diff options
| author | Keith Packard <keithp@keithp.com> | 2018-09-11 18:46:52 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2018-10-13 08:23:25 -0700 |
| commit | 23075d174d2bff8ff3f3deef3c3d90b83da6bd2e (patch) | |
| tree | 327dc05580ff64592f915966062b7c0983d6f315 /src | |
| parent | 71248c899676e0c2f3a478c63dec0d005b2458e6 (diff) | |
altos/stm32f4: Align stack to 8 bytes
This makes sure that doubles are aligned properly when passed on the stack.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/kernel/ao_task.h | 6 | ||||
| -rw-r--r-- | src/stm32f4/ao_arch.h | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/src/kernel/ao_task.h b/src/kernel/ao_task.h index f3789fa2..709e10c6 100644 --- a/src/kernel/ao_task.h +++ b/src/kernel/ao_task.h @@ -27,14 +27,12 @@ #endif /* arm stacks must be 32-bit aligned */ +#ifndef AO_STACK_ALIGNMENT #ifdef __arm__ #define AO_STACK_ALIGNMENT __attribute__ ((aligned(4))) -#endif -#ifdef SDCC +#else #define AO_STACK_ALIGNMENT #endif -#ifdef __AVR__ -#define AO_STACK_ALIGNMENT #endif /* An AltOS task */ diff --git a/src/stm32f4/ao_arch.h b/src/stm32f4/ao_arch.h index 73eb793f..d4c78f60 100644 --- a/src/stm32f4/ao_arch.h +++ b/src/stm32f4/ao_arch.h @@ -19,9 +19,11 @@ #include <stm32f4.h> #ifndef AO_STACK_SIZE -#define AO_STACK_SIZE 512 +#define AO_STACK_SIZE 1024 #endif +#define AO_STACK_ALIGNMENT __attribute__ ((aligned(8))) + #define AO_PORT_TYPE uint16_t #define ao_arch_nop() asm("nop") |