diff options
Diffstat (limited to 'boot/image-android.c')
| -rw-r--r-- | boot/image-android.c | 54 |
1 files changed, 35 insertions, 19 deletions
diff --git a/boot/image-android.c b/boot/image-android.c index 748fd212ae..f16eebff49 100644 --- a/boot/image-android.c +++ b/boot/image-android.c @@ -66,7 +66,8 @@ static void android_boot_image_v0_v1_v2_parse_hdr(const struct andr_boot_img_hdr data->boot_img_total_size = end - (ulong)hdr; } -bool android_image_get_data(const void *boot_hdr, struct andr_image_data *data) +bool android_image_get_data(const void *boot_hdr, const void *vendor_boot_hdr, + struct andr_image_data *data) { if (!boot_hdr || !data) { printf("boot_hdr or data params can't be NULL\n"); @@ -114,8 +115,10 @@ static ulong android_image_get_kernel_addr(struct andr_image_data *img_data) /** * android_image_get_kernel() - processes kernel part of Android boot images - * @hdr: Pointer to image header, which is at the start + * @hdr: Pointer to boot image header, which is at the start * of the image. + * @vendor_boot_img: Pointer to vendor boot image header, which is at the + * start of the image. * @verify: Checksum verification flag. Currently unimplemented. * @os_data: Pointer to a ulong variable, will hold os data start * address. @@ -127,14 +130,15 @@ static ulong android_image_get_kernel_addr(struct andr_image_data *img_data) * Return: Zero, os start address and length on success, * otherwise on failure. */ -int android_image_get_kernel(const struct andr_boot_img_hdr_v0 *hdr, int verify, +int android_image_get_kernel(const struct andr_boot_img_hdr_v0 *hdr, + const void *vendor_boot_img, int verify, ulong *os_data, ulong *os_len) { struct andr_image_data img_data = {0}; u32 kernel_addr; const struct legacy_img_hdr *ihdr; - if (!android_image_get_data(hdr, &img_data)) + if (!android_image_get_data(hdr, vendor_boot_img, &img_data)) return -EINVAL; kernel_addr = android_image_get_kernel_addr(&img_data); @@ -201,11 +205,12 @@ bool is_android_boot_image_header(const struct andr_boot_img_hdr_v0 *hdr) return !memcmp(ANDR_BOOT_MAGIC, hdr, ANDR_BOOT_MAGIC_SIZE); } -ulong android_image_get_end(const struct andr_boot_img_hdr_v0 *hdr) +ulong android_image_get_end(const struct andr_boot_img_hdr_v0 *hdr, + const void *vendor_boot_img) { struct andr_image_data img_data; - if (!android_image_get_data(hdr, &img_data)) + if (!android_image_get_data(hdr, vendor_boot_img, &img_data)) return -EINVAL; if (img_data.header_version > 2) @@ -214,22 +219,24 @@ ulong android_image_get_end(const struct andr_boot_img_hdr_v0 *hdr) return img_data.boot_img_total_size; } -ulong android_image_get_kload(const struct andr_boot_img_hdr_v0 *hdr) +ulong android_image_get_kload(const struct andr_boot_img_hdr_v0 *hdr, + const void *vendor_boot_img) { struct andr_image_data img_data; - if (!android_image_get_data(hdr, &img_data)) + if (!android_image_get_data(hdr, vendor_boot_img, &img_data)) return -EINVAL; return android_image_get_kernel_addr(&img_data); } -ulong android_image_get_kcomp(const struct andr_boot_img_hdr_v0 *hdr) +ulong android_image_get_kcomp(const struct andr_boot_img_hdr_v0 *hdr, + const void *vendor_boot_img) { struct andr_image_data img_data; const void *p; - if (!android_image_get_data(hdr, &img_data)) + if (!android_image_get_data(hdr, vendor_boot_img, &img_data)) return -EINVAL; p = (const void *)img_data.kernel_ptr; @@ -242,11 +249,11 @@ ulong android_image_get_kcomp(const struct andr_boot_img_hdr_v0 *hdr) } int android_image_get_ramdisk(const struct andr_boot_img_hdr_v0 *hdr, - ulong *rd_data, ulong *rd_len) + const void *vendor_boot_img, ulong *rd_data, ulong *rd_len) { struct andr_image_data img_data = {0}; - if (!android_image_get_data(hdr, &img_data)) + if (!android_image_get_data(hdr, vendor_boot_img, &img_data)) return -EINVAL; if (!img_data.ramdisk_size) { @@ -268,7 +275,7 @@ int android_image_get_second(const struct andr_boot_img_hdr_v0 *hdr, { struct andr_image_data img_data; - if (!android_image_get_data(hdr, &img_data)) + if (!android_image_get_data(hdr, NULL, &img_data)) return -EINVAL; if (!img_data.second_size) { @@ -348,11 +355,12 @@ exit: /** * android_image_get_dtb_img_addr() - Get the address of DTB area in boot image. * @hdr_addr: Boot image header address + * @vhdr_addr: Vendor Boot image header address * @addr: Will contain the address of DTB area in boot image * * Return: true on success or false on fail. */ -static bool android_image_get_dtb_img_addr(ulong hdr_addr, ulong *addr) +static bool android_image_get_dtb_img_addr(ulong hdr_addr, ulong vhdr_addr, ulong *addr) { const struct andr_boot_img_hdr_v0 *hdr; ulong dtb_img_addr; @@ -395,6 +403,7 @@ exit: /** * android_image_get_dtb_by_index() - Get address and size of blob in DTB area. * @hdr_addr: Boot image header address + * @vendor_boot_img: Pointer to vendor boot image header, which is at the start of the image. * @index: Index of desired DTB in DTB area (starting from 0) * @addr: If not NULL, will contain address to specified DTB * @size: If not NULL, will contain size of specified DTB @@ -404,17 +413,24 @@ exit: * * Return: true on success or false on error. */ -bool android_image_get_dtb_by_index(ulong hdr_addr, u32 index, ulong *addr, - u32 *size) +bool android_image_get_dtb_by_index(ulong hdr_addr, ulong vendor_boot_img, + u32 index, ulong *addr, u32 *size) { struct andr_image_data img_data; const struct andr_boot_img_hdr_v0 *hdr; + const struct andr_vnd_boot_img_hdr *vhdr; hdr = map_sysmem(hdr_addr, sizeof(*hdr)); - if (!android_image_get_data(hdr, &img_data)) { + if (vendor_boot_img != -1) + vhdr = map_sysmem(vendor_boot_img, sizeof(*vhdr)); + if (!android_image_get_data(hdr, vhdr, &img_data)) { + if (vendor_boot_img != -1) + unmap_sysmem(vhdr); unmap_sysmem(hdr); return false; } + if (vendor_boot_img != -1) + unmap_sysmem(vhdr); unmap_sysmem(hdr); ulong dtb_img_addr; /* address of DTB part in boot image */ @@ -422,7 +438,7 @@ bool android_image_get_dtb_by_index(ulong hdr_addr, u32 index, ulong *addr, ulong dtb_addr; /* address of DTB blob with specified index */ u32 i; /* index iterator */ - android_image_get_dtb_img_addr(hdr_addr, &dtb_img_addr); + android_image_get_dtb_img_addr(hdr_addr, vendor_boot_img, &dtb_img_addr); /* Check if DTB area of boot image is in DTBO format */ if (android_dt_check_header(dtb_img_addr)) { return android_dt_get_fdt_by_index(dtb_img_addr, index, addr, @@ -578,7 +594,7 @@ bool android_image_print_dtb_contents(ulong hdr_addr) ulong dtb_addr; /* address of DTB blob with specified index */ u32 i; /* index iterator */ - res = android_image_get_dtb_img_addr(hdr_addr, &dtb_img_addr); + res = android_image_get_dtb_img_addr(hdr_addr, 0, &dtb_img_addr); if (!res) return false; |