static int parse() { char *arg = cmd; char *ep, *p, *q; char unit; size_t len; const char *cp; #if 0 int c, i, j; #else int c, i; #endif while ((c = *arg++)) { if (c == ' ' || c == '\t' || c == '\n') continue; for (p = arg; *p && *p != '\n' && *p != ' ' && *p != '\t'; p++); ep = p; if (*p) *p++ = 0; if (c == '-') { while ((c = *arg++)) { if (c == 'P') { cp = "yes"; #if 0 } else { opts |= OPT_SET(RBX_DUAL) | OPT_SET(RBX_SERIAL); cp = "no"; } #endif printf("Keyboard: %s\n", cp); continue; #if 0 } else if (c == 'S') { j = 0; while ((unsigned int)(i = *arg++ - '0') <= 9) j = j * 10 + i; if (j > 0 && i == -'0') { comspeed = j; break; } /* Fall through to error below ('S' not in optstr[]). */ #endif } for (i = 0; c != optstr[i]; i++) if (i == NOPT - 1) return -1; opts ^= OPT_SET(flags[i]); } ioctrl = OPT_CHECK(RBX_DUAL) ? (IO_SERIAL|IO_KEYBOARD) : OPT_CHECK(RBX_SERIAL) ? IO_SERIAL : IO_KEYBOARD; #if 0 if (ioctrl & IO_SERIAL) { if (sio_init(115200 / comspeed) != 0) ioctrl &= ~IO_SERIAL; } #endif } else {
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++// //+ //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++// int option_detect(int argc, char **argv, struct option_info *info){ int i; for(i=1;i<argc;i++){ OPT_CHECK(command, argv[i], info); OPT_CHECK(mode, argv[i], info); OPT_CHECK(type, argv[i], info); OPT_CHECK(debounce, argv[i], info); OPT_CHECK(handler, argv[i], info); printf("unknown option: %s\n",argv[i]); return -1; } switch(info->command){ case OPT_SET: if(info->gpio_no == COM_SUB_ALL) NOT_MATCH_OPT(command); switch(info->mode){ case MODE_SUB_INPUT: switch(info->type){ case TYPE_SUB_LOW: case TYPE_SUB_HIGH: NOT_MATCH_OPT(type); return -1; } if(info->handler == NULL){ if(info->type){ IGNORE_OPT(type, info); } if(info->debounce) { IGNORE_OPT(debounce, info); } } break; case MODE_SUB_OUTPUT: switch(info->type){ case TYPE_SUB_LOW_LEVEL: case TYPE_SUB_HIGH_LEVEL: case TYPE_SUB_FALLING_EDGE: case TYPE_SUB_RISING_EDGE: NOT_MATCH_OPT(type); return -1; } if(info->debounce){ IGNORE_OPT(debounce, info); } if(info->handler){ IGNORE_OPT(handler, info); } break; } break; case OPT_GET: if(info->mode){ IGNORE_OPT(mode, info); } if(info->type){ IGNORE_OPT(type, info); } if(info->debounce){ IGNORE_OPT(debounce, info); } if(info->handler){ IGNORE_OPT(handler, info); } break; } return 0; }
void fold_stmt_if(stmt *s) { symtable *test_symtab = fold_stmt_test_init_expr(s, "if"); fold_expr(s->expr, test_symtab); fold_need_expr(s->expr, s->f_str(), 1); OPT_CHECK(s->expr, "constant expression in if"); fold_stmt(s->lhs); if(s->rhs) fold_stmt(s->rhs); }
int xgetc(int fn) { if (OPT_CHECK(RBX_NOINTR)) return (0); for (;;) { if (ioctrl & IO_KEYBOARD && getc(1)) return (fn ? 1 : getc(0)); if (ioctrl & IO_SERIAL && sio_ischar()) return (fn ? 1 : sio_getc()); if (fn) return (0); } /* NOTREACHED */ }
void fold_stmt_for(stmt *s) { s->lbl_break = asm_label_flow("for_start"); s->lbl_continue = asm_label_flow("for_contiune"); if(s->flow->for_init_decls){ expr *init_exp = fold_for_if_init_decls(s); UCC_ASSERT(!s->flow->for_init, "for init in c99 for-decl mode"); s->flow->for_init = init_exp; } #define FOLD_IF(x) if(x) fold_expr(x, s->flow->for_init_symtab) FOLD_IF(s->flow->for_init); FOLD_IF(s->flow->for_while); FOLD_IF(s->flow->for_inc); #undef FOLD_IF if(s->flow->for_while){ fold_need_expr(s->flow->for_while, "for-while", 1); OPT_CHECK(s->flow->for_while, "constant expression in for"); } fold_stmt(s->lhs); /* * need an extra generation for for_init, * since it's generated unlike other loops (symtab_new() in parse.c) */ gen_code_decls(s->flow->for_init_symtab); #ifdef SYMTAB_DEBUG fprintf(stderr, "for-code st:\n"); PRINT_STAB(s->lhs, 1); fprintf(stderr, "for-init st:\n"); print_stab(s->flow->for_init_symtab, 0, NULL); fprintf(stderr, "for enclosing scope st:\n"); PRINT_STAB(s, 0); #endif }
int main(void) { int autoboot, c = 0; ufs_ino_t ino; dmadat = (void *)(0x20000000 + (16 << 20)); board_init(); autoboot = 1; /* Process configuration file */ if ((ino = lookup(PATH_CONFIG)) || (ino = lookup(PATH_DOTCONFIG))) fsread(ino, cmd, sizeof(cmd)); if (*cmd) { if (parse()) autoboot = 0; printf("%s: %s\n", PATH_CONFIG, cmd); /* Do not process this command twice */ *cmd = 0; } if (*kname == '\0') strcpy(kname, PATH_KERNEL); /* Present the user with the boot2 prompt. */ for (;;) { printf("\nDefault: %s\nboot: ", kname); if (!autoboot || (OPT_CHECK(RBX_NOINTR) == 0 && (c = getc(2)) != 0)) getstr(c); xputchar('\n'); autoboot = 0; c = 0; if (parse()) xputchar('\a'); else load(); } return (1); }
int keyhit(unsigned int secs) { uint32_t t0, t1; if (OPT_CHECK(RBX_NOINTR)) return (0); secs *= SECOND; t0 = 0; for (;;) { if (xgetc(1)) return (1); if (secs > 0) { t1 = *(uint32_t *)PTOV(0x46c); if (!t0) t0 = t1; if (t1 < t0 || t1 >= t0 + secs) return (0); } } /* NOTREACHED */ }
static int parse() { char *arg = cmd; char *ep, *p, *q; const char *cp; unsigned int drv; int c, i, j; size_t k; while ((c = *arg++)) { if (c == ' ' || c == '\t' || c == '\n') continue; for (p = arg; *p && *p != '\n' && *p != ' ' && *p != '\t'; p++); ep = p; if (*p) *p++ = 0; if (c == '-') { while ((c = *arg++)) { if (c == 'P') { if (*(uint8_t *)PTOV(0x496) & 0x10) { cp = "yes"; } else { opts |= OPT_SET(RBX_DUAL) | OPT_SET(RBX_SERIAL); cp = "no"; } printf("Keyboard: %s\n", cp); continue; #if SERIAL } else if (c == 'S') { j = 0; while ((unsigned int)(i = *arg++ - '0') <= 9) j = j * 10 + i; if (j > 0 && i == -'0') { comspeed = j; break; } /* Fall through to error below ('S' not in optstr[]). */ #endif } for (i = 0; c != optstr[i]; i++) if (i == NOPT - 1) return -1; opts ^= OPT_SET(flags[i]); } #if SERIAL ioctrl = OPT_CHECK(RBX_DUAL) ? (IO_SERIAL|IO_KEYBOARD) : OPT_CHECK(RBX_SERIAL) ? IO_SERIAL : IO_KEYBOARD; if (DO_SIO) { if (sio_init(115200 / comspeed) != 0) ioctrl &= ~IO_SERIAL; } #endif } else { for (q = arg--; *q && *q != '('; q++); if (*q) { drv = -1; if (arg[1] == ':') { drv = *arg - '0'; if (drv > 9) return (-1); arg += 2; } if (q - arg != 2) return -1; for (i = 0; arg[0] != dev_nm[i][0] || arg[1] != dev_nm[i][1]; i++) if (i == NDEV - 1) return -1; dsk.type = i; arg += 3; dsk.unit = *arg - '0'; if (arg[1] != ',' || dsk.unit > 9) return -1; arg += 2; dsk.slice = WHOLE_DISK_SLICE; if (arg[1] == ',') { dsk.slice = *arg - '0' + 1; if (dsk.slice > NDOSPART + 1) return -1; arg += 2; } if (arg[1] != ')') return -1; dsk.part = *arg - 'a'; if (dsk.part > 7) return (-1); arg += 2; if (drv == -1) drv = dsk.unit; dsk.drive = (dsk.type <= TYPE_MAXHARD ? DRV_HARD : 0) + drv; dsk_meta = 0; } k = ep - arg; if (k > 0) { if (k >= sizeof(knamebuf)) return -1; memcpy(knamebuf, arg, k + 1); kname = knamebuf; } } arg = p; } return 0; }
int main(void) { uint8_t autoboot; ufs_ino_t ino; size_t nbyte; dmadat = (void *)(roundup2(__base + (int32_t)&_end, 0x10000) - __base); v86.ctl = V86_FLAGS; v86.efl = PSL_RESERVED_DEFAULT | PSL_I; dsk.drive = *(uint8_t *)PTOV(ARGS); dsk.type = dsk.drive & DRV_HARD ? TYPE_AD : TYPE_FD; dsk.unit = dsk.drive & DRV_MASK; dsk.slice = *(uint8_t *)PTOV(ARGS + 1) + 1; bootinfo.bi_version = BOOTINFO_VERSION; bootinfo.bi_size = sizeof(bootinfo); /* Process configuration file */ autoboot = 1; if ((ino = lookup(PATH_CONFIG)) || (ino = lookup(PATH_DOTCONFIG))) { nbyte = fsread(ino, cmd, sizeof(cmd) - 1); cmd[nbyte] = '\0'; } if (*cmd) { memcpy(cmddup, cmd, sizeof(cmd)); if (parse()) autoboot = 0; if (!OPT_CHECK(RBX_QUIET)) printf("%s: %s", PATH_CONFIG, cmddup); /* Do not process this command twice */ *cmd = 0; } /* * Try to exec stage 3 boot loader. If interrupted by a keypress, * or in case of failure, try to load a kernel directly instead. */ if (!kname) { kname = PATH_BOOT3; if (autoboot && !keyhit(3*SECOND)) { load(); kname = PATH_KERNEL; } } /* Present the user with the boot2 prompt. */ for (;;) { if (!autoboot || !OPT_CHECK(RBX_QUIET)) printf("\nFreeBSD/x86 boot\n" "Default: %u:%s(%u,%c)%s\n" "boot: ", dsk.drive & DRV_MASK, dev_nm[dsk.type], dsk.unit, 'a' + dsk.part, kname); if (DO_SIO) sio_flush(); if (!autoboot || keyhit(3*SECOND)) getstr(); else if (!autoboot || !OPT_CHECK(RBX_QUIET)) putchar('\n'); autoboot = 0; if (parse()) putchar('\a'); else load(); } }
int main(void) { int autoboot; ino_t ino; dmadat = (void *)(roundup2(__base + (int32_t)&_end, 0x10000) - __base); v86.ctl = V86_FLAGS; v86.efl = PSL_RESERVED_DEFAULT | PSL_I; dsk.drive = *(uint8_t *)PTOV(ARGS); dsk.type = dsk.drive & DRV_HARD ? TYPE_AD : TYPE_FD; dsk.unit = dsk.drive & DRV_MASK; dsk.part = -1; bootinfo.bi_version = BOOTINFO_VERSION; bootinfo.bi_size = sizeof(bootinfo); bootinfo.bi_basemem = 0; /* XXX will be filled by loader or kernel */ bootinfo.bi_extmem = memsize(); bootinfo.bi_memsizes_valid++; /* Process configuration file */ autoboot = 1; if ((ino = lookup(PATH_CONFIG))) fsread(ino, cmd, sizeof(cmd)); if (*cmd) { memcpy(cmddup, cmd, sizeof(cmd)); if (parse()) autoboot = 0; if (!OPT_CHECK(RBX_QUIET)) printf("%s: %s", PATH_CONFIG, cmddup); /* Do not process this command twice */ *cmd = 0; } /* * Try to exec stage 3 boot loader. If interrupted by a keypress, * or in case of failure, try to load a kernel directly instead. */ if (autoboot && !*kname) { memcpy(kname, PATH_BOOT3, sizeof(PATH_BOOT3)); if (!keyhit(3*SECOND)) { load(); memcpy(kname, PATH_KERNEL, sizeof(PATH_KERNEL)); } } /* Present the user with the boot2 prompt. */ for (;;) { if (!autoboot || !OPT_CHECK(RBX_QUIET)) printf("\nFreeBSD/x86 boot\n" "Default: %u:%s(%up%u)%s\n" "boot: ", dsk.drive & DRV_MASK, dev_nm[dsk.type], dsk.unit, dsk.part, kname); if (ioctrl & IO_SERIAL) sio_flush(); if (!autoboot || keyhit(5*SECOND)) getstr(); else if (!autoboot || !OPT_CHECK(RBX_QUIET)) putchar('\n'); autoboot = 0; if (parse()) putchar('\a'); else load(); } }
int main(u_int argc, const char *argv[], const char *envv[], uint64_t memsize) { uint8_t autoboot; ufs_ino_t ino; size_t nbyte; /* Arguments from Miniboot. */ beri_argc = argc; beri_argv = argv; beri_envv = envv; beri_memsize = memsize; dmadat = &__dmadat; #if 0 /* XXXRW: more here. */ v86.ctl = V86_FLAGS; v86.efl = PSL_RESERVED_DEFAULT | PSL_I; dsk.drive = *(uint8_t *)PTOV(ARGS); #endif dsk.type = TYPE_DEFAULT; #if 0 dsk.unit = dsk.drive & DRV_MASK; dsk.slice = *(uint8_t *)PTOV(ARGS + 1) + 1; #endif bootinfo.bi_version = BOOTINFO_VERSION; bootinfo.bi_size = sizeof(bootinfo); /* Process configuration file */ autoboot = 1; if ((ino = lookup(PATH_CONFIG)) || (ino = lookup(PATH_DOTCONFIG))) { nbyte = fsread(ino, cmd, sizeof(cmd) - 1); cmd[nbyte] = '\0'; } if (*cmd) { memcpy(cmddup, cmd, sizeof(cmd)); if (parse()) autoboot = 0; if (!OPT_CHECK(RBX_QUIET)) printf("%s: %s", PATH_CONFIG, cmddup); /* Do not process this command twice */ *cmd = 0; } /* * Try to exec stage 3 boot loader. If interrupted by a keypress, * or in case of failure, try to load a kernel directly instead. */ if (!kname) { kname = PATH_LOADER; if (autoboot && !keyhit(3*SECOND)) { boot_fromfs(); kname = PATH_KERNEL; } } /* Present the user with the boot2 prompt. */ for (;;) { if (!autoboot || !OPT_CHECK(RBX_QUIET)) printf("\nFreeBSD/mips boot\n" "Default: %s%ju:%s\n" "boot: ", dev_nm[dsk.type], dsk.unitptr, kname); #if 0 if (ioctrl & IO_SERIAL) sio_flush(); #endif if (!autoboot || keyhit(3*SECOND)) getstr(); else if (!autoboot || !OPT_CHECK(RBX_QUIET)) putchar('\n'); autoboot = 0; if (parse()) putchar('\a'); else load(); } }
static int parse(char *cmdstr, int *dskupdated) { char *arg = cmdstr; char *ep, *p, *q; const char *cp; unsigned int drv; int c, i, j; *dskupdated = 0; while ((c = *arg++)) { if (c == ' ' || c == '\t' || c == '\n') continue; for (p = arg; *p && *p != '\n' && *p != ' ' && *p != '\t'; p++); ep = p; if (*p) *p++ = 0; if (c == '-') { while ((c = *arg++)) { if (c == 'P') { if (*(uint8_t *)PTOV(0x496) & 0x10) { cp = "yes"; } else { opts |= OPT_SET(RBX_DUAL) | OPT_SET(RBX_SERIAL); cp = "no"; } printf("Keyboard: %s\n", cp); continue; } else if (c == 'S') { j = 0; while ((unsigned int)(i = *arg++ - '0') <= 9) j = j * 10 + i; if (j > 0 && i == -'0') { comspeed = j; break; } /* Fall through to error below ('S' not in optstr[]). */ } for (i = 0; c != optstr[i]; i++) if (i == NOPT - 1) return -1; opts ^= OPT_SET(flags[i]); } ioctrl = OPT_CHECK(RBX_DUAL) ? (IO_SERIAL|IO_KEYBOARD) : OPT_CHECK(RBX_SERIAL) ? IO_SERIAL : IO_KEYBOARD; if (ioctrl & IO_SERIAL) { if (sio_init(115200 / comspeed) != 0) ioctrl &= ~IO_SERIAL; } } else { for (q = arg--; *q && *q != '('; q++); if (*q) { drv = -1; if (arg[1] == ':') { drv = *arg - '0'; if (drv > 9) return (-1); arg += 2; } if (q - arg != 2) return -1; for (i = 0; arg[0] != dev_nm[i][0] || arg[1] != dev_nm[i][1]; i++) if (i == NDEV - 1) return -1; dsk.type = i; arg += 3; dsk.unit = *arg - '0'; if (arg[1] != 'p' || dsk.unit > 9) return -1; arg += 2; dsk.part = *arg - '0'; if (dsk.part < 1 || dsk.part > 9) return -1; arg++; if (arg[0] != ')') return -1; arg++; if (drv == -1) drv = dsk.unit; dsk.drive = (dsk.type <= TYPE_MAXHARD ? DRV_HARD : 0) + drv; *dskupdated = 1; } if ((i = ep - arg)) { if ((size_t)i >= sizeof(kname)) return -1; memcpy(kname, arg, i + 1); } } arg = p; } return 0; }
int main(void) { char cmd[512], cmdtmp[512]; int autoboot, dskupdated; ufs_ino_t ino; dmadat = (void *)(roundup2(__base + (int32_t)&_end, 0x10000) - __base); v86.ctl = V86_FLAGS; v86.efl = PSL_RESERVED_DEFAULT | PSL_I; dsk.drive = *(uint8_t *)PTOV(ARGS); dsk.type = dsk.drive & DRV_HARD ? TYPE_AD : TYPE_FD; dsk.unit = dsk.drive & DRV_MASK; dsk.part = -1; dsk.start = 0; bootinfo.bi_version = BOOTINFO_VERSION; bootinfo.bi_size = sizeof(bootinfo); bootinfo.bi_basemem = 0; /* XXX will be filled by loader or kernel */ bootinfo.bi_extmem = memsize(); bootinfo.bi_memsizes_valid++; /* Process configuration file */ if (gptinit() != 0) return (-1); autoboot = 1; *cmd = '\0'; for (;;) { *kname = '\0'; if ((ino = lookup(PATH_CONFIG)) || (ino = lookup(PATH_DOTCONFIG))) fsread(ino, cmd, sizeof(cmd)); if (*cmd != '\0') { memcpy(cmdtmp, cmd, sizeof(cmdtmp)); if (parse(cmdtmp, &dskupdated)) break; if (dskupdated && gptinit() != 0) break; if (!OPT_CHECK(RBX_QUIET)) printf("%s: %s", PATH_CONFIG, cmd); *cmd = '\0'; } if (autoboot && keyhit(3)) { if (*kname == '\0') memcpy(kname, PATH_BOOT3, sizeof(PATH_BOOT3)); break; } autoboot = 0; /* * Try to exec stage 3 boot loader. If interrupted by a * keypress, or in case of failure, try to load a kernel * directly instead. */ if (*kname != '\0') load(); memcpy(kname, PATH_BOOT3, sizeof(PATH_BOOT3)); load(); memcpy(kname, PATH_KERNEL, sizeof(PATH_KERNEL)); load(); gptbootfailed(&dsk); if (gptfind(&freebsd_ufs_uuid, &dsk, -1) == -1) break; dsk_meta = 0; } /* Present the user with the boot2 prompt. */ for (;;) { if (!OPT_CHECK(RBX_QUIET)) { printf("\nFreeBSD/x86 boot\n" "Default: %u:%s(%up%u)%s\n" "boot: ", dsk.drive & DRV_MASK, dev_nm[dsk.type], dsk.unit, dsk.part, kname); } if (ioctrl & IO_SERIAL) sio_flush(); *cmd = '\0'; if (keyhit(0)) getstr(cmd, sizeof(cmd)); else if (!OPT_CHECK(RBX_QUIET)) putchar('\n'); if (parse(cmd, &dskupdated)) { putchar('\a'); continue; } if (dskupdated && gptinit() != 0) continue; load(); } /* NOTREACHED */ }