diff options
Diffstat (limited to 'src/boot/filo.c')
| -rw-r--r-- | src/boot/filo.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/src/boot/filo.c b/src/boot/filo.c deleted file mode 100644 index d6ee9305e9..0000000000 --- a/src/boot/filo.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright (C) 2003 by SONE Takeshi <ts1@tsn.or.jp> and others. - * This program is licensed under the terms of GNU General Public License. - * - * Modified for coreboot by Greg Watson <gwatson@lanl.gov> - */ - -#include <console/console.h> -#include <delay.h> -#include <string.h> -#include <boot/tables.h> -#include <boot/elf.h> - -#define ENTER '\r' -#define ESCAPE '\x1b' - -#ifndef CONFIG_AUTOBOOT_CMDLINE -#define autoboot(mem) -#endif - -#if !CONFIG_AUTOBOOT_DELAY -#define autoboot_delay() 0 /* success */ -#endif - -#define havechar() console_tst_byte() -#define putchar(c) console_tx_byte(c) -#define getchar(c) console_rx_byte(c) - -extern char *boot_file; - -int getline(char *buf, int max) -{ - int cur, ch, nonspace_seen; - - cur = 0; - while (buf[cur]) { - putchar(buf[cur]); - cur++; - } - for (;;) { - ch = getchar(); - switch (ch) { - /* end of line */ - case '\r': - case '\n': - putchar('\n'); - goto out; - /* backspace */ - case '\b': - case '\x7f': - if (cur > 0) { - cur--; - putchar('\b'); - putchar(' '); - putchar('\b'); - } - break; - /* word erase */ - case 'W' & 0x1f: /* ^W */ - nonspace_seen = 0; - while (cur) { - if (buf[cur-1] != ' ') - nonspace_seen = 1; - putchar('\b'); - putchar(' '); - putchar('\b'); - cur--; - if (nonspace_seen && cur < max-1 && cur > 0 && buf[cur-1]==' ') - break; - } - break; - /* line erase */ - case 'U' & 0x1f: /* ^U */ - while (cur) { - putchar('\b'); - putchar(' '); - putchar('\b'); - cur--; - } - cur = 0; - break; - default: - if (ch < 0x20) - break; /* ignore control char */ - if (ch >= 0x7f) - break; - if (cur + 1 < max) { - putchar(ch); /* echo back */ - buf[cur] = ch; - cur++; - } - } - } -out: - if (cur >= max) - cur = max - 1; - buf[cur] = '\0'; - return cur; -} - -static void boot(struct lb_memory *mem, const char *line) -{ - char *param; - - /* Split filename and parameter */ - boot_file = strdup(line); - param = strchr(boot_file, ' '); - if (param) { - *param = '\0'; - param++; - } - - if (!elfboot(mem)) - printk_info("Unsupported image format\n"); - free(boot_file); -} - -#ifdef CONFIG_AUTOBOOT_CMDLINE -#if CONFIG_AUTOBOOT_DELAY -static inline int autoboot_delay(void) -{ - unsigned int timeout; - int sec, tmp; - char key; - - key = 0; - - printk_info("Press <Enter> for default boot, or <Esc> for boot prompt... "); - for (sec = CONFIG_AUTOBOOT_DELAY; sec>0 && key==0; sec--) { - printk_info("%d", sec); - timeout = 10; - while (timeout-- > 0) { - if (havechar()) { - key = getchar(); - if (key==ENTER || key==ESCAPE) - break; - } - mdelay(100); - } - for (tmp = sec; tmp; tmp /= 10) - printk_info("\b \b"); - } - if (key == 0) { - printk_info("timed out\n"); - return 0; /* success */ - } else { - putchar('\n'); - if (key == ESCAPE) - return -1; /* canceled */ - else - return 0; /* default accepted */ - } -} -#endif /* CONFIG_AUTOBOOT_DELAY */ - -static void autoboot(struct lb_memory *mem) -{ - /* If Escape key is pressed already, skip autoboot */ - if (havechar() && getchar()==ESCAPE) - return; - - if (autoboot_delay()==0) { - printk_info("boot: %s\n", CONFIG_AUTOBOOT_CMDLINE); - boot(mem, CONFIG_AUTOBOOT_CMDLINE); - } -} -#endif /* CONFIG_AUTOBOOT_CMDLINE */ - -/* The main routine */ -int filo(struct lb_memory *mem) -{ - char line[256]; - - printk_info("FILO version 0.4.1\n"); - - /* Try default image */ - autoboot(mem); - - /* The above didn't work, ask user */ - while (havechar()) - getchar(); -#ifdef CONFIG_AUTOBOOT_CMDLINE - strncpy(line, CONFIG_AUTOBOOT_CMDLINE, sizeof(line)-1); - line[sizeof(line)-1] = '\0'; -#else - line[0] = '\0'; -#endif - for (;;) { - printk_info("boot: "); - getline(line, sizeof line); - if (line[0]) - boot(mem, line); - } -} |