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Fix RPI (armv6) build

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This commit is contained in:
skrll 2020-09-29 18:13:29 +00:00
parent fd5c758a79
commit 7c77f45c9b
1 changed files with 9 additions and 0 deletions
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9
sys/arch/arm/include/cpufunc.h
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@ -44,6 +44,7 @@
#define isb() __asm __volatile("isb" : : : "memory")
#ifdef _ARM_ARCH_7
/*
* Options for DMB and DSB:
* oshld Outer Shareable, load
@ -61,6 +62,14 @@
*/
#define dsb(opt) __asm __volatile("dsb " __STRING(opt) : : : "memory")
#define dmb(opt) __asm __volatile("dmb " __STRING(opt) : : : "memory")
#else
#define dsb(opt) \
__asm __volatile("mcr p15, 0, %0, c7, c10, 4" :: "r" (0) : "memory")
#define dmb(opt) \
__asm __volatile("mcr p15, 0, %0, c7, c10, 5" :: "r" (0) : "memory")
#endif
#ifdef __arm__