diff options
Diffstat (limited to 'common/cmd_bootm.c')
| -rw-r--r-- | common/cmd_bootm.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index ffca8e263..bf14a0e35 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -499,6 +499,7 @@ static cmd_tbl_t cmd_bootm_sub[] = { U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""), U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""), U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""), + U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""), U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""), }; @@ -539,6 +540,8 @@ static int boot_selected_os(int argc, char * const argv[], int state, #endif arch_preboot_os(); boot_fn(state, argc, argv, images); + if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */ + return 0; bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED); #ifdef DEBUG puts("\n## Control returned to monitor - resetting...\n"); @@ -645,6 +648,17 @@ static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, if (!ret && (states & BOOTM_STATE_OS_PREP)) ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); +#ifdef CONFIG_TRACE + /* Pretend to run the OS, then run a user command */ + if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { + char *cmd_list = getenv("fakegocmd"); + + ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, + images, boot_fn, &iflag); + if (!ret && cmd_list) + ret = run_command_list(cmd_list, -1, flag); + } +#endif /* Now run the OS! We hope this doesn't return */ if (!ret && (states & BOOTM_STATE_OS_GO)) ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, @@ -754,7 +768,7 @@ int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START | BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER | BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP | - BOOTM_STATE_OS_GO, &images, 1); + BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1); } int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd) @@ -1731,7 +1745,8 @@ int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; ret = do_bootm_states(cmdtp, flag, argc, argv, - BOOTM_STATE_OS_GO, &images, 1); + BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, + &images, 1); return ret; } |