From b97a2a0a21f279d66de8a9bdbfe21920968bcb1c Mon Sep 17 00:00:00 2001 From: Marian Balakowicz Date: Tue, 8 Jan 2008 18:14:09 +0100 Subject: [new uImage] Define a API for image handling operations - Add inline helper macros for basic header processing - Move common non inline code common/image.c - Replace direct header access with the API routines - Rename IH_CPU_* to IH_ARCH_* Signed-off-by: Marian Balakowicz --- lib_avr32/avr32_linux.c | 49 ++++++++++++++++++------------------------------- 1 file changed, 18 insertions(+), 31 deletions(-) (limited to 'lib_avr32') diff --git a/lib_avr32/avr32_linux.c b/lib_avr32/avr32_linux.c index 62afbd249..44827ec88 100644 --- a/lib_avr32/avr32_linux.c +++ b/lib_avr32/avr32_linux.c @@ -36,8 +36,6 @@ extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); /* CPU-specific hook to allow flushing of caches, etc. */ extern void prepare_to_boot(void); -extern image_header_t header; /* from cmd_bootm.c */ - static struct tag *setup_start_tag(struct tag *params) { params->hdr.tag = ATAG_CORE; @@ -181,7 +179,6 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], unsigned long data, len = 0; unsigned long initrd_start, initrd_end; unsigned long image_start, image_end; - unsigned long checksum; void (*theKernel)(int magic, void *tagtable); image_header_t *hdr; struct tag *params, *params_start; @@ -189,9 +186,9 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], hdr = (image_header_t *)addr; image_start = addr; - image_end = addr + hdr->ih_size; + image_end = addr + image_get_data_size (hdr); - theKernel = (void *)ntohl(hdr->ih_ep); + theKernel = (void *)image_get_ep (hdr); /* * Check if there is an initrd image @@ -200,42 +197,28 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], show_boot_progress (9); addr = simple_strtoul(argv[2], NULL, 16); + hdr = (image_header_t *)addr; printf("## Loading RAMDISK image at %08lx ...\n", addr); - memcpy(&header, (char *)addr, sizeof(header)); - hdr = &header; - - if (ntohl(hdr->ih_magic) != IH_MAGIC) { + if (!image_check_magic (hdr)) { puts("Bad Magic Number\n"); show_boot_progress (-10); do_reset(cmdtp, flag, argc, argv); } - data = (unsigned long)hdr; - len = sizeof(*hdr); - checksum = ntohl(hdr->ih_hcrc); - hdr->ih_hcrc = 0; - - if (crc32(0, (unsigned char *)data, len) != checksum) { + if (!image_check_hcrc (hdr)) { puts("Bad Header Checksum\n"); show_boot_progress (-11); do_reset(cmdtp, flag, argc, argv); } show_boot_progress (10); - - print_image_hdr(hdr); - - data = addr + sizeof(header); - len = ntohl(hdr->ih_size); + print_image_hdr (hdr); if (verify) { - unsigned long csum = 0; - puts(" Verifying Checksum ... "); - csum = crc32(0, (unsigned char *)data, len); - if (csum != ntohl(hdr->ih_dcrc)) { + if (!image_check_dcrc (hdr)) { puts("Bad Data CRC\n"); show_boot_progress (-12); do_reset(cmdtp, flag, argc, argv); @@ -245,15 +228,19 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], show_boot_progress (11); - if ((hdr->ih_os != IH_OS_LINUX) || - (hdr->ih_arch != IH_CPU_AVR32) || - (hdr->ih_type != IH_TYPE_RAMDISK)) { + if (!image_check_os (hdr, IH_OS_LINUX) || + !image_check_arch (hdr, IH_ARCH_AVR32) || + !image_check_type (hdr, IH_TYPE_RAMDISK)) { puts("Not a Linux/AVR32 RAMDISK image\n"); show_boot_progress (-13); do_reset(cmdtp, flag, argc, argv); } - } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) { - ulong tail = ntohl (len_ptr[0]) % 4; + + data = image_get_data (hdr); + len = image_get_data_size (hdr); + + } else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1])) { + ulong tail = image_to_cpu (len_ptr[0]) % 4; int i; show_boot_progress (13); @@ -264,12 +251,12 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], for (i = 1; len_ptr[i]; ++i) data += 4; /* add kernel length, and align */ - data += ntohl (len_ptr[0]); + data += image_to_cpu (len_ptr[0]); if (tail) { data += 4 - tail; } - len = ntohl (len_ptr[1]); + len = image_to_cpu (len_ptr[1]); } else { /* no initrd image */ show_boot_progress (14); -- cgit v1.2.3