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feat(handoff): common API for TPM event log handoff

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Create a common BL2 API to add a TE for TPM event log.

Change-Id: I459e70f40069aa9ea0625977e0bad8ec316439e6
Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
This commit is contained in:
Raymond Mao 2024-11-14 13:28:36 -08:00
parent 9821775657
commit 4d8b4ca0f5
2 changed files with 21 additions and 0 deletions
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10
include/plat/common/platform.h
View file

@ -299,6 +299,16 @@ int bl2_plat_handle_post_image_load(unsigned int image_id);
#if (MEASURED_BOOT || DICE_PROTECTION_ENVIRONMENT)
void bl2_plat_mboot_init(void);
void bl2_plat_mboot_finish(void);
#if TRANSFER_LIST
int plat_handoff_mboot(const void *data, uint32_t data_size, void *tl_base);
#else
static inline int
plat_handoff_mboot(__unused const void *data, __unused uint32_t data_size,
__unused void *tl_base)
{
return -1;
}
#endif
#else
static inline void bl2_plat_mboot_init(void)
{

11
plat/common/plat_bl_common.c
View file

@ -9,6 +9,7 @@
#include <arch_helpers.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <lib/transfer_list.h>
#include <lib/xlat_tables/xlat_tables_compat.h>
#include <plat/common/platform.h>
#include <services/arm_arch_svc.h>
@ -129,3 +130,13 @@ void __init setup_page_tables(const mmap_region_t *bl_regions,
/* Create the page tables to reflect the above mappings */
init_xlat_tables();
}
#if ((MEASURED_BOOT || DICE_PROTECTION_ENVIRONMENT) && TRANSFER_LIST)
int plat_handoff_mboot(const void *data, uint32_t data_size, void *tl_base)
{
if (!transfer_list_add(tl_base, TL_TAG_TPM_EVLOG, data_size, data))
return -1;
return 0;
}
#endif