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authorIngo Molnar <mingo@elte.hu>2008-07-18 22:00:54 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 22:00:54 +0200
commitbb2c018b09b681d43f5e08124b83e362647ea82b (patch)
treed794902c78f9fdd04ed88a4b8d451ed6f9292ec0 /arch/ppc/boot/utils/mktree.c
parent82638844d9a8581bbf33201cc209a14876eca167 (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'linus' into cpus4096
Conflicts: drivers/acpi/processor_throttling.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/ppc/boot/utils/mktree.c')
-rw-r--r--arch/ppc/boot/utils/mktree.c152
1 files changed, 0 insertions, 152 deletions
diff --git a/arch/ppc/boot/utils/mktree.c b/arch/ppc/boot/utils/mktree.c
deleted file mode 100644
index 2be22e28f2b..00000000000
--- a/arch/ppc/boot/utils/mktree.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Makes a tree bootable image for IBM Evaluation boards.
- * Basically, just take a zImage, skip the ELF header, and stuff
- * a 32 byte header on the front.
- *
- * We use htonl, which is a network macro, to make sure we're doing
- * The Right Thing on an LE machine. It's non-obvious, but it should
- * work on anything BSD'ish.
- */
-
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <netinet/in.h>
-#ifdef __sun__
-#include <inttypes.h>
-#else
-#include <stdint.h>
-#endif
-
-/* This gets tacked on the front of the image. There are also a few
- * bytes allocated after the _start label used by the boot rom (see
- * head.S for details).
- */
-typedef struct boot_block {
- uint32_t bb_magic; /* 0x0052504F */
- uint32_t bb_dest; /* Target address of the image */
- uint32_t bb_num_512blocks; /* Size, rounded-up, in 512 byte blks */
- uint32_t bb_debug_flag; /* Run debugger or image after load */
- uint32_t bb_entry_point; /* The image address to start */
- uint32_t bb_checksum; /* 32 bit checksum including header */
- uint32_t reserved[2];
-} boot_block_t;
-
-#define IMGBLK 512
-char tmpbuf[IMGBLK];
-
-int main(int argc, char *argv[])
-{
- int in_fd, out_fd;
- int nblks, i;
- uint cksum, *cp;
- struct stat st;
- boot_block_t bt;
-
- if (argc < 3) {
- fprintf(stderr, "usage: %s <zImage-file> <boot-image> [entry-point]\n",argv[0]);
- exit(1);
- }
-
- if (stat(argv[1], &st) < 0) {
- perror("stat");
- exit(2);
- }
-
- nblks = (st.st_size + IMGBLK) / IMGBLK;
-
- bt.bb_magic = htonl(0x0052504F);
-
- /* If we have the optional entry point parameter, use it */
- if (argc == 4)
- bt.bb_dest = bt.bb_entry_point = htonl(strtoul(argv[3], NULL, 0));
- else
- bt.bb_dest = bt.bb_entry_point = htonl(0x500000);
-
- /* We know these from the linker command.
- * ...and then move it up into memory a little more so the
- * relocation can happen.
- */
- bt.bb_num_512blocks = htonl(nblks);
- bt.bb_debug_flag = 0;
-
- bt.bb_checksum = 0;
-
- /* To be neat and tidy :-).
- */
- bt.reserved[0] = 0;
- bt.reserved[1] = 0;
-
- if ((in_fd = open(argv[1], O_RDONLY)) < 0) {
- perror("zImage open");
- exit(3);
- }
-
- if ((out_fd = open(argv[2], (O_RDWR | O_CREAT | O_TRUNC), 0666)) < 0) {
- perror("bootfile open");
- exit(3);
- }
-
- cksum = 0;
- cp = (void *)&bt;
- for (i=0; i<sizeof(bt)/sizeof(uint); i++)
- cksum += *cp++;
-
- /* Assume zImage is an ELF file, and skip the 64K header.
- */
- if (read(in_fd, tmpbuf, IMGBLK) != IMGBLK) {
- fprintf(stderr, "%s is too small to be an ELF image\n",
- argv[1]);
- exit(4);
- }
-
- if ((*(uint *)tmpbuf) != htonl(0x7f454c46)) {
- fprintf(stderr, "%s is not an ELF image\n", argv[1]);
- exit(4);
- }
-
- if (lseek(in_fd, (64 * 1024), SEEK_SET) < 0) {
- fprintf(stderr, "%s failed to seek in ELF image\n", argv[1]);
- exit(4);
- }
-
- nblks -= (64 * 1024) / IMGBLK;
-
- /* And away we go......
- */
- if (write(out_fd, &bt, sizeof(bt)) != sizeof(bt)) {
- perror("boot-image write");
- exit(5);
- }
-
- while (nblks-- > 0) {
- if (read(in_fd, tmpbuf, IMGBLK) < 0) {
- perror("zImage read");
- exit(5);
- }
- cp = (uint *)tmpbuf;
- for (i=0; i<sizeof(tmpbuf)/sizeof(uint); i++)
- cksum += *cp++;
- if (write(out_fd, tmpbuf, sizeof(tmpbuf)) != sizeof(tmpbuf)) {
- perror("boot-image write");
- exit(5);
- }
- }
-
- /* rewrite the header with the computed checksum.
- */
- bt.bb_checksum = htonl(cksum);
- if (lseek(out_fd, 0, SEEK_SET) < 0) {
- perror("rewrite seek");
- exit(1);
- }
- if (write(out_fd, &bt, sizeof(bt)) != sizeof(bt)) {
- perror("boot-image rewrite");
- exit(1);
- }
-
- exit(0);
-}