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stm32: In link script, define start of stack separately from heap end.

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Previously the end of the heap was the start (lowest address) of the stack.
With the changes in this commit these addresses are now independent,
allowing a board to place the heap and stack in separate locations.
This commit is contained in:
Chris Mason
2019-05-15 00:43:38 +10:00
committed by Damien George
parent 8b18cfedee
commit 14cf91f704
26 changed files with 92 additions and 86 deletions
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2
ports/stm32/stm32_it.c
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@@ -181,7 +181,7 @@ void HardFault_C_Handler(ExceptionRegisters_t *regs) {
if ((void*)&_ram_start <= (void*)regs && (void*)regs < (void*)&_ram_end) {
mp_hal_stdout_tx_str("Stack:\r\n");
uint32_t *stack_top = &_estack;
if ((void*)regs < (void*)&_heap_end) {
if ((void*)regs < (void*)&_sstack) {
// stack not in static stack area so limit the amount we print
stack_top = (uint32_t*)regs + 32;
}