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author | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
commit | 92558d67a463bfbb351d30e28648de03b635f024 (patch) | |
tree | a5d41b991a151e72663527a96fbc6c494565d65c /target/linux/etrax/image/mkfimage/src/mkfimage.c | |
parent | e1dbce411cd2a3a067f387cee011cd889486a07d (diff) | |
download | upstream-92558d67a463bfbb351d30e28648de03b635f024.tar.gz upstream-92558d67a463bfbb351d30e28648de03b635f024.tar.bz2 upstream-92558d67a463bfbb351d30e28648de03b635f024.zip |
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/etrax/image/mkfimage/src/mkfimage.c')
-rw-r--r-- | target/linux/etrax/image/mkfimage/src/mkfimage.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/etrax/image/mkfimage/src/mkfimage.c b/target/linux/etrax/image/mkfimage/src/mkfimage.c new file mode 100644 index 0000000000..51b8192de9 --- /dev/null +++ b/target/linux/etrax/image/mkfimage/src/mkfimage.c @@ -0,0 +1,72 @@ +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> + +int main(int argc, char **argv){ + unsigned char *buffer = malloc(64 * 1024); + struct stat s; + unsigned int size_vmlinux = 0, real_size_vmlinux = 0; + const unsigned char *magic_str = "ACME_PART_MAGIC"; + unsigned int loop; + unsigned char *magic; + + if(argc != 3){ + printf("%s in out\n", argv[0]); + return 1; + } + + printf("Generating image\n"); + + FILE *vmlinux = fopen(argv[1], "r"); + FILE *vmlinux_out = fopen(argv[2], "w"); + if((!vmlinux) || (!vmlinux_out)){ + printf("Error opening a file\n"); + return 1; + } + + stat(argv[1], &s); + size_vmlinux = s.st_size; + real_size_vmlinux = (size_vmlinux & 0xffff0000) + 0x10000; + + printf("vmlinux = 0x%.08X / 0x%.08X\n", size_vmlinux, real_size_vmlinux); + + unsigned int t = fread(buffer, 1, 64 * 1024, vmlinux); + for(loop = 0; loop < (64 * 1024) - sizeof(magic_str); loop++){ + if(buffer[loop] == magic_str[0]){ + if((magic = strstr(&buffer[loop], magic_str))){ + printf("Magic at 0x%.08X %p %p\n", magic - buffer, magic, buffer); + printf("Found Magic %X%X%X%X\n", + buffer[loop + strlen(magic_str)], + buffer[loop + strlen(magic_str) + 2], + buffer[loop + strlen(magic_str) + 1], + buffer[loop + strlen(magic_str) + 3]); + + buffer[loop + strlen(magic_str)] = real_size_vmlinux >> 24; + buffer[loop + strlen(magic_str) + 2] = (real_size_vmlinux >> 16) & 0xff; + buffer[loop + strlen(magic_str) + 1] = (real_size_vmlinux >> 8) & 0xff; + buffer[loop + strlen(magic_str) + 3] = (real_size_vmlinux) & 0xff; + + printf("Replaced with %.02X%.02X%.02X%.02X\n", + buffer[loop + strlen(magic_str)], + buffer[loop + strlen(magic_str) + 2], + buffer[loop + strlen(magic_str) + 1], + buffer[loop + strlen(magic_str) + 3]); + + } + } + } + + fwrite(buffer, 1, 64 * 1024, vmlinux_out); + real_size_vmlinux -= 64 * 1024; + do { + real_size_vmlinux -= 64 * 1024; + memset(buffer, 0, 64 * 1024); + fread(buffer, 1, 64 * 1024, vmlinux); + fwrite(buffer, 1, 64 * 1024, vmlinux_out); + } while (real_size_vmlinux); + + return 0; +} |