diff options
author | Greg Watson <jarrah@users.sourceforge.net> | 2003-06-09 21:29:23 +0000 |
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committer | Greg Watson <jarrah@users.sourceforge.net> | 2003-06-09 21:29:23 +0000 |
commit | 032211593248d4d9a569ecfd269a2433ea5b1c7c (patch) | |
tree | 0cd5ca04ea4add897a92f4df7c6cc37730d8daf8 /src/arch/ppc/boot/boot.c | |
parent | fd958cea68e7df40c47a3a97762d2433b5a52819 (diff) |
Moved from freebios
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@862 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch/ppc/boot/boot.c')
-rw-r--r-- | src/arch/ppc/boot/boot.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/arch/ppc/boot/boot.c b/src/arch/ppc/boot/boot.c new file mode 100644 index 0000000000..79eea965b3 --- /dev/null +++ b/src/arch/ppc/boot/boot.c @@ -0,0 +1,83 @@ +#include <ip_checksum.h> +#include <boot/elf.h> +#include <boot/elf_boot.h> +#include <string.h> +#include <printk.h> + + +#ifndef CMD_LINE +#define CMD_LINE "" +#endif + + + +#define UPSZ(X) ((sizeof(X) + 3) &~3) + +static struct { + Elf_Bhdr hdr; + Elf_Nhdr ft_hdr; + unsigned char ft_desc[UPSZ(FIRMWARE_TYPE)]; + Elf_Nhdr bl_hdr; + unsigned char bl_desc[UPSZ(BOOTLOADER)]; + Elf_Nhdr blv_hdr; + unsigned char blv_desc[UPSZ(BOOTLOADER_VERSION)]; + Elf_Nhdr cmd_hdr; + unsigned char cmd_desc[UPSZ(CMD_LINE)]; +} elf_boot_notes = { + .hdr = { + .b_signature = 0x0E1FB007, + .b_size = sizeof(elf_boot_notes), + .b_checksum = 0, + .b_records = 4, + }, + .ft_hdr = { + .n_namesz = 0, + .n_descsz = sizeof(FIRMWARE_TYPE), + .n_type = EBN_FIRMWARE_TYPE, + }, + .ft_desc = FIRMWARE_TYPE, + .bl_hdr = { + .n_namesz = 0, + .n_descsz = sizeof(BOOTLOADER), + .n_type = EBN_BOOTLOADER_NAME, + }, + .bl_desc = BOOTLOADER, + .blv_hdr = { + .n_namesz = 0, + .n_descsz = sizeof(BOOTLOADER_VERSION), + .n_type = EBN_BOOTLOADER_VERSION, + }, + .blv_desc = BOOTLOADER_VERSION, + .cmd_hdr = { + .n_namesz = 0, + .n_descsz = sizeof(CMD_LINE), + .n_type = EBN_COMMAND_LINE, + }, + .cmd_desc = CMD_LINE, +}; + + +int elf_check_arch(Elf_ehdr *ehdr) +{ + return ( + (ehdr->e_machine == EM_PPC) && + (ehdr->e_ident[EI_CLASS] == ELFCLASS32) && + (ehdr->e_ident[EI_DATA] == ELFDATA2MSB) + ); + +} + +void jmp_to_elf_entry(void *entry, unsigned long buffer) +{ + void (*kernel_entry)(void); + kernel_entry = entry; + + /* On ppc we don't currently support loading over LinuxBIOS. + * So ignore the buffer. + */ + + /* Jump to kernel */ + kernel_entry(); +} + + |