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| author | Bin Meng <bmeng.cn@gmail.com> | 2017-04-21 14:24:37 (GMT) |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2017-05-17 09:11:46 (GMT) |
| commit | 3a34cae01160d207d50db267585b963cf0a0018d (patch) | |
| tree | a6fcaae9a38548e2900bc8e98c0223ff16e20aa9 /arch/x86/include/asm | |
| parent | e76bf38f180b0c9325b17506f1518329d82cbed8 (diff) | |
| download | u-boot-3a34cae01160d207d50db267585b963cf0a0018d.tar.xz | |
x86: acpi: Resume OS if resume vector is found
In an S3 resume path, U-Boot does everything like a cold boot except
in the last_stage_init() it jumps to the OS resume vector.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/acpi_s3.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi_s3.h b/arch/x86/include/asm/acpi_s3.h index a06466c..b8d14f4 100644 --- a/arch/x86/include/asm/acpi_s3.h +++ b/arch/x86/include/asm/acpi_s3.h @@ -99,6 +99,16 @@ enum acpi_sleep_state chipset_prev_sleep_state(void); */ void chipset_clear_sleep_state(void); +/** + * acpi_resume() - Do ACPI S3 resume + * + * This calls U-Boot wake up assembly stub and jumps to OS's wake up vector. + * + * @wake_vec: OS wake up vector + * @return: Never returns + */ +void acpi_resume(void *wake_vec); + #endif /* __ASSEMBLY__ */ #endif /* __ASM_ACPI_S3_H__ */ |