From ab857f2613be39274d0870768720067ff9d859c0 Mon Sep 17 00:00:00 2001 From: Troy Kisky Date: Wed, 3 Oct 2012 15:47:09 +0000 Subject: imximage: make set_imx_hdr_v1/v2 easier to read Signed-off-by: Troy Kisky --- tools/imximage.c | 30 +++++++++++------------------- 1 file changed, 11 insertions(+), 19 deletions(-) (limited to 'tools') diff --git a/tools/imximage.c b/tools/imximage.c index 87a6b59e00..63f88b6c42 100644 --- a/tools/imximage.c +++ b/tools/imximage.c @@ -201,25 +201,19 @@ static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len, imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1; flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; - uint32_t base_offset; + uint32_t hdr_base; uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr) - ((char *)imxhdr)); /* Set magic number */ fhdr_v1->app_code_barker = APP_CODE_BARKER; - fhdr_v1->app_dest_ptr = entry_point - flash_offset - - sizeof(struct imx_header); + hdr_base = entry_point - sizeof(struct imx_header); + fhdr_v1->app_dest_ptr = hdr_base - flash_offset; fhdr_v1->app_code_jump_vector = entry_point; - base_offset = fhdr_v1->app_dest_ptr + flash_offset; - fhdr_v1->dcd_ptr_ptr = - (uint32_t) (offsetof(flash_header_v1_t, dcd_ptr) - - offsetof(flash_header_v1_t, app_code_jump_vector) + - base_offset); - - fhdr_v1->dcd_ptr = base_offset + - offsetof(imx_header_v1_t, dcd_table); + fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr); + fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table); /* Security feature are not supported */ fhdr_v1->app_code_csf = 0; @@ -232,6 +226,7 @@ static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, { imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2; flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; + uint32_t hdr_base; /* Set magic number */ fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ @@ -240,15 +235,12 @@ static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, fhdr_v2->entry = entry_point; fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0; - fhdr_v2->self = entry_point - sizeof(struct imx_header); - - fhdr_v2->dcd_ptr = fhdr_v2->self + - offsetof(imx_header_v2_t, dcd_table); - - fhdr_v2->boot_data_ptr = fhdr_v2->self + - offsetof(imx_header_v2_t, boot_data); + fhdr_v2->self = hdr_base = entry_point - sizeof(struct imx_header); - hdr_v2->boot_data.start = fhdr_v2->self - flash_offset; + fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table); + fhdr_v2->boot_data_ptr = hdr_base + + offsetof(imx_header_v2_t, boot_data); + hdr_v2->boot_data.start = hdr_base - flash_offset; /* Security feature are not supported */ fhdr_v2->csf = 0; -- cgit v1.2.3