diff options
Diffstat (limited to 'src/bootloader/make_initrd.c')
-rw-r--r-- | src/bootloader/make_initrd.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/bootloader/make_initrd.c b/src/bootloader/make_initrd.c deleted file mode 100644 index 6c2e7a0..0000000 --- a/src/bootloader/make_initrd.c +++ /dev/null @@ -1,53 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <stdlib.h> - -struct initrd_header { - unsigned char magic; - char name[64]; - unsigned int offset; - unsigned int length; -}; - -int main(char argc, char **argv) { - int nheaders = (argc - 1) / 2; - struct initrd_header headers[64]; - printf("size of header: %d\n", (int) sizeof(struct initrd_header)); - unsigned int off = sizeof(struct initrd_header) * 64 + sizeof(int); - - for (int i = 0; i < nheaders; i++) { - printf("writing file %s->%s at 0x%x\n", argv[i * 2 + 1], argv[i * 2 + 2], off); - strcpy(headers[i].name, argv[i * 2 + 2]); - headers[i].name[strlen(argv[i * 2 + 2])] = '\0'; - headers[i].offset = off; - FILE *stream = fopen(argv[i * 2 + 1], "r"); - if (stream == 0) { - printf("Error: file not found: %s\n", argv[i * 2 + 1]); - return 1; - } - fseek(stream, 0, SEEK_END); - headers[i].length = ftell(stream); - off += headers[i].length; - fclose(stream); - headers[i].magic = 0xBF; - } - - FILE *wstream = fopen("./initrd.img", "w"); - unsigned char *data = (unsigned char *) malloc(off); - fwrite(&nheaders, sizeof(int), 1, wstream); - fwrite(headers, sizeof(struct initrd_header), 64, wstream); - - for (int i = 0; i < nheaders; i++) { - FILE *stream = fopen(argv[i * 2 + 1], "r"); - unsigned char *buf = (unsigned char *) malloc(headers[i].length); - fread(buf, 1, headers[i].length, stream); - fwrite(buf, 1, headers[i].length, wstream); - fclose(stream); - free(buf); - } - - fclose(wstream); - free(data); - - return 0; -} |