Move from andr_boot_img_hdr_v0 to andr_image_data structure to prepare for boot image header version 3 and 4.
Signed-off-by: Safae Ouajih souajih@baylibre.com --- boot/image-android.c | 127 ++++++++++++++++++++++++------------------- cmd/abootimg.c | 31 ++++++----- include/image.h | 2 + 3 files changed, 89 insertions(+), 71 deletions(-)
diff --git a/boot/image-android.c b/boot/image-android.c index 487223d850..9dab09a69a 100644 --- a/boot/image-android.c +++ b/boot/image-android.c @@ -86,7 +86,7 @@ bool android_image_get_data(const void *boot_hdr, struct andr_image_data *data) return true; }
-static ulong android_image_get_kernel_addr(const struct andr_boot_img_hdr_v0 *hdr) +static ulong android_image_get_kernel_addr(struct andr_image_data *img_data) { /* * All the Android tools that generate a boot.img use this @@ -99,17 +99,17 @@ static ulong android_image_get_kernel_addr(const struct andr_boot_img_hdr_v0 *hd * * Otherwise, we will return the actual value set by the user. */ - if (hdr->kernel_addr == ANDROID_IMAGE_DEFAULT_KERNEL_ADDR) - return (ulong)hdr + hdr->page_size; + if (img_data->kernel_addr == ANDROID_IMAGE_DEFAULT_KERNEL_ADDR) + return img_data->kernel_ptr;
/* * abootimg creates images where all load addresses are 0 * and we need to fix them. */ - if (hdr->kernel_addr == 0 && hdr->ramdisk_addr == 0) + if (img_data->kernel_addr == 0 && img_data->ramdisk_addr == 0) return env_get_ulong("kernel_addr_r", 16, 0);
- return hdr->kernel_addr; + return img_data->kernel_addr; }
/** @@ -130,27 +130,33 @@ static ulong android_image_get_kernel_addr(const struct andr_boot_img_hdr_v0 *hd int android_image_get_kernel(const struct andr_boot_img_hdr_v0 *hdr, int verify, ulong *os_data, ulong *os_len) { - u32 kernel_addr = android_image_get_kernel_addr(hdr); - const struct legacy_img_hdr *ihdr = (const struct legacy_img_hdr *) - ((uintptr_t)hdr + hdr->page_size); + struct andr_image_data img_data = {0}; + u32 kernel_addr; + const struct legacy_img_hdr *ihdr; + + if (!android_image_get_data(hdr, &img_data)) + return -EINVAL; + + kernel_addr = android_image_get_kernel_addr(&img_data); + ihdr = (const struct legacy_img_hdr *)img_data.kernel_ptr;
/* * Not all Android tools use the id field for signing the image with * sha1 (or anything) so we don't check it. It is not obvious that the * string is null terminated so we take care of this. */ - strncpy(andr_tmp_str, hdr->name, ANDR_BOOT_NAME_SIZE); + strncpy(andr_tmp_str, img_data.image_name, ANDR_BOOT_NAME_SIZE); andr_tmp_str[ANDR_BOOT_NAME_SIZE] = '\0'; if (strlen(andr_tmp_str)) printf("Android's image name: %s\n", andr_tmp_str);
printf("Kernel load addr 0x%08x size %u KiB\n", - kernel_addr, DIV_ROUND_UP(hdr->kernel_size, 1024)); + kernel_addr, DIV_ROUND_UP(img_data.kernel_size, 1024));
int len = 0; - if (*hdr->cmdline) { - printf("Kernel command line: %s\n", hdr->cmdline); - len += strlen(hdr->cmdline); + if (*img_data.kcmdline) { + printf("Kernel command line: %s\n", img_data.kcmdline); + len += strlen(img_data.kcmdline); }
char *bootargs = env_get("bootargs"); @@ -168,8 +174,9 @@ int android_image_get_kernel(const struct andr_boot_img_hdr_v0 *hdr, int verify, strcpy(newbootargs, bootargs); strcat(newbootargs, " "); } - if (*hdr->cmdline) - strcat(newbootargs, hdr->cmdline); + + if (*img_data.kcmdline) + strcat(newbootargs, img_data.kcmdline);
env_set("bootargs", newbootargs);
@@ -177,15 +184,14 @@ int android_image_get_kernel(const struct andr_boot_img_hdr_v0 *hdr, int verify, if (image_get_magic(ihdr) == IH_MAGIC) { *os_data = image_get_data(ihdr); } else { - *os_data = (ulong)hdr; - *os_data += hdr->page_size; + *os_data = img_data.kernel_ptr; } } if (os_len) { if (image_get_magic(ihdr) == IH_MAGIC) *os_len = image_get_data_size(ihdr); else - *os_len = hdr->kernel_size; + *os_len = img_data.kernel_size; } return 0; } @@ -197,30 +203,25 @@ bool is_android_boot_image_header(const struct andr_boot_img_hdr_v0 *hdr)
ulong android_image_get_end(const struct andr_boot_img_hdr_v0 *hdr) { - ulong end; - - /* - * The header takes a full page, the remaining components are aligned - * on page boundary - */ - end = (ulong)hdr; - end += hdr->page_size; - end += ALIGN(hdr->kernel_size, hdr->page_size); - end += ALIGN(hdr->ramdisk_size, hdr->page_size); - end += ALIGN(hdr->second_size, hdr->page_size); + struct andr_image_data img_data;
- if (hdr->header_version >= 1) - end += ALIGN(hdr->recovery_dtbo_size, hdr->page_size); + if (!android_image_get_data(hdr, &img_data)) + return -EINVAL;
- if (hdr->header_version >= 2) - end += ALIGN(hdr->dtb_size, hdr->page_size); + if (img_data.header_version > 2) + return 0;
- return end; + return img_data.boot_img_total_size; }
ulong android_image_get_kload(const struct andr_boot_img_hdr_v0 *hdr) { - return android_image_get_kernel_addr(hdr); + struct andr_image_data img_data; + + if (!android_image_get_data(hdr, &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) @@ -243,38 +244,43 @@ 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) { - if (!hdr->ramdisk_size) { + struct andr_image_data img_data = {0}; + + if (!android_image_get_data(hdr, &img_data)) + return -EINVAL; + + if (!img_data.ramdisk_size) { *rd_data = *rd_len = 0; return -1; }
- printf("RAM disk load addr 0x%08x size %u KiB\n", - hdr->ramdisk_addr, DIV_ROUND_UP(hdr->ramdisk_size, 1024)); + printf("RAM disk load addr 0x%08lx size %u KiB\n", + img_data.ramdisk_ptr, DIV_ROUND_UP(img_data.ramdisk_size, 1024));
- *rd_data = (unsigned long)hdr; - *rd_data += hdr->page_size; - *rd_data += ALIGN(hdr->kernel_size, hdr->page_size); + *rd_data = img_data.ramdisk_ptr;
- *rd_len = hdr->ramdisk_size; + *rd_len = img_data.ramdisk_size; return 0; }
int android_image_get_second(const struct andr_boot_img_hdr_v0 *hdr, ulong *second_data, ulong *second_len) { - if (!hdr->second_size) { + struct andr_image_data img_data; + + if (!android_image_get_data(hdr, &img_data)) + return -EINVAL; + + if (!img_data.second_size) { *second_data = *second_len = 0; return -1; }
- *second_data = (unsigned long)hdr; - *second_data += hdr->page_size; - *second_data += ALIGN(hdr->kernel_size, hdr->page_size); - *second_data += ALIGN(hdr->ramdisk_size, hdr->page_size); + *second_data = img_data.second_ptr;
printf("second address is 0x%lx\n",*second_data);
- *second_len = hdr->second_size; + *second_len = img_data.second_size; return 0; }
@@ -339,6 +345,8 @@ exit: return ret; }
+#if !defined(CONFIG_SPL_BUILD) +#ifdef CONFIG_CMD_ABOOTIMG /** * android_image_get_dtb_img_addr() - Get the address of DTB area in boot image. * @hdr_addr: Boot image header address @@ -385,6 +393,8 @@ exit: unmap_sysmem(hdr); return ret; } +#endif +#endif
/** * android_image_get_dtb_by_index() - Get address and size of blob in DTB area. @@ -401,17 +411,22 @@ exit: bool android_image_get_dtb_by_index(ulong hdr_addr, u32 index, ulong *addr, u32 *size) { + struct andr_image_data img_data; const struct andr_boot_img_hdr_v0 *hdr; - bool res; + + hdr = map_sysmem(hdr_addr, sizeof(*hdr)); + if (!android_image_get_data(hdr, &img_data)) { + unmap_sysmem(hdr); + return false; + } + unmap_sysmem(hdr); + ulong dtb_img_addr; /* address of DTB part in boot image */ u32 dtb_img_size; /* size of DTB payload in boot image */ 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); - if (!res) - return false; - + android_image_get_dtb_img_addr(hdr_addr, &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, @@ -419,9 +434,7 @@ bool android_image_get_dtb_by_index(ulong hdr_addr, u32 index, ulong *addr, }
/* Find out the address of DTB with specified index in concat blobs */ - hdr = map_sysmem(hdr_addr, sizeof(*hdr)); - dtb_img_size = hdr->dtb_size; - unmap_sysmem(hdr); + dtb_img_size = img_data.dtb_size; i = 0; dtb_addr = dtb_img_addr; while (dtb_addr < dtb_img_addr + dtb_img_size) { @@ -506,6 +519,7 @@ void android_print_contents(const struct andr_boot_img_hdr_v0 *hdr) } }
+#ifdef CONFIG_CMD_ABOOTIMG /** * android_image_print_dtb_info - Print info for one DTB blob in DTB area. * @fdt: DTB header @@ -610,3 +624,4 @@ bool android_image_print_dtb_contents(ulong hdr_addr) return true; } #endif +#endif diff --git a/cmd/abootimg.c b/cmd/abootimg.c index b5cfb141ef..f04a7c7c8e 100644 --- a/cmd/abootimg.c +++ b/cmd/abootimg.c @@ -66,33 +66,34 @@ static int abootimg_get_recovery_dtbo(int argc, char *const argv[])
static int abootimg_get_dtb_load_addr(int argc, char *const argv[]) { - const struct andr_boot_img_hdr_v0 *hdr; - int res = CMD_RET_SUCCESS; - if (argc > 1) return CMD_RET_USAGE; + struct andr_image_data img_data = {0}; + const struct andr_boot_img_hdr_v0 *hdr;
hdr = map_sysmem(abootimg_addr(), sizeof(*hdr)); - if (!is_android_boot_image_header(hdr)) { - printf("Error: Boot Image header is incorrect\n"); - res = CMD_RET_FAILURE; - goto exit; + if (!android_image_get_data(hdr, &img_data)) { + unmap_sysmem(hdr); + return CMD_RET_FAILURE; } + unmap_sysmem(hdr);
- if (hdr->header_version < 2) { + if (img_data.header_version < 2) { printf("Error: header_version must be >= 2 for this\n"); - res = CMD_RET_FAILURE; - goto exit; + return CMD_RET_FAILURE; + } + + if (!img_data.dtb_load_addr) { + printf("Error: failed to read dtb_load_addr\n"); + return CMD_RET_FAILURE; }
if (argc == 0) - printf("%lx\n", (ulong)hdr->dtb_addr); + printf("%lx\n", (ulong)img_data.dtb_load_addr); else - env_set_hex(argv[0], (ulong)hdr->dtb_addr); + env_set_hex(argv[0], (ulong)img_data.dtb_load_addr);
-exit: - unmap_sysmem(hdr); - return res; + return CMD_RET_SUCCESS; }
static int abootimg_get_dtb_by_index(int argc, char *const argv[]) diff --git a/include/image.h b/include/image.h index 9a0bd9d8f2..6264d13e0c 100644 --- a/include/image.h +++ b/include/image.h @@ -1750,7 +1750,9 @@ ulong android_image_get_end(const struct andr_boot_img_hdr_v0 *hdr); ulong android_image_get_kload(const struct andr_boot_img_hdr_v0 *hdr); ulong android_image_get_kcomp(const struct andr_boot_img_hdr_v0 *hdr); void android_print_contents(const struct andr_boot_img_hdr_v0 *hdr); +#ifdef CONFIG_CMD_ABOOTIMG bool android_image_print_dtb_contents(ulong hdr_addr); +#endif bool is_android_boot_image_header(const struct andr_boot_img_hdr_v0 *hdr);
/**