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author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-06-14 20:44:06 -0700 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-06-15 09:01:09 +0200 |
commit | 2c8719d1c751b84ae95cffe931afb9318c6c0165 (patch) | |
tree | 2b5274f8c89f2d8ab4c2e5447f5108153ba84c06 /scripts | |
parent | 29656cc7888abadf19f0a72421177c96f7ebb35c (diff) | |
download | barebox-2c8719d1c751b84ae95cffe931afb9318c6c0165.tar.gz barebox-2c8719d1c751b84ae95cffe931afb9318c6c0165.tar.xz |
scripts: imx-image: Share the code to write barebox header
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/imx/imx-image.c | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/scripts/imx/imx-image.c b/scripts/imx/imx-image.c index bc1f821bd8..4a08581fb6 100644 --- a/scripts/imx/imx-image.c +++ b/scripts/imx/imx-image.c @@ -36,6 +36,7 @@ #include <include/filetype.h> #define FLASH_HEADER_OFFSET 0x400 +#define ARM_HEAD_SIZE_INDEX (ARM_HEAD_SIZE_OFFSET / sizeof(uint32_t)) /* * Conservative DCD element limit set to restriction v2 header size to @@ -46,7 +47,6 @@ static uint32_t dcdtable[MAX_DCD]; static int curdcd; -static int add_barebox_header; static int create_usb_image; static char *prgname; @@ -207,18 +207,14 @@ static int add_srk(void *buf, int offset, uint32_t loadaddr, const char *srkfile static int dcd_ptr_offset; static uint32_t dcd_ptr_content; -static int add_header_v1(struct config_data *data, void *buf) +static size_t add_header_v1(struct config_data *data, void *buf) { struct imx_flash_header *hdr; int dcdsize = curdcd * sizeof(uint32_t); - uint32_t *psize = buf + ARM_HEAD_SIZE_OFFSET; int offset = data->image_dcd_offset; uint32_t loadaddr = data->image_load_addr; uint32_t imagesize = data->load_size; - if (add_barebox_header) - memcpy(buf, bb_header, sizeof(bb_header)); - buf += offset; hdr = buf; @@ -250,12 +246,9 @@ static int add_header_v1(struct config_data *data, void *buf) imagesize += CSF_LEN; } - if (add_barebox_header) - *psize = imagesize; - *(uint32_t *)buf = imagesize; - return 0; + return imagesize; } static int write_mem_v1(uint32_t addr, uint32_t val, int width, int set_bits, int clear_bits) @@ -283,18 +276,14 @@ static int write_mem_v1(uint32_t addr, uint32_t val, int width, int set_bits, in * ============================================================================ */ -static int add_header_v2(const struct config_data *data, void *buf) +static size_t add_header_v2(const struct config_data *data, void *buf) { struct imx_flash_header_v2 *hdr; int dcdsize = curdcd * sizeof(uint32_t); - uint32_t *psize = buf + ARM_HEAD_SIZE_OFFSET; int offset = data->image_dcd_offset; uint32_t loadaddr = data->image_load_addr; uint32_t imagesize = data->load_size; - if (add_barebox_header) - memcpy(buf, bb_header, sizeof(bb_header)); - buf += offset; hdr = buf; @@ -320,9 +309,6 @@ static int add_header_v2(const struct config_data *data, void *buf) hdr->boot_data.size += CSF_LEN; } - if (add_barebox_header) - *psize = hdr->boot_data.size; - hdr->dcd_header.tag = TAG_DCD_HEADER; hdr->dcd_header.length = htobe16(sizeof(uint32_t) + dcdsize); hdr->dcd_header.version = DCD_VERSION; @@ -331,7 +317,7 @@ static int add_header_v2(const struct config_data *data, void *buf) memcpy(buf, dcdtable, dcdsize); - return 0; + return imagesize; } static void usage(const char *prgname) @@ -680,6 +666,8 @@ int main(int argc, char *argv[]) int now = 0; int sign_image = 0; int i, header_copies; + int add_barebox_header; + uint32_t barebox_image_size; struct config_data data = { .image_dcd_offset = 0xffffffff, .write_mem = write_mem, @@ -792,7 +780,7 @@ int main(int argc, char *argv[]) switch (data.header_version) { case 1: - add_header_v1(&data, buf); + barebox_image_size = add_header_v1(&data, buf); if (data.srkfile) { ret = add_srk(buf, data.image_dcd_offset, data.image_load_addr, data.srkfile); @@ -807,7 +795,7 @@ int main(int argc, char *argv[]) exit(1); } - add_header_v2(&data, buf); + barebox_image_size = add_header_v2(&data, buf); break; default: fprintf(stderr, "Congratulations! You're welcome to implement header version %d\n", @@ -815,6 +803,8 @@ int main(int argc, char *argv[]) exit(1); } + bb_header[ARM_HEAD_SIZE_INDEX] = barebox_image_size; + infile = read_file(imagename, &insize); if (!infile) exit(1); @@ -828,7 +818,15 @@ int main(int argc, char *argv[]) header_copies = (data.cpu_type == IMX_CPU_IMX35) ? 2 : 1; for (i = 0; i < header_copies; i++) { - ret = xwrite(outfd, buf, HEADER_LEN); + ret = xwrite(outfd, add_barebox_header ? bb_header : buf, + sizeof(bb_header)); + if (ret < 0) { + perror("write"); + exit(1); + } + + ret = xwrite(outfd, buf + sizeof(bb_header), + HEADER_LEN - sizeof(bb_header)); if (ret < 0) { perror("write"); exit(1); |