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Diffstat (limited to 'arch/blackfin/include/asm/def_LPBlackfin.h')
-rw-r--r--arch/blackfin/include/asm/def_LPBlackfin.h58
1 files changed, 14 insertions, 44 deletions
diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h
index 25906468622f..f342ff0319df 100644
--- a/arch/blackfin/include/asm/def_LPBlackfin.h
+++ b/arch/blackfin/include/asm/def_LPBlackfin.h
@@ -12,6 +12,8 @@
#include <mach/anomaly.h>
#define MK_BMSK_(x) (1<<x)
+#define BFIN_DEPOSIT(mask, x) (((x) << __ffs(mask)) & (mask))
+#define BFIN_EXTRACT(mask, x) (((x) & (mask)) >> __ffs(mask))
#ifndef __ASSEMBLY__
@@ -23,62 +25,30 @@
# define NOP_PAD_ANOMALY_05000198
#endif
-#define bfin_read8(addr) ({ \
- uint32_t __v; \
+#define _bfin_readX(addr, size, asm_size, asm_ext) ({ \
+ u32 __v; \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
- "%0 = b[%1] (z);" \
+ "%0 = " #asm_size "[%1]" #asm_ext ";" \
: "=d" (__v) \
: "a" (addr) \
); \
__v; })
-
-#define bfin_read16(addr) ({ \
- uint32_t __v; \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "%0 = w[%1] (z);" \
- : "=d" (__v) \
- : "a" (addr) \
- ); \
- __v; })
-
-#define bfin_read32(addr) ({ \
- uint32_t __v; \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "%0 = [%1];" \
- : "=d" (__v) \
- : "a" (addr) \
- ); \
- __v; })
-
-#define bfin_write8(addr, val) \
+#define _bfin_writeX(addr, val, size, asm_size) \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
- "b[%0] = %1;" \
+ #asm_size "[%0] = %1;" \
: \
- : "a" (addr), "d" ((uint8_t)(val)) \
+ : "a" (addr), "d" ((u##size)(val)) \
: "memory" \
)
-#define bfin_write16(addr, val) \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "w[%0] = %1;" \
- : \
- : "a" (addr), "d" ((uint16_t)(val)) \
- : "memory" \
- )
-
-#define bfin_write32(addr, val) \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "[%0] = %1;" \
- : \
- : "a" (addr), "d" (val) \
- : "memory" \
- )
+#define bfin_read8(addr) _bfin_readX(addr, 8, b, (z))
+#define bfin_read16(addr) _bfin_readX(addr, 16, w, (z))
+#define bfin_read32(addr) _bfin_readX(addr, 32, , )
+#define bfin_write8(addr, val) _bfin_writeX(addr, val, 8, b)
+#define bfin_write16(addr, val) _bfin_writeX(addr, val, 16, w)
+#define bfin_write32(addr, val) _bfin_writeX(addr, val, 32, )
#endif /* __ASSEMBLY__ */