#include "imagetool.h"
#include <image.h>
+#include <u-boot/sha256.h>
#include <rc4.h>
#include "mkimage.h"
#include "rkcommon.h"
enum {
RK_MAGIC = 0x0ff0aa55,
+ RK_MAGIC_V2 = 0x534E4B52,
};
enum {
RK_HEADER_V1 = 1,
+ RK_HEADER_V2 = 2,
+};
+
+enum hash_type {
+ HASH_NONE = 0,
+ HASH_SHA256 = 1,
+ HASH_SHA512 = 2,
+};
+
+/**
+ * struct image_entry
+ *
+ * @size_and_off: [31:16]image size;[15:0]image offset
+ * @address: default as 0xFFFFFFFF
+ * @flag: no use
+ * @counter: no use
+ * @hash: hash of image
+ *
+ */
+struct image_entry {
+ uint32_t size_and_off;
+ uint32_t address;
+ uint32_t flag;
+ uint32_t counter;
+ uint8_t reserved[8];
+ uint8_t hash[64];
+};
+
+/**
+ * struct header0_info_v2 - v2 header block for rockchip BootRom
+ *
+ * This is stored at SD card block 64 (where each block is 512 bytes)
+ *
+ * @magic: Magic (must be RK_MAGIC_V2)
+ * @size_and_nimage: [31:16]number of images;[15:0]
+ * offset to hash field of header(unit as 4Byte)
+ * @boot_flag: [3:0]hash type(0:none,1:sha256,2:sha512)
+ * @signature: hash or signature for header info
+ *
+ */
+struct header0_info_v2 {
+ uint32_t magic;
+ uint8_t reserved[4];
+ uint32_t size_and_nimage;
+ uint32_t boot_flag;
+ uint8_t reserved1[104];
+ struct image_entry images[4];
+ uint8_t reserved2[1064];
+ uint8_t hash[512];
};
/**
return info->spl_hdr;
}
-
int rkcommon_get_spl_size(struct image_tool_params *params)
{
struct spl_info *info = rkcommon_get_spl_info(params->imagename);
return info->spl_rc4;
}
+bool rkcommon_is_header_v2(struct image_tool_params *params)
+{
+ struct spl_info *info = rkcommon_get_spl_info(params->imagename);
+
+ return (info->header_ver == RK_HEADER_V2);
+}
+
+static void do_sha256_hash(uint8_t *buf, uint32_t size, uint8_t *out)
+{
+ sha256_context ctx;
+
+ sha256_starts(&ctx);
+ sha256_update(&ctx, buf, size);
+ sha256_finish(&ctx, out);
+}
+
static void rkcommon_set_header0(void *buf, struct image_tool_params *params)
{
struct header0_info *hdr = buf;
rc4_encode(buf, RK_BLK_SIZE, rc4_key);
}
+static void rkcommon_set_header0_v2(void *buf, struct image_tool_params *params)
+{
+ struct header0_info_v2 *hdr = buf;
+ uint32_t sector_offset, image_sector_count;
+ uint32_t image_size_array[2];
+ uint8_t *image_ptr = NULL;
+ int i;
+
+ printf("Image Type: Rockchip %s boot image\n",
+ rkcommon_get_spl_hdr(params));
+ memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
+ hdr->magic = cpu_to_le32(RK_MAGIC_V2);
+ hdr->size_and_nimage = cpu_to_le32((2 << 16) + 384);
+ hdr->boot_flag = cpu_to_le32(HASH_SHA256);
+ sector_offset = 4;
+ image_size_array[0] = spl_params.init_size;
+ image_size_array[1] = spl_params.boot_size;
+
+ for (i = 0; i < 2; i++) {
+ image_sector_count = image_size_array[i] / RK_BLK_SIZE;
+ hdr->images[i].size_and_off = cpu_to_le32((image_sector_count
+ << 16) + sector_offset);
+ hdr->images[i].address = 0xFFFFFFFF;
+ hdr->images[i].counter = cpu_to_le32(i + 1);
+ image_ptr = buf + sector_offset * RK_BLK_SIZE;
+ do_sha256_hash(image_ptr, image_size_array[i],
+ hdr->images[i].hash);
+ sector_offset = sector_offset + image_sector_count;
+ }
+
+ do_sha256_hash(buf, (void *)hdr->hash - buf, hdr->hash);
+}
+
void rkcommon_set_header(void *buf, struct stat *sbuf, int ifd,
struct image_tool_params *params)
{
struct header1_info *hdr = buf + RK_SPL_HDR_START;
- rkcommon_set_header0(buf, params);
-
- /* Set up the SPL name (i.e. copy spl_hdr over) */
- memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);
+ if (rkcommon_is_header_v2(params)) {
+ rkcommon_set_header0_v2(buf, params);
+ } else {
+ rkcommon_set_header0(buf, params);
- if (rkcommon_need_rc4_spl(params))
- rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START,
- spl_params.init_size);
+ /* Set up the SPL name (i.e. copy spl_hdr over) */
+ if (memcmp(&hdr->magic, "RSAK", 4))
+ memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);
- if (spl_params.boot_file) {
if (rkcommon_need_rc4_spl(params))
- rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START,
- spl_params.init_size,
- spl_params.boot_size);
+ rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START,
+ spl_params.init_size);
+
+ if (spl_params.boot_file) {
+ if (rkcommon_need_rc4_spl(params))
+ rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START,
+ spl_params.init_size,
+ spl_params.boot_size);
+ }
}
}
-static inline unsigned rkcommon_offset_to_spi(unsigned offset)
+static inline unsigned int rkcommon_offset_to_spi(unsigned int offset)
{
/*
* While SD/MMC images use a flat addressing, SPI images are padded
static int rkcommon_parse_header(const void *buf, struct header0_info *header0,
struct spl_info **spl_info)
{
- unsigned hdr1_offset;
+ unsigned int hdr1_offset;
struct header1_info *hdr1_sdmmc, *hdr1_spi;
int i;
return -1;
}
+static int rkcommon_parse_header_v2(const void *buf, struct header0_info_v2 *header)
+{
+ memcpy((void *)header, buf, sizeof(struct header0_info_v2));
+
+ if (le32_to_cpu(header->magic) != RK_MAGIC_V2)
+ return -EPROTO;
+
+ return 0;
+}
+
int rkcommon_verify_header(unsigned char *buf, int size,
struct image_tool_params *params)
{
void rkcommon_print_header(const void *buf)
{
struct header0_info header0;
+ struct header0_info_v2 header0_v2;
struct spl_info *spl_info;
uint8_t image_type;
int ret, boot_size, init_size;
- ret = rkcommon_parse_header(buf, &header0, &spl_info);
+ if ((*(uint32_t *)buf) == RK_MAGIC_V2) {
+ ret = rkcommon_parse_header_v2(buf, &header0_v2);
- /* If this is the (unimplemented) RC4 case, then fail silently */
- if (ret == -ENOSYS)
- return;
+ if (ret < 0) {
+ fprintf(stderr, "Error: image verification failed\n");
+ return;
+ }
- if (ret < 0) {
- fprintf(stderr, "Error: image verification failed\n");
- return;
- }
+ init_size = header0_v2.images[0].size_and_off >> 16;
+ init_size = init_size * RK_BLK_SIZE;
+ boot_size = header0_v2.images[1].size_and_off >> 16;
+ boot_size = boot_size * RK_BLK_SIZE;
+ } else {
+ ret = rkcommon_parse_header(buf, &header0, &spl_info);
+
+ /* If this is the (unimplemented) RC4 case, then fail silently */
+ if (ret == -ENOSYS)
+ return;
+
+ if (ret < 0) {
+ fprintf(stderr, "Error: image verification failed\n");
+ return;
+ }
+
+ image_type = ret;
+ init_size = header0.init_size * RK_BLK_SIZE;
+ boot_size = header0.init_boot_size * RK_BLK_SIZE - init_size;
- image_type = ret;
+ printf("Image Type: Rockchip %s (%s) boot image\n",
+ spl_info->spl_hdr,
+ (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI");
+ }
- printf("Image Type: Rockchip %s (%s) boot image\n",
- spl_info->spl_hdr,
- (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI");
- init_size = le16_to_cpu(header0.init_size) * RK_BLK_SIZE;
printf("Init Data Size: %d bytes\n", init_size);
- boot_size = le16_to_cpu(header0.init_boot_size) * RK_BLK_SIZE - init_size;
if (boot_size != RK_MAX_BOOT_SIZE)
printf("Boot Data Size: %d bytes\n", boot_size);
}
projects / u-boot.git / commitdiff
