* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
+ * Add to readline cmdline-editing by
+ * (C) Copyright 2005
+ * JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
#include <common.h>
#include <watchdog.h>
#include <command.h>
-#include <malloc.h>
+#ifdef CONFIG_MODEM_SUPPORT
+#include <malloc.h> /* for free() prototype */
+#endif
#ifdef CFG_HUSH_PARSER
#include <hush.h>
#endif
+#include <post.h>
+
+#ifdef CONFIG_SILENT_CONSOLE
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
#if defined(CONFIG_BOOT_RETRY_TIME) && defined(CONFIG_RESET_TO_RETRY)
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); /* for do_reset() prototype */
#endif
#define MAX_DELAY_STOP_STR 32
-static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen);
static int parse_line (char *, char *[]);
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
static int abortboot(int);
char console_buffer[CFG_CBSIZE]; /* console I/O buffer */
+#ifndef CONFIG_CMDLINE_EDITING
+static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen);
static char erase_seq[] = "\b \b"; /* erase sequence */
static char tab_seq[] = " "; /* used to expand TABs */
+#endif /* CONFIG_CMDLINE_EDITING */
#ifdef CONFIG_BOOT_RETRY_TIME
static uint64_t endtime = 0; /* must be set, default is instant timeout */
{
int abort = 0;
uint64_t etime = endtick(bootdelay);
- struct
- {
+ struct {
char* str;
u_int len;
int retry;
}
- delaykey [] =
- {
+ delaykey [] = {
{ str: getenv ("bootdelaykey"), retry: 1 },
{ str: getenv ("bootdelaykey2"), retry: 1 },
{ str: getenv ("bootstopkey"), retry: 0 },
}
# if DEBUG_BOOTKEYS
if (!abort)
- printf("key timeout\n");
+ puts ("key timeout\n");
# endif
+#ifdef CONFIG_SILENT_CONSOLE
+ if (abort)
+ gd->flags &= ~GD_FLG_SILENT;
+#endif
+
return abort;
}
if (bootdelay >= 0) {
if (tstc()) { /* we got a key press */
(void) getc(); /* consume input */
- printf ("\b\b\b 0\n");
- return 1; /* don't auto boot */
+ puts ("\b\b\b 0");
+ abort = 1; /* don't auto boot */
}
}
#endif
- while (bootdelay > 0) {
+ while ((bootdelay > 0) && (!abort)) {
int i;
--bootdelay;
putc ('\n');
+#ifdef CONFIG_SILENT_CONSOLE
+ if (abort)
+ gd->flags &= ~GD_FLG_SILENT;
+#endif
+
return abort;
}
# endif /* CONFIG_AUTOBOOT_KEYED */
#ifdef CONFIG_PREBOOT
char *p;
#endif
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+ unsigned long bootcount = 0;
+ unsigned long bootlimit = 0;
+ char *bcs;
+ char bcs_set[16];
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
#if defined(CONFIG_VFD) && defined(VFD_TEST_LOGO)
ulong bmp = 0; /* default bitmap */
trab_vfd (bmp);
#endif /* CONFIG_VFD && VFD_TEST_LOGO */
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+ bootcount = bootcount_load();
+ bootcount++;
+ bootcount_store (bootcount);
+ sprintf (bcs_set, "%lu", bootcount);
+ setenv ("bootcount", bcs_set);
+ bcs = getenv ("bootlimit");
+ bootlimit = bcs ? simple_strtoul (bcs, NULL, 10) : 0;
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
+
#ifdef CONFIG_MODEM_SUPPORT
debug ("DEBUG: main_loop: do_mdm_init=%d\n", do_mdm_init);
if (do_mdm_init) {
- uchar *str = strdup(getenv("mdm_cmd"));
+ char *str = strdup(getenv("mdm_cmd"));
setenv ("preboot", str); /* set or delete definition */
if (str != NULL)
free (str);
#ifdef CONFIG_VERSION_VARIABLE
{
extern char version_string[];
- char *str = getenv("ver");
- if (!str)
- setenv ("ver", version_string); /* set version variable */
+ setenv ("ver", version_string); /* set version variable */
}
#endif /* CONFIG_VERSION_VARIABLE */
u_boot_hush_start ();
#endif
+#ifdef CONFIG_AUTO_COMPLETE
+ install_auto_complete();
+#endif
+
#ifdef CONFIG_PREBOOT
if ((p = getenv ("preboot")) != NULL) {
# ifdef CONFIG_AUTOBOOT_KEYED
init_cmd_timeout ();
# endif /* CONFIG_BOOT_RETRY_TIME */
- s = getenv ("bootcmd");
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+ if (bootlimit && (bootcount > bootlimit)) {
+ printf ("Warning: Bootlimit (%u) exceeded. Using altbootcmd.\n",
+ (unsigned)bootlimit);
+ s = getenv ("altbootcmd");
+ }
+ else
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
+ s = getenv ("bootcmd");
debug ("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>");
s = getenv("menucmd");
if (s) {
# ifndef CFG_HUSH_PARSER
- run_command (s, bd, 0);
+ run_command (s, 0);
# else
parse_string_outer(s, FLAG_PARSE_SEMICOLON |
FLAG_EXIT_FROM_LOOP);
else if (len == -2) {
/* -2 means timed out, retry autoboot
*/
- printf("\nTimed out waiting for command\n");
+ puts ("\nTimed out waiting for command\n");
# ifdef CONFIG_RESET_TO_RETRY
/* Reinit board to run initialization code again */
do_reset (NULL, 0, 0, NULL);
#endif
if (len == -1)
- printf ("<INTERRUPT>\n");
+ puts ("<INTERRUPT>\n");
else
rc = run_command (lastcommand, flag);
#ifdef CONFIG_BOOT_RETRY_TIME
/***************************************************************************
- * initialise command line timeout
+ * initialize command line timeout
*/
void init_cmd_timeout(void)
{
char *s = getenv ("bootretry");
if (s != NULL)
- retry_time = (int)simple_strtoul(s, NULL, 10);
+ retry_time = (int)simple_strtol(s, NULL, 10);
else
retry_time = CONFIG_BOOT_RETRY_TIME;
}
#endif
+#ifdef CONFIG_CMDLINE_EDITING
+
+/*
+ * cmdline-editing related codes from vivi.
+ * Author: Janghoon Lyu <nandy@mizi.com>
+ */
+
+#define putnstr(str,n) do { \
+ printf ("%.*s", n, str); \
+ } while (0)
+
+#define CTL_CH(c) ((c) - 'a' + 1)
+
+#define MAX_CMDBUF_SIZE 256
+
+#define CTL_BACKSPACE ('\b')
+#define DEL ((char)255)
+#define DEL7 ((char)127)
+#define CREAD_HIST_CHAR ('!')
+
+#define getcmd_putch(ch) putc(ch)
+#define getcmd_getch() getc()
+#define getcmd_cbeep() getcmd_putch('\a')
+
+#define HIST_MAX 20
+#define HIST_SIZE MAX_CMDBUF_SIZE
+
+static int hist_max = 0;
+static int hist_add_idx = 0;
+static int hist_cur = -1;
+unsigned hist_num = 0;
+
+char* hist_list[HIST_MAX];
+char hist_lines[HIST_MAX][HIST_SIZE];
+
+#define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1)
+
+static void hist_init(void)
+{
+ int i;
+
+ hist_max = 0;
+ hist_add_idx = 0;
+ hist_cur = -1;
+ hist_num = 0;
+
+ for (i = 0; i < HIST_MAX; i++) {
+ hist_list[i] = hist_lines[i];
+ hist_list[i][0] = '\0';
+ }
+}
+
+static void cread_add_to_hist(char *line)
+{
+ strcpy(hist_list[hist_add_idx], line);
+
+ if (++hist_add_idx >= HIST_MAX)
+ hist_add_idx = 0;
+
+ if (hist_add_idx > hist_max)
+ hist_max = hist_add_idx;
+
+ hist_num++;
+}
+
+static char* hist_prev(void)
+{
+ char *ret;
+ int old_cur;
+
+ if (hist_cur < 0)
+ return NULL;
+
+ old_cur = hist_cur;
+ if (--hist_cur < 0)
+ hist_cur = hist_max;
+
+ if (hist_cur == hist_add_idx) {
+ hist_cur = old_cur;
+ ret = NULL;
+ } else
+ ret = hist_list[hist_cur];
+
+ return (ret);
+}
+
+static char* hist_next(void)
+{
+ char *ret;
+
+ if (hist_cur < 0)
+ return NULL;
+
+ if (hist_cur == hist_add_idx)
+ return NULL;
+
+ if (++hist_cur > hist_max)
+ hist_cur = 0;
+
+ if (hist_cur == hist_add_idx) {
+ ret = "";
+ } else
+ ret = hist_list[hist_cur];
+
+ return (ret);
+}
+
+#ifndef CONFIG_CMDLINE_EDITING
+static void cread_print_hist_list(void)
+{
+ int i;
+ unsigned long n;
+
+ n = hist_num - hist_max;
+
+ i = hist_add_idx + 1;
+ while (1) {
+ if (i > hist_max)
+ i = 0;
+ if (i == hist_add_idx)
+ break;
+ printf("%s\n", hist_list[i]);
+ n++;
+ i++;
+ }
+}
+#endif /* CONFIG_CMDLINE_EDITING */
+
+#define BEGINNING_OF_LINE() { \
+ while (num) { \
+ getcmd_putch(CTL_BACKSPACE); \
+ num--; \
+ } \
+}
+
+#define ERASE_TO_EOL() { \
+ if (num < eol_num) { \
+ int tmp; \
+ for (tmp = num; tmp < eol_num; tmp++) \
+ getcmd_putch(' '); \
+ while (tmp-- > num) \
+ getcmd_putch(CTL_BACKSPACE); \
+ eol_num = num; \
+ } \
+}
+
+#define REFRESH_TO_EOL() { \
+ if (num < eol_num) { \
+ wlen = eol_num - num; \
+ putnstr(buf + num, wlen); \
+ num = eol_num; \
+ } \
+}
+
+static void cread_add_char(char ichar, int insert, unsigned long *num,
+ unsigned long *eol_num, char *buf, unsigned long len)
+{
+ unsigned long wlen;
+
+ /* room ??? */
+ if (insert || *num == *eol_num) {
+ if (*eol_num > len - 1) {
+ getcmd_cbeep();
+ return;
+ }
+ (*eol_num)++;
+ }
+
+ if (insert) {
+ wlen = *eol_num - *num;
+ if (wlen > 1) {
+ memmove(&buf[*num+1], &buf[*num], wlen-1);
+ }
+
+ buf[*num] = ichar;
+ putnstr(buf + *num, wlen);
+ (*num)++;
+ while (--wlen) {
+ getcmd_putch(CTL_BACKSPACE);
+ }
+ } else {
+ /* echo the character */
+ wlen = 1;
+ buf[*num] = ichar;
+ putnstr(buf + *num, wlen);
+ (*num)++;
+ }
+}
+
+static void cread_add_str(char *str, int strsize, int insert, unsigned long *num,
+ unsigned long *eol_num, char *buf, unsigned long len)
+{
+ while (strsize--) {
+ cread_add_char(*str, insert, num, eol_num, buf, len);
+ str++;
+ }
+}
+
+static int cread_line(char *buf, unsigned int *len)
+{
+ unsigned long num = 0;
+ unsigned long eol_num = 0;
+ unsigned long rlen;
+ unsigned long wlen;
+ char ichar;
+ int insert = 1;
+ int esc_len = 0;
+ int rc = 0;
+ char esc_save[8];
+
+ while (1) {
+ rlen = 1;
+ ichar = getcmd_getch();
+
+ if ((ichar == '\n') || (ichar == '\r')) {
+ putc('\n');
+ break;
+ }
+
+ /*
+ * handle standard linux xterm esc sequences for arrow key, etc.
+ */
+ if (esc_len != 0) {
+ if (esc_len == 1) {
+ if (ichar == '[') {
+ esc_save[esc_len] = ichar;
+ esc_len = 2;
+ } else {
+ cread_add_str(esc_save, esc_len, insert,
+ &num, &eol_num, buf, *len);
+ esc_len = 0;
+ }
+ continue;
+ }
+
+ switch (ichar) {
+
+ case 'D': /* <- key */
+ ichar = CTL_CH('b');
+ esc_len = 0;
+ break;
+ case 'C': /* -> key */
+ ichar = CTL_CH('f');
+ esc_len = 0;
+ break; /* pass off to ^F handler */
+ case 'H': /* Home key */
+ ichar = CTL_CH('a');
+ esc_len = 0;
+ break; /* pass off to ^A handler */
+ case 'A': /* up arrow */
+ ichar = CTL_CH('p');
+ esc_len = 0;
+ break; /* pass off to ^P handler */
+ case 'B': /* down arrow */
+ ichar = CTL_CH('n');
+ esc_len = 0;
+ break; /* pass off to ^N handler */
+ default:
+ esc_save[esc_len++] = ichar;
+ cread_add_str(esc_save, esc_len, insert,
+ &num, &eol_num, buf, *len);
+ esc_len = 0;
+ continue;
+ }
+ }
+
+ switch (ichar) {
+ case 0x1b:
+ if (esc_len == 0) {
+ esc_save[esc_len] = ichar;
+ esc_len = 1;
+ } else {
+ puts("impossible condition #876\n");
+ esc_len = 0;
+ }
+ break;
+
+ case CTL_CH('a'):
+ BEGINNING_OF_LINE();
+ break;
+ case CTL_CH('c'): /* ^C - break */
+ *buf = '\0'; /* discard input */
+ return (-1);
+ case CTL_CH('f'):
+ if (num < eol_num) {
+ getcmd_putch(buf[num]);
+ num++;
+ }
+ break;
+ case CTL_CH('b'):
+ if (num) {
+ getcmd_putch(CTL_BACKSPACE);
+ num--;
+ }
+ break;
+ case CTL_CH('d'):
+ if (num < eol_num) {
+ wlen = eol_num - num - 1;
+ if (wlen) {
+ memmove(&buf[num], &buf[num+1], wlen);
+ putnstr(buf + num, wlen);
+ }
+
+ getcmd_putch(' ');
+ do {
+ getcmd_putch(CTL_BACKSPACE);
+ } while (wlen--);
+ eol_num--;
+ }
+ break;
+ case CTL_CH('k'):
+ ERASE_TO_EOL();
+ break;
+ case CTL_CH('e'):
+ REFRESH_TO_EOL();
+ break;
+ case CTL_CH('o'):
+ insert = !insert;
+ break;
+ case CTL_CH('x'):
+ BEGINNING_OF_LINE();
+ ERASE_TO_EOL();
+ break;
+ case DEL:
+ case DEL7:
+ case 8:
+ if (num) {
+ wlen = eol_num - num;
+ num--;
+ memmove(&buf[num], &buf[num+1], wlen);
+ getcmd_putch(CTL_BACKSPACE);
+ putnstr(buf + num, wlen);
+ getcmd_putch(' ');
+ do {
+ getcmd_putch(CTL_BACKSPACE);
+ } while (wlen--);
+ eol_num--;
+ }
+ break;
+ case CTL_CH('p'):
+ case CTL_CH('n'):
+ {
+ char * hline;
+
+ esc_len = 0;
+
+ if (ichar == CTL_CH('p'))
+ hline = hist_prev();
+ else
+ hline = hist_next();
+
+ if (!hline) {
+ getcmd_cbeep();
+ continue;
+ }
+
+ /* nuke the current line */
+ /* first, go home */
+ BEGINNING_OF_LINE();
+
+ /* erase to end of line */
+ ERASE_TO_EOL();
+
+ /* copy new line into place and display */
+ strcpy(buf, hline);
+ eol_num = strlen(buf);
+ REFRESH_TO_EOL();
+ continue;
+ }
+ default:
+ cread_add_char(ichar, insert, &num, &eol_num, buf, *len);
+ break;
+ }
+ }
+ *len = eol_num;
+ buf[eol_num] = '\0'; /* lose the newline */
+
+ if (buf[0] && buf[0] != CREAD_HIST_CHAR)
+ cread_add_to_hist(buf);
+ hist_cur = hist_add_idx;
+
+ return (rc);
+}
+
+#endif /* CONFIG_CMDLINE_EDITING */
+
/****************************************************************************/
/*
*/
int readline (const char *const prompt)
{
+#ifdef CONFIG_CMDLINE_EDITING
+ char *p = console_buffer;
+ unsigned int len=MAX_CMDBUF_SIZE;
+ int rc;
+ static int initted = 0;
+
+ if (!initted) {
+ hist_init();
+ initted = 1;
+ }
+
+ puts (prompt);
+
+ rc = cread_line(p, &len);
+ return rc < 0 ? rc : len;
+#else
char *p = console_buffer;
int n = 0; /* buffer index */
int plen = 0; /* prompt length */
puts ("\r\n");
return (p - console_buffer);
+ case '\0': /* nul */
+ continue;
+
case 0x03: /* ^C - break */
console_buffer[0] = '\0'; /* discard input */
return (-1);
*/
if (n < CFG_CBSIZE-2) {
if (c == '\t') { /* expand TABs */
+#ifdef CONFIG_AUTO_COMPLETE
+ /* if auto completion triggered just continue */
+ *p = '\0';
+ if (cmd_auto_complete(prompt, console_buffer, &n, &col)) {
+ p = console_buffer + n; /* reset */
+ continue;
+ }
+#endif
puts (tab_seq+(col&07));
col += 8 - (col&07);
} else {
}
}
}
+#endif /* CONFIG_CMDLINE_EDITING */
}
/****************************************************************************/
+#ifndef CONFIG_CMDLINE_EDITING
static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen)
{
char *s;
(*np)--;
return (p);
}
+#endif /* CONFIG_CMDLINE_EDITING */
/****************************************************************************/
{
char c, prev;
const char *varname_start = NULL;
- int inputcnt = strlen (input);
+ int inputcnt = strlen (input);
int outputcnt = CFG_CBSIZE;
- int state = 0; /* 0 = waiting for '$' */
- /* 1 = waiting for '(' */
- /* 2 = waiting for ')' */
- /* 3 = waiting for ''' */
+ int state = 0; /* 0 = waiting for '$' */
+
+ /* 1 = waiting for '(' or '{' */
+ /* 2 = waiting for ')' or '}' */
+ /* 3 = waiting for ''' */
#ifdef DEBUG_PARSER
char *output_start = output;
- printf ("[PROCESS_MACROS] INPUT len %d: \"%s\"\n", strlen(input), input);
+ printf ("[PROCESS_MACROS] INPUT len %d: \"%s\"\n", strlen (input),
+ input);
#endif
- prev = '\0'; /* previous character */
+ prev = '\0'; /* previous character */
while (inputcnt && outputcnt) {
- c = *input++;
- inputcnt--;
-
- if (state!=3) {
- /* remove one level of escape characters */
- if ((c == '\\') && (prev != '\\')) {
- if (inputcnt-- == 0)
- break;
- prev = c;
c = *input++;
- }
- }
-
- switch (state) {
- case 0: /* Waiting for (unescaped) $ */
- if ((c == '\'') && (prev != '\\')) {
- state = 3;
- break;
- }
- if ((c == '$') && (prev != '\\')) {
- state++;
- } else {
- *(output++) = c;
- outputcnt--;
- }
- break;
- case 1: /* Waiting for ( */
- if (c == '(') {
- state++;
- varname_start = input;
- } else {
- state = 0;
- *(output++) = '$';
- outputcnt--;
-
- if (outputcnt) {
- *(output++) = c;
- outputcnt--;
+ inputcnt--;
+
+ if (state != 3) {
+ /* remove one level of escape characters */
+ if ((c == '\\') && (prev != '\\')) {
+ if (inputcnt-- == 0)
+ break;
+ prev = c;
+ c = *input++;
}
}
- break;
- case 2: /* Waiting for ) */
- if (c == ')') {
- int i;
- char envname[CFG_CBSIZE], *envval;
- int envcnt = input-varname_start-1; /* Varname # of chars */
- /* Get the varname */
- for (i = 0; i < envcnt; i++) {
- envname[i] = varname_start[i];
+ switch (state) {
+ case 0: /* Waiting for (unescaped) $ */
+ if ((c == '\'') && (prev != '\\')) {
+ state = 3;
+ break;
}
- envname[i] = 0;
-
- /* Get its value */
- envval = getenv (envname);
+ if ((c == '$') && (prev != '\\')) {
+ state++;
+ } else {
+ *(output++) = c;
+ outputcnt--;
+ }
+ break;
+ case 1: /* Waiting for ( */
+ if (c == '(' || c == '{') {
+ state++;
+ varname_start = input;
+ } else {
+ state = 0;
+ *(output++) = '$';
+ outputcnt--;
- /* Copy into the line if it exists */
- if (envval != NULL)
- while ((*envval) && outputcnt) {
- *(output++) = *(envval++);
+ if (outputcnt) {
+ *(output++) = c;
outputcnt--;
}
- /* Look for another '$' */
- state = 0;
- }
- break;
- case 3: /* Waiting for ' */
- if ((c == '\'') && (prev != '\\')) {
- state = 0;
- } else {
- *(output++) = c;
- outputcnt--;
- }
- break;
- }
- prev = c;
+ }
+ break;
+ case 2: /* Waiting for ) */
+ if (c == ')' || c == '}') {
+ int i;
+ char envname[CFG_CBSIZE], *envval;
+ int envcnt = input - varname_start - 1; /* Varname # of chars */
+
+ /* Get the varname */
+ for (i = 0; i < envcnt; i++) {
+ envname[i] = varname_start[i];
+ }
+ envname[i] = 0;
+
+ /* Get its value */
+ envval = getenv (envname);
+
+ /* Copy into the line if it exists */
+ if (envval != NULL)
+ while ((*envval) && outputcnt) {
+ *(output++) = *(envval++);
+ outputcnt--;
+ }
+ /* Look for another '$' */
+ state = 0;
+ }
+ break;
+ case 3: /* Waiting for ' */
+ if ((c == '\'') && (prev != '\\')) {
+ state = 0;
+ } else {
+ *(output++) = c;
+ outputcnt--;
+ }
+ break;
+ }
+ prev = c;
}
if (outputcnt)
*output = 0;
+ else
+ *(output - 1) = 0;
#ifdef DEBUG_PARSER
printf ("[PROCESS_MACROS] OUTPUT len %d: \"%s\"\n",
- strlen(output_start), output_start);
+ strlen (output_start), output_start);
#endif
}
process_macros (token, finaltoken);
/* Extract arguments */
- argc = parse_line (finaltoken, argv);
+ if ((argc = parse_line (finaltoken, argv)) == 0) {
+ rc = -1; /* no command at all */
+ continue;
+ }
/* Look up command in command table */
if ((cmdtp = find_cmd(argv[0])) == NULL) {
printf ("[%s]\n", finaltoken);
#endif
if (flag & CMD_FLAG_BOOTD) {
- printf ("'bootd' recursion detected\n");
+ puts ("'bootd' recursion detected\n");
rc = -1;
continue;
- }
- else
+ } else {
flag |= CMD_FLAG_BOOTD;
+ }
}
#endif /* CFG_CMD_BOOTD */
projects / platform / kernel / u-boot.git / blobdiff