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py/asmthumb: Flush D-cache, and invalidate I-cache on STM32F7.

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Tested on a STM32F7DISCO at 216MHz.  All tests generating code (inlineasm,
native, viper) now pass, except pybnative/while.py, but that's because
there is no LED(2).
This commit is contained in:
Antonin ENFRUN 2016-09-08 00:02:17 +02:00 committed by Damien George
parent 3611dcc260
commit f3b19ef634
1 changed files with 9 additions and 0 deletions
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9
py/asmthumb.c
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@ -90,6 +90,15 @@ void asm_thumb_start_pass(asm_thumb_t *as, uint pass) {
void asm_thumb_end_pass(asm_thumb_t *as) { void asm_thumb_end_pass(asm_thumb_t *as) {
(void)as; (void)as;
// could check labels are resolved... // could check labels are resolved...
#if defined(MCU_SERIES_F7)
if (as->pass == ASM_THUMB_PASS_EMIT) {
// flush D-cache, so the code emited is stored in memory
SCB_CleanDCache_by_Addr((uint32_t*)as->code_base, as->code_size);
// invalidate I-cache
SCB_InvalidateICache();
}
#endif
} }
// all functions must go through this one to emit bytes // all functions must go through this one to emit bytes