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libpayload: Add CBMEM_IMD_ENTRY support to coreboot tables parser

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coreboot stores much information in the CBMEM IMD. Until now it was
ignored. This patch makes use of these coreboot tables entries.
It also removes get_cbmem_addr() function as it is no longer needed.

Moreover, the coreboot tables entry CB_TAG_MRC_CACHE does not exist
anymore, as it is not created by the code. It was replaced by
CBMEM_ID_MRCDATA entry, so MRCDATA should now be accessible through
sysinfo structure field.

Change-Id: I5bd02a98ba2631f34014bc0f8e7ebd5a5ddd2321
Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59491
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
This commit is contained in:
Jakub Czapiga
2021-11-10 14:04:43 +00:00
committed by Felix Held
parent c627b0edeb
commit 2f236c232d
4 changed files with 71 additions and 88 deletions
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8
payloads/libpayload/arch/x86/coreboot.c
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@ -47,20 +47,12 @@ static void cb_parse_x86_rom_var_mtrr(void *ptr, struct sysinfo_t *info)
info->x86_rom_var_mtrr_index = rom_mtrr->index;
}
static void cb_parse_mrc_cache(void *ptr, struct sysinfo_t *info)
{
info->mrc_cache = get_cbmem_addr(ptr);
}
int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info)
{
switch(rec->tag) {
case CB_TAG_X86_ROM_MTRR:
cb_parse_x86_rom_var_mtrr(rec, info);
break;
case CB_TAG_MRC_CACHE:
cb_parse_mrc_cache(rec, info);
break;
default:
return 0;
}