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| author | Damien George <damien.p.george@gmail.com> | 2014-09-25 15:47:53 +0100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2014-09-25 15:47:53 +0100 |
| commit | ac04a8a56a1591ddbaf6558b8eab9837a7d2f3cb (patch) | |
| tree | 5e4e6ca0c3c3b45cb1bafff451920e60455069aa /stmhal/system_stm32f4xx.c | |
| parent | e8ea0724da1b2fd6f6eb1cc99154072159fc2c8d (diff) | |
| download | micropython-ac04a8a56a1591ddbaf6558b8eab9837a7d2f3cb.tar.gz micropython-ac04a8a56a1591ddbaf6558b8eab9837a7d2f3cb.zip | |
stmhal: Enable 8-byte stack alignment for IRQ handlers.
Diffstat (limited to 'stmhal/system_stm32f4xx.c')
| -rw-r--r-- | stmhal/system_stm32f4xx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/stmhal/system_stm32f4xx.c b/stmhal/system_stm32f4xx.c index 4f8090204f..e9742caf40 100644 --- a/stmhal/system_stm32f4xx.c +++ b/stmhal/system_stm32f4xx.c @@ -199,6 +199,9 @@ void SystemInit(void) #else SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */ #endif + + /* dpgeorge: enable 8-byte stack alignment for IRQ handlers, in accord with EABI */ + SCB->CCR |= SCB_CCR_STKALIGN_Msk; } /** |