mirror of
https://github.com/fail0verflow/switch-coreboot.git
synced 2025-05-04 01:39:18 -04:00
6b86ee6c96
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Ronald Minnich <rminnich@gmail.com> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@132 f3766cd6-281f-0410-b1cd-43a5c92072e9
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
#include <console/console.h>
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// #include <ip_checksum.h>
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#include <elf.h>
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#include <elf_boot.h>
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#include <string.h>
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#ifndef CMD_LINE
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#define CMD_LINE ""
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#endif
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#define UPSZ(X) ((sizeof(X) + 3) &~3)
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static struct {
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Elf_Bhdr hdr;
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Elf_Nhdr ft_hdr;
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unsigned char ft_desc[UPSZ(FIRMWARE_TYPE)];
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Elf_Nhdr bl_hdr;
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unsigned char bl_desc[UPSZ(BOOTLOADER)];
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Elf_Nhdr blv_hdr;
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unsigned char blv_desc[UPSZ(BOOTLOADER_VERSION)];
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Elf_Nhdr cmd_hdr;
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unsigned char cmd_desc[UPSZ(CMD_LINE)];
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} elf_boot_notes = {
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.hdr = {
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.b_signature = 0x0E1FB007,
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.b_size = sizeof(elf_boot_notes),
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.b_checksum = 0,
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.b_records = 4,
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},
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.ft_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(FIRMWARE_TYPE),
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.n_type = EBN_FIRMWARE_TYPE,
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},
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.ft_desc = FIRMWARE_TYPE,
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.bl_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(BOOTLOADER),
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.n_type = EBN_BOOTLOADER_NAME,
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},
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.bl_desc = BOOTLOADER,
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.blv_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(BOOTLOADER_VERSION),
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.n_type = EBN_BOOTLOADER_VERSION,
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},
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.blv_desc = BOOTLOADER_VERSION,
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.cmd_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(CMD_LINE),
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.n_type = EBN_COMMAND_LINE,
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},
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.cmd_desc = CMD_LINE,
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};
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int elf_check_arch(Elf_ehdr *ehdr)
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{
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return (
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((ehdr->e_machine == EM_386) || (ehdr->e_machine == EM_486)) &&
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(ehdr->e_ident[EI_CLASS] == ELFCLASS32) &&
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(ehdr->e_ident[EI_DATA] == ELFDATA2LSB)
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);
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}
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/* there used to be lots of complexity here to deal with the fact that this code ran in
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* RAM. The code was awesome in its power, incomprehensible to most.
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* But this code runs in ROM now, so the complexity went away
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*/
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void jmp_to_elf_entry(void *entry)
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{
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int (*v)(void) = entry;
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v();
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}
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