feat(fvp): measure critical data
Implemented a platform function 'plat_mboot_measure_critical_data' to
measure critical data and record its measurement using the Event Log
driver.
'bl2_plat_mboot_finish' function invokes this platform function
immediately after populating the critical data.
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: Ia198295c6e07ab26d436eab1ff90df2cf28303af
diff --git a/include/plat/common/common_def.h b/include/plat/common/common_def.h
index 14ae603..632f122 100644
--- a/include/plat/common/common_def.h
+++ b/include/plat/common/common_def.h
@@ -85,4 +85,12 @@
#endif /* BL2_IN_XIP_MEM */
#endif /* SEPARATE_CODE_AND_RODATA */
+#if MEASURED_BOOT
+/*
+ * Start critical data Ids from 2^32/2 reserving Ids from 0 to (2^32/2 - 1)
+ * for Images, It is a critical data Id base for all platforms.
+ */
+#define CRITICAL_DATA_ID_BASE U(0x80000000)
+#endif /* MEASURED_BOOT */
+
#endif /* COMMON_DEF_H */
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index 3fa63f5..9a61b50 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -124,12 +124,22 @@
#if MEASURED_BOOT
int plat_mboot_measure_image(unsigned int image_id, image_info_t *image_data);
+int plat_mboot_measure_critical_data(unsigned int critical_data_id,
+ const void *base,
+ size_t size);
#else
static inline int plat_mboot_measure_image(unsigned int image_id __unused,
image_info_t *image_data __unused)
{
return 0;
}
+static inline int plat_mboot_measure_critical_data(
+ unsigned int critical_data_id __unused,
+ const void *base __unused,
+ size_t size __unused)
+{
+ return 0;
+}
#endif /* MEASURED_BOOT */
/*******************************************************************************