@@ -93,65 +93,61 @@ extern void blackfin_dcache_flush_invalidate_range(const void *, const void *);
# define NOP_PAD_ANOMALY_05000198
#endif
-#define bfin_read8(addr) ({ \
- uint8_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) ({ \
- uint16_t __v; \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "%0 = w[%1] (z);" \
- : "=d" (__v) \
- : "a" (addr) \
- ); \
- __v; })
-
-#define bfin_read32(addr) ({ \
- uint32_t __v; \
+#define _bfin_writeX(addr, val, size, asm_size) \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
- "%0 = [%1];" \
- : "=d" (__v) \
- : "a" (addr) \
- ); \
- __v; })
-
-#define bfin_readPTR(addr) bfin_read32(addr)
-
-#define bfin_write8(addr, val) \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "b[%0] = %1;" \
- : \
- : "a" (addr), "d" (val) \
- : "memory" \
- )
-
-#define bfin_write16(addr, val) \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000198 \
- "w[%0] = %1;" \
+ #asm_size "[%0] = %1;" \
: \
- : "a" (addr), "d" (val) \
+ : "a" (addr), "d" ((u##size)(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, )
+
+#define bfin_read(addr) \
+({ \
+ sizeof(*(addr)) == 1 ? bfin_read8(addr) : \
+ sizeof(*(addr)) == 2 ? bfin_read16(addr) : \
+ sizeof(*(addr)) == 4 ? bfin_read32(addr) : \
+ ({ BUG(); 0; }); \
+})
+#define bfin_write(addr, val) \
+do { \
+ switch (sizeof(*(addr))) { \
+ case 1: bfin_write8(addr, val); break; \
+ case 2: bfin_write16(addr, val); break; \
+ case 4: bfin_write32(addr, val); break; \
+ default: BUG(); \
+ } \
+} while (0)
+
+#define bfin_write_or(addr, bits) \
+do { \
+ typeof(addr) __addr = (addr); \
+ bfin_write(__addr, bfin_read(__addr) | (bits)); \
+} while (0)
+
+#define bfin_write_and(addr, bits) \
+do { \
+ typeof(addr) __addr = (addr); \
+ bfin_write(__addr, bfin_read(__addr) & (bits)); \
+} while (0)
+#define bfin_readPTR(addr) bfin_read32(addr)
#define bfin_writePTR(addr, val) bfin_write32(addr, val)
/* SSYNC implementation for C file */
Signed-off-by: Mike Frysinger <vapier@gentoo.org> --- arch/blackfin/include/asm/blackfin_local.h | 88 +++++++++++++-------------- 1 files changed, 42 insertions(+), 46 deletions(-)