endif
ifeq (${DRTM_SUPPORT},1)
-BL31_SOURCES += services/std_svc/drtm/drtm_main.c \
- services/std_svc/drtm/drtm_dma_prot.c \
+BL31_SOURCES += services/std_svc/drtm/drtm_main.c \
+ services/std_svc/drtm/drtm_dma_prot.c \
+ services/std_svc/drtm/drtm_res_address_map.c \
${MBEDTLS_SOURCES}
endif
/*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
+#ifndef XLAT_TABLES_COMPAT_H
+#define XLAT_TABLES_COMPAT_H
+
#if XLAT_TABLES_LIB_V2
#include <lib/xlat_tables/xlat_tables_v2.h>
#else
#include <lib/xlat_tables/xlat_tables.h>
#endif
+
+#endif /* XLAT_TABLES_COMPAT_H */
#ifndef PLAT_DRTM_H
#define PLAT_DRTM_H
+#include <stdint.h>
+#include <lib/xlat_tables/xlat_tables_compat.h>
+
+typedef struct {
+ uint8_t max_num_mem_prot_regions;
+ uint8_t dma_protection_support;
+} plat_drtm_dma_prot_features_t;
+
+typedef struct {
+ bool tpm_based_hash_support;
+ uint32_t firmware_hash_algorithm;
+} plat_drtm_tpm_features_t;
+
+typedef struct {
+ uint64_t region_address;
+ uint64_t region_size_type;
+} __attribute__((packed)) drtm_mem_region_t;
+
+/*
+ * Memory region descriptor table structure as per DRTM beta0 section 3.13
+ * Table 11 MEMORY_REGION_DESCRIPTOR_TABLE
+ */
+typedef struct {
+ uint16_t revision;
+ uint16_t reserved;
+ uint32_t num_regions;
+ drtm_mem_region_t region[];
+} __attribute__((packed)) drtm_memory_region_descriptor_table_t;
+
+/* platform specific address map functions */
+const mmap_region_t *plat_get_addr_mmap(void);
+
/* platform-specific DMA protection functions */
bool plat_has_non_host_platforms(void);
bool plat_has_unmanaged_dma_peripherals(void);
unsigned int plat_get_total_smmus(void);
void plat_enumerate_smmus(const uintptr_t **smmus_out,
size_t *smmu_count_out);
+const plat_drtm_dma_prot_features_t *plat_drtm_get_dma_prot_features(void);
+uint64_t plat_drtm_dma_prot_get_max_table_bytes(void);
+
+/* platform-specific TPM functions */
+const plat_drtm_tpm_features_t *plat_drtm_get_tpm_features(void);
+
+/*
+ * TODO: Implement these functions as per the platform use case,
+ * as of now none of the platform uses these functions
+ */
+uint64_t plat_drtm_get_min_size_normal_world_dce(void);
+uint64_t plat_drtm_get_tcb_hash_table_size(void);
+uint64_t plat_drtm_get_imp_def_dlme_region_size(void);
+uint64_t plat_drtm_get_tcb_hash_features(void);
#endif /* PLAT_DRTM_H */
#define ARM_DRTM_FUNC_ID U(0x0)
#define ARM_DRTM_FEAT_ID U(0x1)
+/*
+ * Definitions for DRTM features as per DRTM beta0 section 3.3,
+ * Table 6 DRTM_FEATURES
+ */
+#define ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_SHIFT U(33)
+#define ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_MASK ULL(0xF)
+#define ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_DEFAULT ULL(0x1)
+
+#define ARM_DRTM_TPM_FEATURES_TPM_HASH_SHIFT U(32)
+#define ARM_DRTM_TPM_FEATURES_TPM_HASH_MASK ULL(0x1)
+#define ARM_DRTM_TPM_FEATURES_TPM_HASH_NOT_SUPPORTED ULL(0x0)
+#define ARM_DRTM_TPM_FEATURES_TPM_HASH_SUPPORTED ULL(0x1)
+
+#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHIFT U(0)
+#define ARM_DRTM_TPM_FEATURES_FW_HASH_MASK ULL(0xFFFFFFFF)
+#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHA256 ULL(0xB)
+#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHA384 ULL(0xC)
+#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHA512 ULL(0xD)
+
+#define ARM_DRTM_MIN_MEM_REQ_DCE_SIZE_SHIFT U(32)
+#define ARM_DRTM_MIN_MEM_REQ_DCE_SIZE_MASK ULL(0xFFFFFFFF)
+
+#define ARM_DRTM_MIN_MEM_REQ_MIN_DLME_DATA_SIZE_SHIFT U(0)
+#define ARM_DRTM_MIN_MEM_REQ_MIN_DLME_DATA_SIZE_MASK ULL(0xFFFFFFFF)
+
+#define ARM_DRTM_DMA_PROT_FEATURES_MAX_REGIONS_SHIFT U(8)
+#define ARM_DRTM_DMA_PROT_FEATURES_MAX_REGIONS_MASK ULL(0xF)
+
+#define ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_SHIFT U(0)
+#define ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_MASK ULL(0xFF)
+#define ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_COMPLETE ULL(0x1)
+#define ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_REGION ULL(0x2)
+
+#define ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_SHIFT U(0)
+#define ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_MASK ULL(0xFF)
+
+#define ARM_DRTM_TPM_FEATURES_SET_PCR_SCHEMA(reg, val) \
+ do { \
+ reg = (((reg) & ~(ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_MASK \
+ << ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_SHIFT)) | (((val) & \
+ ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_MASK) << \
+ ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_TPM_FEATURES_SET_TPM_HASH(reg, val) \
+ do { \
+ reg = (((reg) & ~(ARM_DRTM_TPM_FEATURES_TPM_HASH_MASK \
+ << ARM_DRTM_TPM_FEATURES_TPM_HASH_SHIFT)) | (((val) & \
+ ARM_DRTM_TPM_FEATURES_TPM_HASH_MASK) << \
+ ARM_DRTM_TPM_FEATURES_TPM_HASH_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_TPM_FEATURES_SET_FW_HASH(reg, val) \
+ do { \
+ reg = (((reg) & ~(ARM_DRTM_TPM_FEATURES_FW_HASH_MASK \
+ << ARM_DRTM_TPM_FEATURES_FW_HASH_SHIFT)) | (((val) & \
+ ARM_DRTM_TPM_FEATURES_FW_HASH_MASK) << \
+ ARM_DRTM_TPM_FEATURES_FW_HASH_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_MIN_MEM_REQ_SET_DCE_SIZE(reg, val) \
+ do { \
+ reg = (((reg) & ~(ARM_DRTM_MIN_MEM_REQ_DCE_SIZE_MASK \
+ << ARM_DRTM_MIN_MEM_REQ_DCE_SIZE_SHIFT)) | (((val) & \
+ ARM_DRTM_MIN_MEM_REQ_DCE_SIZE_MASK) << \
+ ARM_DRTM_MIN_MEM_REQ_DCE_SIZE_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_MIN_MEM_REQ_SET_MIN_DLME_DATA_SIZE(reg, val) \
+ do { \
+ reg = (((reg) & \
+ ~(ARM_DRTM_MIN_MEM_REQ_MIN_DLME_DATA_SIZE_MASK << \
+ ARM_DRTM_MIN_MEM_REQ_MIN_DLME_DATA_SIZE_SHIFT)) | \
+ (((val) & ARM_DRTM_MIN_MEM_REQ_MIN_DLME_DATA_SIZE_MASK) \
+ << ARM_DRTM_MIN_MEM_REQ_MIN_DLME_DATA_SIZE_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_DMA_PROT_FEATURES_SET_MAX_REGIONS(reg, val) \
+ do { \
+ reg = (((reg) & \
+ ~(ARM_DRTM_DMA_PROT_FEATURES_MAX_REGIONS_MASK << \
+ ARM_DRTM_DMA_PROT_FEATURES_MAX_REGIONS_SHIFT)) | \
+ (((val) & ARM_DRTM_DMA_PROT_FEATURES_MAX_REGIONS_MASK) \
+ << ARM_DRTM_DMA_PROT_FEATURES_MAX_REGIONS_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_DMA_PROT_FEATURES_SET_DMA_SUPPORT(reg, val) \
+ do { \
+ reg = (((reg) & \
+ ~(ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_MASK << \
+ ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_SHIFT)) | \
+ (((val) & ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_MASK) \
+ << ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_TCB_HASH_FEATURES_SET_MAX_NUM_HASHES(reg, val) \
+ do { \
+ reg = (((reg) & \
+ ~(ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_MASK << \
+ ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_SHIFT)) | \
+ (((val) & \
+ ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_MASK) << \
+ ARM_DRTM_TCB_HASH_FEATURES_MAX_NUM_HASHES_SHIFT)); \
+ } while (false)
+
+/* Definitions for DRTM address map */
+#define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_SHIFT U(55)
+#define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_MASK ULL(0x3)
+#define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_NC ULL(0)
+#define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_WC ULL(1)
+#define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_WT ULL(2)
+#define ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_WB ULL(3)
+
+#define ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_SHIFT U(52)
+#define ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_MASK ULL(0x7)
+#define ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_NORMAL ULL(0)
+#define ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_NCAR ULL(1)
+#define ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_DEVICE ULL(2)
+#define ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_NV ULL(3)
+#define ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_RSVD ULL(4)
+
+#define ARM_DRTM_REGION_SIZE_TYPE_4K_PAGE_NUM_SHIFT U(0)
+#define ARM_DRTM_REGION_SIZE_TYPE_4K_PAGE_NUM_MASK ULL(0xFFFFFFFFFFFFF)
+
+#define ARM_DRTM_REGION_SIZE_TYPE_SET_CACHEABILITY(reg, val) \
+ do { \
+ reg = (((reg) & \
+ ~(ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_MASK << \
+ ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_SHIFT)) | \
+ (((val) & \
+ ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_MASK) << \
+ ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_REGION_SIZE_TYPE_SET_REGION_TYPE(reg, val) \
+ do { \
+ reg = (((reg) & \
+ ~(ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_MASK << \
+ ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_SHIFT)) | \
+ (((val) & ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_MASK) \
+ << ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_SHIFT)); \
+ } while (false)
+
+#define ARM_DRTM_REGION_SIZE_TYPE_SET_4K_PAGE_NUM(reg, val) \
+ do { \
+ reg = (((reg) & \
+ ~(ARM_DRTM_REGION_SIZE_TYPE_4K_PAGE_NUM_MASK << \
+ ARM_DRTM_REGION_SIZE_TYPE_4K_PAGE_NUM_SHIFT)) | \
+ (((val) & ARM_DRTM_REGION_SIZE_TYPE_4K_PAGE_NUM_MASK) \
+ << ARM_DRTM_REGION_SIZE_TYPE_4K_PAGE_NUM_SHIFT)); \
+ } while (false)
+
/* Initialization routine for the DRTM service */
int drtm_setup(void);
*smmu_count_out = 0;
}
}
+
+/* DRTM DMA Protection Features */
+static const plat_drtm_dma_prot_features_t dma_prot_features = {
+ .max_num_mem_prot_regions = 0, /* No protection regions are present */
+ .dma_protection_support = 0x1 /* Complete DMA protection only */
+};
+
+const plat_drtm_dma_prot_features_t *plat_drtm_get_dma_prot_features(void)
+{
+ return &dma_prot_features;
+}
+
+uint64_t plat_drtm_dma_prot_get_max_table_bytes(void)
+{
+ return 0U;
+}
--- /dev/null
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <drivers/measured_boot/event_log/event_log.h>
+#include <plat/common/platform.h>
+
+#include <platform_def.h>
+
+/* DRTM TPM Features */
+static const plat_drtm_tpm_features_t tpm_features = {
+ /* No TPM-based hashing supported. */
+ .tpm_based_hash_support = false,
+
+ /* Set to decided algorithm by Event Log driver */
+ .firmware_hash_algorithm = TPM_ALG_ID
+
+};
+
+const plat_drtm_tpm_features_t *plat_drtm_get_tpm_features(void)
+{
+ return &tpm_features;
+}
--- /dev/null
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#include <stdint.h>
+
+#include <services/drtm_svc.h>
+
+/*
+ * This file contains DRTM platform functions which don't really do anything on
+ * FVP but are needed for DRTM to function.
+ */
+
+uint64_t plat_drtm_get_min_size_normal_world_dce(void)
+{
+ return 0ULL;
+}
+
+uint64_t plat_drtm_get_imp_def_dlme_region_size(void)
+{
+ return 0ULL;
+}
+
+uint64_t plat_drtm_get_tcb_hash_features(void)
+{
+ return 0ULL;
+}
+
+uint64_t plat_drtm_get_tcb_hash_table_size(void)
+{
+ return 0ULL;
+}
*/
#define PLAT_ARM_EVENT_LOG_MAX_SIZE UL(0x400)
+/*
+ * Maximum size of Event Log buffer used for DRTM
+ */
+#define PLAT_DRTM_EVENT_LOG_MAX_SIZE UL(0x300)
+
+/*
+ * Number of MMAP entries used by DRTM implementation
+ */
+#define PLAT_DRTM_MMAP_ENTRIES PLAT_ARM_MMAP_ENTRIES
+
#endif /* PLATFORM_DEF_H */
ifeq (${DRTM_SUPPORT}, 1)
BL31_SOURCES += plat/arm/board/fvp/fvp_drtm_dma_prot.c \
+ plat/arm/board/fvp/fvp_drtm_measurement.c \
+ plat/arm/board/fvp/fvp_drtm_stub.c \
plat/arm/common/arm_dyn_cfg.c
endif
}
#endif
+const mmap_region_t *plat_get_addr_mmap(void)
+{
+ return plat_arm_mmap;
+}
#include <arch.h>
#include <arch_helpers.h>
+#include <common/bl_common.h>
#include <common/debug.h>
#include <common/runtime_svc.h>
#include <drivers/auth/crypto_mod.h>
#include "drtm_main.h"
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <plat/common/platform.h>
#include <services/drtm_svc.h>
+#include <platform_def.h>
-/* This value is used by the SMC to advertise the boot PE */
-static uint64_t boot_pe_aff_value;
+/* Structure to store DRTM features specific to the platform. */
+static drtm_features_t plat_drtm_features;
+
+/* DRTM-formatted memory map. */
+static drtm_memory_region_descriptor_table_t *plat_drtm_mem_map;
int drtm_setup(void)
{
bool rc;
+ const plat_drtm_tpm_features_t *plat_tpm_feat;
+ const plat_drtm_dma_prot_features_t *plat_dma_prot_feat;
+ uint64_t dlme_data_min_size;
INFO("DRTM service setup\n");
- boot_pe_aff_value = read_mpidr_el1() & MPIDR_AFFINITY_MASK;
+ /* Read boot PE ID from MPIDR */
+ plat_drtm_features.boot_pe_id = read_mpidr_el1() & MPIDR_AFFINITY_MASK;
rc = drtm_dma_prot_init();
if (rc) {
*/
crypto_mod_init();
+ /* Build DRTM-compatible address map. */
+ plat_drtm_mem_map = drtm_build_address_map();
+ if (plat_drtm_mem_map == NULL) {
+ return INTERNAL_ERROR;
+ }
+
+ /* Get DRTM features from platform hooks. */
+ plat_tpm_feat = plat_drtm_get_tpm_features();
+ if (plat_tpm_feat == NULL) {
+ return INTERNAL_ERROR;
+ }
+
+ plat_dma_prot_feat = plat_drtm_get_dma_prot_features();
+ if (plat_dma_prot_feat == NULL) {
+ return INTERNAL_ERROR;
+ }
+
+ /*
+ * Add up minimum DLME data memory.
+ *
+ * For systems with complete DMA protection there is only one entry in
+ * the protected regions table.
+ */
+ if (plat_dma_prot_feat->dma_protection_support ==
+ ARM_DRTM_DMA_PROT_FEATURES_DMA_SUPPORT_COMPLETE) {
+ dlme_data_min_size =
+ sizeof(drtm_memory_region_descriptor_table_t) +
+ sizeof(drtm_mem_region_t);
+ } else {
+ /*
+ * TODO set protected regions table size based on platform DMA
+ * protection configuration
+ */
+ panic();
+ }
+
+ dlme_data_min_size += (drtm_get_address_map_size() +
+ PLAT_DRTM_EVENT_LOG_MAX_SIZE +
+ plat_drtm_get_tcb_hash_table_size() +
+ plat_drtm_get_imp_def_dlme_region_size());
+
+ dlme_data_min_size = page_align(dlme_data_min_size, UP)/PAGE_SIZE;
+
+ /* Fill out platform DRTM features structure */
+ /* Only support default PCR schema (0x1) in this implementation. */
+ ARM_DRTM_TPM_FEATURES_SET_PCR_SCHEMA(plat_drtm_features.tpm_features,
+ ARM_DRTM_TPM_FEATURES_PCR_SCHEMA_DEFAULT);
+ ARM_DRTM_TPM_FEATURES_SET_TPM_HASH(plat_drtm_features.tpm_features,
+ plat_tpm_feat->tpm_based_hash_support);
+ ARM_DRTM_TPM_FEATURES_SET_FW_HASH(plat_drtm_features.tpm_features,
+ plat_tpm_feat->firmware_hash_algorithm);
+ ARM_DRTM_MIN_MEM_REQ_SET_MIN_DLME_DATA_SIZE(plat_drtm_features.minimum_memory_requirement,
+ dlme_data_min_size);
+ ARM_DRTM_MIN_MEM_REQ_SET_DCE_SIZE(plat_drtm_features.minimum_memory_requirement,
+ plat_drtm_get_min_size_normal_world_dce());
+ ARM_DRTM_DMA_PROT_FEATURES_SET_MAX_REGIONS(plat_drtm_features.dma_prot_features,
+ plat_dma_prot_feat->max_num_mem_prot_regions);
+ ARM_DRTM_DMA_PROT_FEATURES_SET_DMA_SUPPORT(plat_drtm_features.dma_prot_features,
+ plat_dma_prot_feat->dma_protection_support);
+ ARM_DRTM_TCB_HASH_FEATURES_SET_MAX_NUM_HASHES(plat_drtm_features.tcb_hash_features,
+ plat_drtm_get_tcb_hash_features());
+
return 0;
}
MEM_PROTECT_INVALID = -6,
};
+typedef struct {
+ uint64_t tpm_features;
+ uint64_t minimum_memory_requirement;
+ uint64_t dma_prot_features;
+ uint64_t boot_pe_id;
+ uint64_t tcb_hash_features;
+} drtm_features_t;
+
+drtm_memory_region_descriptor_table_t *drtm_build_address_map(void);
+uint64_t drtm_get_address_map_size(void);
+
#endif /* DRTM_MAIN_H */
--- /dev/null
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+
+#include <plat/common/platform.h>
+#include <services/drtm_svc.h>
+#include <platform_def.h>
+
+/* Address map revision generated by this code. */
+#define DRTM_ADDRESS_MAP_REVISION U(0x0001)
+
+/* Amount of space needed for address map based on PLAT_DRTM_MMAP_ENTRIES */
+#define DRTM_ADDRESS_MAP_SIZE (sizeof(drtm_memory_region_descriptor_table_t) + \
+ (sizeof(drtm_mem_region_t) * \
+ PLAT_DRTM_MMAP_ENTRIES))
+
+/* Allocate space for DRTM-formatted address map to be constructed. */
+static uint8_t drtm_address_map[DRTM_ADDRESS_MAP_SIZE];
+
+static uint64_t drtm_address_map_size;
+
+drtm_memory_region_descriptor_table_t *drtm_build_address_map(void)
+{
+ /* Set up pointer to DRTM memory map. */
+ drtm_memory_region_descriptor_table_t *map =
+ (drtm_memory_region_descriptor_table_t *)drtm_address_map;
+
+ /* Get the platform memory map. */
+ const mmap_region_t *mmap = plat_get_addr_mmap();
+ unsigned int i;
+
+ /* Set up header for address map structure. */
+ map->revision = DRTM_ADDRESS_MAP_REVISION;
+ map->reserved = 0x0000;
+
+ /* Iterate through mmap and generate DRTM address map. */
+ for (i = 0U; mmap[i].base_pa != 0UL; i++) {
+ /* Set PA of region. */
+ map->region[i].region_address = mmap[i].base_pa;
+
+ /* Set size of region (in 4kb chunks). */
+ map->region[i].region_size_type = 0;
+ ARM_DRTM_REGION_SIZE_TYPE_SET_4K_PAGE_NUM(
+ map->region[i].region_size_type,
+ mmap[i].size / PAGE_SIZE_4KB);
+
+ /* Set type and cacheability. */
+ switch (MT_TYPE(mmap[i].attr)) {
+ case MT_DEVICE:
+ ARM_DRTM_REGION_SIZE_TYPE_SET_REGION_TYPE(
+ map->region[i].region_size_type,
+ ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_DEVICE);
+ break;
+ case MT_NON_CACHEABLE:
+ ARM_DRTM_REGION_SIZE_TYPE_SET_REGION_TYPE(
+ map->region[i].region_size_type,
+ ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_NCAR);
+ ARM_DRTM_REGION_SIZE_TYPE_SET_CACHEABILITY(
+ map->region[i].region_size_type,
+ ARM_DRTM_REGION_SIZE_TYPE_CACHEABILITY_NC);
+ break;
+ case MT_MEMORY:
+ ARM_DRTM_REGION_SIZE_TYPE_SET_REGION_TYPE(
+ map->region[i].region_size_type,
+ ARM_DRTM_REGION_SIZE_TYPE_REGION_TYPE_NORMAL);
+ break;
+ default:
+ return NULL;
+ }
+ }
+
+ map->num_regions = i;
+
+ /* Store total size of address map. */
+ drtm_address_map_size = sizeof(drtm_memory_region_descriptor_table_t);
+ drtm_address_map_size += (i * sizeof(drtm_mem_region_t));
+
+ return map;
+}
+
+uint64_t drtm_get_address_map_size(void)
+{
+ return drtm_address_map_size;
+}
projects / arm-tf.git / commitdiff