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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2016-06-20 20:40:32 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2016-06-22 12:10:17 +0200 |
| commit | cf0e60faf4ff50dc9838611bdb22d61119d97cdd (patch) | |
| tree | 467fc4b9b139019b2c41b1cea19e0fe0af47b280 /src/arch/x86/acpi_s3.c | |
| parent | 8e627a2e51a213b4a71e8aa40667d651fad729b1 (diff) | |
| download | coreboot-cf0e60faf4ff50dc9838611bdb22d61119d97cdd.tar.xz | |
ACPI S3: Add common recovery code
There is nothing to backup with RELOCATABLE_RAMSTAGE.
Change-Id: I780a71e48d23e202fb0e9c70e34420066fa0e5b5
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/15243
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/arch/x86/acpi_s3.c')
| -rw-r--r-- | src/arch/x86/acpi_s3.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/x86/acpi_s3.c b/src/arch/x86/acpi_s3.c index b6bee0d6a6..7855a2f28d 100644 --- a/src/arch/x86/acpi_s3.c +++ b/src/arch/x86/acpi_s3.c @@ -22,6 +22,8 @@ #include <romstage_handoff.h> #include <rules.h> +#if ENV_RAMSTAGE + /* This is filled with acpi_is_wakeup() call early in ramstage. */ int acpi_slp_type = -1; @@ -75,6 +77,19 @@ void acpi_fail_wakeup(void) if (acpi_slp_type == 3 || acpi_slp_type == 2) acpi_slp_type = 0; } +#endif /* ENV_RAMSTAGE */ + +void acpi_prepare_for_resume(void) +{ + if (!HIGH_MEMORY_SAVE) + return; + + /* Back up the OS-controlled memory where ramstage will be loaded. */ + void *src = (void *)CONFIG_RAMBASE; + void *dest = cbmem_find(CBMEM_ID_RESUME); + if (dest != NULL) + memcpy(dest, src, HIGH_MEMORY_SAVE); +} void acpi_prepare_resume_backup(void) { |