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firmware-utils: add v2 header support to firmware-utils

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only image build works. inspect and md5 checksum support are not implemented yet

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 37717
This commit is contained in:
John Crispin 2013-08-06 12:30:52 +00:00
parent bdb2859a48
commit 85cb2c4f9e
1 changed files with 72 additions and 3 deletions
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75
tools/firmware-utils/src/mktplinkfw.c
View file

@ -30,6 +30,7 @@
#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
#define HEADER_VERSION_V1 0x01000000
#define HEADER_VERSION_V2 0x02000000
#define HWID_TL_MR10U_V1 0x00100101
#define HWID_TL_MR3020_V1 0x30200001
#define HWID_TL_MR3220_V1 0x32200001
@ -95,6 +96,31 @@ struct fw_header {
uint8_t pad[354];
} __attribute__ ((packed));
struct fw_header_v2 {
uint32_t version; /* header version */
char fw_version[48];
uint32_t hw_id; /* hardware id */
uint32_t hw_rev; /* hardware revision */
uint32_t unk1;
uint8_t md5sum1[MD5SUM_LEN];
uint32_t unk2;
uint8_t md5sum2[MD5SUM_LEN];
uint32_t unk3;
uint32_t kernel_la; /* kernel load address */
uint32_t kernel_ep; /* kernel entry point */
uint32_t fw_length; /* total length of the firmware */
uint32_t kernel_ofs; /* kernel data offset */
uint32_t kernel_len; /* kernel data length */
uint32_t rootfs_ofs; /* rootfs data offset */
uint32_t rootfs_len; /* rootfs data length */
uint32_t boot_ofs; /* bootloader data offset */
uint32_t boot_len; /* bootloader data length */
uint16_t ver_hi;
uint16_t ver_mid;
uint16_t ver_lo;
uint8_t pad[366];
} __attribute__ ((packed));
struct flash_layout {
char *id;
uint32_t fw_max_len;
@ -108,6 +134,7 @@ struct board_info {
uint32_t hw_id;
uint32_t hw_rev;
char *layout_id;
uint32_t hdr_version
};
/*
@ -663,6 +690,40 @@ static void fill_header(char *buf, int len)
get_md5(buf, len, hdr->md5sum1);
}
static void fill_header_v2(char *buf, int len)
{
struct fw_header_v2 *hdr = (struct fw_header_v2 *)buf;
memset(hdr, 0, sizeof(struct fw_header_v2));
hdr->version = htonl(HEADER_VERSION_V2);
memset(hdr->fw_version, 0xff, sizeof(hdr->fw_version));
strncpy(hdr->fw_version, version, strlen(version));
hdr->hw_id = htonl(hw_id);
hdr->hw_rev = htonl(hw_rev);
if (boot_info.file_size == 0)
memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
else
memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
hdr->kernel_la = htonl(kernel_la);
hdr->kernel_ep = htonl(kernel_ep);
hdr->fw_length = htonl(layout->fw_max_len);
hdr->kernel_ofs = htonl(sizeof(struct fw_header_v2));
hdr->kernel_len = htonl(kernel_len);
if (!combined) {
hdr->rootfs_ofs = htonl(rootfs_ofs);
hdr->rootfs_len = htonl(rootfs_info.file_size);
}
hdr->ver_hi = htons(fw_ver_hi);
hdr->ver_mid = htons(fw_ver_mid);
hdr->ver_lo = htons(fw_ver_lo);
get_md5(buf, len, hdr->md5sum1);
}
static int pad_jffs2(char *buf, int currlen)
{
int len;
@ -736,6 +797,11 @@ static int build_fw(void)
char *p;
int ret = EXIT_FAILURE;
int writelen = 0;
int hdr_len;
if (board->hdr_version == HEADER_VERSION_V2)
hdr_len = sizeof(struct fw_header_v2);
else
hdr_len = sizeof(struct fw_header);
buflen = layout->fw_max_len;
@ -746,12 +812,12 @@ static int build_fw(void)
}
memset(buf, 0xff, buflen);
p = buf + sizeof(struct fw_header);
p = buf + hdr_len;
ret = read_to_buf(&kernel_info, p);
if (ret)
goto out_free_buf;
writelen = sizeof(struct fw_header) + kernel_len;
writelen = hdr_len + kernel_len;
if (!combined) {
if (rootfs_align)
@ -775,7 +841,10 @@ static int build_fw(void)
if (!strip_padding)
writelen = buflen;
fill_header(buf, writelen);
if (board->hdr_version == HEADER_VERSION_V2)
fill_header_v2(buf, writelen);
else
fill_header(buf, writelen);
ret = write_fw(buf, writelen);
if (ret)
goto out_free_buf;