diff options
Diffstat (limited to 'util/mkelfImage/linux-ia64/mkelf-linux-ia64.c')
-rw-r--r-- | util/mkelfImage/linux-ia64/mkelf-linux-ia64.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/util/mkelfImage/linux-ia64/mkelf-linux-ia64.c b/util/mkelfImage/linux-ia64/mkelf-linux-ia64.c deleted file mode 100644 index d4236cac99..0000000000 --- a/util/mkelfImage/linux-ia64/mkelf-linux-ia64.c +++ /dev/null @@ -1,272 +0,0 @@ -#include <stdio.h> -#include <errno.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#define _GNU_SOURCE -#include <getopt.h> -#include "elf.h" -#include "elf_boot.h" -#include "convert.h" -#include "mkelfImage.h" - -static unsigned char payload[] = { -#include "convert.bin.c" -}; - -char *linux_ia64_probe(char *kernel_buf, off_t kernel_size) -{ - Elf64_Ehdr *ehdr; - Elf64_Phdr *phdr; - int i; - int phdrs; - ehdr = (Elf64_Ehdr *)kernel_buf; - if ( - (ehdr->e_ident[EI_MAG0] != ELFMAG0) || - (ehdr->e_ident[EI_MAG1] != ELFMAG1) || - (ehdr->e_ident[EI_MAG2] != ELFMAG2) || - (ehdr->e_ident[EI_MAG3] != ELFMAG3)) { - return "No ELF signature found on kernel\n"; - } - if (ehdr->e_ident[EI_CLASS] != ELFCLASS64) { - return "Not a 64bit ELF kernel\n"; - } - if (ehdr->e_ident[EI_DATA] != ELFDATA2LSB) { - return "Not a little endian ELF kernel\n"; - } - if (le16_to_cpu(ehdr->e_type) != ET_EXEC) { - return "Not an executable kernel\n"; - } - if (le16_to_cpu(ehdr->e_machine) != EM_IA_64) { - return "Not an ia64 kernel\n"; - } - if ( (ehdr->e_ident[EI_VERSION] != EV_CURRENT) || - (le32_to_cpu(ehdr->e_version) != EV_CURRENT)) { - return "Kernel not using ELF version 1.\n"; - } - if (le16_to_cpu(ehdr->e_phentsize) != sizeof(*phdr)) { - return "Kernel uses bad program header size.\n"; - } - phdr = (Elf64_Phdr *)(kernel_buf + le64_to_cpu(ehdr->e_phoff)); - phdrs = 0; - for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) { - if (le32_to_cpu(phdr[i].p_type) != PT_LOAD) - continue; - phdrs++; - } - if (phdrs == 0) { - return "No PT_LOAD segments!\n"; - } - return 0; -} - -struct kernel_info -{ - int phdrs; - char *kernel_buf; - Elf64_Ehdr *ehdr; - Elf64_Phdr *phdr; - uint64_t entry; - char *version; -}; - -static void parse_kernel(struct kernel_info *info, - char *kernel_buf, size_t kernel_size) -{ - Elf64_Ehdr *ehdr; - Elf64_Phdr *phdr; - int i; - int phdrs; - ehdr = (Elf64_Ehdr *)kernel_buf; - phdr = (Elf64_Phdr *)(kernel_buf + le64_to_cpu(ehdr->e_phoff)); - phdrs = 0; - for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) { - if (le32_to_cpu(phdr[i].p_type) != PT_LOAD) - continue; - phdrs++; - } - if (phdrs == 0) { - die("No PT_LOAD segments!\n"); - } - info->kernel_buf = kernel_buf; - info->ehdr = ehdr; - info->phdrs = phdrs; - info->phdr = phdr; - info->entry = le64_to_cpu(ehdr->e_entry); - info->version = "unknown"; -} - -static int populate_kernel_phdrs(struct kernel_info *info, struct memelfphdr *phdr) -{ - uint64_t paddr; - int i; - paddr = 0; - for(i = 0; i < info->phdrs; i++) { - Elf64_Phdr *hdr; - int j; - hdr = 0; - for(j = 0; j < le16_to_cpu(info->ehdr->e_phnum); j++) { - if (le16_to_cpu(info->phdr[j].p_type != PT_LOAD)) { - continue; - } - if (paddr > le64_to_cpu(info->phdr[j].p_paddr)) { - continue; - } - if (hdr && - le64_to_cpu(hdr->p_paddr) < - le64_to_cpu(info->phdr[j].p_paddr)) { - continue; - } - hdr = info->phdr + j; - } - if (!hdr) { - die("Expected %d phdrs found %d!", info->phdrs, i); - } - phdr[i].p_paddr = le64_to_cpu(hdr->p_paddr); - phdr[i].p_vaddr = le64_to_cpu(hdr->p_vaddr); - phdr[i].p_filesz = le64_to_cpu(hdr->p_filesz); - phdr[i].p_memsz = le64_to_cpu(hdr->p_memsz); - phdr[i].p_data = info->kernel_buf + le64_to_cpu(hdr->p_offset); - paddr = phdr[i].p_paddr + phdr[i].p_memsz; - } - return i; -} - - -void linux_ia64_usage(void) -{ - printf( - " --command-line=<string> Set the command line to <string>\n" - " --append=<string> Set the command line to <string>\n" - " --initrd=<filename> Set the initrd to <filename>\n" - " --ramdisk=<filename> Set the initrd to <filename>\n" - ); - return; -} - -#define OPT_CMDLINE OPT_MAX+0 -#define OPT_RAMDISK OPT_MAX+1 - -int linux_ia64_mkelf(int argc, char **argv, - struct memelfheader *ehdr, char *kernel_buf, off_t kernel_size) -{ - const char *ramdisk, *cmdline; - char *payload_buf, *ramdisk_buf; - off_t payload_size, ramdisk_size; - struct memelfphdr *phdr; - struct memelfnote *note; - struct kernel_info kinfo; - struct image_parameters *params; - int index; - - int opt; - static const struct option options[] = { - MKELF_OPTIONS - { "command-line", 1, 0, OPT_CMDLINE }, - { "append", 1, 0, OPT_CMDLINE }, - { "initrd", 1, 0, OPT_RAMDISK }, - { "ramdisk", 1, 0, OPT_RAMDISK }, - { 0 , 0, 0, 0 }, - }; - static const char short_options[] = "HV"; - - ramdisk = 0; - cmdline=""; - - while((opt = getopt_long(argc, argv, short_options, options, 0)) != -1) { - switch(opt) { - case '?': - error("Unknown option %s\n", argv[optind]); - break; - case OPT_RAMDISK: - ramdisk = optarg; - break; - case OPT_CMDLINE: - cmdline = optarg; - break; - default: - break; - } - } - ehdr->ei_class = ELFCLASS64; - ehdr->ei_data = ELFDATA2LSB; - ehdr->e_type = ET_EXEC; - ehdr->e_machine = EM_IA_64; - - /* locate the payload buffer */ - payload_buf = payload; - payload_size = sizeof(payload); - - /* slurp the input files */ - ramdisk_buf = slurp_file(ramdisk, &ramdisk_size); - - /* parse the kernel */ - parse_kernel(&kinfo, kernel_buf, kernel_size); - - /* Find the parameters */ - params = (void *)(payload_buf + (payload_size - sizeof(*params))); - - /* A sanity check against bad versions of binutils */ - if (params->convert_magic != CONVERT_MAGIC) { - die("Internal error convert_magic %16llx != %16llx\n", - (unsigned long long)(params->convert_magic), CONVERT_MAGIC); - } - - /* Copy the command line */ - strncpy(params->cmdline, cmdline, sizeof(params->cmdline)); - params->cmdline[sizeof(params->cmdline)-1]= '\0'; - - /* Add a program header for the note section */ - phdr = add_program_headers(ehdr, 2 + kinfo.phdrs + (ramdisk_size?1:0)); - - /* Fill in the program headers*/ - phdr[0].p_type = PT_NOTE; - - /* Fill in the kernel program headers */ - index = 1 + populate_kernel_phdrs(&kinfo, phdr + 1); - - /* Fill in the converter program header */ - phdr[index].p_paddr = roundup(phdr[index -1].p_paddr + phdr[index -1].p_memsz, 16); - phdr[index].p_vaddr = phdr[index].p_paddr; - phdr[index].p_filesz = payload_size; - phdr[index].p_memsz = payload_size; - phdr[index].p_data = payload_buf; - index++; - - /* Set the start location */ - params->entry = kinfo.entry; - ehdr->e_entry = phdr[index -1].p_paddr; - - - /* Fill in the ramdisk program header */ - params->initrd_start = params->initrd_size = 0; - if (ramdisk_size) { - phdr[index].p_paddr = roundup(phdr[index -1].p_paddr + phdr[index -1].p_memsz, 16); - phdr[index].p_vaddr = phdr[index].p_paddr; - phdr[index].p_filesz = ramdisk_size; - phdr[index].p_memsz = ramdisk_size; - phdr[index].p_data = ramdisk_buf; - params->initrd_start = phdr[index].p_paddr; - params->initrd_size = phdr[index].p_filesz; - index++; - } - - /* Compute the elf notes */ - note = add_notes(ehdr, 3); - note[0].n_type = EIN_PROGRAM_NAME; - note[0].n_name = "ELFBoot"; - note[0].n_desc = "Linux"; - note[0].n_descsz = strlen(note[0].n_desc)+1; - - note[1].n_type = EIN_PROGRAM_VERSION; - note[1].n_name = "ELFBoot"; - note[1].n_desc = kinfo.version; - note[1].n_descsz = strlen(note[1].n_desc)+1; - - note[2].n_type = EIN_PROGRAM_CHECKSUM; - note[2].n_name = "ELFBoot"; - note[2].n_desc = 0; - note[2].n_descsz = 2; - - return 0; -} |