update stm32f1 to support iar build

.github/workflows/build_iar.yml

@@ -28,6 +28,7 @@ jobs:
         family:
         # Alphabetical order
         - 'stm32f0'
+        - 'stm32f1'
     steps:
     - name: Clean workspace
       run: |

examples/rules.mk

@@ -72,6 +72,10 @@ ifdef LD_FILE
 LDFLAGS += -Wl,-T,$(TOP)/$(LD_FILE)
 endif
 
+ifdef GCC_LD_FILE
+LDFLAGS += -Wl,-T,$(TOP)/$(GCC_LD_FILE)
+endif
+
 ifneq ($(SKIP_NANOLIB), 1)
 LDFLAGS += -specs=nosys.specs -specs=nano.specs
 endif

hw/bsp/stm32f0/boards/stm32f070rbnucleo/board.mk

@@ -1,8 +1,10 @@
 CFLAGS += -DSTM32F070xB -DCFG_EXAMPLE_VIDEO_READONLY
 
+# GCC
 GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f070xb.s
-LD_FILE = $(BOARD_PATH)/stm32F070rbtx_flash.ld
+GCC_LD_FILE = $(BOARD_PATH)/stm32F070rbtx_flash.ld
 
+# IAR
 IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f070xb.s
 IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f070xb_flash.icf
 

hw/bsp/stm32f0/boards/stm32f072disco/board.mk

@@ -1,7 +1,7 @@
 CFLAGS += -DSTM32F072xB -DCFG_EXAMPLE_VIDEO_READONLY
 
 GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s
-LD_FILE = $(BOARD_PATH)/STM32F072RBTx_FLASH.ld
+GCC_LD_FILE = $(BOARD_PATH)/STM32F072RBTx_FLASH.ld
 
 IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f072xb.s
 IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f072xb_flash.icf

hw/bsp/stm32f0/boards/stm32f072eval/board.mk

@@ -1,7 +1,7 @@
 CFLAGS += -DSTM32F072xB -DLSI_VALUE=40000 -DCFG_EXAMPLE_VIDEO_READONLY
 
 GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s
-LD_FILE = $(BOARD_PATH)/STM32F072VBTx_FLASH.ld
+GCC_LD_FILE = $(BOARD_PATH)/STM32F072VBTx_FLASH.ld
 
 IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f072xb.s
 IAR_LD_FILE = $(ST_CMSIS)/Source/Templates/iar/linker/stm32f072xb_flash.icf

hw/bsp/stm32f0/family.mk

@@ -7,13 +7,14 @@ ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
 include $(TOP)/$(BOARD_PATH)/board.mk
 
+# --------------
+# Compiler Flags
+# --------------
 CFLAGS += \
   -DCFG_EXAMPLE_MSC_READONLY \
   -DCFG_TUSB_MCU=OPT_MCU_STM32F0
 
-# --------------
 # GCC Flags
-# --------------
 GCC_CFLAGS += \
   -flto \
   -mthumb \
@@ -25,12 +26,14 @@ GCC_CFLAGS += \
 # suppress warning caused by vendor mcu driver
 GCC_CFLAGS += -Wno-error=unused-parameter -Wno-error=cast-align -Wno-error=cast-qual
 
-# --------------
 # IAR Flags
-# --------------
 IAR_CFLAGS += --cpu cortex-m0
 IAR_ASFLAGS += --cpu cortex-m0
 
+# ------------------------
+# All source paths should be relative to the top level.
+# ------------------------
+
 SRC_C += \
   src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
   $(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \

hw/bsp/stm32f1/boards/stm32f103_bluepill/board.mk

@@ -1,8 +1,12 @@
 CFLAGS += -DSTM32F103xB -DHSE_VALUE=8000000U -DCFG_EXAMPLE_VIDEO_READONLY
 
-# All source paths should be relative to the top level.
+# GCC
-LD_FILE = $(BOARD_PATH)/STM32F103X8_FLASH.ld
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f103xb.s
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f103xb.s
+GCC_LD_FILE = $(BOARD_PATH)/STM32F103X8_FLASH.ld
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f103xb.s
+IAR_LD_FILE = $(BOARD_PATH)/stm32f103x8_flash.icf
 
 # For flash-jlink target
 JLINK_DEVICE = stm32f103c8

hw/bsp/stm32f1/boards/stm32f103_bluepill/stm32f103x8_flash.icf

@@ -0,0 +1,31 @@
+/*###ICF### Section handled by ICF editor, don't touch! ****/
+/*-Editor annotation file-*/
+/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
+/*-Specials-*/
+define symbol __ICFEDIT_intvec_start__ = 0x08000000;
+/*-Memory Regions-*/
+define symbol __ICFEDIT_region_ROM_start__   = 0x08000000 ;
+define symbol __ICFEDIT_region_ROM_end__     = 0x0800FFFF;
+define symbol __ICFEDIT_region_RAM_start__   = 0x20000000;
+define symbol __ICFEDIT_region_RAM_end__     = 0x20004FFF;
+/*-Sizes-*/
+define symbol __ICFEDIT_size_cstack__   = 0x400;
+define symbol __ICFEDIT_size_heap__     = 0x200;
+/**** End of ICF editor section. ###ICF###*/
+
+
+define memory mem with size = 4G;
+define region ROM_region   = mem:[from __ICFEDIT_region_ROM_start__   to __ICFEDIT_region_ROM_end__];
+define region RAM_region   = mem:[from __ICFEDIT_region_RAM_start__   to __ICFEDIT_region_RAM_end__];
+
+define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
+define block HEAP      with alignment = 8, size = __ICFEDIT_size_heap__     { };
+
+initialize by copy { readwrite };
+do not initialize  { section .noinit };
+
+place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
+
+place in ROM_region   { readonly };
+place in RAM_region   { readwrite,
+                        block CSTACK, block HEAP };

hw/bsp/stm32f1/boards/stm32f103_mini_2/board.mk

@@ -1,8 +1,12 @@
 CFLAGS += -DSTM32F103xB -DHSE_VALUE=8000000U
 
-# All source paths should be relative to the top level.
+# GCC
-LD_FILE = $(BOARD_PATH)/STM32F103XC_FLASH.ld
+GCC_SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f103xb.s
-SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f103xb.s
+GCC_LD_FILE = $(BOARD_PATH)/STM32F103XC_FLASH.ld
+
+# IAR
+IAR_SRC_S += $(ST_CMSIS)/Source/Templates/iar/startup_stm32f103xb.s
+IAR_LD_FILE = $(BOARD_PATH)/stm32f103xc_flash.icf
 
 # For flash-jlink target
 JLINK_DEVICE = stm32f103rc

hw/bsp/stm32f1/family.c

@@ -104,7 +104,8 @@ void board_init(void)
 
 void board_led_write(bool state)
 {
-  HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+  GPIO_PinState pin_state = (GPIO_PinState) (state ? LED_STATE_ON : (1-LED_STATE_ON));
+  HAL_GPIO_WritePin(LED_PORT, LED_PIN, pin_state);
 }
 
 uint32_t board_button_read(void)
@@ -139,7 +140,7 @@ uint32_t board_millis(void)
 
 void HardFault_Handler (void)
 {
-  asm("bkpt");
+  __asm("BKPT #0\n");
 }
 
 #ifdef  USE_FULL_ASSERT

hw/bsp/stm32f1/family.mk

@@ -6,19 +6,28 @@ ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
 include $(TOP)/$(BOARD_PATH)/board.mk
 
+# --------------
+# Compiler Flags
+# --------------
 CFLAGS += \
+  -DCFG_TUSB_MCU=OPT_MCU_STM32F1
+
+# GCC Flags
+GCC_CFLAGS += \
   -flto \
   -mthumb \
   -mabi=aapcs \
   -mcpu=cortex-m3 \
   -mfloat-abi=soft \
   -nostdlib -nostartfiles \
-  -DCFG_TUSB_MCU=OPT_MCU_STM32F1
 
-# mcu driver cause following warnings
+# IAR Flags
-#CFLAGS += -Wno-error=unused-parameter
+IAR_CFLAGS += --cpu cortex-m3
+IAR_ASFLAGS += --cpu cortex-m3
 
+# ------------------------
 # All source paths should be relative to the top level.
+# ------------------------
 SRC_C += \
   src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
   $(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \

src/common/tusb_compiler.h

@@ -76,9 +76,9 @@
  * - ##__VA_ARGS__ is used to deal with 0 paramerter (swallows comma)
  *------------------------------------------------------------------*/
 #if !defined(__CCRX__)
-#define TU_ARGS_NUM(...)   _TU_NARG(_0, ##__VA_ARGS__,_RSEQ_N())
+#define TU_ARGS_NUM(...)   _TU_NARG(_0, ##__VA_ARGS__, _RSEQ_N())
 #else
-#define TU_ARGS_NUM(...)   _TU_NARG(_0, __VA_ARGS__,_RSEQ_N())
+#define TU_ARGS_NUM(...)   _TU_NARG(_0, __VA_ARGS__, _RSEQ_N())
 #endif
 
 #define _TU_NARG(...)      _GET_NTH_ARG(__VA_ARGS__)