X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fcommand.c;h=64e56af131c59db93428293a013072fe51700850;hb=2ee665339b06285a5fd9e36410d1167efc9b0606;hp=db39b41fac62e9fde0f4593f20895cfdfe664aca;hpb=56f94be3ef63732384063e110277ed89701b6471;p=oweals%2Fu-boot.git diff --git a/common/command.c b/common/command.c index db39b41fac..64e56af131 100644 --- a/common/command.c +++ b/common/command.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000 + * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -27,81 +27,6 @@ #include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include -#include /* Floppy support */ -#include /* USB support */ -#include -#include -#include -#include /* 4xx DCR register access */ -#include -#include -#include - -#include /* board special functions */ - -#include -#include - -#include - -#include /* load a bitmap to the VFDs on TRAB */ -#include - -/* - * HELP command - */ -#define CMD_TBL_HELP MK_CMD_TBL_ENTRY( \ - "help", 1, CFG_MAXARGS, 1, do_help, \ - "help - print online help\n", \ - "[command ...]\n" \ - " - show help information (for 'command')\n" \ - "'help' prints online help for the monitor commands.\n\n" \ - "Without arguments, it prints a short usage message for all commands.\n\n" \ - "To get detailed help information for specific commands you can type\n" \ - "'help' with one or more command names as arguments.\n" \ - ), - -#define CMD_TBL_QUES MK_CMD_TBL_ENTRY( \ - "?", 1, CFG_MAXARGS, 1, do_help, \ - "? - alias for 'help'\n", \ - NULL \ - ), - -#define CMD_TBL_VERS MK_CMD_TBL_ENTRY( \ - "version", 4, 1, 1, do_version, \ - "version - print monitor version\n", \ - NULL \ - ), - -#define CMD_TBL_ECHO MK_CMD_TBL_ENTRY( \ - "echo", 4, CFG_MAXARGS, 1, do_echo, \ - "echo - echo args to console\n", \ - "[args..]\n" \ - " - echo args to console; \\c suppresses newline\n" \ - ), int do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) @@ -111,6 +36,12 @@ do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 0; } +U_BOOT_CMD( + version, 1, 1, do_version, + "version - print monitor version\n", + NULL +); + int do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { @@ -121,13 +52,14 @@ do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if (i > 1) putc(' '); - while ((c = *p++) != '\0') + while ((c = *p++) != '\0') { if (c == '\\' && *p == 'c') { putnl = 0; p++; - } - else + } else { putc(c); + } + } } if (putnl) @@ -135,36 +67,223 @@ do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 0; } +U_BOOT_CMD( + echo, CFG_MAXARGS, 1, do_echo, + "echo - echo args to console\n", + "[args..]\n" + " - echo args to console; \\c suppresses newline\n" +); + +#ifdef CFG_HUSH_PARSER + +int +do_test (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + char **ap; + int left, adv, expr, last_expr, neg, last_cmp; + + /* args? */ + if (argc < 3) + return 1; + +#if 0 + { + printf("test:"); + left = 1; + while (argv[left]) + printf(" %s", argv[left++]); + } +#endif + + last_expr = 0; + left = argc - 1; ap = argv + 1; + if (left > 0 && strcmp(ap[0], "!") == 0) { + neg = 1; + ap++; + left--; + } else + neg = 0; + + expr = -1; + last_cmp = -1; + last_expr = -1; + while (left > 0) { + + if (strcmp(ap[0], "-o") == 0 || strcmp(ap[0], "-a") == 0) + adv = 1; + else if (strcmp(ap[0], "-z") == 0 || strcmp(ap[0], "-n") == 0) + adv = 2; + else + adv = 3; + + if (left < adv) { + expr = 1; + break; + } + + if (adv == 1) { + if (strcmp(ap[0], "-o") == 0) { + last_expr = expr; + last_cmp = 0; + } else if (strcmp(ap[0], "-a") == 0) { + last_expr = expr; + last_cmp = 1; + } else { + expr = 1; + break; + } + } + + if (adv == 2) { + if (strcmp(ap[0], "-z") == 0) + expr = strlen(ap[1]) == 0 ? 0 : 1; + else if (strcmp(ap[0], "-n") == 0) + expr = strlen(ap[1]) == 0 ? 1 : 0; + else { + expr = 1; + break; + } + + if (last_cmp == 0) + expr = last_expr || expr; + else if (last_cmp == 1) + expr = last_expr && expr; + last_cmp = -1; + } + + if (adv == 3) { + if (strcmp(ap[1], "=") == 0) + expr = strcmp(ap[0], ap[2]) == 0; + else if (strcmp(ap[1], "!=") == 0) + expr = strcmp(ap[0], ap[2]) != 0; + else if (strcmp(ap[1], ">") == 0) + expr = strcmp(ap[0], ap[2]) > 0; + else if (strcmp(ap[1], "<") == 0) + expr = strcmp(ap[0], ap[2]) < 0; + else if (strcmp(ap[1], "-eq") == 0) + expr = simple_strtol(ap[0], NULL, 10) == simple_strtol(ap[2], NULL, 10); + else if (strcmp(ap[1], "-ne") == 0) + expr = simple_strtol(ap[0], NULL, 10) != simple_strtol(ap[2], NULL, 10); + else if (strcmp(ap[1], "-lt") == 0) + expr = simple_strtol(ap[0], NULL, 10) < simple_strtol(ap[2], NULL, 10); + else if (strcmp(ap[1], "-le") == 0) + expr = simple_strtol(ap[0], NULL, 10) <= simple_strtol(ap[2], NULL, 10); + else if (strcmp(ap[1], "-gt") == 0) + expr = simple_strtol(ap[0], NULL, 10) > simple_strtol(ap[2], NULL, 10); + else if (strcmp(ap[1], "-ge") == 0) + expr = simple_strtol(ap[0], NULL, 10) >= simple_strtol(ap[2], NULL, 10); + else { + expr = 1; + break; + } + + if (last_cmp == 0) + expr = last_expr || expr; + else if (last_cmp == 1) + expr = last_expr && expr; + last_cmp = -1; + } + + ap += adv; left -= adv; + } + + if (neg) + expr = !expr; + + expr = !expr; + +#if 0 + printf(": returns %d\n", expr); +#endif + + return expr; +} + +U_BOOT_CMD( + test, CFG_MAXARGS, 1, do_test, + "test - minimal test like /bin/sh\n", + "[args..]\n" + " - test functionality\n" +); + +int +do_exit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int r; + + r = 0; + if (argc > 1) + r = simple_strtoul(argv[1], NULL, 10); + + return -r - 2; +} + +U_BOOT_CMD( + exit, 2, 1, do_exit, + "exit - exit script\n", + " - exit functionality\n" +); + + +#endif + /* * Use puts() instead of printf() to avoid printf buffer overflow * for long help messages */ -int -do_help (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int do_help (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { int i; int rcode = 0; - if (argc == 1) { /* print short help (usage) */ + if (argc == 1) { /*show list of commands */ + + int cmd_items = &__u_boot_cmd_end - + &__u_boot_cmd_start; /* pointer arith! */ + cmd_tbl_t *cmd_array[cmd_items]; + int i, j, swaps; + + /* Make array of commands from .uboot_cmd section */ + cmdtp = &__u_boot_cmd_start; + for (i = 0; i < cmd_items; i++) { + cmd_array[i] = cmdtp++; + } + + /* Sort command list (trivial bubble sort) */ + for (i = cmd_items - 1; i > 0; --i) { + swaps = 0; + for (j = 0; j < i; ++j) { + if (strcmp (cmd_array[j]->name, + cmd_array[j + 1]->name) > 0) { + cmd_tbl_t *tmp; + tmp = cmd_array[j]; + cmd_array[j] = cmd_array[j + 1]; + cmd_array[j + 1] = tmp; + ++swaps; + } + } + if (!swaps) + break; + } + + /* print short help (usage) */ + for (i = 0; i < cmd_items; i++) { + const char *usage = cmd_array[i]->usage; - for (cmdtp=&cmd_tbl[0]; cmdtp->name; cmdtp++) { /* allow user abort */ - if (ctrlc()) + if (ctrlc ()) return 1; - - if (cmdtp->usage == NULL) + if (usage == NULL) continue; - puts (cmdtp->usage); + puts (usage); } - return 0; } - /* * command help (long version) */ - for (i=1; iname); @@ -180,151 +299,356 @@ do_help (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if (cmdtp->usage) puts (cmdtp->usage); #endif /* CFG_LONGHELP */ - } - else { + } else { printf ("Unknown command '%s' - try 'help'" " without arguments for list of all" - " known commands\n\n", - argv[i] - ); + " known commands\n\n", argv[i] + ); rcode = 1; } } return rcode; } + +U_BOOT_CMD( + help, CFG_MAXARGS, 1, do_help, + "help - print online help\n", + "[command ...]\n" + " - show help information (for 'command')\n" + "'help' prints online help for the monitor commands.\n\n" + "Without arguments, it prints a short usage message for all commands.\n\n" + "To get detailed help information for specific commands you can type\n" + "'help' with one or more command names as arguments.\n" +); + +/* This do not ust the U_BOOT_CMD macro as ? can't be used in symbol names */ +#ifdef CFG_LONGHELP +cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = { + "?", CFG_MAXARGS, 1, do_help, + "? - alias for 'help'\n", + NULL +}; +#else +cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = { + "?", CFG_MAXARGS, 1, do_help, + "? - alias for 'help'\n" +}; +#endif /* CFG_LONGHELP */ + /*************************************************************************** * find command table entry for a command */ -cmd_tbl_t *find_cmd(const char *cmd) +cmd_tbl_t *find_cmd (const char *cmd) { cmd_tbl_t *cmdtp; + cmd_tbl_t *cmdtp_temp = &__u_boot_cmd_start; /*Init value */ + const char *p; + int len; + int n_found = 0; - /* Search command table - Use linear search - it's a small table */ - for (cmdtp = &cmd_tbl[0]; cmdtp->name; cmdtp++) { - if (strncmp (cmd, cmdtp->name, cmdtp->lmin) == 0) - return cmdtp; + /* + * Some commands allow length modifiers (like "cp.b"); + * compare command name only until first dot. + */ + len = ((p = strchr(cmd, '.')) == NULL) ? strlen (cmd) : (p - cmd); + + for (cmdtp = &__u_boot_cmd_start; + cmdtp != &__u_boot_cmd_end; + cmdtp++) { + if (strncmp (cmd, cmdtp->name, len) == 0) { + if (len == strlen (cmdtp->name)) + return cmdtp; /* full match */ + + cmdtp_temp = cmdtp; /* abbreviated command ? */ + n_found++; + } } - return NULL; /* not found */ + if (n_found == 1) { /* exactly one match */ + return cmdtp_temp; + } + + return NULL; /* not found or ambiguous command */ } -/* - * The commands in this table are sorted alphabetically by the - * command name and in descending order by the command name string - * length. This is to prevent conflicts in command name parsing. - * Please ensure that new commands are added according to that rule. - * Please use $(TOPDIR)/doc/README.commands as a reference AND make - * sure it gets updated. - */ +#ifdef CONFIG_AUTO_COMPLETE + +int var_complete(int argc, char *argv[], char last_char, int maxv, char *cmdv[]) +{ + static char tmp_buf[512]; + int space; + + space = last_char == '\0' || last_char == ' ' || last_char == '\t'; + + if (space && argc == 1) + return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf); + + if (!space && argc == 2) + return env_complete(argv[1], maxv, cmdv, sizeof(tmp_buf), tmp_buf); + + return 0; +} + +static void install_auto_complete_handler(const char *cmd, + int (*complete)(int argc, char *argv[], char last_char, int maxv, char *cmdv[])) +{ + cmd_tbl_t *cmdtp; + + cmdtp = find_cmd(cmd); + if (cmdtp == NULL) + return; + + cmdtp->complete = complete; +} + +void install_auto_complete(void) +{ + install_auto_complete_handler("printenv", var_complete); + install_auto_complete_handler("setenv", var_complete); +#if (CONFIG_COMMANDS & CFG_CMD_RUN) + install_auto_complete_handler("run", var_complete); +#endif +} + +/*************************************************************************************/ + +static int complete_cmdv(int argc, char *argv[], char last_char, int maxv, char *cmdv[]) +{ + cmd_tbl_t *cmdtp; + const char *p; + int len, clen; + int n_found = 0; + const char *cmd; + + /* sanity? */ + if (maxv < 2) + return -2; + + cmdv[0] = NULL; + + if (argc == 0) { + /* output full list of commands */ + for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { + if (n_found >= maxv - 2) { + cmdv[n_found++] = "..."; + break; + } + cmdv[n_found++] = cmdtp->name; + } + cmdv[n_found] = NULL; + return n_found; + } + + /* more than one arg or one but the start of the next */ + if (argc > 1 || (last_char == '\0' || last_char == ' ' || last_char == '\t')) { + cmdtp = find_cmd(argv[0]); + if (cmdtp == NULL || cmdtp->complete == NULL) { + cmdv[0] = NULL; + return 0; + } + return (*cmdtp->complete)(argc, argv, last_char, maxv, cmdv); + } + + cmd = argv[0]; + /* + * Some commands allow length modifiers (like "cp.b"); + * compare command name only until first dot. + */ + p = strchr(cmd, '.'); + if (p == NULL) + len = strlen(cmd); + else + len = p - cmd; + + /* return the partial matches */ + for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { + + clen = strlen(cmdtp->name); + if (clen < len) + continue; + + if (memcmp(cmd, cmdtp->name, len) != 0) + continue; + + /* too many! */ + if (n_found >= maxv - 2) { + cmdv[n_found++] = "..."; + break; + } + + cmdv[n_found++] = cmdtp->name; + } + + cmdv[n_found] = NULL; + return n_found; +} + +static int make_argv(char *s, int argvsz, char *argv[]) +{ + int argc = 0; + + /* split into argv */ + while (argc < argvsz - 1) { + + /* skip any white space */ + while ((*s == ' ') || (*s == '\t')) + ++s; + + if (*s == '\0') /* end of s, no more args */ + break; + + argv[argc++] = s; /* begin of argument string */ + + /* find end of string */ + while (*s && (*s != ' ') && (*s != '\t')) + ++s; + + if (*s == '\0') /* end of s, no more args */ + break; + + *s++ = '\0'; /* terminate current arg */ + } + argv[argc] = NULL; + + return argc; +} + +static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char *argv[]) +{ + int ll = leader != NULL ? strlen(leader) : 0; + int sl = sep != NULL ? strlen(sep) : 0; + int len, i; + + if (banner) { + puts("\n"); + puts(banner); + } + + i = linemax; /* force leader and newline */ + while (*argv != NULL) { + len = strlen(*argv) + sl; + if (i + len >= linemax) { + puts("\n"); + if (leader) + puts(leader); + i = ll - sl; + } else if (sep) + puts(sep); + puts(*argv++); + i += len; + } + printf("\n"); +} + +static int find_common_prefix(char *argv[]) +{ + int i, len; + char *anchor, *s, *t; + + if (*argv == NULL) + return 0; + + /* begin with max */ + anchor = *argv++; + len = strlen(anchor); + while ((t = *argv++) != NULL) { + s = anchor; + for (i = 0; i < len; i++, t++, s++) { + if (*t != *s) + break; + } + len = s - anchor; + } + return len; +} + +static char tmp_buf[CFG_CBSIZE]; /* copy of console I/O buffer */ + +int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp) +{ + int n = *np, col = *colp; + char *argv[CFG_MAXARGS + 1]; /* NULL terminated */ + char *cmdv[20]; + char *s, *t; + const char *sep; + int i, j, k, len, seplen, argc; + int cnt; + char last_char; + + if (strcmp(prompt, CFG_PROMPT) != 0) + return 0; /* not in normal console */ + + cnt = strlen(buf); + if (cnt >= 1) + last_char = buf[cnt - 1]; + else + last_char = '\0'; + + /* copy to secondary buffer which will be affected */ + strcpy(tmp_buf, buf); + + /* separate into argv */ + argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv); + + /* do the completion and return the possible completions */ + i = complete_cmdv(argc, argv, last_char, sizeof(cmdv)/sizeof(cmdv[0]), cmdv); + + /* no match; bell and out */ + if (i == 0) { + if (argc > 1) /* allow tab for non command */ + return 0; + putc('\a'); + return 1; + } + + s = NULL; + len = 0; + sep = NULL; + seplen = 0; + if (i == 1) { /* one match; perfect */ + k = strlen(argv[argc - 1]); + s = cmdv[0] + k; + len = strlen(s); + sep = " "; + seplen = 1; + } else if (i > 1 && (j = find_common_prefix(cmdv)) != 0) { /* more */ + k = strlen(argv[argc - 1]); + j -= k; + if (j > 0) { + s = cmdv[0] + k; + len = j; + } + } + + if (s != NULL) { + k = len + seplen; + /* make sure it fits */ + if (n + k >= CFG_CBSIZE - 2) { + putc('\a'); + return 1; + } + + t = buf + cnt; + for (i = 0; i < len; i++) + *t++ = *s++; + if (sep != NULL) + for (i = 0; i < seplen; i++) + *t++ = sep[i]; + *t = '\0'; + n += k; + col += k; + puts(t - k); + if (sep == NULL) + putc('\a'); + *np = n; + *colp = col; + } else { + print_argv(NULL, " ", " ", 78, cmdv); + + puts(prompt); + puts(buf); + } + return 1; +} -cmd_tbl_t cmd_tbl[] = { - CMD_TBL_ASKENV - CMD_TBL_ASM - CMD_TBL_AUTOSCRIPT - CMD_TBL_BASE - CMD_TBL_BDINFO - CMD_TBL_BOOTELF - CMD_TBL_BOOTM - CMD_TBL_BOOTP - CMD_TBL_BOOTVX - CMD_TBL_BOOTD - CMD_TBL_BREAK - CMD_TBL_BRGINFO - CMD_TBL_CARINFO - CMD_TBL_JFFS2_CHPART - CMD_TBL_CMP - CMD_TBL_CONINFO - CMD_TBL_CONTINUE - CMD_TBL_CP - CMD_TBL_CRC - CMD_TBL_DATE - CMD_TBL_DCACHE - CMD_TBL_DHCP - CMD_TBL_DIAG - CMD_TBL_DISK - CMD_TBL_DMAINFO - CMD_TBL_DIS - CMD_TBL_DOCBOOT - CMD_TBL_DOC - CMD_TBL_DTT - CMD_TBL_ECHO - CMD_TBL_EEPROM - CMD_TBL_FCCINFO - CMD_TBL_FLERASE - CMD_TBL_FDC - CMD_TBL_FLINFO - CMD_TBL_FPGA - CMD_TBL_JFFS2_FSINFO - CMD_TBL_JFFS2_FSLOAD - CMD_TBL_GETDCR - CMD_TBL_GO - CMD_TBL_HELP - CMD_TBL_HWFLOW - CMD_TBL_I2CINFO - CMD_TBL_ICACHE -#ifdef CONFIG_8260 - CMD_TBL_ICINFO #endif - CMD_TBL_IMD - CMD_TBL_IMM - CMD_TBL_INM - CMD_TBL_IMW - CMD_TBL_ICRC - CMD_TBL_IPROBE - CMD_TBL_ILOOP - CMD_TBL_ISDRAM - CMD_TBL_IDE - CMD_TBL_IMINFO - CMD_TBL_IOPINFO - CMD_TBL_IOPSET - CMD_TBL_IRQINFO - CMD_TBL_KGDB - CMD_TBL_LOADB - CMD_TBL_LOADS - CMD_TBL_LOG - CMD_TBL_LOOP - CMD_TBL_JFFS2_LS - CMD_TBL_MCCINFO - CMD_TBL_MD - CMD_TBL_MEMCINFO - CMD_TBL_MII - CMD_TBL_MM - CMD_TBL_MTEST - CMD_TBL_MUXINFO - CMD_TBL_MW - CMD_TBL_NEXT - CMD_TBL_NM - CMD_TBL_PCI - CMD_TBL_PRINTENV - CMD_TBL_PROTECT - CMD_TBL_RARPB - CMD_TBL_RDUMP - CMD_TBL_PINIT - CMD_TBL_REGINFO - CMD_TBL_RESET - CMD_TBL_RUN - CMD_TBL_SAVEENV - CMD_TBL_SAVES - CMD_TBL_SCCINFO - CMD_TBL_SCSIBOOT - CMD_TBL_SCSI - CMD_TBL_SETDCR - CMD_TBL_SETENV - CMD_TBL_SIINFO - CMD_TBL_SITINFO - CMD_TBL_SIUINFO - CMD_TBL_MISC /* sleep */ - CMD_TBL_SMCINFO - CMD_TBL_SPIINFO - CMD_TBL_STACK - CMD_TBL_STEP - CMD_TBL_TFTPB - CMD_TBL_USBBOOT - CMD_TBL_USB - CMD_TBL_VERS - CMD_TBL_BSP - CMD_TBL_VFD - CMD_TBL_QUES /* keep this ("help") the last entry */ - /* the following entry terminates this table */ - MK_CMD_TBL_ENTRY( NULL, 0, 0, 0, NULL, NULL, NULL ) -};