core: add memory area for transfer list

Adding a new area to map a transfer list if it is handed over
from previous boot stage

Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

core/include/mm/core_mmu.h

@@ -77,6 +77,7 @@
  * MEM_AREA_IO_SEC:   Secure HW mapped registers
  * MEM_AREA_EXT_DT:   Memory loads external device tree
  * MEM_AREA_MANIFEST_DT: Memory loads manifest device tree
+ * MEM_AREA_TRANSFER_LIST: Memory area mapped for Transfer List
  * MEM_AREA_RES_VASPACE: Reserved virtual memory space
  * MEM_AREA_SHM_VASPACE: Virtual memory space for dynamic shared memory buffers
  * MEM_AREA_TS_VASPACE: TS va space, only used with phys_to_virt()
@@ -106,6 +107,7 @@ enum teecore_memtypes {
 	MEM_AREA_IO_SEC,
 	MEM_AREA_EXT_DT,
 	MEM_AREA_MANIFEST_DT,
+	MEM_AREA_TRANSFER_LIST,
 	MEM_AREA_RES_VASPACE,
 	MEM_AREA_SHM_VASPACE,
 	MEM_AREA_TS_VASPACE,
@@ -140,6 +142,7 @@ static inline const char *teecore_memtype_name(enum teecore_memtypes type)
 		[MEM_AREA_IO_SEC] = "IO_SEC",
 		[MEM_AREA_EXT_DT] = "EXT_DT",
 		[MEM_AREA_MANIFEST_DT] = "MANIFEST_DT",
+		[MEM_AREA_TRANSFER_LIST] = "TRANSFER_LIST",
 		[MEM_AREA_RES_VASPACE] = "RES_VASPACE",
 		[MEM_AREA_SHM_VASPACE] = "SHM_VASPACE",
 		[MEM_AREA_TS_VASPACE] = "TS_VASPACE",

core/mm/core_mmu.c

@@ -759,6 +759,8 @@ uint32_t core_mmu_type_to_attr(enum teecore_memtypes t)
 		return attr | TEE_MATTR_PRW | cached;
 	case MEM_AREA_MANIFEST_DT:
 		return attr | TEE_MATTR_SECURE | TEE_MATTR_PR | cached;
+	case MEM_AREA_TRANSFER_LIST:
+		return attr | TEE_MATTR_SECURE | TEE_MATTR_PRW | cached;
 	case MEM_AREA_EXT_DT:
 		/*
 		 * If CFG_MAP_EXT_DT_SECURE is enabled map the external device
@@ -1434,6 +1436,7 @@ static void check_mem_map(struct tee_mmap_region *map)
 		case MEM_AREA_IO_NSEC:
 		case MEM_AREA_EXT_DT:
 		case MEM_AREA_MANIFEST_DT:
+		case MEM_AREA_TRANSFER_LIST:
 		case MEM_AREA_RAM_SEC:
 		case MEM_AREA_RAM_NSEC:
 		case MEM_AREA_RES_VASPACE: