diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2015-05-07 21:34:08 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-06-04 02:39:38 -0600 |
| commit | a65b25d148fb0a9ef7dd5fba4ae2709f5bcae0c6 (patch) | |
| tree | ddbf28ac4f0a34f5c8b62b80f59a0a93db645a01 /arch/x86/cpu/qemu/car.S | |
| parent | 238fe16c40f640e5b78828b21990a0565f408813 (diff) | |
x86: Support QEMU x86 targets
This commit introduces the initial U-Boot support for QEMU x86 targets.
U-Boot can boot from coreboot as a payload, or directly without coreboot.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Merged in patch 'x86: qemu: Add CMD_NET to qemu-x86_defconfig
https://patchwork.ozlabs.org/patch/479745/
Diffstat (limited to 'arch/x86/cpu/qemu/car.S')
| -rw-r--r-- | arch/x86/cpu/qemu/car.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/cpu/qemu/car.S b/arch/x86/cpu/qemu/car.S new file mode 100644 index 0000000000..13b3aea3ff --- /dev/null +++ b/arch/x86/cpu/qemu/car.S @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <asm/post.h> + +.globl car_init +car_init: + /* Save the BIST result */ + movl %eax, %ebp + + post_code(POST_CAR_START) + + /* + * Since we know we are running inside emulator, + * we can do nothing here for CAR initialization. + */ + + /* Restore the BIST result */ + movl %ebp, %eax + + post_code(POST_CAR_CPU_CACHE) + jmp car_init_ret |