diff options
Diffstat (limited to 'firmware/lib/vboot_api_kernel.c')
| -rw-r--r-- | firmware/lib/vboot_api_kernel.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/firmware/lib/vboot_api_kernel.c b/firmware/lib/vboot_api_kernel.c index b28d4388..d01160af 100644 --- a/firmware/lib/vboot_api_kernel.c +++ b/firmware/lib/vboot_api_kernel.c @@ -64,6 +64,21 @@ static int VbWantShutdown(uint32_t gbb_flags) return !!shutdown_request; } +static void VbTryLegacy(int allowed) +{ + if (!allowed) + VBDEBUG(("VbBootDeveloper() - Legacy boot is disabled\n")); + else if (0 != RollbackKernelLock(0)) + VBDEBUG(("Error locking kernel versions on legacy boot.\n")); + else + VbExLegacy(); /* will not return if successful */ + + /* If legacy boot fails, beep and return to calling UI loop. */ + VbExBeep(120, 400); + VbExSleepMs(120); + VbExBeep(120, 400); +} + /** * Attempt loading a kernel from the specified type(s) of disks. * @@ -351,19 +366,7 @@ VbError_t VbBootDeveloper(VbCommonParams *cparams, LoadKernelParams *p) case 0x0c: VBDEBUG(("VbBootDeveloper() - " "user pressed Ctrl+L; Try legacy boot\n")); - /* - * If VbExLegacy() succeeds, it will never return. If - * it returns, beep. - */ - if (allow_legacy) - VbExLegacy(); - else - VBDEBUG(("VbBootDeveloper() - " - "Legacy boot is disabled\n")); - - VbExBeep(120, 400); - VbExSleepMs(120); - VbExBeep(120, 400); + VbTryLegacy(allow_legacy); break; case VB_KEY_CTRL_ENTER: @@ -434,12 +437,7 @@ VbError_t VbBootDeveloper(VbCommonParams *cparams, LoadKernelParams *p) if ((gbb->flags & GBB_FLAG_DEFAULT_DEV_BOOT_LEGACY) && !ctrl_d_pressed) { VBDEBUG(("VbBootDeveloper() - defaulting to legacy\n")); - VbExLegacy(); - - /* If that fails, beep and fall through to fixed disk */ - VbExBeep(120, 400); - VbExSleepMs(120); - VbExBeep(120, 400); + VbTryLegacy(1); } /* Timeout or Ctrl+D; attempt loading from fixed disk */ |