diff --git a/apps/future_cons.c b/apps/future_cons.c index 230609e..f075090 100644 --- a/apps/future_cons.c +++ b/apps/future_cons.c @@ -5,9 +5,9 @@ uint future_cons(future *fut) { int status; status = future_get(fut, &i); if (status < 1) { - printf("future_get failed\n"); + // printf("future_get failed\n"); return -1; } - printf("it produced %d\n", i); + printf("it consumed %d\n", i); return OK; } diff --git a/apps/future_prod.c b/apps/future_prod.c index fd82580..51422bb 100644 --- a/apps/future_prod.c +++ b/apps/future_prod.c @@ -6,6 +6,7 @@ uint future_prod(future *fut) { for (i=0; i<1000; i++) { j += i; } + printf("it produced %d",j); future_set(fut, &j); return OK; } diff --git a/compile/xinu b/compile/xinu deleted file mode 100755 index f9dfc00..0000000 Binary files a/compile/xinu and /dev/null differ diff --git a/compile/xinu.bin b/compile/xinu.bin deleted file mode 100755 index 6a5c380..0000000 Binary files a/compile/xinu.bin and /dev/null differ diff --git a/compile/xinu.boot b/compile/xinu.boot deleted file mode 100644 index 523060f..0000000 Binary files a/compile/xinu.boot and /dev/null differ diff --git a/config/Configuration b/config/Configuration index 88c4b57..2a1661c 100644 --- a/config/Configuration +++ b/config/Configuration @@ -1,4 +1,146 @@ /************************************************************************/ +n nothing + -i ionull -o ionull -c ionull + -r ionull -g ionull -p ionull + -w ionull -s ioerr + +/* type of a tty device */ +tty: + on uart + -i ttyinit -o ionull -c ionull + -r ttyread -g ttygetc -p ttyputc + -w ttywrite -s ioerr -n ttycontrol + -intr ttyhandler + +/* type of a ethernet device */ +eth: + on am335x_eth + -i ethinit -o ioerr -c ioerr + -r ethread -g ioerr -p ioerr + -w ethwrite -s ioerr -n ethcontrol + -intr ethhandler + +/* type of a remote disk system device */ +rds: + on udp + -i rdsinit -o rdsopen -c rdsclose + -r rdsread -g ioerr -p ioerr + -w rdswrite -s ioerr -n rdscontrol + -intr ionull + +/* type of ram disk */ +ram: + on mem + -i raminit -o ramopen -c ramclose + -r ramread -g ioerr -p ioerr + -w ramwrite -s ioerr -n ioerr + -intr ionull + +/* type of a remote file system device */ +rfs: + on udp + -i rfsinit -o rfsopen -c ioerr + -r ioerr -g ioerr -p ioerr + -w ioerr -s ioerr -n rfscontrol + -intr ionull + +/* type of a remote file pseudo-device */ +rfl: + on rfs + -i rflinit -o ioerr -c rflclose + -r rflread -g rflgetc -p rflputc + -w rflwrite -s rflseek -n ioerr + -intr ionull + +/* type of a local file system master device */ +lfs: + on ram + -i lfsinit -o lfsopen -c ioerr + -r ioerr -g ioerr -p ioerr + -w ioerr -s ioerr -n ioerr + -intr ionull + +/* type of a local file pseudo-device */ +lfl: + on lfs + -i lflinit -o ioerr -c lflclose + -r lflread -g lflgetc -p lflputc + -w lflwrite -s lflseek -n lflcontrol + -intr ionull + +/* type of namespace device */ +nam: + on top + -i naminit -o namopen -c ioerr + -r ioerr -g ioerr -p ioerr + -w ioerr -s ioerr -n ioerr + -intr ioerr + +%% + +/* Actual device declarations that each give the name of a device that */ +/* will be present in the system */ + + /* Define the console device to be a tty and specify CSR*/ + CONSOLE is tty on uart csr 0x44E09000 -irq 72 + + /* Define a null device */ + NULLDEV is null on nothing + + /* Physical Ethernet (raw packet transfer) */ + ETHER0 is eth on am335x_eth csr 0 -irq 0 + + /* Define a namespace device */ + NAMESPACE is nam on top + + /* Define a remote disk system device */ + RDISK is rds on udp + + /* Define a ram disk device */ + RAM0 is ram on mem + + /* Define the remote file system device */ + + RFILESYS is rfs on udp + + /* Define remote file pseudo-devices */ + + RFILE0 is rfl on rfs + RFILE1 is rfl on rfs + RFILE2 is rfl on rfs + RFILE3 is rfl on rfs + RFILE4 is rfl on rfs + RFILE5 is rfl on rfs + RFILE6 is rfl on rfs + RFILE7 is rfl on rfs + RFILE8 is rfl on rfs + RFILE9 is rfl on rfs + + /* Define the local file system master device (one per system) */ + + LFILESYS is lfs on ram + + /* Define local file pseudo-devices (multiple per system) */ + + LFILE0 is lfl on lfs + LFILE1 is lfl on lfs + LFILE2 is lfl on lfs + LFILE3 is lfl on lfs + LFILE4 is lfl on lfs + LFILE5 is lfl on lfs + +%% + +/* Configuration and Size Constants */ + +#define NPROC 100 /* number of user processes */ +#define NSEM 100 /* number of semaphores */ +#define IRQBASE 32 /* base ivec for IRQ0 */ +#define IRQ_TIMER IRQ_HW5 /* timer IRQ is wired to hardware 5 */ +#define IRQ_ATH_MISC IRQ_HW4 /* Misc. IRQ is wired to hardware 4 */ +#define CLKFREQ 200000000 /* 200 MHz clock */ +#define FS 1 +#define LF_DISK_DEV RAM0 /* */ /* Configuration - Xinu device configuration specification file */ /* */ diff --git a/config/Configuration.arm-bbb b/config/Configuration.arm-bbb index ca914ec..7d60809 100644 --- a/config/Configuration.arm-bbb +++ b/config/Configuration.arm-bbb @@ -159,5 +159,5 @@ nam: #define IRQ_TIMER IRQ_HW5 /* timer IRQ is wired to hardware 5 */ #define IRQ_ATH_MISC IRQ_HW4 /* Misc. IRQ is wired to hardware 4 */ #define CLKFREQ 200000000 /* 200 MHz clock */ - -#define LF_DISK_DEV RAM0 +#define FS 1 +#define LF_DISK_DEV RAM0 diff --git a/config/config b/config/config index f7b4d78..e69de29 100755 Binary files a/config/config and b/config/config differ diff --git a/config/lex.yy.c b/config/lex.yy.c index ec1152a..e69de29 100644 --- a/config/lex.yy.c +++ b/config/lex.yy.c @@ -1,1917 +0,0 @@ - -#line 3 "lex.yy.c" - -#define YY_INT_ALIGNED short int - -/* A lexical scanner generated by flex */ - -#define FLEX_SCANNER -#define YY_FLEX_MAJOR_VERSION 2 -#define YY_FLEX_MINOR_VERSION 5 -#define YY_FLEX_SUBMINOR_VERSION 35 -#if YY_FLEX_SUBMINOR_VERSION > 0 -#define FLEX_BETA -#endif - -/* First, we deal with platform-specific or compiler-specific issues. */ - -/* begin standard C headers. */ -#include -#include -#include -#include - -/* end standard C headers. */ - -/* flex integer type definitions */ - -#ifndef FLEXINT_H -#define FLEXINT_H - -/* C99 systems have . Non-C99 systems may or may not. */ - -#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L - -/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, - * if you want the limit (max/min) macros for int types. - */ -#ifndef __STDC_LIMIT_MACROS -#define __STDC_LIMIT_MACROS 1 -#endif - -#include -typedef int8_t flex_int8_t; -typedef uint8_t flex_uint8_t; -typedef int16_t flex_int16_t; -typedef uint16_t flex_uint16_t; -typedef int32_t flex_int32_t; -typedef uint32_t flex_uint32_t; -#else -typedef signed char flex_int8_t; -typedef short int flex_int16_t; -typedef int flex_int32_t; -typedef unsigned char flex_uint8_t; -typedef unsigned short int flex_uint16_t; -typedef unsigned int flex_uint32_t; - -/* Limits of integral types. */ -#ifndef INT8_MIN -#define INT8_MIN (-128) -#endif -#ifndef INT16_MIN -#define INT16_MIN (-32767-1) -#endif -#ifndef INT32_MIN -#define INT32_MIN (-2147483647-1) -#endif -#ifndef INT8_MAX -#define INT8_MAX (127) -#endif -#ifndef INT16_MAX -#define INT16_MAX (32767) -#endif -#ifndef INT32_MAX -#define INT32_MAX (2147483647) -#endif -#ifndef UINT8_MAX -#define UINT8_MAX (255U) -#endif -#ifndef UINT16_MAX -#define UINT16_MAX (65535U) -#endif -#ifndef UINT32_MAX -#define UINT32_MAX (4294967295U) -#endif - -#endif /* ! C99 */ - -#endif /* ! FLEXINT_H */ - -#ifdef __cplusplus - -/* The "const" storage-class-modifier is valid. */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -/* C99 requires __STDC__ to be defined as 1. */ -#if defined (__STDC__) - -#define YY_USE_CONST - -#endif /* defined (__STDC__) */ -#endif /* ! __cplusplus */ - -#ifdef YY_USE_CONST -#define yyconst const -#else -#define yyconst -#endif - -/* Returned upon end-of-file. */ -#define YY_NULL 0 - -/* Promotes a possibly negative, possibly signed char to an unsigned - * integer for use as an array index. If the signed char is negative, - * we want to instead treat it as an 8-bit unsigned char, hence the - * double cast. - */ -#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) - -/* Enter a start condition. This macro really ought to take a parameter, - * but we do it the disgusting crufty way forced on us by the ()-less - * definition of BEGIN. - */ -#define BEGIN (yy_start) = 1 + 2 * - -/* Translate the current start state into a value that can be later handed - * to BEGIN to return to the state. The YYSTATE alias is for lex - * compatibility. - */ -#define YY_START (((yy_start) - 1) / 2) -#define YYSTATE YY_START - -/* Action number for EOF rule of a given start state. */ -#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) - -/* Special action meaning "start processing a new file". */ -#define YY_NEW_FILE yyrestart(yyin ) - -#define YY_END_OF_BUFFER_CHAR 0 - -/* Size of default input buffer. */ -#ifndef YY_BUF_SIZE -#ifdef __ia64__ -/* On IA-64, the buffer size is 16k, not 8k. - * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. - * Ditto for the __ia64__ case accordingly. - */ -#define YY_BUF_SIZE 32768 -#else -#define YY_BUF_SIZE 16384 -#endif /* __ia64__ */ -#endif - -/* The state buf must be large enough to hold one state per character in the main buffer. - */ -#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) - -#ifndef YY_TYPEDEF_YY_BUFFER_STATE -#define YY_TYPEDEF_YY_BUFFER_STATE -typedef struct yy_buffer_state *YY_BUFFER_STATE; -#endif - -extern int yyleng; - -extern FILE *yyin, *yyout; - -#define EOB_ACT_CONTINUE_SCAN 0 -#define EOB_ACT_END_OF_FILE 1 -#define EOB_ACT_LAST_MATCH 2 - - #define YY_LESS_LINENO(n) - -/* Return all but the first "n" matched characters back to the input stream. */ -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - *yy_cp = (yy_hold_char); \ - YY_RESTORE_YY_MORE_OFFSET \ - (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ - YY_DO_BEFORE_ACTION; /* set up yytext again */ \ - } \ - while ( 0 ) - -#define unput(c) yyunput( c, (yytext_ptr) ) - -#ifndef YY_TYPEDEF_YY_SIZE_T -#define YY_TYPEDEF_YY_SIZE_T -typedef size_t yy_size_t; -#endif - -#ifndef YY_STRUCT_YY_BUFFER_STATE -#define YY_STRUCT_YY_BUFFER_STATE -struct yy_buffer_state - { - FILE *yy_input_file; - - char *yy_ch_buf; /* input buffer */ - char *yy_buf_pos; /* current position in input buffer */ - - /* Size of input buffer in bytes, not including room for EOB - * characters. - */ - yy_size_t yy_buf_size; - - /* Number of characters read into yy_ch_buf, not including EOB - * characters. - */ - int yy_n_chars; - - /* Whether we "own" the buffer - i.e., we know we created it, - * and can realloc() it to grow it, and should free() it to - * delete it. - */ - int yy_is_our_buffer; - - /* Whether this is an "interactive" input source; if so, and - * if we're using stdio for input, then we want to use getc() - * instead of fread(), to make sure we stop fetching input after - * each newline. - */ - int yy_is_interactive; - - /* Whether we're considered to be at the beginning of a line. - * If so, '^' rules will be active on the next match, otherwise - * not. - */ - int yy_at_bol; - - int yy_bs_lineno; /**< The line count. */ - int yy_bs_column; /**< The column count. */ - - /* Whether to try to fill the input buffer when we reach the - * end of it. - */ - int yy_fill_buffer; - - int yy_buffer_status; - -#define YY_BUFFER_NEW 0 -#define YY_BUFFER_NORMAL 1 - /* When an EOF's been seen but there's still some text to process - * then we mark the buffer as YY_EOF_PENDING, to indicate that we - * shouldn't try reading from the input source any more. We might - * still have a bunch of tokens to match, though, because of - * possible backing-up. - * - * When we actually see the EOF, we change the status to "new" - * (via yyrestart()), so that the user can continue scanning by - * just pointing yyin at a new input file. - */ -#define YY_BUFFER_EOF_PENDING 2 - - }; -#endif /* !YY_STRUCT_YY_BUFFER_STATE */ - -/* Stack of input buffers. */ -static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ -static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ -static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ - -/* We provide macros for accessing buffer states in case in the - * future we want to put the buffer states in a more general - * "scanner state". - * - * Returns the top of the stack, or NULL. - */ -#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ - ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ - : NULL) - -/* Same as previous macro, but useful when we know that the buffer stack is not - * NULL or when we need an lvalue. For internal use only. - */ -#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] - -/* yy_hold_char holds the character lost when yytext is formed. */ -static char yy_hold_char; -static int yy_n_chars; /* number of characters read into yy_ch_buf */ -int yyleng; - -/* Points to current character in buffer. */ -static char *yy_c_buf_p = (char *) 0; -static int yy_init = 0; /* whether we need to initialize */ -static int yy_start = 0; /* start state number */ - -/* Flag which is used to allow yywrap()'s to do buffer switches - * instead of setting up a fresh yyin. A bit of a hack ... - */ -static int yy_did_buffer_switch_on_eof; - -void yyrestart (FILE *input_file ); -void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); -YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); -void yy_delete_buffer (YY_BUFFER_STATE b ); -void yy_flush_buffer (YY_BUFFER_STATE b ); -void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); -void yypop_buffer_state (void ); - -static void yyensure_buffer_stack (void ); -static void yy_load_buffer_state (void ); -static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); - -#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) - -YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); -YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); -YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); - -void *yyalloc (yy_size_t ); -void *yyrealloc (void *,yy_size_t ); -void yyfree (void * ); - -#define yy_new_buffer yy_create_buffer - -#define yy_set_interactive(is_interactive) \ - { \ - if ( ! YY_CURRENT_BUFFER ){ \ - yyensure_buffer_stack (); \ - YY_CURRENT_BUFFER_LVALUE = \ - yy_create_buffer(yyin,YY_BUF_SIZE ); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ - } - -#define yy_set_bol(at_bol) \ - { \ - if ( ! YY_CURRENT_BUFFER ){\ - yyensure_buffer_stack (); \ - YY_CURRENT_BUFFER_LVALUE = \ - yy_create_buffer(yyin,YY_BUF_SIZE ); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ - } - -#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) - -/* Begin user sect3 */ - -typedef unsigned char YY_CHAR; - -FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; - -typedef int yy_state_type; - -extern int yylineno; - -int yylineno = 1; - -extern char *yytext; -#define yytext_ptr yytext - -static yy_state_type yy_get_previous_state (void ); -static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); -static int yy_get_next_buffer (void ); -static void yy_fatal_error (yyconst char msg[] ); - -/* Done after the current pattern has been matched and before the - * corresponding action - sets up yytext. - */ -#define YY_DO_BEFORE_ACTION \ - (yytext_ptr) = yy_bp; \ - yyleng = (size_t) (yy_cp - yy_bp); \ - (yy_hold_char) = *yy_cp; \ - *yy_cp = '\0'; \ - (yy_c_buf_p) = yy_cp; - -#define YY_NUM_RULES 27 -#define YY_END_OF_BUFFER 28 -/* This struct is not used in this scanner, - but its presence is necessary. */ -struct yy_trans_info - { - flex_int32_t yy_verify; - flex_int32_t yy_nxt; - }; -static yyconst flex_int16_t yy_accept[60] = - { 0, - 0, 0, 28, 26, 23, 24, 26, 26, 26, 26, - 5, 6, 4, 10, 25, 16, 18, 14, 22, 15, - 19, 17, 21, 20, 23, 3, 2, 16, 18, 14, - 22, 15, 19, 17, 21, 20, 1, 5, 0, 6, - 25, 25, 25, 25, 8, 9, 0, 0, 0, 7, - 12, 25, 13, 12, 0, 13, 11, 11, 0 - } ; - -static yyconst flex_int32_t yy_ec[256] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 2, 1, 1, 1, 1, 4, 1, 1, 1, - 1, 5, 1, 1, 6, 1, 7, 8, 9, 9, - 9, 9, 9, 9, 9, 10, 10, 11, 1, 1, - 12, 1, 1, 1, 13, 13, 13, 13, 13, 13, - 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, - 1, 1, 1, 1, 14, 1, 13, 13, 15, 13, - - 13, 13, 16, 14, 17, 14, 14, 14, 14, 18, - 19, 20, 21, 22, 23, 24, 14, 14, 25, 26, - 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1 - } ; - -static yyconst flex_int32_t yy_meta[27] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, - 1, 1, 2, 3, 2, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3 - } ; - -static yyconst flex_int16_t yy_base[62] = - { 0, - 0, 0, 71, 72, 68, 72, 65, 61, 12, 62, - 30, 32, 72, 72, 0, 43, 0, 25, 0, 47, - 0, 0, 0, 0, 62, 72, 72, 40, 72, 27, - 72, 72, 72, 72, 72, 72, 72, 42, 0, 44, - 0, 40, 37, 39, 0, 0, 37, 31, 25, 0, - 0, 22, 0, 72, 14, 72, 0, 72, 72, 55, - 31 - } ; - -static yyconst flex_int16_t yy_def[62] = - { 0, - 59, 1, 59, 59, 59, 59, 59, 59, 59, 59, - 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, - 60, 60, 60, 60, 59, 59, 59, 59, 59, 59, - 59, 59, 59, 59, 59, 59, 59, 59, 61, 59, - 60, 60, 60, 60, 60, 60, 59, 59, 59, 61, - 60, 60, 60, 59, 59, 59, 60, 59, 0, 59, - 59 - } ; - -static yyconst flex_int16_t yy_nxt[99] = - { 0, - 4, 5, 6, 7, 8, 9, 10, 11, 12, 12, - 13, 14, 15, 15, 16, 17, 18, 19, 20, 21, - 15, 22, 23, 15, 24, 15, 28, 29, 30, 31, - 32, 33, 50, 34, 35, 58, 36, 38, 38, 40, - 40, 40, 43, 57, 48, 56, 44, 45, 49, 38, - 38, 40, 40, 40, 55, 39, 41, 41, 54, 53, - 52, 51, 47, 25, 46, 42, 37, 27, 26, 25, - 59, 3, 59, 59, 59, 59, 59, 59, 59, 59, - 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, - 59, 59, 59, 59, 59, 59, 59, 59 - - } ; - -static yyconst flex_int16_t yy_chk[99] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, - 9, 9, 61, 9, 9, 55, 9, 11, 11, 12, - 12, 12, 18, 52, 30, 49, 18, 18, 30, 38, - 38, 40, 40, 40, 48, 11, 60, 60, 47, 44, - 43, 42, 28, 25, 20, 16, 10, 8, 7, 5, - 3, 59, 59, 59, 59, 59, 59, 59, 59, 59, - 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, - 59, 59, 59, 59, 59, 59, 59, 59 - - } ; - -static yy_state_type yy_last_accepting_state; -static char *yy_last_accepting_cpos; - -extern int yy_flex_debug; -int yy_flex_debug = 0; - -/* The intent behind this definition is that it'll catch - * any uses of REJECT which flex missed. - */ -#define REJECT reject_used_but_not_detected -#define yymore() yymore_used_but_not_detected -#define YY_MORE_ADJ 0 -#define YY_RESTORE_YY_MORE_OFFSET -char *yytext; -#line 1 "config.l" -#line 2 "config.l" -extern int linectr; -extern int brkcount; -int skipping; -#line 501 "lex.yy.c" - -#define INITIAL 0 - -#ifndef YY_NO_UNISTD_H -/* Special case for "unistd.h", since it is non-ANSI. We include it way - * down here because we want the user's section 1 to have been scanned first. - * The user has a chance to override it with an option. - */ -#include -#endif - -#ifndef YY_EXTRA_TYPE -#define YY_EXTRA_TYPE void * -#endif - -static int yy_init_globals (void ); - -/* Accessor methods to globals. - These are made visible to non-reentrant scanners for convenience. */ - -int yylex_destroy (void ); - -int yyget_debug (void ); - -void yyset_debug (int debug_flag ); - -YY_EXTRA_TYPE yyget_extra (void ); - -void yyset_extra (YY_EXTRA_TYPE user_defined ); - -FILE *yyget_in (void ); - -void yyset_in (FILE * in_str ); - -FILE *yyget_out (void ); - -void yyset_out (FILE * out_str ); - -int yyget_leng (void ); - -char *yyget_text (void ); - -int yyget_lineno (void ); - -void yyset_lineno (int line_number ); - -/* Macros after this point can all be overridden by user definitions in - * section 1. - */ - -#ifndef YY_SKIP_YYWRAP -#ifdef __cplusplus -extern "C" int yywrap (void ); -#else -extern int yywrap (void ); -#endif -#endif - - static void yyunput (int c,char *buf_ptr ); - -#ifndef yytext_ptr -static void yy_flex_strncpy (char *,yyconst char *,int ); -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * ); -#endif - -#ifndef YY_NO_INPUT - -#ifdef __cplusplus -static int yyinput (void ); -#else -static int input (void ); -#endif - -#endif - -/* Amount of stuff to slurp up with each read. */ -#ifndef YY_READ_BUF_SIZE -#ifdef __ia64__ -/* On IA-64, the buffer size is 16k, not 8k */ -#define YY_READ_BUF_SIZE 16384 -#else -#define YY_READ_BUF_SIZE 8192 -#endif /* __ia64__ */ -#endif - -/* Copy whatever the last rule matched to the standard output. */ -#ifndef ECHO -/* This used to be an fputs(), but since the string might contain NUL's, - * we now use fwrite(). - */ -#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) -#endif - -/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, - * is returned in "result". - */ -#ifndef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ - { \ - int c = '*'; \ - size_t n; \ - for ( n = 0; n < max_size && \ - (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ - buf[n] = (char) c; \ - if ( c == '\n' ) \ - buf[n++] = (char) c; \ - if ( c == EOF && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - result = n; \ - } \ - else \ - { \ - errno=0; \ - while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ - { \ - if( errno != EINTR) \ - { \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - break; \ - } \ - errno=0; \ - clearerr(yyin); \ - } \ - }\ -\ - -#endif - -/* No semi-colon after return; correct usage is to write "yyterminate();" - - * we don't want an extra ';' after the "return" because that will cause - * some compilers to complain about unreachable statements. - */ -#ifndef yyterminate -#define yyterminate() return YY_NULL -#endif - -/* Number of entries by which start-condition stack grows. */ -#ifndef YY_START_STACK_INCR -#define YY_START_STACK_INCR 25 -#endif - -/* Report a fatal error. */ -#ifndef YY_FATAL_ERROR -#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) -#endif - -/* end tables serialization structures and prototypes */ - -/* Default declaration of generated scanner - a define so the user can - * easily add parameters. - */ -#ifndef YY_DECL -#define YY_DECL_IS_OURS 1 - -extern int yylex (void); - -#define YY_DECL int yylex (void) -#endif /* !YY_DECL */ - -/* Code executed at the beginning of each rule, after yytext and yyleng - * have been set up. - */ -#ifndef YY_USER_ACTION -#define YY_USER_ACTION -#endif - -/* Code executed at the end of each rule. */ -#ifndef YY_BREAK -#define YY_BREAK break; -#endif - -#define YY_RULE_SETUP \ - YY_USER_ACTION - -/** The main scanner function which does all the work. - */ -YY_DECL -{ - register yy_state_type yy_current_state; - register char *yy_cp, *yy_bp; - register int yy_act; - -#line 10 "config.l" - -#line 690 "lex.yy.c" - - if ( !(yy_init) ) - { - (yy_init) = 1; - -#ifdef YY_USER_INIT - YY_USER_INIT; -#endif - - if ( ! (yy_start) ) - (yy_start) = 1; /* first start state */ - - if ( ! yyin ) - yyin = stdin; - - if ( ! yyout ) - yyout = stdout; - - if ( ! YY_CURRENT_BUFFER ) { - yyensure_buffer_stack (); - YY_CURRENT_BUFFER_LVALUE = - yy_create_buffer(yyin,YY_BUF_SIZE ); - } - - yy_load_buffer_state( ); - } - - while ( 1 ) /* loops until end-of-file is reached */ - { - yy_cp = (yy_c_buf_p); - - /* Support of yytext. */ - *yy_cp = (yy_hold_char); - - /* yy_bp points to the position in yy_ch_buf of the start of - * the current run. - */ - yy_bp = yy_cp; - - yy_current_state = (yy_start); -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 60 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - ++yy_cp; - } - while ( yy_base[yy_current_state] != 72 ); - -yy_find_action: - yy_act = yy_accept[yy_current_state]; - if ( yy_act == 0 ) - { /* have to back up */ - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - yy_act = yy_accept[yy_current_state]; - } - - YY_DO_BEFORE_ACTION; - -do_action: /* This label is used only to access EOF actions. */ - - switch ( yy_act ) - { /* beginning of action switch */ - case 0: /* must back up */ - /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = (yy_hold_char); - yy_cp = (yy_last_accepting_cpos); - yy_current_state = (yy_last_accepting_state); - goto yy_find_action; - -case 1: -YY_RULE_SETUP -#line 11 "config.l" -{ skipping = 1; } - YY_BREAK -case 2: -YY_RULE_SETUP -#line 12 "config.l" -{ skipping = 0; } - YY_BREAK -case 3: -YY_RULE_SETUP -#line 13 "config.l" -{ if (! skipping) - if (++brkcount == 2) - { return 0; /* EOF */ } - else - { return DEFBRK; } } - YY_BREAK -case 4: -YY_RULE_SETUP -#line 18 "config.l" -{ if (! skipping) return COLON; } - YY_BREAK -case 5: -YY_RULE_SETUP -#line 19 "config.l" -{ if (! skipping) return INTEGER; } - YY_BREAK -case 6: -YY_RULE_SETUP -#line 20 "config.l" -{ if (! skipping) return INTEGER; } - YY_BREAK -case 7: -YY_RULE_SETUP -#line 21 "config.l" -{ if (! skipping) return INTEGER; } - YY_BREAK -case 8: -YY_RULE_SETUP -#line 22 "config.l" -{ if (! skipping) return IS; } - YY_BREAK -case 9: -YY_RULE_SETUP -#line 23 "config.l" -{ if (! skipping) return ON; } - YY_BREAK -case 10: -YY_RULE_SETUP -#line 24 "config.l" -; - YY_BREAK -case 11: -YY_RULE_SETUP -#line 25 "config.l" -{ if (! skipping) return INTR; } - YY_BREAK -case 12: -YY_RULE_SETUP -#line 26 "config.l" -{ if (! skipping) return CSR; } - YY_BREAK -case 13: -YY_RULE_SETUP -#line 27 "config.l" -{ if (! skipping) return IRQ; } - YY_BREAK -case 14: -YY_RULE_SETUP -#line 28 "config.l" -{ if (! skipping) return INIT; } - YY_BREAK -case 15: -YY_RULE_SETUP -#line 29 "config.l" -{ if (! skipping) return OPEN; } - YY_BREAK -case 16: -YY_RULE_SETUP -#line 30 "config.l" -{ if (! skipping) return CLOSE; } - YY_BREAK -case 17: -YY_RULE_SETUP -#line 31 "config.l" -{ if (! skipping) return READ; } - YY_BREAK -case 18: -YY_RULE_SETUP -#line 32 "config.l" -{ if (! skipping) return GETC; } - YY_BREAK -case 19: -YY_RULE_SETUP -#line 33 "config.l" -{ if (! skipping) return PUTC; } - YY_BREAK -case 20: -YY_RULE_SETUP -#line 34 "config.l" -{ if (! skipping) return WRITE; } - YY_BREAK -case 21: -YY_RULE_SETUP -#line 35 "config.l" -{ if (! skipping) return SEEK; } - YY_BREAK -case 22: -YY_RULE_SETUP -#line 36 "config.l" -{ if (! skipping) return CONTROL; } - YY_BREAK -case 23: -YY_RULE_SETUP -#line 37 "config.l" -; - YY_BREAK -case 24: -/* rule 24 can match eol */ -YY_RULE_SETUP -#line 38 "config.l" -{ linectr++; } - YY_BREAK -case 25: -YY_RULE_SETUP -#line 39 "config.l" -{ if (! skipping) return IDENT; } - YY_BREAK -case 26: -YY_RULE_SETUP -#line 40 "config.l" -{ if (! skipping) return yytext[0]; } - YY_BREAK -case 27: -YY_RULE_SETUP -#line 42 "config.l" -ECHO; - YY_BREAK -#line 913 "lex.yy.c" -case YY_STATE_EOF(INITIAL): - yyterminate(); - - case YY_END_OF_BUFFER: - { - /* Amount of text matched not including the EOB char. */ - int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; - - /* Undo the effects of YY_DO_BEFORE_ACTION. */ - *yy_cp = (yy_hold_char); - YY_RESTORE_YY_MORE_OFFSET - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) - { - /* We're scanning a new file or input source. It's - * possible that this happened because the user - * just pointed yyin at a new source and called - * yylex(). If so, then we have to assure - * consistency between YY_CURRENT_BUFFER and our - * globals. Here is the right place to do so, because - * this is the first action (other than possibly a - * back-up) that will match for the new input source. - */ - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; - } - - /* Note that here we test for yy_c_buf_p "<=" to the position - * of the first EOB in the buffer, since yy_c_buf_p will - * already have been incremented past the NUL character - * (since all states make transitions on EOB to the - * end-of-buffer state). Contrast this with the test - * in input(). - */ - if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) - { /* This was really a NUL. */ - yy_state_type yy_next_state; - - (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( ); - - /* Okay, we're now positioned to make the NUL - * transition. We couldn't have - * yy_get_previous_state() go ahead and do it - * for us because it doesn't know how to deal - * with the possibility of jamming (and we don't - * want to build jamming into it because then it - * will run more slowly). - */ - - yy_next_state = yy_try_NUL_trans( yy_current_state ); - - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - - if ( yy_next_state ) - { - /* Consume the NUL. */ - yy_cp = ++(yy_c_buf_p); - yy_current_state = yy_next_state; - goto yy_match; - } - - else - { - yy_cp = (yy_c_buf_p); - goto yy_find_action; - } - } - - else switch ( yy_get_next_buffer( ) ) - { - case EOB_ACT_END_OF_FILE: - { - (yy_did_buffer_switch_on_eof) = 0; - - if ( yywrap( ) ) - { - /* Note: because we've taken care in - * yy_get_next_buffer() to have set up - * yytext, we can now set up - * yy_c_buf_p so that if some total - * hoser (like flex itself) wants to - * call the scanner after we return the - * YY_NULL, it'll still work - another - * YY_NULL will get returned. - */ - (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; - - yy_act = YY_STATE_EOF(YY_START); - goto do_action; - } - - else - { - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; - } - break; - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = - (yytext_ptr) + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - goto yy_match; - - case EOB_ACT_LAST_MATCH: - (yy_c_buf_p) = - &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; - - yy_current_state = yy_get_previous_state( ); - - yy_cp = (yy_c_buf_p); - yy_bp = (yytext_ptr) + YY_MORE_ADJ; - goto yy_find_action; - } - break; - } - - default: - YY_FATAL_ERROR( - "fatal flex scanner internal error--no action found" ); - } /* end of action switch */ - } /* end of scanning one token */ -} /* end of yylex */ - -/* yy_get_next_buffer - try to read in a new buffer - * - * Returns a code representing an action: - * EOB_ACT_LAST_MATCH - - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position - * EOB_ACT_END_OF_FILE - end of file - */ -static int yy_get_next_buffer (void) -{ - register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; - register char *source = (yytext_ptr); - register int number_to_move, i; - int ret_val; - - if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) - YY_FATAL_ERROR( - "fatal flex scanner internal error--end of buffer missed" ); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) - { /* Don't try to fill the buffer, so this is an EOF. */ - if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) - { - /* We matched a single character, the EOB, so - * treat this as a final EOF. - */ - return EOB_ACT_END_OF_FILE; - } - - else - { - /* We matched some text prior to the EOB, first - * process it. - */ - return EOB_ACT_LAST_MATCH; - } - } - - /* Try to read more data. */ - - /* First move last chars to start of buffer. */ - number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; - - for ( i = 0; i < number_to_move; ++i ) - *(dest++) = *(source++); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) - /* don't do the read, it's not guaranteed to return an EOF, - * just force an EOF - */ - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; - - else - { - int num_to_read = - YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; - - while ( num_to_read <= 0 ) - { /* Not enough room in the buffer - grow it. */ - - /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = YY_CURRENT_BUFFER; - - int yy_c_buf_p_offset = - (int) ((yy_c_buf_p) - b->yy_ch_buf); - - if ( b->yy_is_our_buffer ) - { - int new_size = b->yy_buf_size * 2; - - if ( new_size <= 0 ) - b->yy_buf_size += b->yy_buf_size / 8; - else - b->yy_buf_size *= 2; - - b->yy_ch_buf = (char *) - /* Include room in for 2 EOB chars. */ - yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); - } - else - /* Can't grow it, we don't own it. */ - b->yy_ch_buf = 0; - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( - "fatal error - scanner input buffer overflow" ); - - (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; - - num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - - number_to_move - 1; - - } - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - /* Read in more data. */ - YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), - (yy_n_chars), (size_t) num_to_read ); - - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - if ( (yy_n_chars) == 0 ) - { - if ( number_to_move == YY_MORE_ADJ ) - { - ret_val = EOB_ACT_END_OF_FILE; - yyrestart(yyin ); - } - - else - { - ret_val = EOB_ACT_LAST_MATCH; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = - YY_BUFFER_EOF_PENDING; - } - } - - else - ret_val = EOB_ACT_CONTINUE_SCAN; - - if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { - /* Extend the array by 50%, plus the number we really need. */ - yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); - if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); - } - - (yy_n_chars) += number_to_move; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; - - (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; - - return ret_val; -} - -/* yy_get_previous_state - get the state just before the EOB char was reached */ - - static yy_state_type yy_get_previous_state (void) -{ - register yy_state_type yy_current_state; - register char *yy_cp; - - yy_current_state = (yy_start); - - for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) - { - register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 60 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - } - - return yy_current_state; -} - -/* yy_try_NUL_trans - try to make a transition on the NUL character - * - * synopsis - * next_state = yy_try_NUL_trans( current_state ); - */ - static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) -{ - register int yy_is_jam; - register char *yy_cp = (yy_c_buf_p); - - register YY_CHAR yy_c = 1; - if ( yy_accept[yy_current_state] ) - { - (yy_last_accepting_state) = yy_current_state; - (yy_last_accepting_cpos) = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 60 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 59); - - return yy_is_jam ? 0 : yy_current_state; -} - - static void yyunput (int c, register char * yy_bp ) -{ - register char *yy_cp; - - yy_cp = (yy_c_buf_p); - - /* undo effects of setting up yytext */ - *yy_cp = (yy_hold_char); - - if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) - { /* need to shift things up to make room */ - /* +2 for EOB chars. */ - register int number_to_move = (yy_n_chars) + 2; - register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ - YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; - register char *source = - &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; - - while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) - *--dest = *--source; - - yy_cp += (int) (dest - source); - yy_bp += (int) (dest - source); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; - - if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) - YY_FATAL_ERROR( "flex scanner push-back overflow" ); - } - - *--yy_cp = (char) c; - - (yytext_ptr) = yy_bp; - (yy_hold_char) = *yy_cp; - (yy_c_buf_p) = yy_cp; -} - -#ifndef YY_NO_INPUT -#ifdef __cplusplus - static int yyinput (void) -#else - static int input (void) -#endif - -{ - int c; - - *(yy_c_buf_p) = (yy_hold_char); - - if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) - { - /* yy_c_buf_p now points to the character we want to return. - * If this occurs *before* the EOB characters, then it's a - * valid NUL; if not, then we've hit the end of the buffer. - */ - if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) - /* This was really a NUL. */ - *(yy_c_buf_p) = '\0'; - - else - { /* need more input */ - int offset = (yy_c_buf_p) - (yytext_ptr); - ++(yy_c_buf_p); - - switch ( yy_get_next_buffer( ) ) - { - case EOB_ACT_LAST_MATCH: - /* This happens because yy_g_n_b() - * sees that we've accumulated a - * token and flags that we need to - * try matching the token before - * proceeding. But for input(), - * there's no matching to consider. - * So convert the EOB_ACT_LAST_MATCH - * to EOB_ACT_END_OF_FILE. - */ - - /* Reset buffer status. */ - yyrestart(yyin ); - - /*FALLTHROUGH*/ - - case EOB_ACT_END_OF_FILE: - { - if ( yywrap( ) ) - return EOF; - - if ( ! (yy_did_buffer_switch_on_eof) ) - YY_NEW_FILE; -#ifdef __cplusplus - return yyinput(); -#else - return input(); -#endif - } - - case EOB_ACT_CONTINUE_SCAN: - (yy_c_buf_p) = (yytext_ptr) + offset; - break; - } - } - } - - c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ - *(yy_c_buf_p) = '\0'; /* preserve yytext */ - (yy_hold_char) = *++(yy_c_buf_p); - - return c; -} -#endif /* ifndef YY_NO_INPUT */ - -/** Immediately switch to a different input stream. - * @param input_file A readable stream. - * - * @note This function does not reset the start condition to @c INITIAL . - */ - void yyrestart (FILE * input_file ) -{ - - if ( ! YY_CURRENT_BUFFER ){ - yyensure_buffer_stack (); - YY_CURRENT_BUFFER_LVALUE = - yy_create_buffer(yyin,YY_BUF_SIZE ); - } - - yy_init_buffer(YY_CURRENT_BUFFER,input_file ); - yy_load_buffer_state( ); -} - -/** Switch to a different input buffer. - * @param new_buffer The new input buffer. - * - */ - void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) -{ - - /* TODO. We should be able to replace this entire function body - * with - * yypop_buffer_state(); - * yypush_buffer_state(new_buffer); - */ - yyensure_buffer_stack (); - if ( YY_CURRENT_BUFFER == new_buffer ) - return; - - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *(yy_c_buf_p) = (yy_hold_char); - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - YY_CURRENT_BUFFER_LVALUE = new_buffer; - yy_load_buffer_state( ); - - /* We don't actually know whether we did this switch during - * EOF (yywrap()) processing, but the only time this flag - * is looked at is after yywrap() is called, so it's safe - * to go ahead and always set it. - */ - (yy_did_buffer_switch_on_eof) = 1; -} - -static void yy_load_buffer_state (void) -{ - (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; - yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; - (yy_hold_char) = *(yy_c_buf_p); -} - -/** Allocate and initialize an input buffer state. - * @param file A readable stream. - * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. - * - * @return the allocated buffer state. - */ - YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) -{ - YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); - - b->yy_buf_size = size; - - /* yy_ch_buf has to be 2 characters longer than the size given because - * we need to put in 2 end-of-buffer characters. - */ - b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); - - b->yy_is_our_buffer = 1; - - yy_init_buffer(b,file ); - - return b; -} - -/** Destroy the buffer. - * @param b a buffer created with yy_create_buffer() - * - */ - void yy_delete_buffer (YY_BUFFER_STATE b ) -{ - - if ( ! b ) - return; - - if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ - YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; - - if ( b->yy_is_our_buffer ) - yyfree((void *) b->yy_ch_buf ); - - yyfree((void *) b ); -} - -#ifndef __cplusplus -extern int isatty (int ); -#endif /* __cplusplus */ - -/* Initializes or reinitializes a buffer. - * This function is sometimes called more than once on the same buffer, - * such as during a yyrestart() or at EOF. - */ - static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) - -{ - int oerrno = errno; - - yy_flush_buffer(b ); - - b->yy_input_file = file; - b->yy_fill_buffer = 1; - - /* If b is the current buffer, then yy_init_buffer was _probably_ - * called from yyrestart() or through yy_get_next_buffer. - * In that case, we don't want to reset the lineno or column. - */ - if (b != YY_CURRENT_BUFFER){ - b->yy_bs_lineno = 1; - b->yy_bs_column = 0; - } - - b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; - - errno = oerrno; -} - -/** Discard all buffered characters. On the next scan, YY_INPUT will be called. - * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. - * - */ - void yy_flush_buffer (YY_BUFFER_STATE b ) -{ - if ( ! b ) - return; - - b->yy_n_chars = 0; - - /* We always need two end-of-buffer characters. The first causes - * a transition to the end-of-buffer state. The second causes - * a jam in that state. - */ - b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; - b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; - - b->yy_buf_pos = &b->yy_ch_buf[0]; - - b->yy_at_bol = 1; - b->yy_buffer_status = YY_BUFFER_NEW; - - if ( b == YY_CURRENT_BUFFER ) - yy_load_buffer_state( ); -} - -/** Pushes the new state onto the stack. The new state becomes - * the current state. This function will allocate the stack - * if necessary. - * @param new_buffer The new state. - * - */ -void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) -{ - if (new_buffer == NULL) - return; - - yyensure_buffer_stack(); - - /* This block is copied from yy_switch_to_buffer. */ - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *(yy_c_buf_p) = (yy_hold_char); - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); - } - - /* Only push if top exists. Otherwise, replace top. */ - if (YY_CURRENT_BUFFER) - (yy_buffer_stack_top)++; - YY_CURRENT_BUFFER_LVALUE = new_buffer; - - /* copied from yy_switch_to_buffer. */ - yy_load_buffer_state( ); - (yy_did_buffer_switch_on_eof) = 1; -} - -/** Removes and deletes the top of the stack, if present. - * The next element becomes the new top. - * - */ -void yypop_buffer_state (void) -{ - if (!YY_CURRENT_BUFFER) - return; - - yy_delete_buffer(YY_CURRENT_BUFFER ); - YY_CURRENT_BUFFER_LVALUE = NULL; - if ((yy_buffer_stack_top) > 0) - --(yy_buffer_stack_top); - - if (YY_CURRENT_BUFFER) { - yy_load_buffer_state( ); - (yy_did_buffer_switch_on_eof) = 1; - } -} - -/* Allocates the stack if it does not exist. - * Guarantees space for at least one push. - */ -static void yyensure_buffer_stack (void) -{ - int num_to_alloc; - - if (!(yy_buffer_stack)) { - - /* First allocation is just for 2 elements, since we don't know if this - * scanner will even need a stack. We use 2 instead of 1 to avoid an - * immediate realloc on the next call. - */ - num_to_alloc = 1; - (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc - (num_to_alloc * sizeof(struct yy_buffer_state*) - ); - if ( ! (yy_buffer_stack) ) - YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); - - memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); - - (yy_buffer_stack_max) = num_to_alloc; - (yy_buffer_stack_top) = 0; - return; - } - - if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ - - /* Increase the buffer to prepare for a possible push. */ - int grow_size = 8 /* arbitrary grow size */; - - num_to_alloc = (yy_buffer_stack_max) + grow_size; - (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc - ((yy_buffer_stack), - num_to_alloc * sizeof(struct yy_buffer_state*) - ); - if ( ! (yy_buffer_stack) ) - YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); - - /* zero only the new slots.*/ - memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); - (yy_buffer_stack_max) = num_to_alloc; - } -} - -/** Setup the input buffer state to scan directly from a user-specified character buffer. - * @param base the character buffer - * @param size the size in bytes of the character buffer - * - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) -{ - YY_BUFFER_STATE b; - - if ( size < 2 || - base[size-2] != YY_END_OF_BUFFER_CHAR || - base[size-1] != YY_END_OF_BUFFER_CHAR ) - /* They forgot to leave room for the EOB's. */ - return 0; - - b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); - - b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ - b->yy_buf_pos = b->yy_ch_buf = base; - b->yy_is_our_buffer = 0; - b->yy_input_file = 0; - b->yy_n_chars = b->yy_buf_size; - b->yy_is_interactive = 0; - b->yy_at_bol = 1; - b->yy_fill_buffer = 0; - b->yy_buffer_status = YY_BUFFER_NEW; - - yy_switch_to_buffer(b ); - - return b; -} - -/** Setup the input buffer state to scan a string. The next call to yylex() will - * scan from a @e copy of @a str. - * @param yystr a NUL-terminated string to scan - * - * @return the newly allocated buffer state object. - * @note If you want to scan bytes that may contain NUL values, then use - * yy_scan_bytes() instead. - */ -YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) -{ - - return yy_scan_bytes(yystr,strlen(yystr) ); -} - -/** Setup the input buffer state to scan the given bytes. The next call to yylex() will - * scan from a @e copy of @a bytes. - * @param yybytes the byte buffer to scan - * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. - * - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) -{ - YY_BUFFER_STATE b; - char *buf; - yy_size_t n; - int i; - - /* Get memory for full buffer, including space for trailing EOB's. */ - n = _yybytes_len + 2; - buf = (char *) yyalloc(n ); - if ( ! buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); - - for ( i = 0; i < _yybytes_len; ++i ) - buf[i] = yybytes[i]; - - buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; - - b = yy_scan_buffer(buf,n ); - if ( ! b ) - YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); - - /* It's okay to grow etc. this buffer, and we should throw it - * away when we're done. - */ - b->yy_is_our_buffer = 1; - - return b; -} - -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif - -static void yy_fatal_error (yyconst char* msg ) -{ - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); -} - -/* Redefine yyless() so it works in section 3 code. */ - -#undef yyless -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - yytext[yyleng] = (yy_hold_char); \ - (yy_c_buf_p) = yytext + yyless_macro_arg; \ - (yy_hold_char) = *(yy_c_buf_p); \ - *(yy_c_buf_p) = '\0'; \ - yyleng = yyless_macro_arg; \ - } \ - while ( 0 ) - -/* Accessor methods (get/set functions) to struct members. */ - -/** Get the current line number. - * - */ -int yyget_lineno (void) -{ - - return yylineno; -} - -/** Get the input stream. - * - */ -FILE *yyget_in (void) -{ - return yyin; -} - -/** Get the output stream. - * - */ -FILE *yyget_out (void) -{ - return yyout; -} - -/** Get the length of the current token. - * - */ -int yyget_leng (void) -{ - return yyleng; -} - -/** Get the current token. - * - */ - -char *yyget_text (void) -{ - return yytext; -} - -/** Set the current line number. - * @param line_number - * - */ -void yyset_lineno (int line_number ) -{ - - yylineno = line_number; -} - -/** Set the input stream. This does not discard the current - * input buffer. - * @param in_str A readable stream. - * - * @see yy_switch_to_buffer - */ -void yyset_in (FILE * in_str ) -{ - yyin = in_str ; -} - -void yyset_out (FILE * out_str ) -{ - yyout = out_str ; -} - -int yyget_debug (void) -{ - return yy_flex_debug; -} - -void yyset_debug (int bdebug ) -{ - yy_flex_debug = bdebug ; -} - -static int yy_init_globals (void) -{ - /* Initialization is the same as for the non-reentrant scanner. - * This function is called from yylex_destroy(), so don't allocate here. - */ - - (yy_buffer_stack) = 0; - (yy_buffer_stack_top) = 0; - (yy_buffer_stack_max) = 0; - (yy_c_buf_p) = (char *) 0; - (yy_init) = 0; - (yy_start) = 0; - -/* Defined in main.c */ -#ifdef YY_STDINIT - yyin = stdin; - yyout = stdout; -#else - yyin = (FILE *) 0; - yyout = (FILE *) 0; -#endif - - /* For future reference: Set errno on error, since we are called by - * yylex_init() - */ - return 0; -} - -/* yylex_destroy is for both reentrant and non-reentrant scanners. */ -int yylex_destroy (void) -{ - - /* Pop the buffer stack, destroying each element. */ - while(YY_CURRENT_BUFFER){ - yy_delete_buffer(YY_CURRENT_BUFFER ); - YY_CURRENT_BUFFER_LVALUE = NULL; - yypop_buffer_state(); - } - - /* Destroy the stack itself. */ - yyfree((yy_buffer_stack) ); - (yy_buffer_stack) = NULL; - - /* Reset the globals. This is important in a non-reentrant scanner so the next time - * yylex() is called, initialization will occur. */ - yy_init_globals( ); - - return 0; -} - -/* - * Internal utility routines. - */ - -#ifndef yytext_ptr -static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) -{ - register int i; - for ( i = 0; i < n; ++i ) - s1[i] = s2[i]; -} -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * s ) -{ - register int n; - for ( n = 0; s[n]; ++n ) - ; - - return n; -} -#endif - -void *yyalloc (yy_size_t size ) -{ - return (void *) malloc( size ); -} - -void *yyrealloc (void * ptr, yy_size_t size ) -{ - /* The cast to (char *) in the following accommodates both - * implementations that use char* generic pointers, and those - * that use void* generic pointers. It works with the latter - * because both ANSI C and C++ allow castless assignment from - * any pointer type to void*, and deal with argument conversions - * as though doing an assignment. - */ - return (void *) realloc( (char *) ptr, size ); -} - -void yyfree (void * ptr ) -{ - free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ -} - -#define YYTABLES_NAME "yytables" - -#line 42 "config.l" - - - -int wrapped_input(void) { - return input(); -} - diff --git a/config/y.tab.c b/config/y.tab.c index 32a0936..e69de29 100644 --- a/config/y.tab.c +++ b/config/y.tab.c @@ -1,2169 +0,0 @@ -/* A Bison parser, made by GNU Bison 3.0.2. */ - -/* Bison implementation for Yacc-like parsers in C - - Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . */ - -/* As a special exception, you may create a larger work that contains - part or all of the Bison parser skeleton and distribute that work - under terms of your choice, so long as that work isn't itself a - parser generator using the skeleton or a modified version thereof - as a parser skeleton. Alternatively, if you modify or redistribute - the parser skeleton itself, you may (at your option) remove this - special exception, which will cause the skeleton and the resulting - Bison output files to be licensed under the GNU General Public - License without this special exception. - - This special exception was added by the Free Software Foundation in - version 2.2 of Bison. */ - -/* C LALR(1) parser skeleton written by Richard Stallman, by - simplifying the original so-called "semantic" parser. */ - -/* All symbols defined below should begin with yy or YY, to avoid - infringing on user name space. This should be done even for local - variables, as they might otherwise be expanded by user macros. - There are some unavoidable exceptions within include files to - define necessary library symbols; they are noted "INFRINGES ON - USER NAME SPACE" below. */ - -/* Identify Bison output. */ -#define YYBISON 1 - -/* Bison version. */ -#define YYBISON_VERSION "3.0.2" - -/* Skeleton name. */ -#define YYSKELETON_NAME "yacc.c" - -/* Pure parsers. */ -#define YYPURE 0 - -/* Push parsers. */ -#define YYPUSH 0 - -/* Pull parsers. */ -#define YYPULL 1 - - - - -/* Copy the first part of user declarations. */ -#line 5 "config.y" /* yacc.c:339 */ - -#include -#include -#include -#include - -extern char *yytext; -/* - Workaround for type conflict resulting from unmatched versions of flex and - bison (lex and yacc). Force new-style flex output (lex.yy.c) to treat - yyleng as an int (as done by oldest lex versions) instead of a size_t, by - overriding new flex's yy_size_t typedef. -*/ -#ifndef YY_TYPEDEF_YY_SIZE_T -#define YY_TYPEDEF_YY_SIZE_T -typedef int yy_size_t; -#endif -/* end workaround */ -extern int yyleng; - -#define NIL (struct dev_ent *)0x00 - -#define CONFIGC "conf.c" /* name of .c output */ -#define CONFIGH "conf.h" /* name of .h output */ -#define CONFHREF "" /* how conf.h referenced */ -#define CONFIGIN "Configuration" /* name of input file */ -#define CONFMAXNM 24 /* max length of strings */ - -FILE *confc; -FILE *confh; - -char *dbstr; -int ndevs = 0; -int currname = -1; -int currtname = -1; -int currdname = -1; -int brkcount = 0; - -struct sym_ent { /* symbol table */ - char *name; - int occurs; -} symtab[250]; - -int nsym = 0; -int linectr = 1; - -char *doing = "device type declaration"; -char *s; - -struct dev_ent -{ - char *name; /* device name (not used in types) */ - char *tname; /* type name */ - int tnum; /* symbol table index of type */ - char *device; /* device name */ - int csr; /* Control Status Register addr */ - int irq; /* interrupt request */ - char intr[CONFMAXNM]; /* interrupt routine */ - char init[CONFMAXNM]; /* init routine name */ - char open[CONFMAXNM]; /* open routine name */ - char close[CONFMAXNM]; /* close routine name */ - char read[CONFMAXNM]; /* read routine name */ - char write[CONFMAXNM]; /* write routine name */ - char control[CONFMAXNM]; /* control routine name */ - char seek[CONFMAXNM]; /* seek routine name */ - char getc[CONFMAXNM]; /* getc routine name */ - char putc[CONFMAXNM]; /* putc routine name */ - int minor; /* minor device number 0,1,... */ - struct dev_ent *next; /* next node on the list */ -}; - -struct dev_ent *ftypes = NIL; /* linked list of device types */ -struct dev_ent *devs = NIL; /* linked list of device decls. */ -struct dev_ent *lastdv = NIL; -struct dev_ent *currtype = NIL; - -char *devstab[] = -{ - "/* Device table entry */", - "struct\tdentry\t{", - "\tint32 dvnum;", - "\tint32 dvminor;", - "\tchar *dvname;", - "\tdevcall (*dvinit) (struct dentry *);", - "\tdevcall (*dvopen) (struct dentry *, char *, char *);", - "\tdevcall (*dvclose)(struct dentry *);", - "\tdevcall (*dvread) (struct dentry *, void *, uint32);", - "\tdevcall (*dvwrite)(struct dentry *, void *, uint32);", - "\tdevcall (*dvseek) (struct dentry *, int32);", - "\tdevcall (*dvgetc) (struct dentry *);", - "\tdevcall (*dvputc) (struct dentry *, char);", - "\tdevcall (*dvcntl) (struct dentry *, int32, int32, int32);", - "\tvoid *dvcsr;", - "\tvoid (*dvintr)(void);", - "\tbyte dvirq;", - "};\n", - "extern struct dentry devtab[]; /* one entry per device */", - NULL -}; - -/* Prototypes */ -void yyerror(char *s); -int lookup(char *str, int len); -int config_atoi(char *p, int len); -void newattr(int tok, int val); -int cktname(int symid); -void mktype(int deviceid); -void initattr(struct dev_ent *fstr, int tnum, int deviceid); -void mkdev(int nameid, int typid, int deviceid); -int ckdname(int devid); - - -#line 179 "y.tab.c" /* yacc.c:339 */ - -# ifndef YY_NULLPTR -# if defined __cplusplus && 201103L <= __cplusplus -# define YY_NULLPTR nullptr -# else -# define YY_NULLPTR 0 -# endif -# endif - -/* Enabling verbose error messages. */ -#ifdef YYERROR_VERBOSE -# undef YYERROR_VERBOSE -# define YYERROR_VERBOSE 1 -#else -# define YYERROR_VERBOSE 0 -#endif - - -/* Debug traces. */ -#ifndef YYDEBUG -# define YYDEBUG 0 -#endif -#if YYDEBUG -extern int yydebug; -#endif - -/* Token type. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - enum yytokentype - { - DEFBRK = 258, - COLON = 259, - OCTAL = 260, - INTEGER = 261, - IDENT = 262, - CSR = 263, - IRQ = 264, - INTR = 265, - INIT = 266, - OPEN = 267, - CLOSE = 268, - READ = 269, - WRITE = 270, - SEEK = 271, - CONTROL = 272, - IS = 273, - ON = 274, - GETC = 275, - PUTC = 276 - }; -#endif -/* Tokens. */ -#define DEFBRK 258 -#define COLON 259 -#define OCTAL 260 -#define INTEGER 261 -#define IDENT 262 -#define CSR 263 -#define IRQ 264 -#define INTR 265 -#define INIT 266 -#define OPEN 267 -#define CLOSE 268 -#define READ 269 -#define WRITE 270 -#define SEEK 271 -#define CONTROL 272 -#define IS 273 -#define ON 274 -#define GETC 275 -#define PUTC 276 - -/* Value type. */ -#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED -typedef int YYSTYPE; -# define YYSTYPE_IS_TRIVIAL 1 -# define YYSTYPE_IS_DECLARED 1 -#endif - - -extern YYSTYPE yylval; - -int yyparse (void); - - - -/* Copy the second part of user declarations. */ - -#line 269 "y.tab.c" /* yacc.c:358 */ - -#ifdef short -# undef short -#endif - -#ifdef YYTYPE_UINT8 -typedef YYTYPE_UINT8 yytype_uint8; -#else -typedef unsigned char yytype_uint8; -#endif - -#ifdef YYTYPE_INT8 -typedef YYTYPE_INT8 yytype_int8; -#else -typedef signed char yytype_int8; -#endif - -#ifdef YYTYPE_UINT16 -typedef YYTYPE_UINT16 yytype_uint16; -#else -typedef unsigned short int yytype_uint16; -#endif - -#ifdef YYTYPE_INT16 -typedef YYTYPE_INT16 yytype_int16; -#else -typedef short int yytype_int16; -#endif - -#ifndef YYSIZE_T -# ifdef __SIZE_TYPE__ -# define YYSIZE_T __SIZE_TYPE__ -# elif defined size_t -# define YYSIZE_T size_t -# elif ! defined YYSIZE_T -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# else -# define YYSIZE_T unsigned int -# endif -#endif - -#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) - -#ifndef YY_ -# if defined YYENABLE_NLS && YYENABLE_NLS -# if ENABLE_NLS -# include /* INFRINGES ON USER NAME SPACE */ -# define YY_(Msgid) dgettext ("bison-runtime", Msgid) -# endif -# endif -# ifndef YY_ -# define YY_(Msgid) Msgid -# endif -#endif - -#ifndef YY_ATTRIBUTE -# if (defined __GNUC__ \ - && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \ - || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C -# define YY_ATTRIBUTE(Spec) __attribute__(Spec) -# else -# define YY_ATTRIBUTE(Spec) /* empty */ -# endif -#endif - -#ifndef YY_ATTRIBUTE_PURE -# define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__)) -#endif - -#ifndef YY_ATTRIBUTE_UNUSED -# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__)) -#endif - -#if !defined _Noreturn \ - && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112) -# if defined _MSC_VER && 1200 <= _MSC_VER -# define _Noreturn __declspec (noreturn) -# else -# define _Noreturn YY_ATTRIBUTE ((__noreturn__)) -# endif -#endif - -/* Suppress unused-variable warnings by "using" E. */ -#if ! defined lint || defined __GNUC__ -# define YYUSE(E) ((void) (E)) -#else -# define YYUSE(E) /* empty */ -#endif - -#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ -/* Suppress an incorrect diagnostic about yylval being uninitialized. */ -# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ - _Pragma ("GCC diagnostic push") \ - _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\ - _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") -# define YY_IGNORE_MAYBE_UNINITIALIZED_END \ - _Pragma ("GCC diagnostic pop") -#else -# define YY_INITIAL_VALUE(Value) Value -#endif -#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN -# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN -# define YY_IGNORE_MAYBE_UNINITIALIZED_END -#endif -#ifndef YY_INITIAL_VALUE -# define YY_INITIAL_VALUE(Value) /* Nothing. */ -#endif - - -#if ! defined yyoverflow || YYERROR_VERBOSE - -/* The parser invokes alloca or malloc; define the necessary symbols. */ - -# ifdef YYSTACK_USE_ALLOCA -# if YYSTACK_USE_ALLOCA -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# elif defined __BUILTIN_VA_ARG_INCR -# include /* INFRINGES ON USER NAME SPACE */ -# elif defined _AIX -# define YYSTACK_ALLOC __alloca -# elif defined _MSC_VER -# include /* INFRINGES ON USER NAME SPACE */ -# define alloca _alloca -# else -# define YYSTACK_ALLOC alloca -# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS -# include /* INFRINGES ON USER NAME SPACE */ - /* Use EXIT_SUCCESS as a witness for stdlib.h. */ -# ifndef EXIT_SUCCESS -# define EXIT_SUCCESS 0 -# endif -# endif -# endif -# endif -# endif - -# ifdef YYSTACK_ALLOC - /* Pacify GCC's 'empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) -# ifndef YYSTACK_ALLOC_MAXIMUM - /* The OS might guarantee only one guard page at the bottom of the stack, - and a page size can be as small as 4096 bytes. So we cannot safely - invoke alloca (N) if N exceeds 4096. Use a slightly smaller number - to allow for a few compiler-allocated temporary stack slots. */ -# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ -# endif -# else -# define YYSTACK_ALLOC YYMALLOC -# define YYSTACK_FREE YYFREE -# ifndef YYSTACK_ALLOC_MAXIMUM -# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM -# endif -# if (defined __cplusplus && ! defined EXIT_SUCCESS \ - && ! ((defined YYMALLOC || defined malloc) \ - && (defined YYFREE || defined free))) -# include /* INFRINGES ON USER NAME SPACE */ -# ifndef EXIT_SUCCESS -# define EXIT_SUCCESS 0 -# endif -# endif -# ifndef YYMALLOC -# define YYMALLOC malloc -# if ! defined malloc && ! defined EXIT_SUCCESS -void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# ifndef YYFREE -# define YYFREE free -# if ! defined free && ! defined EXIT_SUCCESS -void free (void *); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# endif -#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ - - -#if (! defined yyoverflow \ - && (! defined __cplusplus \ - || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) - -/* A type that is properly aligned for any stack member. */ -union yyalloc -{ - yytype_int16 yyss_alloc; - YYSTYPE yyvs_alloc; -}; - -/* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) - -/* The size of an array large to enough to hold all stacks, each with - N elements. */ -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ - + YYSTACK_GAP_MAXIMUM) - -# define YYCOPY_NEEDED 1 - -/* Relocate STACK from its old location to the new one. The - local variables YYSIZE and YYSTACKSIZE give the old and new number of - elements in the stack, and YYPTR gives the new location of the - stack. Advance YYPTR to a properly aligned location for the next - stack. */ -# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ - do \ - { \ - YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ - Stack = &yyptr->Stack_alloc; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ - yyptr += yynewbytes / sizeof (*yyptr); \ - } \ - while (0) - -#endif - -#if defined YYCOPY_NEEDED && YYCOPY_NEEDED -/* Copy COUNT objects from SRC to DST. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if defined __GNUC__ && 1 < __GNUC__ -# define YYCOPY(Dst, Src, Count) \ - __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src))) -# else -# define YYCOPY(Dst, Src, Count) \ - do \ - { \ - YYSIZE_T yyi; \ - for (yyi = 0; yyi < (Count); yyi++) \ - (Dst)[yyi] = (Src)[yyi]; \ - } \ - while (0) -# endif -# endif -#endif /* !YYCOPY_NEEDED */ - -/* YYFINAL -- State number of the termination state. */ -#define YYFINAL 4 -/* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 47 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 22 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 17 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 33 -/* YYNSTATES -- Number of states. */ -#define YYNSTATES 55 - -/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned - by yylex, with out-of-bounds checking. */ -#define YYUNDEFTOK 2 -#define YYMAXUTOK 276 - -#define YYTRANSLATE(YYX) \ - ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) - -/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM - as returned by yylex, without out-of-bounds checking. */ -static const yytype_uint8 yytranslate[] = -{ - 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21 -}; - -#if YYDEBUG - /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ -static const yytype_uint8 yyrline[] = -{ - 0, 118, 118, 121, 124, 125, 128, 131, 132, 135, - 138, 141, 144, 145, 148, 149, 150, 151, 152, 153, - 154, 155, 156, 157, 158, 159, 162, 165, 166, 169, - 172, 175, 178, 179 -}; -#endif - -#if YYDEBUG || YYERROR_VERBOSE || 0 -/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ -static const char *const yytname[] = -{ - "$end", "error", "$undefined", "DEFBRK", "COLON", "OCTAL", "INTEGER", - "IDENT", "CSR", "IRQ", "INTR", "INIT", "OPEN", "CLOSE", "READ", "WRITE", - "SEEK", "CONTROL", "IS", "ON", "GETC", "PUTC", "$accept", - "configuration", "devtypes", "ftypes", "ftype", "dev_list", "devheader", - "tname", "id", "attr_list", "attr", "number", "devdescriptors", - "descriptor", "fspec", "dname", "optional_on", YY_NULLPTR -}; -#endif - -# ifdef YYPRINT -/* YYTOKNUM[NUM] -- (External) token number corresponding to the - (internal) symbol number NUM (which must be that of a token). */ -static const yytype_uint16 yytoknum[] = -{ - 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, - 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, - 275, 276 -}; -# endif - -#define YYPACT_NINF -17 - -#define yypact_value_is_default(Yystate) \ - (!!((Yystate) == (-17))) - -#define YYTABLE_NINF -1 - -#define yytable_value_is_error(Yytable_value) \ - 0 - - /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -static const yytype_int8 yypact[] = -{ - -17, 2, -17, 0, -17, -3, -17, -17, -17, -14, - 4, -17, -17, -17, -9, -3, -14, -17, -17, 23, - -3, -17, -17, 23, 5, 5, -3, -3, -3, -3, - -3, -3, -3, -3, -3, -3, -17, -7, 23, -17, - -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, - -17, -17, -3, -17, -17 -}; - - /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM. - Performed when YYTABLE does not specify something else to do. Zero - means the default is an error. */ -static const yytype_uint8 yydefact[] = -{ - 4, 0, 27, 0, 1, 2, 3, 11, 5, 0, - 0, 31, 28, 12, 0, 0, 6, 12, 10, 29, - 0, 9, 12, 7, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 13, 32, 8, 26, - 14, 15, 16, 19, 17, 18, 22, 23, 24, 25, - 20, 21, 0, 30, 33 -}; - - /* YYPGOTO[NTERM-NUM]. */ -static const yytype_int8 yypgoto[] = -{ - -17, -17, -17, -17, -17, -17, -2, -17, -5, -16, - -17, -12, -17, -17, -17, -17, -17 -}; - - /* YYDEFGOTO[NTERM-NUM]. */ -static const yytype_int8 yydefgoto[] = -{ - -1, 1, 2, 3, 8, 16, 17, 9, 10, 19, - 36, 40, 5, 12, 13, 14, 53 -}; - - /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule whose - number is the opposite. If YYTABLE_NINF, syntax error. */ -static const yytype_uint8 yytable[] = -{ - 11, 23, 4, 6, 7, 15, 38, 7, 18, 20, - 21, 39, 52, 41, 22, 37, 0, 0, 0, 0, - 0, 42, 43, 44, 45, 46, 47, 48, 49, 50, - 51, 24, 25, 26, 27, 28, 29, 30, 31, 32, - 33, 0, 0, 34, 35, 0, 0, 54 -}; - -static const yytype_int8 yycheck[] = -{ - 5, 17, 0, 3, 7, 19, 22, 7, 4, 18, - 15, 6, 19, 25, 16, 20, -1, -1, -1, -1, - -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, - 35, 8, 9, 10, 11, 12, 13, 14, 15, 16, - 17, -1, -1, 20, 21, -1, -1, 52 -}; - - /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const yytype_uint8 yystos[] = -{ - 0, 23, 24, 25, 0, 34, 3, 7, 26, 29, - 30, 30, 35, 36, 37, 19, 27, 28, 4, 31, - 18, 30, 28, 31, 8, 9, 10, 11, 12, 13, - 14, 15, 16, 17, 20, 21, 32, 30, 31, 6, - 33, 33, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 19, 38, 30 -}; - - /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const yytype_uint8 yyr1[] = -{ - 0, 22, 23, 24, 25, 25, 26, 27, 27, 28, - 29, 30, 31, 31, 32, 32, 32, 32, 32, 32, - 32, 32, 32, 32, 32, 32, 33, 34, 34, 35, - 36, 37, 38, 38 -}; - - /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ -static const yytype_uint8 yyr2[] = -{ - 0, 2, 2, 2, 0, 2, 2, 2, 3, 2, - 2, 1, 0, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 0, 2, 2, - 4, 1, 0, 2 -}; - - -#define yyerrok (yyerrstatus = 0) -#define yyclearin (yychar = YYEMPTY) -#define YYEMPTY (-2) -#define YYEOF 0 - -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrorlab - - -#define YYRECOVERING() (!!yyerrstatus) - -#define YYBACKUP(Token, Value) \ -do \ - if (yychar == YYEMPTY) \ - { \ - yychar = (Token); \ - yylval = (Value); \ - YYPOPSTACK (yylen); \ - yystate = *yyssp; \ - goto yybackup; \ - } \ - else \ - { \ - yyerror (YY_("syntax error: cannot back up")); \ - YYERROR; \ - } \ -while (0) - -/* Error token number */ -#define YYTERROR 1 -#define YYERRCODE 256 - - - -/* Enable debugging if requested. */ -#if YYDEBUG - -# ifndef YYFPRINTF -# include /* INFRINGES ON USER NAME SPACE */ -# define YYFPRINTF fprintf -# endif - -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ -} while (0) - -/* This macro is provided for backward compatibility. */ -#ifndef YY_LOCATION_PRINT -# define YY_LOCATION_PRINT(File, Loc) ((void) 0) -#endif - - -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yy_symbol_print (stderr, \ - Type, Value); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (0) - - -/*----------------------------------------. -| Print this symbol's value on YYOUTPUT. | -`----------------------------------------*/ - -static void -yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) -{ - FILE *yyo = yyoutput; - YYUSE (yyo); - if (!yyvaluep) - return; -# ifdef YYPRINT - if (yytype < YYNTOKENS) - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# endif - YYUSE (yytype); -} - - -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -static void -yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) -{ - YYFPRINTF (yyoutput, "%s %s (", - yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]); - - yy_symbol_value_print (yyoutput, yytype, yyvaluep); - YYFPRINTF (yyoutput, ")"); -} - -/*------------------------------------------------------------------. -| yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (included). | -`------------------------------------------------------------------*/ - -static void -yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) -{ - YYFPRINTF (stderr, "Stack now"); - for (; yybottom <= yytop; yybottom++) - { - int yybot = *yybottom; - YYFPRINTF (stderr, " %d", yybot); - } - YYFPRINTF (stderr, "\n"); -} - -# define YY_STACK_PRINT(Bottom, Top) \ -do { \ - if (yydebug) \ - yy_stack_print ((Bottom), (Top)); \ -} while (0) - - -/*------------------------------------------------. -| Report that the YYRULE is going to be reduced. | -`------------------------------------------------*/ - -static void -yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule) -{ - unsigned long int yylno = yyrline[yyrule]; - int yynrhs = yyr2[yyrule]; - int yyi; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", - yyrule - 1, yylno); - /* The symbols being reduced. */ - for (yyi = 0; yyi < yynrhs; yyi++) - { - YYFPRINTF (stderr, " $%d = ", yyi + 1); - yy_symbol_print (stderr, - yystos[yyssp[yyi + 1 - yynrhs]], - &(yyvsp[(yyi + 1) - (yynrhs)]) - ); - YYFPRINTF (stderr, "\n"); - } -} - -# define YY_REDUCE_PRINT(Rule) \ -do { \ - if (yydebug) \ - yy_reduce_print (yyssp, yyvsp, Rule); \ -} while (0) - -/* Nonzero means print parse trace. It is left uninitialized so that - multiple parsers can coexist. */ -int yydebug; -#else /* !YYDEBUG */ -# define YYDPRINTF(Args) -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) -# define YY_STACK_PRINT(Bottom, Top) -# define YY_REDUCE_PRINT(Rule) -#endif /* !YYDEBUG */ - - -/* YYINITDEPTH -- initial size of the parser's stacks. */ -#ifndef YYINITDEPTH -# define YYINITDEPTH 200 -#endif - -/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only - if the built-in stack extension method is used). - - Do not make this value too large; the results are undefined if - YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) - evaluated with infinite-precision integer arithmetic. */ - -#ifndef YYMAXDEPTH -# define YYMAXDEPTH 10000 -#endif - - -#if YYERROR_VERBOSE - -# ifndef yystrlen -# if defined __GLIBC__ && defined _STRING_H -# define yystrlen strlen -# else -/* Return the length of YYSTR. */ -static YYSIZE_T -yystrlen (const char *yystr) -{ - YYSIZE_T yylen; - for (yylen = 0; yystr[yylen]; yylen++) - continue; - return yylen; -} -# endif -# endif - -# ifndef yystpcpy -# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE -# define yystpcpy stpcpy -# else -/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in - YYDEST. */ -static char * -yystpcpy (char *yydest, const char *yysrc) -{ - char *yyd = yydest; - const char *yys = yysrc; - - while ((*yyd++ = *yys++) != '\0') - continue; - - return yyd - 1; -} -# endif -# endif - -# ifndef yytnamerr -/* Copy to YYRES the contents of YYSTR after stripping away unnecessary - quotes and backslashes, so that it's suitable for yyerror. The - heuristic is that double-quoting is unnecessary unless the string - contains an apostrophe, a comma, or backslash (other than - backslash-backslash). YYSTR is taken from yytname. If YYRES is - null, do not copy; instead, return the length of what the result - would have been. */ -static YYSIZE_T -yytnamerr (char *yyres, const char *yystr) -{ - if (*yystr == '"') - { - YYSIZE_T yyn = 0; - char const *yyp = yystr; - - for (;;) - switch (*++yyp) - { - case '\'': - case ',': - goto do_not_strip_quotes; - - case '\\': - if (*++yyp != '\\') - goto do_not_strip_quotes; - /* Fall through. */ - default: - if (yyres) - yyres[yyn] = *yyp; - yyn++; - break; - - case '"': - if (yyres) - yyres[yyn] = '\0'; - return yyn; - } - do_not_strip_quotes: ; - } - - if (! yyres) - return yystrlen (yystr); - - return yystpcpy (yyres, yystr) - yyres; -} -# endif - -/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message - about the unexpected token YYTOKEN for the state stack whose top is - YYSSP. - - Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is - not large enough to hold the message. In that case, also set - *YYMSG_ALLOC to the required number of bytes. Return 2 if the - required number of bytes is too large to store. */ -static int -yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, - yytype_int16 *yyssp, int yytoken) -{ - YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]); - YYSIZE_T yysize = yysize0; - enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; - /* Internationalized format string. */ - const char *yyformat = YY_NULLPTR; - /* Arguments of yyformat. */ - char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; - /* Number of reported tokens (one for the "unexpected", one per - "expected"). */ - int yycount = 0; - - /* There are many possibilities here to consider: - - If this state is a consistent state with a default action, then - the only way this function was invoked is if the default action - is an error action. In that case, don't check for expected - tokens because there are none. - - The only way there can be no lookahead present (in yychar) is if - this state is a consistent state with a default action. Thus, - detecting the absence of a lookahead is sufficient to determine - that there is no unexpected or expected token to report. In that - case, just report a simple "syntax error". - - Don't assume there isn't a lookahead just because this state is a - consistent state with a default action. There might have been a - previous inconsistent state, consistent state with a non-default - action, or user semantic action that manipulated yychar. - - Of course, the expected token list depends on states to have - correct lookahead information, and it depends on the parser not - to perform extra reductions after fetching a lookahead from the - scanner and before detecting a syntax error. Thus, state merging - (from LALR or IELR) and default reductions corrupt the expected - token list. However, the list is correct for canonical LR with - one exception: it will still contain any token that will not be - accepted due to an error action in a later state. - */ - if (yytoken != YYEMPTY) - { - int yyn = yypact[*yyssp]; - yyarg[yycount++] = yytname[yytoken]; - if (!yypact_value_is_default (yyn)) - { - /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. In other words, skip the first -YYN actions for - this state because they are default actions. */ - int yyxbegin = yyn < 0 ? -yyn : 0; - /* Stay within bounds of both yycheck and yytname. */ - int yychecklim = YYLAST - yyn + 1; - int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; - int yyx; - - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR - && !yytable_value_is_error (yytable[yyx + yyn])) - { - if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) - { - yycount = 1; - yysize = yysize0; - break; - } - yyarg[yycount++] = yytname[yyx]; - { - YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]); - if (! (yysize <= yysize1 - && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) - return 2; - yysize = yysize1; - } - } - } - } - - switch (yycount) - { -# define YYCASE_(N, S) \ - case N: \ - yyformat = S; \ - break - YYCASE_(0, YY_("syntax error")); - YYCASE_(1, YY_("syntax error, unexpected %s")); - YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); - YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); - YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); - YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); -# undef YYCASE_ - } - - { - YYSIZE_T yysize1 = yysize + yystrlen (yyformat); - if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) - return 2; - yysize = yysize1; - } - - if (*yymsg_alloc < yysize) - { - *yymsg_alloc = 2 * yysize; - if (! (yysize <= *yymsg_alloc - && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) - *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; - return 1; - } - - /* Avoid sprintf, as that infringes on the user's name space. - Don't have undefined behavior even if the translation - produced a string with the wrong number of "%s"s. */ - { - char *yyp = *yymsg; - int yyi = 0; - while ((*yyp = *yyformat) != '\0') - if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) - { - yyp += yytnamerr (yyp, yyarg[yyi++]); - yyformat += 2; - } - else - { - yyp++; - yyformat++; - } - } - return 0; -} -#endif /* YYERROR_VERBOSE */ - -/*-----------------------------------------------. -| Release the memory associated to this symbol. | -`-----------------------------------------------*/ - -static void -yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) -{ - YYUSE (yyvaluep); - if (!yymsg) - yymsg = "Deleting"; - YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); - - YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN - YYUSE (yytype); - YY_IGNORE_MAYBE_UNINITIALIZED_END -} - - - - -/* The lookahead symbol. */ -int yychar; - -/* The semantic value of the lookahead symbol. */ -YYSTYPE yylval; -/* Number of syntax errors so far. */ -int yynerrs; - - -/*----------. -| yyparse. | -`----------*/ - -int -yyparse (void) -{ - int yystate; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - - /* The stacks and their tools: - 'yyss': related to states. - 'yyvs': related to semantic values. - - Refer to the stacks through separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ - - /* The state stack. */ - yytype_int16 yyssa[YYINITDEPTH]; - yytype_int16 *yyss; - yytype_int16 *yyssp; - - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs; - YYSTYPE *yyvsp; - - YYSIZE_T yystacksize; - - int yyn; - int yyresult; - /* Lookahead token as an internal (translated) token number. */ - int yytoken = 0; - /* The variables used to return semantic value and location from the - action routines. */ - YYSTYPE yyval; - -#if YYERROR_VERBOSE - /* Buffer for error messages, and its allocated size. */ - char yymsgbuf[128]; - char *yymsg = yymsgbuf; - YYSIZE_T yymsg_alloc = sizeof yymsgbuf; -#endif - -#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) - - /* The number of symbols on the RHS of the reduced rule. - Keep to zero when no symbol should be popped. */ - int yylen = 0; - - yyssp = yyss = yyssa; - yyvsp = yyvs = yyvsa; - yystacksize = YYINITDEPTH; - - YYDPRINTF ((stderr, "Starting parse\n")); - - yystate = 0; - yyerrstatus = 0; - yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ - goto yysetstate; - -/*------------------------------------------------------------. -| yynewstate -- Push a new state, which is found in yystate. | -`------------------------------------------------------------*/ - yynewstate: - /* In all cases, when you get here, the value and location stacks - have just been pushed. So pushing a state here evens the stacks. */ - yyssp++; - - yysetstate: - *yyssp = yystate; - - if (yyss + yystacksize - 1 <= yyssp) - { - /* Get the current used size of the three stacks, in elements. */ - YYSIZE_T yysize = yyssp - yyss + 1; - -#ifdef yyoverflow - { - /* Give user a chance to reallocate the stack. Use copies of - these so that the &'s don't force the real ones into - memory. */ - YYSTYPE *yyvs1 = yyvs; - yytype_int16 *yyss1 = yyss; - - /* Each stack pointer address is followed by the size of the - data in use in that stack, in bytes. This used to be a - conditional around just the two extra args, but that might - be undefined if yyoverflow is a macro. */ - yyoverflow (YY_("memory exhausted"), - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - &yystacksize); - - yyss = yyss1; - yyvs = yyvs1; - } -#else /* no yyoverflow */ -# ifndef YYSTACK_RELOCATE - goto yyexhaustedlab; -# else - /* Extend the stack our own way. */ - if (YYMAXDEPTH <= yystacksize) - goto yyexhaustedlab; - yystacksize *= 2; - if (YYMAXDEPTH < yystacksize) - yystacksize = YYMAXDEPTH; - - { - yytype_int16 *yyss1 = yyss; - union yyalloc *yyptr = - (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); - if (! yyptr) - goto yyexhaustedlab; - YYSTACK_RELOCATE (yyss_alloc, yyss); - YYSTACK_RELOCATE (yyvs_alloc, yyvs); -# undef YYSTACK_RELOCATE - if (yyss1 != yyssa) - YYSTACK_FREE (yyss1); - } -# endif -#endif /* no yyoverflow */ - - yyssp = yyss + yysize - 1; - yyvsp = yyvs + yysize - 1; - - YYDPRINTF ((stderr, "Stack size increased to %lu\n", - (unsigned long int) yystacksize)); - - if (yyss + yystacksize - 1 <= yyssp) - YYABORT; - } - - YYDPRINTF ((stderr, "Entering state %d\n", yystate)); - - if (yystate == YYFINAL) - YYACCEPT; - - goto yybackup; - -/*-----------. -| yybackup. | -`-----------*/ -yybackup: - - /* Do appropriate processing given the current state. Read a - lookahead token if we need one and don't already have one. */ - - /* First try to decide what to do without reference to lookahead token. */ - yyn = yypact[yystate]; - if (yypact_value_is_default (yyn)) - goto yydefault; - - /* Not known => get a lookahead token if don't already have one. */ - - /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ - if (yychar == YYEMPTY) - { - YYDPRINTF ((stderr, "Reading a token: ")); - yychar = yylex (); - } - - if (yychar <= YYEOF) - { - yychar = yytoken = YYEOF; - YYDPRINTF ((stderr, "Now at end of input.\n")); - } - else - { - yytoken = YYTRANSLATE (yychar); - YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); - } - - /* If the proper action on seeing token YYTOKEN is to reduce or to - detect an error, take that action. */ - yyn += yytoken; - if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) - goto yydefault; - yyn = yytable[yyn]; - if (yyn <= 0) - { - if (yytable_value_is_error (yyn)) - goto yyerrlab; - yyn = -yyn; - goto yyreduce; - } - - /* Count tokens shifted since error; after three, turn off error - status. */ - if (yyerrstatus) - yyerrstatus--; - - /* Shift the lookahead token. */ - YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); - - /* Discard the shifted token. */ - yychar = YYEMPTY; - - yystate = yyn; - YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN - *++yyvsp = yylval; - YY_IGNORE_MAYBE_UNINITIALIZED_END - - goto yynewstate; - - -/*-----------------------------------------------------------. -| yydefault -- do the default action for the current state. | -`-----------------------------------------------------------*/ -yydefault: - yyn = yydefact[yystate]; - if (yyn == 0) - goto yyerrlab; - goto yyreduce; - - -/*-----------------------------. -| yyreduce -- Do a reduction. | -`-----------------------------*/ -yyreduce: - /* yyn is the number of a rule to reduce with. */ - yylen = yyr2[yyn]; - - /* If YYLEN is nonzero, implement the default value of the action: - '$$ = $1'. - - Otherwise, the following line sets YYVAL to garbage. - This behavior is undocumented and Bison - users should not rely upon it. Assigning to YYVAL - unconditionally makes the parser a bit smaller, and it avoids a - GCC warning that YYVAL may be used uninitialized. */ - yyval = yyvsp[1-yylen]; - - - YY_REDUCE_PRINT (yyn); - switch (yyn) - { - case 3: -#line 121 "config.y" /* yacc.c:1646 */ - { doing = "device definitions"; } -#line 1376 "y.tab.c" /* yacc.c:1646 */ - break; - - case 9: -#line 135 "config.y" /* yacc.c:1646 */ - { mktype((yyvsp[0])); } -#line 1382 "y.tab.c" /* yacc.c:1646 */ - break; - - case 10: -#line 138 "config.y" /* yacc.c:1646 */ - {(yyval) = currtname = cktname((yyvsp[-1]));} -#line 1388 "y.tab.c" /* yacc.c:1646 */ - break; - - case 11: -#line 141 "config.y" /* yacc.c:1646 */ - { (yyval) = currname = lookup(yytext, yyleng); } -#line 1394 "y.tab.c" /* yacc.c:1646 */ - break; - - case 14: -#line 148 "config.y" /* yacc.c:1646 */ - { newattr(CSR, (yyvsp[0])); } -#line 1400 "y.tab.c" /* yacc.c:1646 */ - break; - - case 15: -#line 149 "config.y" /* yacc.c:1646 */ - { newattr(IRQ, (yyvsp[0])); } -#line 1406 "y.tab.c" /* yacc.c:1646 */ - break; - - case 16: -#line 150 "config.y" /* yacc.c:1646 */ - { newattr(INTR, (yyvsp[0])); } -#line 1412 "y.tab.c" /* yacc.c:1646 */ - break; - - case 17: -#line 151 "config.y" /* yacc.c:1646 */ - { newattr(OPEN, (yyvsp[0])); } -#line 1418 "y.tab.c" /* yacc.c:1646 */ - break; - - case 18: -#line 152 "config.y" /* yacc.c:1646 */ - { newattr(CLOSE, (yyvsp[0])); } -#line 1424 "y.tab.c" /* yacc.c:1646 */ - break; - - case 19: -#line 153 "config.y" /* yacc.c:1646 */ - { newattr(INIT, (yyvsp[0])); } -#line 1430 "y.tab.c" /* yacc.c:1646 */ - break; - - case 20: -#line 154 "config.y" /* yacc.c:1646 */ - { newattr(GETC, (yyvsp[0])); } -#line 1436 "y.tab.c" /* yacc.c:1646 */ - break; - - case 21: -#line 155 "config.y" /* yacc.c:1646 */ - { newattr(PUTC, (yyvsp[0])); } -#line 1442 "y.tab.c" /* yacc.c:1646 */ - break; - - case 22: -#line 156 "config.y" /* yacc.c:1646 */ - { newattr(READ, (yyvsp[0])); } -#line 1448 "y.tab.c" /* yacc.c:1646 */ - break; - - case 23: -#line 157 "config.y" /* yacc.c:1646 */ - { newattr(WRITE, (yyvsp[0])); } -#line 1454 "y.tab.c" /* yacc.c:1646 */ - break; - - case 24: -#line 158 "config.y" /* yacc.c:1646 */ - { newattr(SEEK, (yyvsp[0])); } -#line 1460 "y.tab.c" /* yacc.c:1646 */ - break; - - case 25: -#line 159 "config.y" /* yacc.c:1646 */ - { newattr(CONTROL, (yyvsp[0])); } -#line 1466 "y.tab.c" /* yacc.c:1646 */ - break; - - case 26: -#line 162 "config.y" /* yacc.c:1646 */ - { (yyval) = config_atoi(yytext, yyleng); } -#line 1472 "y.tab.c" /* yacc.c:1646 */ - break; - - case 30: -#line 172 "config.y" /* yacc.c:1646 */ - { mkdev((yyvsp[-3]), (yyvsp[-1]), (yyvsp[0])); } -#line 1478 "y.tab.c" /* yacc.c:1646 */ - break; - - case 31: -#line 175 "config.y" /* yacc.c:1646 */ - { (yyval) = currdname = ckdname((yyvsp[0])); } -#line 1484 "y.tab.c" /* yacc.c:1646 */ - break; - - case 32: -#line 178 "config.y" /* yacc.c:1646 */ - { (yyval) = 0; } -#line 1490 "y.tab.c" /* yacc.c:1646 */ - break; - - case 33: -#line 179 "config.y" /* yacc.c:1646 */ - { (yyval) = (yyvsp[0]); } -#line 1496 "y.tab.c" /* yacc.c:1646 */ - break; - - -#line 1500 "y.tab.c" /* yacc.c:1646 */ - default: break; - } - /* User semantic actions sometimes alter yychar, and that requires - that yytoken be updated with the new translation. We take the - approach of translating immediately before every use of yytoken. - One alternative is translating here after every semantic action, - but that translation would be missed if the semantic action invokes - YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or - if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an - incorrect destructor might then be invoked immediately. In the - case of YYERROR or YYBACKUP, subsequent parser actions might lead - to an incorrect destructor call or verbose syntax error message - before the lookahead is translated. */ - YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); - - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - - *++yyvsp = yyval; - - /* Now 'shift' the result of the reduction. Determine what state - that goes to, based on the state we popped back to and the rule - number reduced by. */ - - yyn = yyr1[yyn]; - - yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) - yystate = yytable[yystate]; - else - yystate = yydefgoto[yyn - YYNTOKENS]; - - goto yynewstate; - - -/*--------------------------------------. -| yyerrlab -- here on detecting error. | -`--------------------------------------*/ -yyerrlab: - /* Make sure we have latest lookahead translation. See comments at - user semantic actions for why this is necessary. */ - yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); - - /* If not already recovering from an error, report this error. */ - if (!yyerrstatus) - { - ++yynerrs; -#if ! YYERROR_VERBOSE - yyerror (YY_("syntax error")); -#else -# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ - yyssp, yytoken) - { - char const *yymsgp = YY_("syntax error"); - int yysyntax_error_status; - yysyntax_error_status = YYSYNTAX_ERROR; - if (yysyntax_error_status == 0) - yymsgp = yymsg; - else if (yysyntax_error_status == 1) - { - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); - yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); - if (!yymsg) - { - yymsg = yymsgbuf; - yymsg_alloc = sizeof yymsgbuf; - yysyntax_error_status = 2; - } - else - { - yysyntax_error_status = YYSYNTAX_ERROR; - yymsgp = yymsg; - } - } - yyerror (yymsgp); - if (yysyntax_error_status == 2) - goto yyexhaustedlab; - } -# undef YYSYNTAX_ERROR -#endif - } - - - - if (yyerrstatus == 3) - { - /* If just tried and failed to reuse lookahead token after an - error, discard it. */ - - if (yychar <= YYEOF) - { - /* Return failure if at end of input. */ - if (yychar == YYEOF) - YYABORT; - } - else - { - yydestruct ("Error: discarding", - yytoken, &yylval); - yychar = YYEMPTY; - } - } - - /* Else will try to reuse lookahead token after shifting the error - token. */ - goto yyerrlab1; - - -/*---------------------------------------------------. -| yyerrorlab -- error raised explicitly by YYERROR. | -`---------------------------------------------------*/ -yyerrorlab: - - /* Pacify compilers like GCC when the user code never invokes - YYERROR and the label yyerrorlab therefore never appears in user - code. */ - if (/*CONSTCOND*/ 0) - goto yyerrorlab; - - /* Do not reclaim the symbols of the rule whose action triggered - this YYERROR. */ - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - yystate = *yyssp; - goto yyerrlab1; - - -/*-------------------------------------------------------------. -| yyerrlab1 -- common code for both syntax error and YYERROR. | -`-------------------------------------------------------------*/ -yyerrlab1: - yyerrstatus = 3; /* Each real token shifted decrements this. */ - - for (;;) - { - yyn = yypact[yystate]; - if (!yypact_value_is_default (yyn)) - { - yyn += YYTERROR; - if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) - { - yyn = yytable[yyn]; - if (0 < yyn) - break; - } - } - - /* Pop the current state because it cannot handle the error token. */ - if (yyssp == yyss) - YYABORT; - - - yydestruct ("Error: popping", - yystos[yystate], yyvsp); - YYPOPSTACK (1); - yystate = *yyssp; - YY_STACK_PRINT (yyss, yyssp); - } - - YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN - *++yyvsp = yylval; - YY_IGNORE_MAYBE_UNINITIALIZED_END - - - /* Shift the error token. */ - YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); - - yystate = yyn; - goto yynewstate; - - -/*-------------------------------------. -| yyacceptlab -- YYACCEPT comes here. | -`-------------------------------------*/ -yyacceptlab: - yyresult = 0; - goto yyreturn; - -/*-----------------------------------. -| yyabortlab -- YYABORT comes here. | -`-----------------------------------*/ -yyabortlab: - yyresult = 1; - goto yyreturn; - -#if !defined yyoverflow || YYERROR_VERBOSE -/*-------------------------------------------------. -| yyexhaustedlab -- memory exhaustion comes here. | -`-------------------------------------------------*/ -yyexhaustedlab: - yyerror (YY_("memory exhausted")); - yyresult = 2; - /* Fall through. */ -#endif - -yyreturn: - if (yychar != YYEMPTY) - { - /* Make sure we have latest lookahead translation. See comments at - user semantic actions for why this is necessary. */ - yytoken = YYTRANSLATE (yychar); - yydestruct ("Cleanup: discarding lookahead", - yytoken, &yylval); - } - /* Do not reclaim the symbols of the rule whose action triggered - this YYABORT or YYACCEPT. */ - YYPOPSTACK (yylen); - YY_STACK_PRINT (yyss, yyssp); - while (yyssp != yyss) - { - yydestruct ("Cleanup: popping", - yystos[*yyssp], yyvsp); - YYPOPSTACK (1); - } -#ifndef yyoverflow - if (yyss != yyssa) - YYSTACK_FREE (yyss); -#endif -#if YYERROR_VERBOSE - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); -#endif - return yyresult; -} -#line 181 "config.y" /* yacc.c:1906 */ - -#include "lex.yy.c" - -int main(int argc, char **argv) -{ - int n, i, j, l, fcount; - struct dev_ent *s; - int verbose = 0; - char *p; - int c; - - if ( argc > 1 && (strncmp("-v", argv[1], 2) == 0) ) { - argc--; - argv++; - verbose++; - } - - if ( argc > 4 ) { - fprintf(stderr, "use: config [-v] [file] [conf.c] [conf.h]\n"); - exit(1); - } - - if (verbose) { printf("Opening input file...\n"); } - - if (argc >= 2) { - if (freopen(argv[1], "r", stdin) == NULL) { - fprintf(stderr, "Can't open %s\n", argv[1]); - exit(1); - } - } - else { /* try to open Configuration file */ - if (freopen(CONFIGIN, "r", stdin) == NULL) { - fprintf(stderr, "Can't open %s\n", CONFIGIN); - exit(1); - } - } - - /* Parse the Configuration file */ - - if (verbose) { printf("Parsing configuration specs...\n"); } - - if ( (n = yyparse()) != 0 ) { exit(n); } - - /* Open conf.h and conf.c for writing */ - - if (verbose) { printf("Opening output files...\n"); } - - if (argc >= 3) { - if ( (confc = fopen(argv[2],"w") ) == NULL) { - fprintf(stderr, "Can't write on %s\n", argv[2]); - exit(1); - } - } - else { /* try to open conf.c file */ - if ( (confc = fopen(CONFIGC,"w") ) == NULL) { - fprintf(stderr, "Can't write on %s\n", CONFIGC); - exit(1); - } - } - - if (argc >= 4) { - if ( (confh = fopen(argv[3],"w") ) == NULL) { - fprintf(stderr, "Can't write on %s\n", argv[3]); - exit(1); - } - } - else { /* try to open conf.h file */ - if ( (confh = fopen(CONFIGH,"w") ) == NULL) { - fprintf(stderr, "Can't write on %s\n", CONFIGH); - exit(1); - } - } - - /** produce conf.h **/ - - fprintf(confh, "/* conf.h (GENERATED FILE; DO NOT EDIT) */\n\n"); - - if (verbose) { printf("Writing output...\n"); } - - fprintf(confh, "/* Device switch table declarations */\n\n"); - - for (i = 0; (p = devstab[i]) != NULL; i++) { - fprintf(confh, "%s\n", p); - } - - fprintf(confh, "\n"); - - /* write device declarations and definitions; count type refs. */ - fprintf(confh, "/* Device name definitions */\n\n"); - for (i = 0, s = devs; s != NIL; i++, s = s->next) { - fprintf(confh, "#define %-12s%d /* type %-8s */\n", - s->name, i, s->tname); - s->minor = symtab[s->tnum].occurs++; - } - fprintf(confh, "\n"); - - /* write count of device types */ - - fprintf(confh, "/* Control block sizes */\n\n"); - for (i = 0; i < nsym; i++) - { - if (symtab[i].occurs > 0) - { - int j; - char name[CONFMAXNM]; - strncpy(name, symtab[i].name, CONFMAXNM); - - name[CONFMAXNM-1] = '\0'; - - fprintf(confh, "#define\tN%s\t%d\n", - name, symtab[i].occurs); - } - } - - fprintf(confh, "\n"); - - fprintf(confh, "#define DEVMAXNAME %d\n", CONFMAXNM); - - if (ndevs > 0) { fprintf(confh, "#define NDEVS %d\n", ndevs); } - - /* Copy definitions to output */ - if (brkcount == 2 && verbose) - { printf("Copying definitions to %s...\n", CONFIGH); } - - if (brkcount == 2 ) - { - while ( (c = input()) > 0) /* lex input routine */ - { putc(c, confh); } - } - - fclose(confh); - - - /** produce conf.c **/ - - fprintf(confc, "/* conf.c (GENERATED FILE; DO NOT EDIT) */\n\n"); - fprintf(confc, "#include \n\n"); - fprintf(confc, "\n"); - - fprintf(confc, "extern\tdevcall\tioerr(void);\n"); - fprintf(confc, "extern\tdevcall\tionull(void);\n\n"); - - /* produce devtab (giant I/O switch table) */ - fprintf(confc, "/* Device independent I/O switch */\n\n"); - if (ndevs > 0) - { - fprintf(confc, "struct dentry devtab[NDEVS] =\n{\n"); - fprintf(confc, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n\n", - "/**", - " * Format of entries is:", - " * dev-number, minor-number, dev-name,", - " * init, open, close,", - " * read, write, seek,", - " * getc, putc, control,", - " * dev-csr-address, intr-handler, irq", - " */"); - } - - for (fcount = 0, s = devs; s != NIL; fcount++, s = s->next) - { - fprintf(confc, "/* %s is %s */\n", s->name, s->tname); - fprintf(confc, "\t{ %d, %d, \"%s\",\n", fcount, s->minor, s->name); - fprintf(confc, "\t (void *)%s, (void *)%s, (void *)%s,\n", - s->init, s->open, s->close); - fprintf(confc, "\t (void *)%s, (void *)%s, (void *)%s,\n", - s->read, s->write, s->seek); - fprintf(confc, "\t (void *)%s, (void *)%s, (void *)%s,\n", - s->getc, s->putc, s->control); - fprintf(confc, "\t (void *)0x%x, (void *)%s, %d }", - s->csr, s->intr, s->irq); - - if ( s->next != NIL ) { fprintf(confc, ",\n\n"); } - else { fprintf(confc, "\n};"); } - } - - /* guarantee conf.c written later than conf.c for make */ - fprintf(confc, "\n"); - fclose(confc); - - /* finish up and write report for user if requested */ - if (verbose) - { - printf("Configuration complete. Number of devs=%d:\n", ndevs); - for (s = devs; s != NIL ; s = s->next) - { - printf("Device %s (on %s)\n", s->name, s->device); - printf(" csr=0x%04x, irq=0x%04x, minor=%d\n", - s->csr, s->irq, s->minor); - } - } -} - -void yyerror(char *s) -{ - fprintf(stderr, "Syntax error in %s on line %d\n", doing, linectr); -} - -/* lookup -- lookup a name in the symbol table; return position */ -int lookup(char *str, int len) -{ - int i; - char *s; - - if (len >= CONFMAXNM) - { - len = CONFMAXNM-1; - fprintf(stderr, "warning: name %s truncated\n", str); - } - - s = (char *)malloc(len + 1); - strncpy(s, str, len); - s[len] = '\0'; - - for (i = 0; i < nsym; i++) - { - if ( strncmp(s, symtab[i].name, CONFMAXNM) == 0 ) - { return(i); } - } - - symtab[nsym].name = s; - symtab[nsym].occurs = 0; - - return nsym++; -} - -int config_atoi(char *p, int len) -{ - int base, rv; - - if (*p == '0') - { - ++p; - --len; - if (*p == 'x' || *p == 'X') - { - ++p; --len; /* skip 'x' */ - base = 16; - } - else - { - base = 8; - } - } - else - { - base = 10; - } - - rv = 0; - for (; len > 0; ++p, --len) - { - rv *= base; - if (isdigit(*p)) { rv += *p - '0'; } - else if (isupper(*p)) { rv += *p - 'A' + 10; } - else { rv += *p - 'a' + 10; } - } - - return rv; -} - -/* newattr -- add a new attribute spec to current type/device description */ -/* tok: token type (attribute type) */ -/* val: symbol number of value */ -void newattr(int tok, int val) -{ - struct dev_ent *s; - char *c; - - /* doing types */ - if (devs == NIL) { s = currtype; } - else { s = lastdv; } - - if (val>=0 && valcsr = val; break; - case IRQ: s->irq = val; break; - case INTR: strncpy(s->intr, c, CONFMAXNM); break; - case READ: strncpy(s->read, c, CONFMAXNM); break; - case WRITE: strncpy(s->write, c, CONFMAXNM); break; - case GETC: strncpy(s->getc, c, CONFMAXNM); break; - case PUTC: strncpy(s->putc, c, CONFMAXNM); break; - case OPEN: strncpy(s->open, c, CONFMAXNM); break; - case CLOSE: strncpy(s->close, c, CONFMAXNM); break; - case INIT: strncpy(s->init, c, CONFMAXNM); break; - case SEEK: strncpy(s->seek, c, CONFMAXNM); break; - case CONTROL: strncpy(s->control, c, CONFMAXNM); break; - default: fprintf(stderr, "Internal error 1\n"); - } -} - -/* cktname -- check type name for duplicates */ -int cktname(int symid) -{ - struct dev_ent *s; - char *name; - - name = symtab[symid].name; - for (s = ftypes; s != NIL; s = s->next) - { - if (s->tname == name) - { - fprintf(stderr, "Duplicate type name %s on line %d\n", - name, linectr); - exit(1); - } - } - - return symid; -} - -/* mktype -- make a node in the type list and initialize to defaults */ -void mktype(int deviceid) -{ - struct dev_ent *s, *p; - char *tn, *dn; - - p = NIL; - tn = symtab[currtname].name; - dn = symtab[deviceid].name; - for (s = ftypes; s != NIL ; s = s->next) - { - if (s->tname == tn && s->device==dn) - { - fprintf(stderr, "Duplicate device %s for type %s on line %d\n", - dn, tn, linectr); - exit(1); - } - p = s; - } - - currtype = s = (struct dev_ent *)malloc(sizeof(struct dev_ent)); - if (ftypes != NIL) { p->next = s; } - else { ftypes = s; } - - initattr(s, currtname, deviceid); -} - -/* initialize attributes in a type declaration node to typename... */ -void initattr(struct dev_ent *fstr, int tnum, int deviceid) -{ - fstr->name = NULL; - fstr->tname = symtab[tnum].name; - fstr->tnum = tnum; - fstr->device = symtab[deviceid].name; - fstr->csr = 0; - fstr->irq = 0; - strncpy(fstr->intr, "ioerr", 5); - strncpy(fstr->init, "ioerr", 5); - strncpy(fstr->open, "ioerr", 5); - strncpy(fstr->close, "ioerr", 5); - strncpy(fstr->read, "ioerr", 5); - strncpy(fstr->write, "ioerr", 5); - strncpy(fstr->control, "ioerr", 5); - strncpy(fstr->seek, "ioerr", 5); - strncpy(fstr->getc, "ioerr", 5); - strncpy(fstr->putc, "ioerr", 5); - fstr->minor = 0; -} - -/* mkdev -- make a node on the device list */ -void mkdev(int nameid, int typid, int deviceid) -{ - struct dev_ent *s; - char *devn, *tn, *dn; - int found; - - s = (struct dev_ent *)malloc(sizeof(struct dev_ent)); - s->next = NIL; - if (devs == NIL) - { - devs = s; - lastdv = s; - } - else - { - lastdv->next = s; - lastdv = s; - } - - ndevs++; - tn = symtab[typid].name; - devn = symtab[nameid].name; - - if (deviceid >= 0) { dn = symtab[deviceid].name; } - else { dn = NULL; } - - found = 0; - for (s = ftypes; s != NULL ; s = s->next) - { - if (s->tname == tn && (dn == NULL || s->device == dn)) - { - memcpy(lastdv, s, sizeof(struct dev_ent)); - found = 1; - break; - } - } - - if (found==0) - { - fprintf(stderr, - "Bad type or device name in declaration of %s on line %d\n", - devn, linectr); - exit(1); - } - - lastdv->next = NIL; - lastdv->name = devn; -} - - -/* chdname -- check for duplicate device name */ -int ckdname(int devid) -{ - struct dev_ent *s; - char *name; - - name = symtab[devid].name; - - for (s = devs; s != NIL; s = s->next) - { - if (s->name == name) - { - fprintf(stderr, "Duplicate device name %s on line %d\n", - name, linectr); - exit(1); - } - } - - return devid; -} diff --git a/device/tty/.ttyread.c.swp b/device/tty/.ttyread.c.swp new file mode 100644 index 0000000..4f91571 Binary files /dev/null and b/device/tty/.ttyread.c.swp differ diff --git a/include/conf.h b/include/conf.h index f504360..2887e55 100644 --- a/include/conf.h +++ b/include/conf.h @@ -27,44 +27,31 @@ extern struct dentry devtab[]; /* one entry per device */ #define CONSOLE 0 /* type tty */ #define NULLDEV 1 /* type null */ -#define ETHER0 2 /* type eth */ -#define NAMESPACE 3 /* type nam */ -#define RDISK 4 /* type rds */ -#define RAM0 5 /* type ram */ -#define RFILESYS 6 /* type rfs */ -#define RFILE0 7 /* type rfl */ -#define RFILE1 8 /* type rfl */ -#define RFILE2 9 /* type rfl */ -#define RFILE3 10 /* type rfl */ -#define RFILE4 11 /* type rfl */ -#define RFILE5 12 /* type rfl */ -#define RFILE6 13 /* type rfl */ -#define RFILE7 14 /* type rfl */ -#define RFILE8 15 /* type rfl */ -#define RFILE9 16 /* type rfl */ -#define LFILESYS 17 /* type lfs */ -#define LFILE0 18 /* type lfl */ -#define LFILE1 19 /* type lfl */ -#define LFILE2 20 /* type lfl */ -#define LFILE3 21 /* type lfl */ -#define LFILE4 22 /* type lfl */ -#define LFILE5 23 /* type lfl */ +#define NAMESPACE 2 /* type nam */ +#define RAM0 3 /* type ram */ +#define LFILESYS 4 /* type lfs */ +#define LFILE0 5 /* type lfl */ +#define LFILE1 6 /* type lfl */ +#define LFILE2 7 /* type lfl */ +#define LFILE3 8 /* type lfl */ +#define LFILE4 9 /* type lfl */ +#define LFILE5 10 /* type lfl */ +#define SERIAL0 11 /* type uart */ +#define LOOP0 12 /* type loopback */ /* Control block sizes */ #define Nnull 1 #define Ntty 1 -#define Neth 1 -#define Nrds 1 +#define Nuart 1 #define Nram 1 -#define Nrfs 1 -#define Nrfl 10 #define Nlfs 1 #define Nlfl 6 #define Nnam 1 +#define Nloopback 1 #define DEVMAXNAME 24 -#define NDEVS 24 +#define NDEVS 13 /* Configuration and Size Constants */ @@ -72,8 +59,7 @@ extern struct dentry devtab[]; /* one entry per device */ #define NPROC 100 /* number of user processes */ #define NSEM 100 /* number of semaphores */ #define IRQBASE 32 /* base ivec for IRQ0 */ -#define IRQ_TIMER IRQ_HW5 /* timer IRQ is wired to hardware 5 */ -#define IRQ_ATH_MISC IRQ_HW4 /* Misc. IRQ is wired to hardware 4 */ +#define IRQ_TIMER 4 #define CLKFREQ 200000000 /* 200 MHz clock */ #define LF_DISK_DEV RAM0 diff --git a/include/fs.h b/include/fs.h new file mode 100644 index 0000000..3e90347 --- /dev/null +++ b/include/fs.h @@ -0,0 +1,97 @@ +#include + +#ifndef FS_H +#define FS_H + +#define FILENAMELEN 32 +#define INODEBLOCKS 12 +#define INODEDIRECTBLOCKS (INODEBLOCKS - 2) +#define DIRECTORY_SIZE 16 + +#define MDEV_BLOCK_SIZE 512 +#define MDEV_NUM_BLOCKS 512 +#define DEFAULT_NUM_INODES (MDEV_NUM_BLOCKS / 4) +#define INODE_TYPE_FILE 1 +#define INODE_TYPE_DIR 2 + + +struct inode { + int id; + short int type; + short int nlink; + int device; + int size; + int blocks[INODEBLOCKS]; +}; + +#define FSTATE_CLOSED 0 +#define FSTATE_OPEN 1 + +/* Modes of file*/ +#define O_CREAT 11 + +/* Flags of file*/ +#define O_RDONLY 0 +#define O_WRONLY 1 +#define O_RDWR 2 + +struct filetable { + int state; + int fileptr; + struct dirent *de; + struct inode in; +}; + +struct dirent { + int inode_num; + char name[FILENAMELEN]; +}; + +struct directory { + int numentries; + struct dirent entry[DIRECTORY_SIZE]; +}; + +struct fsystem{ + int nblocks; + int blocksz; + int ninodes; + int inodes_used; + int freemaskbytes; + char *freemask; + struct directory root_dir; +}; + +/* file and directory functions */ +int fs_open(char *filename, int flags); +int fs_close(int fd); +int fs_create(char *filename, int mode); +int fs_seek(int fd, int offset); +int fs_read(int fd, void *buf, int nbytes); +int fs_write(int fd, void *buf, int nbytes); + +/* filesystem functions */ +int fs_mkfs(int dev, int num_inodes); +int fs_mount(int dev); + +/* filesystem internal functions */ +int fs_get_inode_by_num(int dev, int inode_number, struct inode *in); +int fs_put_inode_by_num(int dev, int inode_number, struct inode *in); +int fs_setmaskbit(int b); +int fs_clearmaskbit(int b); +int fs_getmaskbit(int b); + +/* + Block Store functions + bs_bread, bs_bwrite, +*/ +int bs_mkdev(int dev, int blocksize, int numblocks); +int bs_bread(int bsdev, int block, int offset, void *buf, int len); +int bs_bwrite(int bsdev, int block, int offset, void * buf, int len); + +/* debugging functions */ +void fs_printfreemask(void); +void fs_print_fsd(void); + +#endif +/* FS_H */ diff --git a/include/shprototypes.h b/include/shprototypes.h index 52a09eb..88a576c 100644 --- a/include/shprototypes.h +++ b/include/shprototypes.h @@ -81,3 +81,6 @@ extern shellcmd xsh_mmu (int32, char *[]); /* in file xsh_prodcons.c */ extern shellcmd xsh_prodcons (int32, char *[]); + +/* File systems */ +extern shellcmd xsh_fstest (int32, char *[]); diff --git a/shell/shell.c b/shell/shell.c index d8df648..8e2e4fe 100644 --- a/shell/shell.c +++ b/shell/shell.c @@ -26,6 +26,7 @@ const struct cmdent cmdtab[] = { {"test_mmu", FALSE, xsh_mmu}, {"hello", FALSE, xsh_hello}, {"prodcons", FALSE, xsh_prodcons}, + {"fstest", FALSE, xsh_fstest}, #ifdef ARM_BBB {"arp", FALSE, xsh_arp}, {"ipaddr", FALSE, xsh_ipaddr}, diff --git a/shell/xsh_fstest.c b/shell/xsh_fstest.c new file mode 100644 index 0000000..c25f032 --- /dev/null +++ b/shell/xsh_fstest.c @@ -0,0 +1,135 @@ +#include +#include +#include +#include +#include +#define SIZE 1200 + +void testbitmask(void); + +/** + * @ingroup shell + * + * Shell command fstest. + * @param nargs number of arguments in args array + * @param args array of arguments + * @return OK for success, SYSERR for syntax error + */ + shellcmd xsh_fstest(int nargs, char *args[]) +{ + int rval; + int fd, i, j; + char *buf1, *buf2; + + + /* Output help, if '--help' argument was supplied */ + if (nargs == 2 && strncmp(args[1], "--help", 7) == 0) + { + printf("Usage: %s\n\n", args[0]); + printf("Description:\n"); + printf("\tFilesystem Test\n"); + printf("Options:\n"); + printf("\t--help\tdisplay this help and exit\n"); + return OK; + } + + /* Check for correct number of arguments */ + if (nargs > 1) + { + fprintf(stderr, "%s: too many arguments\n", args[0]); + fprintf(stderr, "Try '%s --help' for more information\n", + args[0]); + return SYSERR; + } + if (nargs < 1) + { + fprintf(stderr, "%s: too few arguments\n", args[0]); + fprintf(stderr, "Try '%s --help' for more information\n", + args[0]); + return SYSERR; + } + +#ifdef FS + + bs_mkdev(0, MDEV_BLOCK_SIZE, MDEV_NUM_BLOCKS); /* device "0" and default blocksize (=0) and count */ + fs_mkfs(0,DEFAULT_NUM_INODES); /* bsdev 0*/ + fs_testbitmask(); + + buf1 = getmem(SIZE*sizeof(char)); + buf2 = getmem(SIZE*sizeof(char)); + + // Create test file + fd = fs_create("Test_File", O_CREAT); + + // Fill buffer with random stuff + for(i=0; i +#include + + + +extern int dev0_numblocks; +extern int dev0_blocksize; +extern char *dev0_blocks; +int dev0 = 0; + +#if FS + +int bs_mkdev(int dev, int blocksize, int numblocks) { + + if (dev != 0) { + printf("Unsupported device: %d\n", dev); + return SYSERR; + } + + if (blocksize != 0) { + dev0_blocksize = blocksize; + } + else { + dev0_blocksize = MDEV_BLOCK_SIZE; + } + + if (numblocks != 0) { + dev0_numblocks = numblocks; + } + else { + dev0_numblocks = MDEV_NUM_BLOCKS; + } + + if ( (dev0_blocks = getmem(dev0_numblocks * dev0_blocksize)) == (void *)SYSERR) { + printf("bs_mkdev getmemfailed\n"); + return SYSERR; + } + + return OK; + +} + +int +bs_bread(int dev, int block, int offset, void *buf, int len) { + char *bbase; + + if (dev != 0) { + printf("Unsupported device\n"); + return SYSERR; + } + if (offset >= dev0_blocksize) { + printf("Bad offset\n"); + return SYSERR; + } + + bbase = &dev0_blocks[block * dev0_blocksize]; + + memcpy(buf, (bbase+offset), len); + + return OK; + +} + + +int +bs_bwrite(int dev, int block, int offset, void * buf, int len) { + char *bbase; + + if (dev != 0) { + printf("Unsupported device\n"); + return SYSERR; + } + if (offset >= dev0_blocksize) { + printf("Bad offset\n"); + return SYSERR; + } + + bbase = &dev0_blocks[block * dev0_blocksize]; + + memcpy((bbase+offset), buf, len); + + return OK; + +} + +#endif +/* FS */ diff --git a/system/conf.c b/system/conf.c index b1f5014..6be7df9 100644 --- a/system/conf.c +++ b/system/conf.c @@ -24,7 +24,7 @@ struct dentry devtab[NDEVS] = (void *)ttyinit, (void *)ionull, (void *)ionull, (void *)ttyread, (void *)ttywrite, (void *)ioerr, (void *)ttygetc, (void *)ttyputc, (void *)ttycontrol, - (void *)0x44e09000, (void *)ttyhandler, 72 }, + (void *)0x0, (void *)ttyhandler, 72 }, /* NULLDEV is null */ { 1, 0, "NULLDEV", @@ -33,157 +33,80 @@ struct dentry devtab[NDEVS] = (void *)ionull, (void *)ionull, (void *)ioerr, (void *)0x0, (void *)ioerr, 0 }, -/* ETHER0 is eth */ - { 2, 0, "ETHER0", - (void *)ethinit, (void *)ioerr, (void *)ioerr, - (void *)ethread, (void *)ethwrite, (void *)ioerr, - (void *)ioerr, (void *)ioerr, (void *)ethcontrol, - (void *)0x0, (void *)ethhandler, 0 }, - /* NAMESPACE is nam */ - { 3, 0, "NAMESPACE", + { 2, 0, "NAMESPACE", (void *)naminit, (void *)namopen, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)0x0, (void *)ioerr, 0 }, -/* RDISK is rds */ - { 4, 0, "RDISK", - (void *)rdsinit, (void *)rdsopen, (void *)rdsclose, - (void *)rdsread, (void *)rdswrite, (void *)ioerr, - (void *)ioerr, (void *)ioerr, (void *)rdscontrol, - (void *)0x0, (void *)ionull, 0 }, - /* RAM0 is ram */ - { 5, 0, "RAM0", + { 3, 0, "RAM0", (void *)raminit, (void *)ramopen, (void *)ramclose, (void *)ramread, (void *)ramwrite, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)0x0, (void *)ionull, 0 }, -/* RFILESYS is rfs */ - { 6, 0, "RFILESYS", - (void *)rfsinit, (void *)rfsopen, (void *)ioerr, - (void *)ioerr, (void *)ioerr, (void *)ioerr, - (void *)ioerr, (void *)ioerr, (void *)rfscontrol, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE0 is rfl */ - { 7, 0, "RFILE0", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE1 is rfl */ - { 8, 1, "RFILE1", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE2 is rfl */ - { 9, 2, "RFILE2", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE3 is rfl */ - { 10, 3, "RFILE3", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE4 is rfl */ - { 11, 4, "RFILE4", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE5 is rfl */ - { 12, 5, "RFILE5", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE6 is rfl */ - { 13, 6, "RFILE6", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE7 is rfl */ - { 14, 7, "RFILE7", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE8 is rfl */ - { 15, 8, "RFILE8", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - -/* RFILE9 is rfl */ - { 16, 9, "RFILE9", - (void *)rflinit, (void *)ioerr, (void *)rflclose, - (void *)rflread, (void *)rflwrite, (void *)rflseek, - (void *)rflgetc, (void *)rflputc, (void *)ioerr, - (void *)0x0, (void *)ionull, 0 }, - /* LFILESYS is lfs */ - { 17, 0, "LFILESYS", + { 4, 0, "LFILESYS", (void *)lfsinit, (void *)lfsopen, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)ioerr, (void *)0x0, (void *)ionull, 0 }, /* LFILE0 is lfl */ - { 18, 0, "LFILE0", + { 5, 0, "LFILE0", (void *)lflinit, (void *)ioerr, (void *)lflclose, (void *)lflread, (void *)lflwrite, (void *)lflseek, (void *)lflgetc, (void *)lflputc, (void *)lflcontrol, (void *)0x0, (void *)ionull, 0 }, /* LFILE1 is lfl */ - { 19, 1, "LFILE1", + { 6, 1, "LFILE1", (void *)lflinit, (void *)ioerr, (void *)lflclose, (void *)lflread, (void *)lflwrite, (void *)lflseek, (void *)lflgetc, (void *)lflputc, (void *)lflcontrol, (void *)0x0, (void *)ionull, 0 }, /* LFILE2 is lfl */ - { 20, 2, "LFILE2", + { 7, 2, "LFILE2", (void *)lflinit, (void *)ioerr, (void *)lflclose, (void *)lflread, (void *)lflwrite, (void *)lflseek, (void *)lflgetc, (void *)lflputc, (void *)lflcontrol, (void *)0x0, (void *)ionull, 0 }, /* LFILE3 is lfl */ - { 21, 3, "LFILE3", + { 8, 3, "LFILE3", (void *)lflinit, (void *)ioerr, (void *)lflclose, (void *)lflread, (void *)lflwrite, (void *)lflseek, (void *)lflgetc, (void *)lflputc, (void *)lflcontrol, (void *)0x0, (void *)ionull, 0 }, /* LFILE4 is lfl */ - { 22, 4, "LFILE4", + { 9, 4, "LFILE4", (void *)lflinit, (void *)ioerr, (void *)lflclose, (void *)lflread, (void *)lflwrite, (void *)lflseek, (void *)lflgetc, (void *)lflputc, (void *)lflcontrol, (void *)0x0, (void *)ionull, 0 }, /* LFILE5 is lfl */ - { 23, 5, "LFILE5", + { 10, 5, "LFILE5", (void *)lflinit, (void *)ioerr, (void *)lflclose, (void *)lflread, (void *)lflwrite, (void *)lflseek, (void *)lflgetc, (void *)lflputc, (void *)lflcontrol, - (void *)0x0, (void *)ionull, 0 } + (void *)0x0, (void *)ionull, 0 }, + +/* SERIAL0 is uart */ + { 11, 0, "SERIAL0", + (void *)uartInit, (void *)ionull, (void *)ionull, + (void *)uartRead, (void *)uartWrite, (void *)ioerr, + (void *)uartGetc, (void *)uartPutc, (void *)uartControl, + (void *)0x101f1000, (void *)uartInterrupt, 12 }, + +/* LOOP0 is loopback */ + { 12, 0, "LOOP0", + (void *)loopbackInit, (void *)loopbackOpen, (void *)loopbackClose, + (void *)loopbackRead, (void *)loopbackWrite, (void *)ioerr, + (void *)loopbackGetc, (void *)loopbackPutc, (void *)loopbackControl, + (void *)0x0, (void *)ioerr, 0 } }; diff --git a/system/fs.c b/system/fs.c new file mode 100755 index 0000000..2c5f776 --- /dev/null +++ b/system/fs.c @@ -0,0 +1,521 @@ +#include +#include + + +#if FS + +static struct fsystem fsd; +int dev0_numblocks; +int dev0_blocksize; +char *dev0_blocks; + +extern int dev0; + +char block_cache[512]; + +#define DEBUG 0 + +#define SB_BLK 0 +#define BM_BLK 1 +#define RT_BLK 2 + +#define NUM_FD 16 +struct filetable oft[NUM_FD]; +int next_open_fd = 0; + + +#define INODES_PER_BLOCK (fsd.blocksz / sizeof(struct inode)) +#define NUM_INODE_BLOCKS (( (fsd.ninodes % INODES_PER_BLOCK) == 0) ? fsd.ninodes / INODES_PER_BLOCK : (fsd.ninodes / INODES_PER_BLOCK) + 1) +#define FIRST_INODE_BLOCK 2 + +int inode_id=1; + +int fileblock_to_diskblock(int dev, int fd, int fileblock); + +int get_next_free_block(){ + int i,block; + //might as well search linearly + for(i=0;i=0 && flags<=2){ + //get root dir: + struct directory dir=fsd.root_dir; + //check if file name is valid. i.e., no file with same name exists + int i,fileloc=-1; + for(i=0;iname, filename); + struct inode in; + //read file metadata inode: + fs_get_inode_by_num(0,ft.de->inode_num,&in); + //printf("in.id=%d\n",ft.de->inode_num); + //cp in to ft: + memcpy(&(ft.in),&in,sizeof(struct inode)); + //copy ft to oft: + memcpy(oft+fd,&ft,sizeof(struct filetable)); + +#if 0 + printf("debug: file %s opened. fd=%d,oft[%d].state=%d\n\r",filename,fd,fd,oft[fd].state); + printf("debug: open: ft.de->ft.in.blocks[0]=%d\n\r",ft.in.blocks[0]); +#endif + + return fd; + } + else return SYSERR; +} +int fs_close(int fd) +{ + // check if fd is valid + if ((fd > next_open_fd) || (fd < 0)){ + fprintf(stderr, "fs::fs_close: not valid fd\n\r"); + return SYSERR; + } + + oft[fd].state = FSTATE_CLOSED; + return OK; +} +int fs_create(char *filename, int mode) +{ + if(mode==O_CREAT){ + //get root dir: + struct directory dir=fsd.root_dir; + //check if file name is valid. i.e., no file with same name exists + int i; + for(i=0;iname, filename); + //write back to rootdir + memcpy(&(fsd.root_dir),&dir,sizeof(struct directory)); + struct inode in; + in.id=inode_id++; + in.type=INODE_TYPE_FILE; + //write inode + fs_put_inode_by_num(0,in.id,&in); + //mark destination block: + int bl = in.id / INODES_PER_BLOCK; + bl += FIRST_INODE_BLOCK; + fs_setmaskbit(bl); + //write inode to filetable + memcpy(&(ft.in),&in,sizeof(struct inode)); + //write inode_id to dirent:inode_num + memcpy(&(ft.de->inode_num),&(in.id),sizeof(int)); + memcpy(&(fsd.root_dir.entry[dir.numentries-1].inode_num),&(in.id),sizeof(int)); + //copy ft to oft: + memcpy(oft+fd,&ft,sizeof(struct filetable)); + //update fsystem + fsd.inodes_used++; +#if 0 + printf("debug: create:fsd.root_dir.entry[dir.numentries-1].inode_num=%d\n\r",fsd.root_dir.entry[dir.numentries-1].inode_num); + printf("debug: file %s created. fd=%d,oft[%d].state=%d,ft.in.id=%d\n\r",filename,fd,fd,oft[fd].state,ft.in.id); +#endif + + return fd; + } + else return SYSERR; +} +int fs_seek(int fd, int offset) +{ + //first, get the file table entry: + struct filetable ft=oft[fd]; + //update fileptr + offset=ft.fileptr+offset; + if(offset<0){ + fprintf(stderr,"fs::fs_seek: offset exceeds file boundary. resetting pointer to beginning of file\n\r"); + offset=0; + } + memcpy(&((oft+fd)->fileptr),&offset,sizeof(int)); + return fd; +} +int fs_read(int fd, void *buf, int nbytes) +{ + //printf("fd at fs_read=%d\n",fd); + int orig_nbytes=nbytes; + //first, get the file table entry: + struct filetable ft=oft[fd]; + if(ft.state==FSTATE_CLOSED){ + fprintf(stderr, "error %d. fs::fs_read(): invalid descriptor.\n\r",ft.state); + return 0; + } + struct inode in = ft.in; + //calculate inode block for fileptr: + int inodeblk= (ft.fileptr / fsd.blocksz); + int inodeoffset=(ft.fileptr % fsd.blocksz); + if (inodeblk0){ + //if all data we want is in same block + if(nbytes<(fsd.blocksz-inodeoffset)){ + bs_bread(0,dst_blk,inodeoffset,buf,nbytes); + //printf("debug:read:buf=%s,dst_blk=%d,inodeoffset=%d\n",buf,dst_blk,inodeoffset); + //incr fileptr: + ft.fileptr+=nbytes; + buf+=nbytes; + nbytes=0; + return orig_nbytes; + } + else{ + if(inodeblk==INODEBLOCKS-1){ + fprintf(stderr, "fs::fs_read(): requested bytes exceeds limit, wrote valid values only.\n\r"); + return orig_nbytes-nbytes; + } + bs_bread(0,dst_blk,inodeoffset,buf,fsd.blocksz-inodeoffset); +#if 0 + printf("debug:fs_read:inodeoffset=%d,nbytes=%d,inodeblk=%d,dst_blk=%d\n",inodeoffset,nbytes,inodeblk,dst_blk); +#endif + buf+=(fsd.blocksz-inodeoffset); + nbytes-=(fsd.blocksz-inodeoffset); + ft.fileptr+=(fsd.blocksz-inodeoffset); + //write ft to oft + memcpy(oft+fd,&ft,sizeof(struct filetable)); + //cross over to next block + dst_blk=in.blocks[++inodeblk]; + inodeoffset=0; + } + } + } + return orig_nbytes-nbytes; +} +/** + * return size wrote + */ +int fs_write(int fd, void *buf, int nbytes) +{ + int orig_nbytes=nbytes; + //first, get the file table entry: + struct filetable ft=oft[fd]; +#if 0 + printf("debug:write:fd=%d\n\r",fd); +#endif + + if(ft.state==FSTATE_CLOSED){ + fprintf(stderr, "error %d. fs::fs_write(): invalid descriptor.\n\r",ft.state); + return 0; + } + struct inode in = ft.in; + //calculate inode block for fileptr: + int inodeblk= (ft.fileptr / fsd.blocksz); + int inodeoffset=(ft.fileptr % fsd.blocksz); + if (inodeblk0){ +#if 0 + printf("ft.in.id=%d\n",ft.in.id); +#endif + if(in.blocks[inodeblk]==0){ + //alloc new block + dst_blk=get_next_free_block(); + memcpy(in.blocks+inodeblk,&dst_blk,sizeof(int)); +#if 0 + printf("in.blocks[inodeblk]=%d,expected:%d\n\r",in.blocks[inodeblk],dst_blk); + +#endif + //copy in back to ft.in: + memcpy(&((oft+fd)->in),&(in),sizeof(struct inode)); + ft.in=in; + //write in back to the inode on disk + fs_put_inode_by_num(0,in.id,&in); +#if 0 + struct inode temp; + fs_get_inode_by_num(0,in.id,&temp); + printf("write. updated inode %d, inode.block[0]=%d\n",temp.id,temp.blocks[0]); +#endif + //mark that block as visited... + fs_setmaskbit(dst_blk); + } + else if(in.blocks[inodeblk]>0){ + dst_blk=in.blocks[inodeblk]; + } + //if all data we want to write can be put in same block + if(nbytes<(fsd.blocksz-inodeoffset)){ + bs_bwrite(0,dst_blk,inodeoffset,buf,nbytes); + //incr fileptr: + ft.fileptr+=nbytes; + nbytes=0; + //write to oft: + memcpy(oft+fd,&ft,sizeof(struct filetable)); + return orig_nbytes; + } + else{ + if(inodeblk==INODEBLOCKS-1){ + fprintf(stderr, "fs::fs_write(): requested bytes exceeds limit, wrote valid values only.\n\r"); + return orig_nbytes-nbytes; + } + bs_bwrite(0,dst_blk,inodeoffset,buf,fsd.blocksz-inodeoffset); +#if 0 + printf("debug:fs_write:inodeoffset=%d,nbytes=%d,inodeblk=%d,dstblk=%d\n\r",inodeoffset,nbytes,inodeblk,dst_blk); + char tempbuf[512]; + memcpy(tempbuf,buf,512); + printf("debug:wrote:%s\n\r",tempbuf); +#endif + + buf+=(fsd.blocksz-inodeoffset); + nbytes-=(fsd.blocksz-inodeoffset); + ft.fileptr+=(fsd.blocksz-inodeoffset); + //write to oft: + memcpy(oft+fd,&ft,sizeof(struct filetable)); + //cross over to next block + //dst_blk=in.blocks[++inodeblk]; + inodeblk++; + inodeoffset=0; + } + } + } + return orig_nbytes-nbytes; +} + + +int fs_mkfs(int dev, int num_inodes) { + int i; + + if (dev == 0) { + fsd.nblocks = dev0_numblocks; + fsd.blocksz = dev0_blocksize; + } + else { + printf("Unsupported device\n"); + return SYSERR; + } + + if (num_inodes < 1) { + fsd.ninodes = DEFAULT_NUM_INODES; + } + else { + fsd.ninodes = num_inodes; + } + + i = fsd.nblocks; + while ( (i % 8) != 0) {i++;} + fsd.freemaskbytes = i / 8; + + if ((fsd.freemask = getmem(fsd.freemaskbytes)) == (void *)SYSERR) { + printf("fs_mkfs getmem failed.\n"); + return SYSERR; + } + + /* zero the free mask */ + for(i=0;i= INODEBLOCKS - 2) { + printf("No indirect block support\n"); + return SYSERR; + } + + diskblock = oft[fd].in.blocks[fileblock]; //get the logical block address + + return diskblock; +} + +/* read in an inode and fill in the pointer */ +int +fs_get_inode_by_num(int dev, int inode_number, struct inode *in) { + int bl, inn; + int inode_off; + + if (dev != 0) { + printf("Unsupported device\n"); + return SYSERR; + } + if (inode_number > fsd.ninodes) { + printf("fs_get_inode_by_num: inode %d out of range\n", inode_number); + return SYSERR; + } + + bl = inode_number / INODES_PER_BLOCK; + inn = inode_number % INODES_PER_BLOCK; + bl += FIRST_INODE_BLOCK; + + inode_off = inn * sizeof(struct inode); + + /* + printf("in_no: %d = %d/%d\n", inode_number, bl, inn); + printf("inn*sizeof(struct inode): %d\n", inode_off); + */ + + bs_bread(dev0, bl, 0, &block_cache[0], fsd.blocksz); + memcpy(in, &block_cache[inode_off], sizeof(struct inode)); + + return OK; + +} + +int +fs_put_inode_by_num(int dev, int inode_number, struct inode *in) { + int bl, inn; + + if (dev != 0) { + printf("Unsupported device\n"); + return SYSERR; + } + if (inode_number > fsd.ninodes) { + printf("fs_put_inode_by_num: inode %d out of range\n", inode_number); + return SYSERR; + } + + bl = inode_number / INODES_PER_BLOCK; + inn = inode_number % INODES_PER_BLOCK; + bl += FIRST_INODE_BLOCK; + + /* + printf("in_no: %d = %d/%d\n", inode_number, bl, inn); + */ + + bs_bread(dev0, bl, 0, block_cache, fsd.blocksz); + memcpy(&block_cache[(inn*sizeof(struct inode))], in, sizeof(struct inode)); + bs_bwrite(dev0, bl, 0, block_cache, fsd.blocksz); + + return OK; +} + +/* specify the block number to be set in the mask */ +int fs_setmaskbit(int b) { + int mbyte, mbit; + mbyte = b / 8; + mbit = b % 8; + + fsd.freemask[mbyte] |= (0x80 >> mbit); + return OK; +} + +/* specify the block number to be read in the mask */ +int fs_getmaskbit(int b) { + int mbyte, mbit; + mbyte = b / 8; + mbit = b % 8; + + return( ( (fsd.freemask[mbyte] << mbit) & 0x80 ) >> 7); + return OK; + +} + +/* specify the block number to be unset in the mask */ +int fs_clearmaskbit(int b) { + int mbyte, mbit, invb; + mbyte = b / 8; + mbit = b % 8; + + invb = ~(0x80 >> mbit); + invb &= 0xFF; + + fsd.freemask[mbyte] &= invb; + return OK; +} + +/* This is maybe a little overcomplicated since the lowest-numbered + block is indicated in the high-order bit. Shift the byte by j + positions to make the match in bit7 (the 8th bit) and then shift + that value 7 times to the low-order bit to print. Yes, it could be + the other way... */ +void fs_printfreemask(void) { + int i,j; + + for (i=0; i < fsd.freemaskbytes; i++) { + for (j=0; j < 8; j++) { + printf("%d", ((fsd.freemask[i] << j) & 0x80) >> 7); + } + if ( (i % 8) == 7) { + printf("\n"); + } + } + printf("\n"); +} + +#endif /* FS */