boards: versalnet_apu: Add QEMU support via west and Twister

Add support for running the APU ELF on QEMU using the
`west build -t run_qemu` target. QEMU integration is now wired through
west and Twister for the `versalnet_apu` board.

Signed-off-by: Appana Durga Kedareswara rao <appana.durga.kedareswara.rao@amd.com>

Author: Appana Durga Kedareswara rao

boards/amd/versalnet_apu/CMakeLists.txt

@@ -0,0 +1,19 @@
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (c) 2025 Advanced Micro Devices, Inc.
+#
+
+find_package(Dtc 1.4.6 REQUIRED)
+
+# Check if the board-specific qemu.dts file exists
+if(EXISTS "${BOARD_DIR}/${BOARD}-qemu.dts")
+  # Ensure DTC executable is available
+  if(DTC_FOUND)
+    set_property(GLOBAL APPEND PROPERTY extra_post_build_commands
+      COMMAND ${DTC} -I dts -O dtb -q "${BOARD_DIR}/${BOARD}-qemu.dts" -o "${PROJECT_BINARY_DIR}/${BOARD}-qemu.dtb"
+    )
+  else()
+    message(FATAL_ERROR "DTC not found, but required for compiling ${BOARD}-qemu.dts")
+  endif()
+endif()

boards/amd/versalnet_apu/board.cmake

@@ -5,3 +5,18 @@
 #
 
 include(${ZEPHYR_BASE}/boards/common/xsdb.board.cmake)
+set(SUPPORTED_EMU_PLATFORMS qemu)
+set(QEMU_ARCH xilinx-aarch64)
+set(QEMU_CPU_TYPE_${ARCH} cortexa78)
+
+set(QEMU_FLAGS_${ARCH}
+	-machine arm-generic-fdt
+	-hw-dtb ${PROJECT_BINARY_DIR}/${BOARD}-qemu.dtb
+	-device loader,addr=0xEC200300,data=0x3EE,data-len=4 -device loader,addr=0xEC200300,data=0x3DD,data-len=4
+	-nographic
+	-m 2g
+)
+
+set(QEMU_KERNEL_OPTION
+	-device loader,cpu-num=0,file=\$<TARGET_FILE:\${logical_target_for_zephyr_elf}>
+)