diff options
Diffstat (limited to 'arch/blackfin/include/asm/def_LPBlackfin.h')
| -rw-r--r-- | arch/blackfin/include/asm/def_LPBlackfin.h | 58 |
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__ */ |