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romstage_handoff: add helper to determine resume status

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Instead of having callers query the romstage handoff resume
status by inspecting the object themselves add
romstage_handoff_is_resume() so that the same information
can be queried easily.

Change-Id: I40f3769b7646bf296ee4bc323a9ab1d5e5691e21
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17647
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aaron Durbin
2016-11-29 21:22:42 -06:00
parent 77e13997d3
commit 6c191d8af4
6 changed files with 28 additions and 33 deletions
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9
src/arch/x86/acpi_s3.c
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@@ -32,14 +32,7 @@ int acpi_slp_type = -1;
#if IS_ENABLED(CONFIG_EARLY_CBMEM_INIT)
int acpi_get_sleep_type(void)
{
struct romstage_handoff *handoff;
handoff = cbmem_find(CBMEM_ID_ROMSTAGE_INFO);
if (handoff == NULL) {
printk(BIOS_DEBUG, "Unknown boot method, assuming normal.\n");
return ACPI_S0;
} else if (handoff->s3_resume) {
if (romstage_handoff_is_resume()) {
printk(BIOS_DEBUG, "S3 Resume.\n");
return ACPI_S3;
} else {