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-rw-r--r--ports/stm32/boards/stm32f722.ld27
1 files changed, 27 insertions, 0 deletions
diff --git a/ports/stm32/boards/stm32f722.ld b/ports/stm32/boards/stm32f722.ld
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index 000000000..f2a1d8511
--- /dev/null
+++ b/ports/stm32/boards/stm32f722.ld
@@ -0,0 +1,27 @@
+/*
+ GNU linker script for STM32F722, STM32F723, STM32F732, STM32F733
+*/
+
+/* Specify the memory areas */
+MEMORY
+{
+ FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
+ FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 32K /* sectors 0,1 */
+ FLASH_APP (rx) : ORIGIN = 0x08008000, LENGTH = 480K /* sectors 2-7 */
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 256K /* DTCM+SRAM1+SRAM2 */
+}
+
+/* produce a link error if there is not this amount of RAM for these sections */
+_minimum_stack_size = 2K;
+_minimum_heap_size = 16K;
+
+/* Define tho top end of the stack. The stack is full descending so begins just
+ above last byte of RAM. Note that EABI requires the stack to be 8-byte
+ aligned for a call. */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+/* RAM extents for the garbage collector */
+_ram_start = ORIGIN(RAM);
+_ram_end = ORIGIN(RAM) + LENGTH(RAM);
+_heap_start = _ebss; /* heap starts just after statically allocated memory */
+_heap_end = 0x20038000; /* tunable */