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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-07-27 17:03:18 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-07-27 21:32:04 -0400 |
| commit | 7bc0a261abdf295d0f35b89bfe51168a9f1c0b37 (patch) | |
| tree | 54266d7da76d4e1093bf6488a049994da05b30c3 /src | |
| parent | 16616662eddb17abe204c61abcf7066e6b526bf3 (diff) | |
| download | kutter-7bc0a261abdf295d0f35b89bfe51168a9f1c0b37.tar.gz kutter-7bc0a261abdf295d0f35b89bfe51168a9f1c0b37.tar.xz kutter-7bc0a261abdf295d0f35b89bfe51168a9f1c0b37.zip | |
stm32f4: Automatically calculate dynmem start/end
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src')
| -rw-r--r-- | src/stm32f4/Makefile | 3 | ||||
| -rw-r--r-- | src/stm32f4/main.c | 16 |
2 files changed, 17 insertions, 2 deletions
diff --git a/src/stm32f4/Makefile b/src/stm32f4/Makefile index bfd8a6cf..5e32d647 100644 --- a/src/stm32f4/Makefile +++ b/src/stm32f4/Makefile @@ -16,8 +16,7 @@ CFLAGS_klipper.elf += -T $(OUT)stm32f4.ld --specs=nano.specs --specs=nosys.specs # Add source files src-y += stm32f4/main.c stm32f4/clock.c stm32f4/watchdog.c stm32f4/gpio.c -src-y += generic/crc16_ccitt.c generic/alloc.c -src-y += generic/armcm_irq.c generic/armcm_timer.c +src-y += generic/crc16_ccitt.c generic/armcm_irq.c generic/armcm_timer.c src-y += ../lib/stm32f4/system_stm32f4xx.c src-$(CONFIG_HAVE_GPIO_ADC) += stm32f4/adc.c src-$(CONFIG_HAVE_GPIO_SPI) += stm32f4/spi.c diff --git a/src/stm32f4/main.c b/src/stm32f4/main.c index a6424770..b3069cc9 100644 --- a/src/stm32f4/main.c +++ b/src/stm32f4/main.c @@ -11,6 +11,22 @@ DECL_CONSTANT_STR("MCU", CONFIG_MCU); +// Return the start of memory available for dynamic allocations +void * +dynmem_start(void) +{ + extern uint32_t _ebss; + return &_ebss; +} + +// Return the end of memory available for dynamic allocations +void * +dynmem_end(void) +{ + extern uint32_t _sstack; + return &_sstack; +} + void command_reset(uint32_t *args) { |