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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-03-01 11:37:32 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-03-01 19:05:00 -0500 |
| commit | 0b33e0b427641f22b47afb230dc8f623d743971c (patch) | |
| tree | 70f63ddebb52566466120f069da4cab36f31169b | |
| parent | a1d74a08e4f671edfc5b5ad575c3f97077e37154 (diff) | |
| download | kutter-0b33e0b427641f22b47afb230dc8f623d743971c.tar.gz kutter-0b33e0b427641f22b47afb230dc8f623d743971c.tar.xz kutter-0b33e0b427641f22b47afb230dc8f623d743971c.zip | |
atsamd: Implement custom memory allocation functions
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
| -rw-r--r-- | src/atsamd/Makefile | 3 | ||||
| -rw-r--r-- | src/atsamd/main.c | 16 |
2 files changed, 17 insertions, 2 deletions
diff --git a/src/atsamd/Makefile b/src/atsamd/Makefile index 5b279903..6db2e177 100644 --- a/src/atsamd/Makefile +++ b/src/atsamd/Makefile @@ -17,8 +17,7 @@ CFLAGS += $(CFLAGS-y) -D__$(MCU)__ -mthumb -Ilib/cmsis-core CFLAGS_klipper.elf += -T $(OUT)samd.ld --specs=nano.specs --specs=nosys.specs # Add source files -src-y += atsamd/main.c atsamd/gpio.c -src-y += generic/crc16_ccitt.c generic/alloc.c generic/armcm_irq.c +src-y += atsamd/main.c atsamd/gpio.c generic/crc16_ccitt.c generic/armcm_irq.c src-$(CONFIG_USBSERIAL) += atsamd/usbserial.c generic/usb_cdc.c src-$(CONFIG_SERIAL) += atsamd/serial.c generic/serial_irq.c src-$(CONFIG_HAVE_GPIO_ADC) += atsamd/adc.c diff --git a/src/atsamd/main.c b/src/atsamd/main.c index 9233662f..5a5a374d 100644 --- a/src/atsamd/main.c +++ b/src/atsamd/main.c @@ -10,6 +10,22 @@ DECL_CONSTANT(MCU, CONFIG_MCU); +// Return the start of memory available for dynamic allocations +void * +dynmem_start(void) +{ + extern uint32_t _ezero; + return &_ezero; +} + +// 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) { |