Use map_to_sysmem() to convert header pointers to physical addresses in parse_hdr functions, and add proper map_sysmem()/unmap_sysmem() calls in android_image_get_data() for sandbox compatibility.
Reviewed-by: Mattijs Korpershoek <[email protected]> Reviewed-by: Simon Glass <[email protected]> Signed-off-by: Guillaume La Roque (TI.com) <[email protected]> --- boot/image-android.c | 41 ++++++++++++++++++++++++++++------------- 1 file changed, 28 insertions(+), 13 deletions(-) diff --git a/boot/image-android.c b/boot/image-android.c index 877cd39fbef..48886f39e4c 100644 --- a/boot/image-android.c +++ b/boot/image-android.c @@ -114,7 +114,7 @@ static void android_boot_image_v3_v4_parse_hdr(const struct andr_boot_img_hdr_v3 * The header takes a full page, the remaining components are aligned * on page boundary. */ - end = (ulong)hdr; + end = map_to_sysmem(hdr); end += ANDR_GKI_PAGE_SIZE; data->kernel_ptr = end; data->kernel_size = hdr->kernel_size; @@ -127,7 +127,7 @@ static void android_boot_image_v3_v4_parse_hdr(const struct andr_boot_img_hdr_v3 if (hdr->header_version > 3) end += ALIGN(hdr->signature_size, ANDR_GKI_PAGE_SIZE); - data->boot_img_total_size = end - (ulong)hdr; + data->boot_img_total_size = end - map_to_sysmem(hdr); } static void android_vendor_boot_image_v3_v4_parse_hdr(const struct andr_vnd_boot_img_hdr @@ -146,7 +146,7 @@ static void android_vendor_boot_image_v3_v4_parse_hdr(const struct andr_vnd_boot data->ramdisk_addr = hdr->ramdisk_addr; data->dtb_load_addr = hdr->dtb_addr; data->bootconfig_size = hdr->bootconfig_size; - end = (ulong)hdr; + end = map_to_sysmem(hdr); if (hdr->header_version > 3) end += ALIGN(ANDR_VENDOR_BOOT_V4_SIZE, hdr->page_size); @@ -167,12 +167,16 @@ static void android_vendor_boot_image_v3_v4_parse_hdr(const struct andr_vnd_boot end += ALIGN(hdr->vendor_ramdisk_table_size, hdr->page_size); data->bootconfig_addr = end; if (hdr->bootconfig_size) { - data->bootconfig_size += add_trailer(data->bootconfig_addr, + void *bootconfig_ptr = map_sysmem(data->bootconfig_addr, + data->bootconfig_size + + BOOTCONFIG_TRAILER_SIZE); + data->bootconfig_size += add_trailer((ulong)bootconfig_ptr, data->bootconfig_size); + unmap_sysmem(bootconfig_ptr); data->ramdisk_size += data->bootconfig_size; } end += ALIGN(data->bootconfig_size, hdr->page_size); - data->vendor_boot_img_total_size = end - (ulong)hdr; + data->vendor_boot_img_total_size = end - map_to_sysmem(hdr); } static void android_boot_image_v0_v1_v2_parse_hdr(const struct andr_boot_img_hdr_v0 *hdr, @@ -187,7 +191,7 @@ static void android_boot_image_v0_v1_v2_parse_hdr(const struct andr_boot_img_hdr data->header_version = hdr->header_version; data->dtb_load_addr = hdr->dtb_addr; - end = (ulong)hdr; + end = map_to_sysmem(hdr); /* * The header takes a full page, the remaining components are aligned @@ -220,7 +224,7 @@ static void android_boot_image_v0_v1_v2_parse_hdr(const struct andr_boot_img_hdr end += ALIGN(hdr->dtb_size, hdr->page_size); } - data->boot_img_total_size = end - (ulong)hdr; + data->boot_img_total_size = end - map_to_sysmem(hdr); } bool android_image_get_bootimg_size(const void *hdr, u32 *boot_img_size) @@ -271,31 +275,42 @@ bool android_image_get_vendor_bootimg_size(const void *hdr, u32 *vendor_boot_img bool android_image_get_data(const void *boot_hdr, const void *vendor_boot_hdr, struct andr_image_data *data) { + const struct andr_boot_img_hdr_v0 *bhdr; + const struct andr_vnd_boot_img_hdr *vhdr; + if (!boot_hdr || !data) { printf("boot_hdr or data params can't be NULL\n"); return false; } - if (!is_android_boot_image_header(boot_hdr)) { + bhdr = map_sysmem((ulong)boot_hdr, sizeof(*bhdr)); + if (!is_android_boot_image_header(bhdr)) { printf("Incorrect boot image header\n"); + unmap_sysmem(bhdr); return false; } - if (((struct andr_boot_img_hdr_v0 *)boot_hdr)->header_version > 2) { + if (bhdr->header_version > 2) { if (!vendor_boot_hdr) { printf("For boot header v3+ vendor boot image has to be provided\n"); + unmap_sysmem(bhdr); return false; } - if (!is_android_vendor_boot_image_header(vendor_boot_hdr)) { + vhdr = map_sysmem((ulong)vendor_boot_hdr, sizeof(*vhdr)); + if (!is_android_vendor_boot_image_header(vhdr)) { printf("Incorrect vendor boot image header\n"); + unmap_sysmem(vhdr); + unmap_sysmem(bhdr); return false; } - android_boot_image_v3_v4_parse_hdr(boot_hdr, data); - android_vendor_boot_image_v3_v4_parse_hdr(vendor_boot_hdr, data); + android_boot_image_v3_v4_parse_hdr((const struct andr_boot_img_hdr_v3 *)bhdr, data); + android_vendor_boot_image_v3_v4_parse_hdr(vhdr, data); + unmap_sysmem(vhdr); } else { - android_boot_image_v0_v1_v2_parse_hdr(boot_hdr, data); + android_boot_image_v0_v1_v2_parse_hdr(bhdr, data); } + unmap_sysmem(bhdr); return true; } -- 2.34.1
