diff options
Diffstat (limited to 'arch/ppc/boot/utils')
| -rw-r--r-- | arch/ppc/boot/utils/.gitignore | 3 | ||||
| -rw-r--r-- | arch/ppc/boot/utils/elf.pl | 33 | ||||
| -rw-r--r-- | arch/ppc/boot/utils/mkbugboot.c | 147 | ||||
| -rw-r--r-- | arch/ppc/boot/utils/mkprep.c | 241 | ||||
| -rw-r--r-- | arch/ppc/boot/utils/mktree.c | 152 |
5 files changed, 0 insertions, 576 deletions
diff --git a/arch/ppc/boot/utils/.gitignore b/arch/ppc/boot/utils/.gitignore deleted file mode 100644 index bbdfb3b..0000000 --- a/arch/ppc/boot/utils/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -mkprep -mkbugboot -mktree diff --git a/arch/ppc/boot/utils/elf.pl b/arch/ppc/boot/utils/elf.pl deleted file mode 100644 index d3e9d9d..0000000 --- a/arch/ppc/boot/utils/elf.pl +++ /dev/null @@ -1,33 +0,0 @@ -# -# ELF header field numbers -# - -$e_ident = 0; # Identification bytes / magic number -$e_type = 1; # ELF file type -$e_machine = 2; # Target machine type -$e_version = 3; # File version -$e_entry = 4; # Start address -$e_phoff = 5; # Program header file offset -$e_shoff = 6; # Section header file offset -$e_flags = 7; # File flags -$e_ehsize = 8; # Size of ELF header -$e_phentsize = 9; # Size of program header -$e_phnum = 10; # Number of program header entries -$e_shentsize = 11; # Size of section header -$e_shnum = 12; # Number of section header entries -$e_shstrndx = 13; # Section header table string index - -# -# Section header field numbers -# - -$sh_name = 0; # Section name -$sh_type = 1; # Section header type -$sh_flags = 2; # Section header flags -$sh_addr = 3; # Virtual address -$sh_offset = 4; # File offset -$sh_size = 5; # Section size -$sh_link = 6; # Miscellaneous info -$sh_info = 7; # More miscellaneous info -$sh_addralign = 8; # Memory alignment -$sh_entsize = 9; # Entry size if this is a table diff --git a/arch/ppc/boot/utils/mkbugboot.c b/arch/ppc/boot/utils/mkbugboot.c deleted file mode 100644 index 1640c41..0000000 --- a/arch/ppc/boot/utils/mkbugboot.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Makes a Motorola PPCBUG ROM bootable image which can be flashed - * into one of the FLASH banks on a Motorola PowerPlus board. - * - * Author: Matt Porter <mporter@mvista.com> - * - * 2001 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#define ELF_HEADER_SIZE 65536 - -#include <unistd.h> -#include <sys/stat.h> -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <fcntl.h> -#include <netinet/in.h> -#ifdef __sun__ -#include <inttypes.h> -#else -#include <stdint.h> -#endif - -/* size of read buffer */ -#define SIZE 0x1000 - -/* PPCBUG ROM boot header */ -typedef struct bug_boot_header { - uint8_t magic_word[4]; /* "BOOT" */ - uint32_t entry_offset; /* Offset from top of header to code */ - uint32_t routine_length; /* Length of code */ - uint8_t routine_name[8]; /* Name of the boot code */ -} bug_boot_header_t; - -#define HEADER_SIZE sizeof(bug_boot_header_t) - -void update_checksum(void *buf, size_t size, uint16_t *sum) -{ - uint32_t csum = *sum; - - while (size) { - csum += *(uint16_t *)buf; - if (csum > 0xffff) - csum -= 0xffff; - buf = (uint16_t *)buf + 1; - size -= 2; - } - *sum = csum; -} - -uint32_t copy_image(int in_fd, int out_fd, uint16_t *sum) -{ - uint8_t buf[SIZE]; - int offset = 0; - int n; - uint32_t image_size = 0; - - lseek(in_fd, ELF_HEADER_SIZE, SEEK_SET); - - /* Copy an image while recording its size */ - while ( (n = read(in_fd, buf + offset, SIZE - offset)) > 0 ) { - n += offset; - offset = n & 1; - n -= offset; - image_size = image_size + n; - /* who's going to deal with short writes? */ - write(out_fd, buf, n); - update_checksum(buf, n, sum); - if (offset) - buf[0] = buf[n]; - } - - /* BUG romboot requires that our size is divisible by 2 */ - /* align image to 2 byte boundary */ - if (offset) { - image_size += 2; - buf[1] = '\0'; - write(out_fd, buf, 2); - update_checksum(buf, 2, sum); - } - return image_size; -} - -void write_bugboot_header(int out_fd, uint32_t boot_size, uint16_t *sum) -{ - static bug_boot_header_t bbh = { - .magic_word = "BOOT", - .routine_name = "LINUXROM" - }; - - /* Fill in the PPCBUG ROM boot header */ - bbh.entry_offset = htonl(HEADER_SIZE); /* Entry address */ - bbh.routine_length= htonl(HEADER_SIZE+boot_size+2); /* Routine length */ - - /* Output the header and bootloader to the file */ - write(out_fd, &bbh, sizeof(bug_boot_header_t)); - update_checksum(&bbh, sizeof(bug_boot_header_t), sum); -} - -int main(int argc, char *argv[]) -{ - int image_fd, bugboot_fd; - uint32_t kernel_size = 0; - uint16_t checksum = 0; - - if (argc != 3) { - fprintf(stderr, "usage: %s <kernel_image> <bugboot>\n",argv[0]); - exit(-1); - } - - /* Get file args */ - - /* kernel image file */ - if ((image_fd = open(argv[1] , 0)) < 0) - exit(-1); - - /* bugboot file */ - if (!strcmp(argv[2], "-")) - bugboot_fd = 1; /* stdout */ - else if ((bugboot_fd = creat(argv[2] , 0755)) < 0) - exit(-1); - - /* Set file position after ROM header block where zImage will be written */ - lseek(bugboot_fd, HEADER_SIZE, SEEK_SET); - - /* Copy kernel image into bugboot image */ - kernel_size = copy_image(image_fd, bugboot_fd, &checksum); - - /* Set file position to beginning where header/romboot will be written */ - lseek(bugboot_fd, 0, SEEK_SET); - - /* Write out BUG header/romboot */ - write_bugboot_header(bugboot_fd, kernel_size, &checksum); - - /* Write out the calculated checksum */ - lseek(bugboot_fd, 0, SEEK_END); - write(bugboot_fd, &checksum, 2); - - /* Close bugboot file */ - close(bugboot_fd); - return 0; -} diff --git a/arch/ppc/boot/utils/mkprep.c b/arch/ppc/boot/utils/mkprep.c deleted file mode 100644 index 192bb39..0000000 --- a/arch/ppc/boot/utils/mkprep.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Makes a prep bootable image which can be dd'd onto - * a disk device to make a bootdisk. Will take - * as input a elf executable, strip off the header - * and write out a boot image as: - * 1) default - strips elf header - * suitable as a network boot image - * 2) -pbp - strips elf header and writes out prep boot partition image - * cat or dd onto disk for booting - * 3) -asm - strips elf header and writes out as asm data - * useful for generating data for a compressed image - * -- Cort - * - * Modified for x86 hosted builds by Matt Porter <porter@neta.com> - * Modified for Sparc hosted builds by Peter Wahl <PeterWahl@web.de> - */ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> - -/* size of read buffer */ -#define SIZE 0x1000 - -/* - * Partition table entry - * - from the PReP spec - */ -typedef struct partition_entry { - unsigned char boot_indicator; - unsigned char starting_head; - unsigned char starting_sector; - unsigned char starting_cylinder; - - unsigned char system_indicator; - unsigned char ending_head; - unsigned char ending_sector; - unsigned char ending_cylinder; - - unsigned char beginning_sector[4]; - unsigned char number_of_sectors[4]; -} partition_entry_t; - -#define BootActive 0x80 -#define SystemPrep 0x41 - -void copy_image(FILE *, FILE *); -void write_prep_partition(FILE *, FILE *); -void write_asm_data(FILE *, FILE *); - -unsigned int elfhdr_size = 65536; - -int main(int argc, char *argv[]) -{ - FILE *in, *out; - int argptr = 1; - int prep = 0; - int asmoutput = 0; - - if (argc < 3 || argc > 4) { - fprintf(stderr, "usage: %s [-pbp] [-asm] <boot-file> <image>\n", - argv[0]); - exit(-1); - } - -/* needs to handle args more elegantly -- but this is a small/simple program */ - - /* check for -pbp */ - if (!strcmp(argv[argptr], "-pbp")) { - prep = 1; - argptr++; - } - - /* check for -asm */ - if (!strcmp(argv[argptr], "-asm")) { - asmoutput = 1; - argptr++; - } - - /* input file */ - if (!strcmp(argv[argptr], "-")) - in = stdin; - else if (!(in = fopen(argv[argptr], "r"))) - exit(-1); - argptr++; - - /* output file */ - if (!strcmp(argv[argptr], "-")) - out = stdout; - else if (!(out = fopen(argv[argptr], "w"))) - exit(-1); - argptr++; - - /* skip elf header in input file */ - /*if ( !prep )*/ - fseek(in, elfhdr_size, SEEK_SET); - - /* write prep partition if necessary */ - if (prep) - write_prep_partition(in, out); - - /* write input image to bootimage */ - if (asmoutput) - write_asm_data(in, out); - else - copy_image(in, out); - - return 0; -} - -void store_le32(unsigned int v, unsigned char *p) -{ - p[0] = v; - p[1] = v >>= 8; - p[2] = v >>= 8; - p[3] = v >> 8; -} - -void write_prep_partition(FILE *in, FILE *out) -{ - unsigned char block[512]; - partition_entry_t pe; - unsigned char *entry = block; - unsigned char *length = block + 4; - long pos = ftell(in), size; - - if (fseek(in, 0, SEEK_END) < 0) { - fprintf(stderr,"info failed\n"); - exit(-1); - } - size = ftell(in); - if (fseek(in, pos, SEEK_SET) < 0) { - fprintf(stderr,"info failed\n"); - exit(-1); - } - - memset(block, '\0', sizeof(block)); - - /* set entry point and boot image size skipping over elf header */ - store_le32(0x400/*+65536*/, entry); - store_le32(size-elfhdr_size+0x400, length); - - /* sets magic number for msdos partition (used by linux) */ - block[510] = 0x55; - block[511] = 0xAA; - - /* - * Build a "PReP" partition table entry in the boot record - * - "PReP" may only look at the system_indicator - */ - pe.boot_indicator = BootActive; - pe.system_indicator = SystemPrep; - /* - * The first block of the diskette is used by this "boot record" which - * actually contains the partition table. (The first block of the - * partition contains the boot image, but I digress...) We'll set up - * one partition on the diskette and it shall contain the rest of the - * diskette. - */ - pe.starting_head = 0; /* zero-based */ - pe.starting_sector = 2; /* one-based */ - pe.starting_cylinder = 0; /* zero-based */ - pe.ending_head = 1; /* assumes two heads */ - pe.ending_sector = 18; /* assumes 18 sectors/track */ - pe.ending_cylinder = 79; /* assumes 80 cylinders/diskette */ - - /* - * The "PReP" software ignores the above fields and just looks at - * the next two. - * - size of the diskette is (assumed to be) - * (2 tracks/cylinder)(18 sectors/tracks)(80 cylinders/diskette) - * - unlike the above sector numbers, the beginning sector is zero-based! - */ -#if 0 - store_le32(1, pe.beginning_sector); -#else - /* This has to be 0 on the PowerStack? */ - store_le32(0, pe.beginning_sector); -#endif - - store_le32(2*18*80-1, pe.number_of_sectors); - - memcpy(&block[0x1BE], &pe, sizeof(pe)); - - fwrite(block, sizeof(block), 1, out); - fwrite(entry, 4, 1, out); - fwrite(length, 4, 1, out); - /* set file position to 2nd sector where image will be written */ - fseek( out, 0x400, SEEK_SET ); -} - - - -void copy_image(FILE *in, FILE *out) -{ - char buf[SIZE]; - int n; - - while ( (n = fread(buf, 1, SIZE, in)) > 0 ) - fwrite(buf, 1, n, out); -} - - -void -write_asm_data(FILE *in, FILE *out) -{ - int i, cnt, pos = 0; - unsigned int cksum = 0, val; - unsigned char *lp; - unsigned char buf[SIZE]; - size_t len; - - fputs("\t.data\n\t.globl input_data\ninput_data:\n", out); - while ((len = fread(buf, 1, sizeof(buf), in)) > 0) { - cnt = 0; - lp = buf; - /* Round up to longwords */ - while (len & 3) - buf[len++] = '\0'; - for (i = 0; i < len; i += 4) { - if (cnt == 0) - fputs("\t.long\t", out); - fprintf(out, "0x%02X%02X%02X%02X", - lp[0], lp[1], lp[2], lp[3]); - val = *(unsigned long *)lp; - cksum ^= val; - lp += 4; - if (++cnt == 4) { - cnt = 0; - fprintf(out, " # %x \n", pos+i-12); - } else { - fputs(",", out); - } - } - if (cnt) - fputs("0\n", out); - pos += len; - } - fprintf(out, "\t.globl input_len\ninput_len:\t.long\t0x%x\n", pos); - fprintf(stderr, "cksum = %x\n", cksum); -} diff --git a/arch/ppc/boot/utils/mktree.c b/arch/ppc/boot/utils/mktree.c deleted file mode 100644 index 2be22e2..0000000 --- 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); -} |
