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Commit a961d659 authored by Jie Zhang's avatar Jie Zhang Committed by Bryan Wu
Browse files

Blackfin arch: More explicitly describe what the instructions do in inline assembly. 



Signed-off-by: default avatarJie Zhang <jie.zhang@analog.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
parent 561cc18b

include/asm-blackfin/mach-common/def_LPBlackfin.h

+4 −4
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ 
#endif



#define bfin_read8(addr) ({ \

	uint8_t __v; \

	uint32_t __v; \

	__asm__ __volatile__( \

		NOP_PAD_ANOMALY_05000198 \

		"%0 = b[%1] (z);" \
@@ -56,7 +56,7 @@ 
	__v; })



#define bfin_read16(addr) ({ \

	uint16_t __v; \

	uint32_t __v; \

	__asm__ __volatile__( \

		NOP_PAD_ANOMALY_05000198 \

		"%0 = w[%1] (z);" \
@@ -80,7 +80,7 @@ 
		NOP_PAD_ANOMALY_05000198 \

		"b[%0] = %1;" \

		: \

		: "a" (addr), "d" (val) \

		: "a" (addr), "d" ((uint8_t)(val)) \

		: "memory" \

	)
@@ -89,7 +89,7 @@ 
		NOP_PAD_ANOMALY_05000198 \

		"w[%0] = %1;" \

		: \

		: "a" (addr), "d" (val) \

		: "a" (addr), "d" ((uint16_t)(val)) \

		: "memory" \

	)