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grlib: use cpu-independent routines for uncached access

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Update #3678.
This commit is contained in:
Jiri Gaisler
2019-01-18 18:00:47 +01:00
committed by Sebastian Huber
parent 5981c8ca9f
commit 9b2b389e8d
10 changed files with 145 additions and 71 deletions
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29
bsps/shared/grlib/spw/grspw.c
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@@ -152,32 +152,9 @@ void (*grspw_timecode_callback)
#define _MEM_READ8(address) (*(volatile unsigned char *)(address))
#define _MEM_READ32(address) (*(volatile unsigned int *)(address))
#else
static inline unsigned int _SPW_READ(volatile void *addr) {
unsigned int tmp;
__asm__ (" lda [%1]1, %0 "
: "=r"(tmp)
: "r"(addr)
);
return tmp;
}
static inline unsigned int _MEM_READ8(volatile void *addr) {
unsigned int tmp;
__asm__ (" lduba [%1]1, %0 "
: "=r"(tmp)
: "r"(addr)
);
return tmp;
}
static inline unsigned int _MEM_READ32(volatile void *addr) {
unsigned int tmp;
__asm__ (" lda [%1]1, %0 "
: "=r"(tmp)
: "r"(addr)
);
return tmp;
}
#define _SPW_READ(address) grlib_read_uncached32((unsigned int) address)
#define _MEM_READ8(address) grlib_read_uncached8((unsigned int) address)
#define _MEM_READ32(address) grlib_read_uncached32((unsigned int) address)
#endif
#define MEM_READ8(addr) _MEM_READ8((volatile void *)(addr))