Merge changes from topic "qemu_sbsa" into integration

* changes:
  qemu: Simplify the image size calculation
  qemu: introducing sub-platforms to qemu platform

plat/qemu/common/qemu_bl2_mem_params_desc.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -139,8 +139,7 @@ static bl_mem_params_node_t bl2_mem_params_descs[] = {
 	  SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2, image_info_t,
 				0),
 	  .image_info.image_base = NS_IMAGE_OFFSET,
-	  .image_info.image_max_size = NS_DRAM0_BASE + NS_DRAM0_SIZE -
-				       NS_IMAGE_OFFSET,
+	  .image_info.image_max_size = NS_IMAGE_MAX_SIZE,
 # endif /* !PRELOADED_BL33_BASE */
 
 	  .next_handoff_image_id = INVALID_IMAGE_ID,

plat/qemu/qemu/include/platform_def.h

@@ -165,7 +165,8 @@
 # error "Unsupported BL32_RAM_LOCATION_ID value"
 #endif
 
-#define NS_IMAGE_OFFSET			0x60000000
+#define NS_IMAGE_OFFSET			(NS_DRAM0_BASE + 0x20000000)
+#define NS_IMAGE_MAX_SIZE		(NS_DRAM0_SIZE - 0x20000000)
 
 #define PLAT_PHY_ADDR_SPACE_SIZE	(1ULL << 32)
 #define PLAT_VIRT_ADDR_SPACE_SIZE	(1ULL << 32)

plat/qemu/qemu/platform.mk

@@ -32,16 +32,20 @@ ifeq ($(NEED_BL32),yes)
 $(eval $(call add_define,QEMU_LOAD_BL32))
 endif
 
-PLAT_PATH               :=      plat/qemu/
-PLAT_INCLUDES		:=	-Iplat/qemu/include
+PLAT_QEMU_PATH               :=      plat/qemu/qemu
+PLAT_QEMU_COMMON_PATH        :=      plat/qemu/common
+PLAT_INCLUDES		:=	-Iinclude/plat/arm/common/		\
+				-I${PLAT_QEMU_COMMON_PATH}/include			\
+				-I${PLAT_QEMU_PATH}/include			\
+				-Iinclude/common/tbbr
 
 ifeq (${ARM_ARCH_MAJOR},8)
 PLAT_INCLUDES		+=	-Iinclude/plat/arm/common/${ARCH}
 endif
 
-PLAT_BL_COMMON_SOURCES	:=	plat/qemu/qemu_common.c			  \
-				plat/qemu/qemu_console.c		  \
-				drivers/arm/pl011/${ARCH}/pl011_console.S \
+PLAT_BL_COMMON_SOURCES	:=	${PLAT_QEMU_COMMON_PATH}/qemu_common.c			\
+				${PLAT_QEMU_COMMON_PATH}/qemu_console.c		  \
+				drivers/arm/pl011/${ARCH}/pl011_console.S
 
 include lib/xlat_tables_v2/xlat_tables.mk
 PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}
@@ -59,13 +63,13 @@ ifneq (${TRUSTED_BOARD_BOOT},0)
     BL1_SOURCES		+=	${AUTH_SOURCES}				\
 				bl1/tbbr/tbbr_img_desc.c		\
 				plat/common/tbbr/plat_tbbr.c		\
-				plat/qemu/qemu_trusted_boot.c	     	\
-				$(PLAT_PATH)/qemu_rotpk.S
+				${PLAT_QEMU_COMMON_PATH}/qemu_trusted_boot.c	     	\
+				$(PLAT_QEMU_COMMON_PATH)/qemu_rotpk.S
 
     BL2_SOURCES		+=	${AUTH_SOURCES}				\
 				plat/common/tbbr/plat_tbbr.c		\
-				plat/qemu/qemu_trusted_boot.c	     	\
-				$(PLAT_PATH)/qemu_rotpk.S
+				${PLAT_QEMU_COMMON_PATH}/qemu_trusted_boot.c	     	\
+				$(PLAT_QEMU_COMMON_PATH)/qemu_rotpk.S
 
     ROT_KEY             = $(BUILD_PLAT)/rot_key.pem
     ROTPK_HASH          = $(BUILD_PLAT)/rotpk_sha256.bin
@@ -93,9 +97,9 @@ BL1_SOURCES		+=	drivers/io/io_semihosting.c		\
 				drivers/io/io_memmap.c			\
 				lib/semihosting/semihosting.c		\
 				lib/semihosting/${ARCH}/semihosting_call.S \
-				plat/qemu/qemu_io_storage.c		\
-				plat/qemu/${ARCH}/plat_helpers.S	\
-				plat/qemu/qemu_bl1_setup.c
+				${PLAT_QEMU_COMMON_PATH}/qemu_io_storage.c		\
+				${PLAT_QEMU_COMMON_PATH}/${ARCH}/plat_helpers.S	\
+				${PLAT_QEMU_COMMON_PATH}/qemu_bl1_setup.c
 
 ifeq (${ARM_ARCH_MAJOR},8)
 BL1_SOURCES		+=	lib/cpus/aarch64/aem_generic.S		\
@@ -110,13 +114,13 @@ BL2_SOURCES		+=	drivers/io/io_semihosting.c		\
 				drivers/io/io_fip.c			\
 				drivers/io/io_memmap.c			\
 				lib/semihosting/semihosting.c		\
-				lib/semihosting/${ARCH}/semihosting_call.S\
-				plat/qemu/qemu_io_storage.c		\
-				plat/qemu/${ARCH}/plat_helpers.S	\
-				plat/qemu/qemu_bl2_setup.c		\
-				common/fdt_fixup.c			\
-				plat/qemu/qemu_bl2_mem_params_desc.c	\
-				plat/qemu/qemu_image_load.c		\
+				lib/semihosting/${ARCH}/semihosting_call.S		\
+				${PLAT_QEMU_COMMON_PATH}/qemu_io_storage.c		\
+				${PLAT_QEMU_COMMON_PATH}/${ARCH}/plat_helpers.S		\
+				${PLAT_QEMU_COMMON_PATH}/qemu_bl2_setup.c		\
+				${PLAT_QEMU_COMMON_PATH}/qemu_bl2_mem_params_desc.c	\
+				${PLAT_QEMU_COMMON_PATH}/qemu_image_load.c		\
+				common/fdt_fixup.c					\
 				common/desc_image_load.c
 
 ifeq ($(add-lib-optee),yes)
@@ -127,13 +131,13 @@ QEMU_GICV2_SOURCES	:=	drivers/arm/gic/v2/gicv2_helpers.c	\
 				drivers/arm/gic/v2/gicv2_main.c		\
 				drivers/arm/gic/common/gic_common.c	\
 				plat/common/plat_gicv2.c		\
-				plat/qemu/qemu_gicv2.c
+				${PLAT_QEMU_COMMON_PATH}/qemu_gicv2.c
 
 QEMU_GICV3_SOURCES	:=	drivers/arm/gic/v3/gicv3_helpers.c	\
 				drivers/arm/gic/v3/gicv3_main.c		\
 				drivers/arm/gic/common/gic_common.c	\
 				plat/common/plat_gicv3.c		\
-				plat/qemu/qemu_gicv3.c
+				${PLAT_QEMU_COMMON_PATH}/qemu_gicv3.c
 
 ifeq (${QEMU_USE_GIC_DRIVER}, QEMU_GICV2)
 QEMU_GIC_SOURCES	:=	${QEMU_GICV2_SOURCES}
@@ -148,10 +152,10 @@ BL31_SOURCES		+=	lib/cpus/aarch64/aem_generic.S		\
 				lib/cpus/aarch64/cortex_a53.S		\
 				lib/cpus/aarch64/cortex_a57.S		\
 				plat/common/plat_psci_common.c		\
-				plat/qemu/qemu_pm.c			\
-				plat/qemu/topology.c			\
-				plat/qemu/aarch64/plat_helpers.S	\
-				plat/qemu/qemu_bl31_setup.c		\
+				${PLAT_QEMU_COMMON_PATH}/qemu_pm.c			\
+				${PLAT_QEMU_COMMON_PATH}/topology.c			\
+				${PLAT_QEMU_COMMON_PATH}/aarch64/plat_helpers.S	\
+				${PLAT_QEMU_COMMON_PATH}/qemu_bl31_setup.c		\
 				${QEMU_GIC_SOURCES}
 endif
 
@@ -167,7 +171,7 @@ endif
 SEPARATE_CODE_AND_RODATA := 1
 ENABLE_STACK_PROTECTOR	 := 0
 ifneq ($(ENABLE_STACK_PROTECTOR), 0)
-	PLAT_BL_COMMON_SOURCES += plat/qemu/qemu_stack_protector.c
+	PLAT_BL_COMMON_SOURCES += ${PLAT_QEMU_COMMON_PATH}/qemu_stack_protector.c
 endif
 
 BL32_RAM_LOCATION	:=	tdram