diff options
Diffstat (limited to 'common/cmd_fastboot.c')
| -rw-r--r-- | common/cmd_fastboot.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/common/cmd_fastboot.c b/common/cmd_fastboot.c index 16384e7..b41b8ee 100644 --- a/common/cmd_fastboot.c +++ b/common/cmd_fastboot.c @@ -1549,7 +1549,10 @@ int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #ifdef CONFIG_SECURE_BOOT #define IVT_SIZE 0x20 #define CSF_PAD_SIZE 0x2000 -#define ANDROID_BOOT_AUTH_SIZE 0x740000 +/* Max of bootimage size to be 16MB */ +#define MAX_ANDROID_BOOT_AUTH_SIZE 0x1000000 +/* Size appended to boot.img with boot_signer */ +#define BOOTIMAGE_SIGNATURE_SIZE 0x100 #endif int i = 0; bootm_headers_t images; @@ -1627,14 +1630,16 @@ int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) bootimg_addr = hdr->kernel_addr - hdr->page_size; #ifdef CONFIG_SECURE_BOOT - /* Default boot.img should be padded to ANDROID_BOOT_AUTH_SIZE - before appended with IVT&CSF data. If the default boot.img exceed the - size, the IVT&CSF data cannot appended to the end of boot.img */ - if (image_size > ANDROID_BOOT_AUTH_SIZE) { + /* Default boot.img should be padded to 0x1000 + before appended with IVT&CSF data. Set the threshold of + boot image for athendication as 16MB + */ + image_size += BOOTIMAGE_SIGNATURE_SIZE; + image_size = ALIGN_SECTOR(image_size, 0x1000); + if (image_size > MAX_ANDROID_BOOT_AUTH_SIZE) { printf("The image size is too large for athenticated boot!\n"); return 1; } - image_size = ANDROID_BOOT_AUTH_SIZE; /* Make sure all data boot.img + IVT + CSF been read to memory */ bootimg_sectors = image_size/512 + ALIGN_SECTOR(IVT_SIZE + CSF_PAD_SIZE, 512)/512; @@ -1720,12 +1725,11 @@ int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) image_size = hdr->page_size + ALIGN_SECTOR(hdr->kernel_size, hdr->page_size) + ALIGN_SECTOR(hdr->ramdisk_size, hdr->page_size) + - ALIGN_SECTOR(hdr->second_size, hdr->page_size); - if (image_size > ANDROID_BOOT_AUTH_SIZE) { + ALIGN_SECTOR(hdr->second_size, hdr->page_size) + BOOTIMAGE_SIGNATURE_SIZE; + if (image_size > MAX_ANDROID_BOOT_AUTH_SIZE) { printf("The image size is too large for athenticated boot!\n"); return 1; } - image_size = ANDROID_BOOT_AUTH_SIZE; bootimg_addr = addr; extern uint32_t authenticate_image(uint32_t ddr_start, uint32_t image_size); |