arm/edk2: add support for qemuarm and qemuarm64

Add basic support for running edk2 on qemuarm and qemuarm64.  This
necessitated the need to add ACPI and EFI to the default kernel configs
for these machines.

Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm/recipes-bsp/uefi/edk2-firmware.inc

@@ -71,9 +71,14 @@ export BTOOLS_PATH = "${EDK_TOOLS_PATH}/BinWrappers/PosixLike"
 
 EDK_COMPILER ?= "GCC5"
 export GCC5_AARCH64_PREFIX = "${TARGET_PREFIX}"
+export GCC5_ARM_PREFIX = "${TARGET_PREFIX}"
 
 EDK_COMPILER:toolchain-clang = "CLANG38"
 export CLANG38_AARCH64_PREFIX = "${TARGET_PREFIX}"
+export CLANG38_ARM_PREFIX = "${TARGET_PREFIX}"
+
+#FIXME - arm32 doesn't work with clang due to a linker issue
+TOOLCHAIN:arm = "gcc"
 
 do_configure:prepend() {
     sed -i -e "s#-target ${HOST_ARCH}-linux-gnu*#-target ${HOST_SYS}#" ${S}/BaseTools/Conf/tools_def.template

meta-arm/recipes-bsp/uefi/edk2-firmware_%.bbappend

@@ -3,6 +3,15 @@ EDK2_PLATFORM:qemuarm64-secureboot      = "ArmVirtQemu-AARCH64"
 EDK2_PLATFORM_DSC:qemuarm64-secureboot  = "ArmVirtPkg/ArmVirtQemu.dsc"
 EDK2_BIN_NAME:qemuarm64-secureboot      = "QEMU_EFI.fd"
 
+COMPATIBLE_MACHINE:qemuarm64 = "qemuarm64"
+EDK2_PLATFORM:qemuarm64      = "ArmVirtQemu-AARCH64"
+EDK2_PLATFORM_DSC:qemuarm64  = "ArmVirtPkg/ArmVirtQemu.dsc"
+EDK2_BIN_NAME:qemuarm64      = "QEMU_EFI.fd"
+
+COMPATIBLE_MACHINE:qemuarm = "qemuarm"
+EDK2_PLATFORM:qemuarm      = "ArmVirtQemu-ARM"
+EDK2_PLATFORM_DSC:qemuarm  = "ArmVirtPkg/ArmVirtQemu.dsc"
+EDK2_BIN_NAME:qemuarm      = "QEMU_EFI.fd"
 
 COMPATIBLE_MACHINE:qemu-generic-arm64   = "qemu-generic-arm64"
 DEPENDS:append:qemu-generic-arm64       = " trusted-firmware-a coreutils-native"
@@ -21,3 +30,11 @@ do_install:append:qemu-generic-arm64() {
     # QEMU requires that the images be minimum of 256M in size
     truncate -s 256M ${D}/firmware/SBSA_FLASH*.fd
 }
+
+do_install:append:qemuarm64() {
+    install ${B}/Build/${EDK2_PLATFORM}/${EDK2_BUILD_MODE}_${EDK_COMPILER}/FV/${EDK2_BIN_NAME} ${D}/firmware/
+}
+
+do_install:append:qemuarm() {
+    install ${B}/Build/${EDK2_PLATFORM}/${EDK2_BUILD_MODE}_${EDK_COMPILER}/FV/${EDK2_BIN_NAME} ${D}/firmware/
+}

meta-arm/recipes-kernel/linux/linux-yocto/efi.cfg

@@ -0,0 +1,2 @@
+CONFIG_ACPI=y
+CONFIG_EFI=y

meta-arm/recipes-kernel/linux/linux-yocto_%.bbappend

@@ -16,3 +16,9 @@ FILESEXTRAPATHS:prepend:qemuarm-secureboot = "${ARMFILESPATHS}"
 SRC_URI:append:qemuarm-secureboot = " \
     file://tee.cfg \
     "
+
+FILESEXTRAPATHS:prepend:qemuarm64 = "${ARMFILESPATHS}"
+SRC_URI:append:qemuarm64 = " file://efi.cfg"
+
+FILESEXTRAPATHS:prepend:qemuarm = "${ARMFILESPATHS}"
+SRC_URI:append:qemuarm = " file://efi.cfg"