Commit 4cb764b4 authored by Steven J. Hill's avatar Steven J. Hill Committed by John Crispin
Browse files

MIPS: dsp: Simplify the DSP macros. 



Simplify the DSP macros for vanilla (non-microMIPS) kernels and
toolchains that do not support the DSP ASEs.

Signed-off-by: default avatarSteven J. Hill <sjhill@mips.com>
Patchwork: http://patchwork.linux-mips.org/patch/4687/


Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
parent d0c1b478

arch/mips/include/asm/mipsregs.h

+30 −201
Original line number Diff line number Diff line
@@ -1314,229 +1314,58 @@ do { \ 
	: "r" (val), "i" (mask));					\

} while (0)



#define mfhi0()								\

#define _dsp_mfxxx(ins)							\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	# mfhi	%0, $ac0		\n"			\

	"	.word	0x00000810		\n"			\

	"	.word	(0x00000810 | %1)			\n"	\

	"	move	%0, $1					\n"	\

	"	.set	pop					\n"	\

	: "=r" (__treg));						\

	__treg;								\

})



#define mfhi1()								\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push			\n"			\

	"	.set	noat			\n"			\

	"	# mfhi	%0, $ac1		\n"			\

	"	.word	0x00200810		\n"			\

	"	move	%0, $1			\n"			\

	"	.set	pop			\n"			\

	: "=r" (__treg));						\

	__treg;								\

})



#define mfhi2()								\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push			\n"			\

	"	.set	noat			\n"			\

	"	# mfhi	%0, $ac2		\n"			\

	"	.word	0x00400810		\n"			\

	"	move	%0, $1			\n"			\

	"	.set	pop			\n"			\

	: "=r" (__treg));						\

	__treg;								\

})



#define mfhi3()								\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push			\n"			\

	"	.set	noat			\n"			\

	"	# mfhi	%0, $ac3		\n"			\

	"	.word	0x00600810		\n"			\

	"	move	%0, $1			\n"			\

	"	.set	pop			\n"			\

	: "=r" (__treg));						\

	__treg;								\

})



#define mflo0()								\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push			\n"			\

	"	.set	noat			\n"			\

	"	# mflo	%0, $ac0		\n"			\

	"	.word	0x00000812		\n"			\

	"	move	%0, $1			\n"			\

	"	.set	pop			\n"			\

	: "=r" (__treg));						\

	__treg;								\

})



#define mflo1()								\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push			\n"			\

	"	.set	noat			\n"			\

	"	# mflo	%0, $ac1		\n"			\

	"	.word	0x00200812		\n"			\

	"	move	%0, $1			\n"			\

	"	.set	pop			\n"			\

	: "=r" (__treg));						\

	__treg;								\

})



#define mflo2()								\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push			\n"			\

	"	.set	noat			\n"			\

	"	# mflo	%0, $ac2		\n"			\

	"	.word	0x00400812		\n"			\

	"	move	%0, $1			\n"			\

	"	.set	pop			\n"			\

	: "=r" (__treg));						\

	__treg;								\

})



#define mflo3()								\

({									\

	unsigned long __treg;						\

									\

	__asm__ __volatile__(						\

	"	.set	push			\n"			\

	"	.set	noat			\n"			\

	"	# mflo	%0, $ac3		\n"			\

	"	.word	0x00600812		\n"			\

	"	move	%0, $1			\n"			\

	"	.set	pop			\n"			\

	: "=r" (__treg));						\

	: "=r" (__treg)							\

	: "i" (ins));							\

	__treg;								\

})



#define mthi0(x)							\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mthi	$1, $ac0				\n"	\

	"	.word	0x00200011				\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

} while (0)



#define mthi1(x)							\

#define _dsp_mtxxx(val, ins)						\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mthi	$1, $ac1				\n"	\

	"	.word	0x00200811				\n"	\

	"	.word	(0x00200011 | %1)			\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

	: "r" (val), "i" (ins));					\

} while (0)



#define mthi2(x)							\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mthi	$1, $ac2				\n"	\

	"	.word	0x00201011				\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

} while (0)

#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)

#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)



#define mthi3(x)							\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mthi	$1, $ac3				\n"	\

	"	.word	0x00201811				\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

} while (0)

#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))

#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))



#define mtlo0(x)							\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mtlo	$1, $ac0				\n"	\

	"	.word	0x00200013				\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

} while (0)

#define mflo0() _dsp_mflo(0)

#define mflo1() _dsp_mflo(1)

#define mflo2() _dsp_mflo(2)

#define mflo3() _dsp_mflo(3)



#define mtlo1(x)							\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mtlo	$1, $ac1				\n"	\

	"	.word	0x00200813				\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

} while (0)

#define mfhi0() _dsp_mfhi(0)

#define mfhi1() _dsp_mfhi(1)

#define mfhi2() _dsp_mfhi(2)

#define mfhi3() _dsp_mfhi(3)



#define mtlo2(x)							\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mtlo	$1, $ac2				\n"	\

	"	.word	0x00201013				\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

} while (0)

#define mtlo0(x) _dsp_mtlo(x, 0)

#define mtlo1(x) _dsp_mtlo(x, 1)

#define mtlo2(x) _dsp_mtlo(x, 2)

#define mtlo3(x) _dsp_mtlo(x, 3)



#define mtlo3(x)							\

do {									\

	__asm__ __volatile__(						\

	"	.set	push					\n"	\

	"	.set	noat					\n"	\

	"	move	$1, %0					\n"	\

	"	# mtlo	$1, $ac3				\n"	\

	"	.word	0x00201813				\n"	\

	"	.set	pop					\n"	\

	:								\

	: "r" (x));							\

} while (0)

#define mthi0(x) _dsp_mthi(x, 0)

#define mthi1(x) _dsp_mthi(x, 1)

#define mthi2(x) _dsp_mthi(x, 2)

#define mthi3(x) _dsp_mthi(x, 3)



#endif /* CONFIG_CPU_MICROMIPS */

#endif

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