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stm32/profiler.c: Add gprof-compatible profiling for STM32. #5926

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stm32/profiler.c: Add gprof-compatible profiling for STM32. #5926

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20 changes: 18 additions & 2 deletions ports/stm32/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -131,12 +131,16 @@ LDFLAGS += --gc-sections

# Debugging/Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -g -DPENDSV_DEBUG
CFLAGS += -DPENDSV_DEBUG
COPT = -O0
else
COPT += -Os -DNDEBUG
endif

# Always enable symbols -- They're occasionally useful, and don't make it into the
# final .bin/.hex/.dfu so the extra size doesn't matter.
CFLAGS += -g

# Options for mpy-cross
MPY_CROSS_FLAGS += -march=armv7m

Expand Down Expand Up @@ -320,7 +324,7 @@ SRC_C = \
adc.c \
$(wildcard $(BOARD_DIR)/*.c)

SRC_O = \
SRC_O += \
$(STARTUP_FILE) \
$(SYSTEM_FILE)

Expand All @@ -342,6 +346,18 @@ SRC_O += \
endif
endif

ifeq ($(MICROPY_ENABLE_PROFILER),1)
SRC_C += \
profiler.c \

SRC_O += \
profiler_mcount.o \

$(BUILD)/py/%.o: CFLAGS += -pg

CFLAGS += -DMICROPY_ENABLE_PROFILER
endif

SRC_HAL = $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_,\
hal.c \
hal_adc.c \
Expand Down
1 change: 1 addition & 0 deletions ports/stm32/boards/common_basic.ld
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Expand Up @@ -28,6 +28,7 @@ SECTIONS
.text :
{
. = ALIGN(4);
_stext = .; /* define a global symbol at start of code */
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
/* *(.glue_7) */ /* glue arm to thumb code */
Expand Down
1 change: 1 addition & 0 deletions ports/stm32/boards/common_bl.ld
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Expand Up @@ -28,6 +28,7 @@ SECTIONS
.text :
{
. = ALIGN(4);
_stext = .; /* define a global symbol at start of code */
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
/* *(.glue_7) */ /* glue arm to thumb code */
Expand Down
1 change: 1 addition & 0 deletions ports/stm32/boards/common_blifs.ld
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Expand Up @@ -28,6 +28,7 @@ SECTIONS
.text :
{
. = ALIGN(4);
_stext = .; /* define a global symbol at start of code */
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
/* *(.glue_7) */ /* glue arm to thumb code */
Expand Down
1 change: 1 addition & 0 deletions ports/stm32/boards/common_ifs.ld
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Expand Up @@ -45,6 +45,7 @@ SECTIONS
.text :
{
. = ALIGN(4);
_stext = .; /* define a global symbol at start of code */
*(.text*) /* .text* sections (code) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
/* *(.glue_7) */ /* glue arm to thumb code */
Expand Down
12 changes: 11 additions & 1 deletion ports/stm32/mpconfigport.h
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Original file line number Diff line number Diff line change
Expand Up @@ -225,6 +225,7 @@

// extra built in modules to add to the list of known ones
extern const struct _mp_obj_module_t machine_module;
extern const struct _mp_obj_module_t profiler_module;
extern const struct _mp_obj_module_t pyb_module;
extern const struct _mp_obj_module_t stm_module;
extern const struct _mp_obj_module_t mp_module_ubinascii;
Expand All @@ -239,8 +240,14 @@ extern const struct _mp_obj_module_t mp_module_usocket;
extern const struct _mp_obj_module_t mp_module_network;
extern const struct _mp_obj_module_t mp_module_onewire;

#if MICROPY_ENABLE_PROFILER
#define PROFILER_BUILTIN_MODULE { MP_ROM_QSTR(MP_QSTR_profiler), MP_ROM_PTR(&profiler_module) },
#else
#define PROFILER_BUILTIN_MODULE
#endif

#if MICROPY_PY_STM
#define STM_BUILTIN_MODULE { MP_ROM_QSTR(MP_QSTR_stm), MP_ROM_PTR(&stm_module) },
#define STM_BUILTIN_MODULE { MP_ROM_QSTR(MP_QSTR_stm), MP_ROM_PTR(&stm_module) },
#else
#define STM_BUILTIN_MODULE
#endif
Expand All @@ -264,6 +271,7 @@ extern const struct _mp_obj_module_t mp_module_onewire;

#define MICROPY_PORT_BUILTIN_MODULES \
{ MP_ROM_QSTR(MP_QSTR_umachine), MP_ROM_PTR(&machine_module) }, \
PROFILER_BUILTIN_MODULE \
{ MP_ROM_QSTR(MP_QSTR_pyb), MP_ROM_PTR(&pyb_module) }, \
STM_BUILTIN_MODULE \
{ MP_ROM_QSTR(MP_QSTR_uos), MP_ROM_PTR(&mp_module_uos) }, \
Expand Down Expand Up @@ -332,6 +340,8 @@ struct _mp_bluetooth_btstack_root_pointers_t;
/* list of registered NICs */ \
mp_obj_list_t mod_network_nic_list; \
\
uint8_t *profiling_buffer;
\
MICROPY_PORT_ROOT_POINTER_MBEDTLS \
MICROPY_PORT_ROOT_POINTER_BLUETOOTH_NIMBLE \
MICROPY_PORT_ROOT_POINTER_BLUETOOTH_BTSTACK \
Expand Down
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