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libpayload: Parse the ACPI RSDP table entry

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Change-Id: I583cda63c3f0b58f8d198ed5ecea7c4619c7a897
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62576
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Arthur Heymans
2022-03-03 22:59:23 +01:00
committed by Felix Held
parent 4a3331d93c
commit cddba4528d
3 changed files with 21 additions and 0 deletions
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11
payloads/libpayload/include/coreboot_tables.h
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@ -83,6 +83,7 @@ enum {
CB_TAG_BOARD_CONFIG = 0x0040,
CB_TAG_ACPI_CNVS = 0x0041,
CB_TAG_TYPE_C_INFO = 0x0042,
CB_TAG_ACPI_RSDP = 0x0043,
CB_TAG_CMOS_OPTION_TABLE = 0x00c8,
CB_TAG_OPTION = 0x00c9,
CB_TAG_OPTION_ENUM = 0x00ca,
@ -422,6 +423,16 @@ struct cb_cmos_checksum {
u32 type;
};
/*
* Handoff the ACPI RSDP
*/
struct cb_acpi_rsdp {
uint32_t tag;
uint32_t size;
struct cbuint64 rsdp_pointer; /* Address of the ACPI RSDP */
};
/* Helpful inlines */
static inline u64 cb_unpack64(struct cbuint64 val)