From 001382a9c4a89cb0731fe88ea1e36858b2dc9d24 Mon Sep 17 00:00:00 2001 From: blogic Date: Tue, 6 Aug 2013 12:30:52 +0000 Subject: firmware-utils: add v2 header support to firmware-utils only image build works. inspect and md5 checksum support are not implemented yet Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37717 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- tools/firmware-utils/src/mktplinkfw.c | 75 +++++++++++++++++++++++++++++++++-- 1 file changed, 72 insertions(+), 3 deletions(-) (limited to 'tools') diff --git a/tools/firmware-utils/src/mktplinkfw.c b/tools/firmware-utils/src/mktplinkfw.c index 19dc2b4cc9..ea2dccbd6b 100644 --- a/tools/firmware-utils/src/mktplinkfw.c +++ b/tools/firmware-utils/src/mktplinkfw.c @@ -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; -- cgit v1.2.3