diff options
| author | Simon Glass <sjg@chromium.org> | 2020-04-26 09:12:58 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-04-30 17:47:06 +0800 |
| commit | 33139a0bc7645f73f6e7dd152336e1ee00c9d40e (patch) | |
| tree | 0bdce9170a4d567a622f1084c26f97a9ad35f4f1 /arch/x86/include/asm | |
| parent | ba974a0137edc86cff9727a83cf6be154ab18ef0 (diff) | |
x86: Move coreboot-table detection into common code
To support detecting booting from coreboot, move the code which locates
the coreboot tables into a common place. Adjust the algorithm slightly to
use a word comparison instead of string, since it is faster.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: correct the comments to 960KB]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/coreboot_tables.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/coreboot_tables.h b/arch/x86/include/asm/coreboot_tables.h index 61de0077d7..268284f43c 100644 --- a/arch/x86/include/asm/coreboot_tables.h +++ b/arch/x86/include/asm/coreboot_tables.h @@ -343,4 +343,11 @@ void *high_table_malloc(size_t bytes); */ void write_coreboot_table(u32 addr, struct memory_area *cfg_tables); +/** + * locate_coreboot_table() - Try to find coreboot tables at standard locations + * + * @return address of table that was found, or -ve error number + */ +long locate_coreboot_table(void); + #endif |