diff options
Diffstat (limited to 'sys/powerpc/include/atomic.h')
| -rw-r--r-- | sys/powerpc/include/atomic.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sys/powerpc/include/atomic.h b/sys/powerpc/include/atomic.h index dee4c84fe68c..ad23a3fb1254 100644 --- a/sys/powerpc/include/atomic.h +++ b/sys/powerpc/include/atomic.h @@ -33,6 +33,10 @@ #include <machine/cpufunc.h> +#ifndef _SYS_CDEFS_H_ +#error this file needs sys/cdefs.h as a prerequisite +#endif + /* * Various simple arithmetic on memory which is atomic in the presence * of interrupts and SMP safe. @@ -53,7 +57,7 @@ atomic_set_32(volatile uint32_t *p, uint32_t v) { uint32_t temp; -#ifdef __GNUC__ +#ifdef __GNUCLIKE_ASM __asm __volatile ( "1:\tlwarx %0, 0, %2\n\t" /* load old value */ "or %0, %3, %0\n\t" /* calculate new value */ @@ -70,7 +74,7 @@ atomic_clear_32(volatile uint32_t *p, uint32_t v) { uint32_t temp; -#ifdef __GNUC__ +#ifdef __GNUCLIKE_ASM __asm __volatile ( "1:\tlwarx %0, 0, %2\n\t" /* load old value */ "andc %0, %0, %3\n\t" /* calculate new value */ @@ -87,7 +91,7 @@ atomic_add_32(volatile uint32_t *p, uint32_t v) { uint32_t temp; -#ifdef __GNUC__ +#ifdef __GNUCLIKE_ASM __asm __volatile ( "1:\tlwarx %0, 0, %2\n\t" /* load old value */ "add %0, %3, %0\n\t" /* calculate new value */ @@ -104,7 +108,7 @@ atomic_subtract_32(volatile uint32_t *p, uint32_t v) { uint32_t temp; -#ifdef __GNUC__ +#ifdef __GNUCLIKE_ASM __asm __volatile ( "1:\tlwarx %0, 0, %2\n\t" /* load old value */ "subf %0, %3, %0\n\t" /* calculate new value */ @@ -121,7 +125,7 @@ atomic_readandclear_32(volatile uint32_t *addr) { uint32_t result,temp; -#ifdef __GNUC__ +#ifdef __GNUCLIKE_ASM __asm __volatile ( "\tsync\n" /* drain writes */ "1:\tlwarx %0, 0, %3\n\t" /* load old value */ @@ -348,7 +352,7 @@ atomic_cmpset_32(volatile uint32_t* p, uint32_t cmpval, uint32_t newval) { uint32_t ret; -#ifdef __GNUC__ +#ifdef __GNUCLIKE_ASM __asm __volatile ( "1:\tlwarx %0, 0, %2\n\t" /* load old value */ "cmplw %3, %0\n\t" /* compare */ |