+// SPDX-License-Identifier: GPL-2.0+
/*
* (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>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <bootretry.h>
#include <cli.h>
+#include <command.h>
+#include <time.h>
#include <watchdog.h>
DECLARE_GLOBAL_DATA_PTR;
static const char erase_seq[] = "\b \b"; /* erase sequence */
static const char tab_seq[] = " "; /* used to expand TABs */
-#ifdef CONFIG_BOOT_RETRY_TIME
-static uint64_t endtime; /* must be set, default is instant timeout */
-static int retry_time = -1; /* -1 so can call readline before main_loop */
-#endif
-
char console_buffer[CONFIG_SYS_CBSIZE + 1]; /* console I/O buffer */
-#ifndef CONFIG_BOOT_RETRY_MIN
-#define CONFIG_BOOT_RETRY_MIN CONFIG_BOOT_RETRY_TIME
-#endif
-
static char *delete_char (char *buffer, char *p, int *colp, int *np, int plen)
{
char *s;
cread_add_str(buf, init_len, 1, &num, &eol_num, buf, *len);
while (1) {
-#ifdef CONFIG_BOOT_RETRY_TIME
- while (!tstc()) { /* while no incoming data */
- if (retry_time >= 0 && get_ticks() > endtime)
- return -2; /* timed out */
- WATCHDOG_RESET();
- }
-#endif
+ if (bootretry_tstc_timeout())
+ return -2; /* timed out */
if (first && timeout) {
uint64_t etime = endtick(timeout);
ichar = getcmd_getch();
+ /* ichar=0x0 when error occurs in U-Boot getc */
+ if (!ichar)
+ continue;
+
if ((ichar == '\n') || (ichar == '\r')) {
putc('\n');
break;
* handle standard linux xterm esc sequences for arrow key, etc.
*/
if (esc_len != 0) {
+ enum { ESC_REJECT, ESC_SAVE, ESC_CONVERTED } act = ESC_REJECT;
+
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;
+ if (ichar == '[' || ichar == 'O')
+ act = ESC_SAVE;
+ } else if (esc_len == 2) {
+ switch (ichar) {
+ case 'D': /* <- key */
+ ichar = CTL_CH('b');
+ act = ESC_CONVERTED;
+ break; /* pass off to ^B handler */
+ case 'C': /* -> key */
+ ichar = CTL_CH('f');
+ act = ESC_CONVERTED;
+ break; /* pass off to ^F handler */
+ case 'H': /* Home key */
+ ichar = CTL_CH('a');
+ act = ESC_CONVERTED;
+ break; /* pass off to ^A handler */
+ case 'F': /* End key */
+ ichar = CTL_CH('e');
+ act = ESC_CONVERTED;
+ break; /* pass off to ^E handler */
+ case 'A': /* up arrow */
+ ichar = CTL_CH('p');
+ act = ESC_CONVERTED;
+ break; /* pass off to ^P handler */
+ case 'B': /* down arrow */
+ ichar = CTL_CH('n');
+ act = ESC_CONVERTED;
+ break; /* pass off to ^N handler */
+ case '1':
+ case '3':
+ case '4':
+ case '7':
+ case '8':
+ if (esc_save[1] == '[') {
+ /* see if next character is ~ */
+ act = ESC_SAVE;
+ }
+ break;
+ }
+ } else if (esc_len == 3) {
+ if (ichar == '~') {
+ switch (esc_save[2]) {
+ case '3': /* Delete key */
+ ichar = CTL_CH('d');
+ act = ESC_CONVERTED;
+ break; /* pass to ^D handler */
+ case '1': /* Home key */
+ case '7':
+ ichar = CTL_CH('a');
+ act = ESC_CONVERTED;
+ break; /* pass to ^A handler */
+ case '4': /* End key */
+ case '8':
+ ichar = CTL_CH('e');
+ act = ESC_CONVERTED;
+ break; /* pass to ^E handler */
+ }
}
- 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:
+ switch (act) {
+ case ESC_SAVE:
+ esc_save[esc_len++] = ichar;
+ continue;
+ case ESC_REJECT:
esc_save[esc_len++] = ichar;
cread_add_str(esc_save, esc_len, insert,
&num, &eol_num, buf, *len);
esc_len = 0;
continue;
+ case ESC_CONVERTED:
+ esc_len = 0;
+ break;
}
}
col = plen;
for (;;) {
-#ifdef CONFIG_BOOT_RETRY_TIME
- while (!tstc()) { /* while no incoming data */
- if (retry_time >= 0 && get_ticks() > endtime)
- return -2; /* timed out */
- WATCHDOG_RESET();
- }
-#endif
+ if (bootretry_tstc_timeout())
+ return -2; /* timed out */
WATCHDOG_RESET(); /* Trigger watchdog, if needed */
-#ifdef CONFIG_SHOW_ACTIVITY
- while (!tstc()) {
- show_activity(0);
- WATCHDOG_RESET();
- }
-#endif
c = getc();
/*
puts(tab_seq + (col & 07));
col += 8 - (col & 07);
} else {
- char buf[2];
+ char __maybe_unused buf[2];
/*
* Echo input using puts() to force an
}
#endif
}
-
-#ifdef CONFIG_BOOT_RETRY_TIME
-/***************************************************************************
- * initialize command line timeout
- */
-void init_cmd_timeout(void)
-{
- char *s = getenv("bootretry");
-
- if (s != NULL)
- retry_time = (int)simple_strtol(s, NULL, 10);
- else
- retry_time = CONFIG_BOOT_RETRY_TIME;
-
- if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN)
- retry_time = CONFIG_BOOT_RETRY_MIN;
-}
-
-/***************************************************************************
- * reset command line timeout to retry_time seconds
- */
-void reset_cmd_timeout(void)
-{
- endtime = endtick(retry_time);
-}
-
-void bootretry_dont_retry(void)
-{
- retry_time = -1;
-}
-
-#endif
projects / oweals / u-boot.git / blobdiff