aboutsummaryrefslogtreecommitdiff
path: root/ports/stm32/boards/stm32f439.ld
diff options
context:
space:
mode:
Diffstat (limited to 'ports/stm32/boards/stm32f439.ld')
-rw-r--r--ports/stm32/boards/stm32f439.ld29
1 files changed, 29 insertions, 0 deletions
diff --git a/ports/stm32/boards/stm32f439.ld b/ports/stm32/boards/stm32f439.ld
new file mode 100644
index 000000000..0da185e89
--- /dev/null
+++ b/ports/stm32/boards/stm32f439.ld
@@ -0,0 +1,29 @@
+/*
+ GNU linker script for STM32F439
+*/
+
+/* Specify the memory areas */
+MEMORY
+{
+ FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 0x200000 /* entire flash, 2048 KiB */
+ FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 0x004000 /* sector 0, 16 KiB */
+ FLASH_TEXT (rx) : ORIGIN = 0x08020000, LENGTH = 0x080000 /* sectors 5,6,7,8, 4*128KiB = 512 KiB (could increase it more) */
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 0x030000 /* 192 KiB */
+ CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 0x010000 /* 64 KiB */
+}
+
+/* produce a link error if there is not this amount of RAM for these sections */
+_minimum_stack_size = 2K;
+_minimum_heap_size = 16K;
+
+/* top end of the stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+/* define common sections and symbols */
+INCLUDE common.ld
+
+/* 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 = 0x2002c000; /* tunable */