diff options
Diffstat (limited to 'arch/alpha/boot/tools/build.c')
| -rw-r--r-- | arch/alpha/boot/tools/build.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/arch/alpha/boot/tools/build.c b/arch/alpha/boot/tools/build.c deleted file mode 100644 index 040655a54..000000000 --- a/arch/alpha/boot/tools/build.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * arch/alpha/boot/tools/build.c - * - * Build a bootable image from the vmlinux binary - */ -#include <string.h> -#include <stdio.h> -#include <unistd.h> -#include <fcntl.h> - -#include <a.out.h> - -#include <asm/system.h> - -#define MAXSECT 10 -#define MAXBUF 8192 - -int verbose = 0; -int pad = 0; -char * program = "tools/build"; -char buffer[MAXBUF]; -unsigned long bootblock[64]; -struct filehdr fhdr; -struct aouthdr ahdr; -struct scnhdr shdr[MAXSECT]; - -char * usage = "'build [-b] system > secondary' or 'build > primary'"; - -static void die(char * str) -{ - fprintf(stderr,"%s: %s\n", program, str); - exit(1); -} - -static int comp(struct scnhdr * a, struct scnhdr * b) -{ - return a->s_vaddr - b->s_vaddr; -} - -int main(int argc, char ** argv) -{ - int fd, i; - unsigned long tmp, start; - unsigned long system_start, system_size; - char * infile = NULL; - - system_start = START_ADDR; - system_size = START_SIZE; - if (argc) { - program = *(argv++); - argc--; - } - while (argc > 0) { - if (**argv == '-') { - while (*++*argv) { - switch (**argv) { - case 'b': - system_start = BOOT_ADDR; - system_size = BOOT_SIZE; - pad = 1; - break; - case 'v': - verbose++; - break; - default: - die(usage); - } - } - } else if (infile) - die(usage); - else - infile = *argv; - argv++; - argc--; - } - if (!infile) { - memcpy(bootblock, "Linux Test", 10); - bootblock[60] = BOOT_SIZE / 512; /* count */ - bootblock[61] = 1; /* starting LBM */ - bootblock[62] = 0; /* flags */ - tmp = 0; - for (i = 0 ; i < 63 ; i++) - tmp += bootblock[i]; - bootblock[63] = tmp; - if (write(1, (char *) bootblock, 512) != 512) { - perror("bbwrite"); - exit(1); - } - return 0; - } - fd = open(infile, O_RDONLY); - if (fd < 0) { - perror(infile); - exit(1); - } - if (read(fd, &fhdr, sizeof(struct filehdr)) != sizeof(struct filehdr)) - die("unable to read file header"); - if (fhdr.f_nscns > MAXSECT) - die("Too many sections"); - if (fhdr.f_opthdr != AOUTHSZ) - die("optional header doesn't look like a.out"); - if (read(fd, &ahdr, sizeof(struct aouthdr)) != sizeof(struct aouthdr)) - die("unable to read a.out header"); - for (i = 0 ; i < fhdr.f_nscns ; i++) { - if (read(fd, i+shdr, sizeof(struct scnhdr)) != sizeof(struct scnhdr)) - die("unable to read section header"); - if (shdr[i].s_paddr != shdr[i].s_vaddr) - die("unable to handle different phys/virt addresses"); - if (shdr[i].s_relptr) - die("Unable to handle relocation info"); - if (verbose) { - fprintf(stderr, "section %d (%.8s):\t%lx - %lx (at %x)\n", - i, shdr[i].s_name, - shdr[i].s_vaddr, - shdr[i].s_vaddr + shdr[i].s_size, - shdr[i].s_scnptr); - } - } - qsort(shdr, fhdr.f_nscns, sizeof(shdr[1]), comp); - start = system_start; - for (i = 0 ; i < fhdr.f_nscns ; i++) { - unsigned long size, offset; - memset(buffer, 0, MAXBUF); - if (!strcmp(shdr[i].s_name, ".comment")) - continue; - if (shdr[i].s_vaddr != start) - die("Unordered or badly placed segments"); - size = shdr[i].s_size; - start += size; - offset = shdr[i].s_scnptr; - if (lseek(fd, offset, SEEK_SET) != offset) - die("Unable to seek in in-file"); - while (size > 0) { - unsigned long num = size; - if (num > MAXBUF) - num = MAXBUF; - if (offset) - if (read(fd, buffer, num) != num) - die("partial read"); - if (write(1, buffer, num) != num) - die("partial write"); - size -= num; - } - if (verbose) { - fprintf(stderr, "section %d (%.8s):\t%lx - %lx (at %x)\n", - i, shdr[i].s_name, - shdr[i].s_vaddr, - shdr[i].s_vaddr + shdr[i].s_size, - shdr[i].s_scnptr); - } - } - if (start > system_start + system_size) { - fprintf(stderr, "Boot image too large\n"); - exit(1); - } - if (pad) { - unsigned long count = (system_start + system_size) - start; - memset(buffer, 0, MAXBUF); - while (count > 0) { - int i = MAXBUF; - if (i > count) - i = count; - i = write(1, buffer, i); - if (i <= 0) { - perror("pad write"); - exit(1); - } - count -= i; - } - } - - return 0; -} |