diff options
Diffstat (limited to 'src/vendorcode/google/chromeos')
| -rw-r--r-- | src/vendorcode/google/chromeos/chromeos.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/src/vendorcode/google/chromeos/chromeos.c b/src/vendorcode/google/chromeos/chromeos.c index bd72e77e6c..5696aec787 100644 --- a/src/vendorcode/google/chromeos/chromeos.c +++ b/src/vendorcode/google/chromeos/chromeos.c @@ -222,9 +222,10 @@ void *vboot_load_stage(int stage_index, struct vboot_region *fw_main, struct vboot_components *fw_info) { - struct cbfs_stage *stage; + struct cbfs_media default_media, *media = &default_media; uintptr_t fc_addr; uint32_t fc_size; + void *entry; if (stage_index >= fw_info->num_components) { printk(BIOS_INFO, "invalid stage index\n"); @@ -239,27 +240,15 @@ void *vboot_load_stage(int stage_index, return NULL; } - /* Loading to cbfs cache. This stage data must be retained until it's - * decompressed. */ - stage = vboot_get_region(fc_addr, fc_size, NULL); + init_default_cbfs_media(media); - if (stage == NULL) { - printk(BIOS_INFO, "failed to load a stage\n"); - return NULL; - } - - /* Stages rely the below clearing so that the bss is initialized. */ - memset((void *) (uintptr_t)stage->load, 0, stage->memlen); - - if (cbfs_decompress(stage->compression, - (unsigned char *)stage + sizeof(*stage), - (void *) (uintptr_t) stage->load, - stage->len)) { - printk(BIOS_INFO, "failed to decompress a stage\n"); - return NULL; - } - - return (void *)(uintptr_t)stage->entry; + /* we're making cbfs access offset outside of the region managed by + * cbfs. this works because cbfs_load_stage_by_offset does not check + * the offset. */ + entry = cbfs_load_stage_by_offset(media, fc_addr); + if (entry == (void *)-1) + entry = NULL; + return entry; } struct vb2_working_data * const vboot_get_working_data(void) |