/* * linux/arch/unicore32/include/asm/assembler.h * * Code specific to PKUnity SoC and UniCore ISA * * Copyright (C) 2001-2010 GUAN Xue-tao * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * *  Do not include any C declarations in this file - it is included by *  assembler source. */#ifndef __ASSEMBLY__#error "Only include this from assembly code"#endif #include <asm/ptrace.h> /* * Little Endian independent macros for shifting bytes within registers. */#define pull            >>#define push            <<#define get_byte_0      << #0#define get_byte_1	>> #8#define get_byte_2	>> #16#define get_byte_3	>> #24#define put_byte_0      << #0#define put_byte_1	<< #8#define put_byte_2	<< #16#define put_byte_3	<< #24 #define cadd		cmpadd#define cand		cmpand#define csub		cmpsub#define cxor		cmpxor /* * Enable and disable interrupts */	.macro disable_irq, temp	mov	\temp, asr	andn     \temp, \temp, #0xFF	or	\temp, \temp, #PSR_I_BIT | PRIV_MODE	mov.a	asr, \temp	.endm 	.macro enable_irq, temp	mov	\temp, asr	andn     \temp, \temp, #0xFF	or	\temp, \temp, #PRIV_MODE	mov.a	asr, \temp	.endm #define USER(x...)				\9999:	x;					\	.pushsection __ex_table, "a";		\	.align	3;				\	.long	9999b, 9001f;			\	.popsection 	.macro	notcond, cond, nexti = .+8	.ifc	\cond, eq		bne	\nexti	.else;	.ifc	\cond, ne		beq	\nexti	.else;	.ifc	\cond, ea		bub	\nexti	.else;	.ifc	\cond, ub		bea	\nexti	.else;	.ifc	\cond, fs		bns	\nexti	.else;	.ifc	\cond, ns		bfs	\nexti	.else;	.ifc	\cond, fv		bnv	\nexti	.else;	.ifc	\cond, nv		bfv	\nexti	.else;	.ifc	\cond, ua		beb	\nexti	.else;	.ifc	\cond, eb		bua	\nexti	.else;	.ifc	\cond, eg		bsl	\nexti	.else;	.ifc	\cond, sl		beg	\nexti	.else;	.ifc	\cond, sg		bel	\nexti	.else;	.ifc	\cond, el		bsg	\nexti	.else;	.ifnc	\cond, al		.error  "Unknown cond in notcond macro argument"	.endif;	.endif;	.endif;	.endif;	.endif;	.endif;	.endif	.endif;	.endif;	.endif;	.endif;	.endif;	.endif;	.endif	.endif	.endm 	.macro	usracc, instr, reg, ptr, inc, cond, rept, abort	.rept	\rept	notcond	\cond, .+89999 :	.if	\inc == 1	\instr\()b.u \reg, [\ptr], #\inc	.elseif	\inc == 4	\instr\()w.u \reg, [\ptr], #\inc	.else	.error	"Unsupported inc macro argument"	.endif 	.pushsection __ex_table, "a"	.align	3	.long	9999b, \abort	.popsection	.endr	.endm 	.macro	strusr, reg, ptr, inc, cond = al, rept = 1, abort = 9001f	usracc	st, \reg, \ptr, \inc, \cond, \rept, \abort	.endm 	.macro	ldrusr, reg, ptr, inc, cond = al, rept = 1, abort = 9001f	usracc	ld, \reg, \ptr, \inc, \cond, \rept, \abort	.endm 	.macro	nop8	.rept	8		nop	.endr	.endm