add cmake for broadcom 64-bit, like 32-bit it compiles but text is only 8 bytes (incorrect)

examples/build_system/cmake/cpu/cortex-a53.cmake

@@ -0,0 +1,17 @@
+if (TOOLCHAIN STREQUAL "gcc")
+	set(TOOLCHAIN_COMMON_FLAGS
+		-mcpu=cortex-a53
+		)
+	# set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")
+
+elseif (TOOLCHAIN STREQUAL "clang")
+	set(TOOLCHAIN_COMMON_FLAGS
+		--target=arm-none-eabi
+		-mcpu=cortex-a53
+		)
+	#set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")
+
+elseif (TOOLCHAIN STREQUAL "iar")
+	message(FATAL_ERROR "IAR not supported")
+
+endif ()

examples/build_system/cmake/cpu/cortex-a72.cmake

@@ -0,0 +1,17 @@
+if (TOOLCHAIN STREQUAL "gcc")
+	set(TOOLCHAIN_COMMON_FLAGS
+		-mcpu=cortex-a72
+		)
+	# set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")
+
+elseif (TOOLCHAIN STREQUAL "clang")
+	set(TOOLCHAIN_COMMON_FLAGS
+		--target=arm-none-eabi
+		-mcpu=cortex-a72
+		)
+	#set(FREERTOS_PORT GCC_ARM_CM0 CACHE INTERNAL "")
+
+elseif (TOOLCHAIN STREQUAL "iar")
+	message(FATAL_ERROR "IAR not supported")
+
+endif ()

examples/build_system/cmake/toolchain/aarch64_gcc.cmake

@@ -0,0 +1,21 @@
+if (NOT DEFINED CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER "aarch64-none-elf-gcc")
+endif ()
+
+if (NOT DEFINED CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER "aarch64-none-elf-g++")
+endif ()
+
+set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
+set(CMAKE_SIZE "aarch64-none-elf-size" CACHE FILEPATH "")
+set(CMAKE_OBJCOPY "aarch64-none-elf-objcopy" CACHE FILEPATH "")
+set(CMAKE_OBJDUMP "aarch64-none-elf-objdump" CACHE FILEPATH "")
+
+include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
+
+get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
+if (IS_IN_TRY_COMPILE)
+  set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -nostdlib")
+  set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib")
+  cmake_print_variables(CMAKE_C_LINK_FLAGS)
+endif ()

hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_SYSTEM_PROCESSOR cortex-a72 CACHE INTERNAL "System Processor")
+set(BCM_VERSION 2711)
+
+function(update_board TARGET)
+endfunction()

hw/bsp/broadcom_64bit/boards/raspberrypi_zero2/board.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_SYSTEM_PROCESSOR cortex-a53 CACHE INTERNAL "System Processor")
+set(BCM_VERSION 2837)
+
+function(update_board TARGET)
+endfunction()

hw/bsp/broadcom_64bit/family.c

@@ -27,6 +27,13 @@
 #include "bsp/board_api.h"
 #include "board.h"
 
+// Suppress warning caused by mcu driver
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#pragma GCC diagnostic ignored "-Wredundant-decls"
+#endif
+
 #include "broadcom/cpu.h"
 #include "broadcom/gpio.h"
 #include "broadcom/interrupts.h"
@@ -34,6 +41,10 @@
 #include "broadcom/caches.h"
 #include "broadcom/vcmailbox.h"
 
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
 // LED
 #define LED_PIN               18
 #define LED_STATE_ON          1

hw/bsp/broadcom_64bit/family.cmake

@@ -0,0 +1,110 @@
+include_guard()
+
+set(MCU_DIR ${TOP}/hw/mcu/broadcom)
+
+# include board specific
+include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
+
+# toolchain set up
+set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/aarch64_${TOOLCHAIN}.cmake)
+
+set(FAMILY_MCUS BCM2711 BCM2835 CACHE INTERNAL "")
+
+
+#------------------------------------
+# BOARD_TARGET
+#------------------------------------
+# only need to be built ONCE for all examples
+function(add_board_target BOARD_TARGET)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
+
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${MCU_DIR}/broadcom/link8.ld)
+  endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+
+  if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
+    set(STARTUP_FILE_GNU ${MCU_DIR}/broadcom/boot8.s)
+  endif ()
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+
+  add_library(${BOARD_TARGET} STATIC
+    ${MCU_DIR}/broadcom/gen/interrupt_handlers.c
+    ${MCU_DIR}/broadcom/gpio.c
+    ${MCU_DIR}/broadcom/interrupts.c
+    ${MCU_DIR}/broadcom/mmu.c
+    ${MCU_DIR}/broadcom/caches.c
+    ${MCU_DIR}/broadcom/vcmailbox.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_compile_options(${BOARD_TARGET} PUBLIC
+    -O0
+    -ffreestanding
+    -mgeneral-regs-only
+    -fno-exceptions
+    -std=c17
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    BCM_VERSION=${BCM_VERSION}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${MCU_DIR}
+    )
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostdlib -nostartfiles
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
+  endif ()
+endfunction()
+
+
+#------------------------------------
+# Functions
+#------------------------------------
+function(family_configure_example TARGET RTOS)
+  family_configure_common(${TARGET} ${RTOS})
+
+  # Board target
+  add_board_target(board_${BOARD})
+
+  #---------- Port Specific ----------
+  # These files are built for each example since it depends on example's tusb_config.h
+  target_sources(${TARGET} PUBLIC
+    # BSP
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
+    )
+  target_include_directories(${TARGET} PUBLIC
+    # family, hw, board
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
+    )
+
+  # Add TinyUSB target and port source
+  family_add_tinyusb(${TARGET} OPT_MCU_BCM${BCM_VERSION} ${RTOS})
+  target_sources(${TARGET}-tinyusb PUBLIC
+    ${TOP}/src/portable/synopsys/dwc2/dcd_dwc2.c
+    )
+  target_link_libraries(${TARGET}-tinyusb PUBLIC board_${BOARD})
+
+  # Link dependencies
+  target_link_libraries(${TARGET} PUBLIC board_${BOARD} ${TARGET}-tinyusb)
+
+  # Flashing
+  family_flash_jlink(${TARGET})
+endfunction()

hw/bsp/broadcom_64bit/family.mk

@@ -1,6 +1,4 @@
 MCU_DIR = hw/mcu/broadcom
-DEPS_SUBMODULES += $(MCU_DIR)
-
 include $(TOP)/$(BOARD_PATH)/board.mk
 
 CFLAGS += \
@@ -26,8 +24,6 @@ SRC_C += \
 	$(MCU_DIR)/broadcom/caches.c \
 	$(MCU_DIR)/broadcom/vcmailbox.c
 
-SKIP_NANOLIB = 1
-
 LD_FILE = $(MCU_DIR)/broadcom/link8.ld
 
 INC += \
@@ -35,7 +31,7 @@ INC += \
 	$(TOP)/$(MCU_DIR) \
 	$(TOP)/lib/CMSIS_5/CMSIS/Core_A/Include
 
-SRC_S += $(MCU_DIR)/broadcom/boot8.S
+SRC_S += $(MCU_DIR)/broadcom/boot8.s
 
 $(BUILD)/kernel8.img: $(BUILD)/$(PROJECT).elf
 	$(OBJCOPY) -O binary $^ $@