diff options
Diffstat (limited to 'qemu/roms/openbios/libopenbios/elf_info.c')
| -rw-r--r-- | qemu/roms/openbios/libopenbios/elf_info.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/qemu/roms/openbios/libopenbios/elf_info.c b/qemu/roms/openbios/libopenbios/elf_info.c deleted file mode 100644 index f7febef9d..000000000 --- a/qemu/roms/openbios/libopenbios/elf_info.c +++ /dev/null @@ -1,151 +0,0 @@ -/* Support for ELF Boot Proposal as a boot image */ -#include "config.h" -#include "arch/common/elf_boot.h" -#include "libopenbios/sys_info.h" -#include "asm/io.h" -#include "libopenbios/ipchecksum.h" -#include "openbios-version.h" -#define printf printk -#define debug printk - -/* ELF image notes provide information to the loader who boots us */ - -/* This compiles and generates correct PT_NOTE segment for me. - * If it doesn't, use assembly version below. */ - -struct elf_image_note { - Elf_Nhdr hdr0; - char name0[sizeof(ELF_NOTE_BOOT)]; - char prog_name[sizeof(PROGRAM_NAME)]; - - Elf_Nhdr hdr1; - char name1[sizeof(ELF_NOTE_BOOT)]; - char version[sizeof(OPENBIOS_VERSION_STR)]; - - Elf_Nhdr hdr2; - char name2[sizeof(ELF_NOTE_BOOT)]; - unsigned short checksum; -}; - -const struct elf_image_note elf_image_notes - __attribute__ ((section (".note.ELFBoot"))) = -{ - .hdr0 = { - .n_namesz = sizeof(ELF_NOTE_BOOT), - .n_descsz = sizeof(PROGRAM_NAME), - .n_type = EIN_PROGRAM_NAME, - }, - .name0 = ELF_NOTE_BOOT, - .prog_name = PROGRAM_NAME, - - .hdr1 = { - .n_namesz = sizeof(ELF_NOTE_BOOT), - .n_descsz = sizeof(OPENBIOS_VERSION_STR), - .n_type = EIN_PROGRAM_VERSION, - }, - .name1 = ELF_NOTE_BOOT, - .version = OPENBIOS_VERSION_STR, - - .hdr2 = { - .n_namesz = sizeof(ELF_NOTE_BOOT), - .n_descsz = sizeof(unsigned short), - .n_type = EIN_PROGRAM_CHECKSUM, - }, - .name2 = ELF_NOTE_BOOT, - .checksum = 0, /* to be computed by external tool */ -}; - -/* This is refered by other files */ -const char *program_name = elf_image_notes.prog_name; -const char *program_version = elf_image_notes.version; - -#if 0 - - /* This tells the linker to make a PT_NOTE segment. - * If the section is named just ".note", it will be - * mixed up with useless .version notes generated by GCC. - */ - .section ".note.ELFBoot", "a" - - .align 4 - .int 2f - 1f - .int 4f - 3f - .int EIN_PROGRAM_NAME -1: .asciz "ELFBoot" -2: .align 4 -3: .asciz PROGRAM_NAME -4: - - .align 4 - .int 2f - 1f - .int 4f - 3f - .int EIN_PROGRAM_VERSION -1: .asciz "ELFBoot" -2: .align 4 -3: .asciz OPENBIOS_VERSION_STR -4: - - .align 4 - .int 2f - 1f - .int 4f - 3f - .int EIN_PROGRAM_CHECKSUM -1: .asciz "ELFBoot" -2: .align 4 -3: .short 0 -4: -#endif - -/* Collect information from the ELF bootloader - * Note that we have to copy them to our own memory, - * otherwise they might be overwritten afterward. */ -void collect_elfboot_info(struct sys_info *info) -{ - Elf_Bhdr *hdr = NULL; - char *addr, *end; - Elf_Nhdr *nhdr; - char *desc; - - if (info->boot_type == ELF_BHDR_MAGIC) - hdr = phys_to_virt(info->boot_data); - else - hdr = phys_to_virt(info->boot_arg); - - if (hdr->b_signature != ELF_BHDR_MAGIC) - return; - - if (ipchksum(hdr, hdr->b_size) != 0) { - printf("Broken ELF boot notes\n"); - return; - } - - addr = (char *) (hdr + 1); - end = addr + hdr->b_size; - while (addr < end) { - nhdr = (Elf_Nhdr *) addr; - addr += sizeof(Elf_Nhdr); - addr += (nhdr->n_namesz + 3) & ~3; - desc = addr; - addr += (nhdr->n_descsz + 3) & ~3; - - if (nhdr->n_namesz == 0) { - /* Standard notes */ - switch (nhdr->n_type) { - case EBN_FIRMWARE_TYPE: - info->firmware = strdup(desc); - break; - case EBN_BOOTLOADER_NAME: - debug("Bootloader: %s\n", desc); - break; - case EBN_BOOTLOADER_VERSION: - debug("Version: %s\n", desc); - break; - case EBN_COMMAND_LINE: - info->command_line = strdup(desc); - break; - case EBN_LOADED_IMAGE: - debug("Image name: %s\n", desc); - break; - } - } - } -} |