diff options
Diffstat (limited to 'src/vendorcode/google/chromeos/chromeos.c')
| -rw-r--r-- | src/vendorcode/google/chromeos/chromeos.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/chromeos.c b/src/vendorcode/google/chromeos/chromeos.c index c1c3b3834c..559f1f0fdd 100644 --- a/src/vendorcode/google/chromeos/chromeos.c +++ b/src/vendorcode/google/chromeos/chromeos.c @@ -18,7 +18,11 @@ */ #include "chromeos.h" +#if CONFIG_VBOOT_VERIFY_FIRMWARE +#include "vboot_handoff.h" +#endif #include <arch/coreboot_tables.h> +#include <cbmem.h> #include <console/console.h> int developer_mode_enabled(void) @@ -35,3 +39,31 @@ int recovery_mode_enabled(void) return get_recovery_mode_switch() || get_recovery_mode_from_vbnv(); } +#if CONFIG_VBOOT_VERIFY_FIRMWARE +void *vboot_get_payload(int *len) +{ + struct vboot_handoff *vboot_handoff; + struct firmware_component *fwc; + + vboot_handoff = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); + + if (vboot_handoff == NULL) + return NULL; + + if (CONFIG_VBOOT_BOOT_LOADER_INDEX >= MAX_PARSED_FW_COMPONENTS) { + printk(BIOS_ERR, "Invalid boot loader index: %d\n", + CONFIG_VBOOT_BOOT_LOADER_INDEX); + return NULL; + } + + fwc = &vboot_handoff->components[CONFIG_VBOOT_BOOT_LOADER_INDEX]; + + if (len != NULL) + *len = fwc->size; + + printk(BIOS_DEBUG, "Booting 0x%x byte payload at 0x%08x.\n", + fwc->size, fwc->address); + + return (void *)fwc->address; +} +#endif |