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asm.h revision 1.62.2.1
      1  1.62.2.1   thorpej /*	$NetBSD: asm.h,v 1.62.2.1 2021/04/03 22:28:31 thorpej Exp $	*/
      2       1.4       cgd 
      3       1.1   deraadt /*
      4       1.2     glass  * Copyright (c) 1992, 1993
      5       1.2     glass  *	The Regents of the University of California.  All rights reserved.
      6       1.1   deraadt  *
      7       1.1   deraadt  * This code is derived from software contributed to Berkeley by
      8       1.1   deraadt  * Ralph Campbell.
      9       1.1   deraadt  *
     10       1.1   deraadt  * Redistribution and use in source and binary forms, with or without
     11       1.1   deraadt  * modification, are permitted provided that the following conditions
     12       1.1   deraadt  * are met:
     13       1.1   deraadt  * 1. Redistributions of source code must retain the above copyright
     14       1.1   deraadt  *    notice, this list of conditions and the following disclaimer.
     15       1.1   deraadt  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1   deraadt  *    notice, this list of conditions and the following disclaimer in the
     17       1.1   deraadt  *    documentation and/or other materials provided with the distribution.
     18      1.35       agc  * 3. Neither the name of the University nor the names of its contributors
     19       1.1   deraadt  *    may be used to endorse or promote products derived from this software
     20       1.1   deraadt  *    without specific prior written permission.
     21       1.1   deraadt  *
     22       1.1   deraadt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23       1.1   deraadt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24       1.1   deraadt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25       1.1   deraadt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26       1.1   deraadt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27       1.1   deraadt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28       1.1   deraadt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29       1.1   deraadt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30       1.1   deraadt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31       1.1   deraadt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32       1.1   deraadt  * SUCH DAMAGE.
     33       1.1   deraadt  *
     34       1.4       cgd  *	@(#)machAsmDefs.h	8.1 (Berkeley) 6/10/93
     35       1.1   deraadt  */
     36       1.1   deraadt 
     37       1.1   deraadt /*
     38       1.1   deraadt  * machAsmDefs.h --
     39       1.1   deraadt  *
     40       1.1   deraadt  *	Macros used when writing assembler programs.
     41       1.1   deraadt  *
     42       1.1   deraadt  *	Copyright (C) 1989 Digital Equipment Corporation.
     43       1.1   deraadt  *	Permission to use, copy, modify, and distribute this software and
     44       1.1   deraadt  *	its documentation for any purpose and without fee is hereby granted,
     45       1.1   deraadt  *	provided that the above copyright notice appears in all copies.
     46       1.1   deraadt  *	Digital Equipment Corporation makes no representations about the
     47       1.1   deraadt  *	suitability of this software for any purpose.  It is provided "as is"
     48       1.1   deraadt  *	without express or implied warranty.
     49       1.1   deraadt  *
     50       1.1   deraadt  * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAsmDefs.h,
     51       1.2     glass  *	v 1.2 89/08/15 18:28:24 rab Exp  SPRITE (DECWRL)
     52       1.1   deraadt  */
     53       1.1   deraadt 
     54       1.8  jonathan #ifndef _MIPS_ASM_H
     55      1.41      matt #define	_MIPS_ASM_H
     56       1.1   deraadt 
     57      1.44      matt #include <sys/cdefs.h>		/* for API selection */
     58      1.21      soda #include <mips/regdef.h>
     59       1.1   deraadt 
     60  1.62.2.1   thorpej #if defined(_KERNEL_OPT)
     61  1.62.2.1   thorpej #include "opt_gprof.h"
     62  1.62.2.1   thorpej #endif
     63  1.62.2.1   thorpej 
     64      1.61     skrll #define	__BIT(n)	(1 << (n))
     65      1.61     skrll #define	__BITS(hi,lo)	((~((~0)<<((hi)+1)))&((~0)<<(lo)))
     66      1.61     skrll 
     67      1.61     skrll #define	__LOWEST_SET_BIT(__mask) ((((__mask) - 1) & (__mask)) ^ (__mask))
     68      1.61     skrll #define	__SHIFTOUT(__x, __mask) (((__x) & (__mask)) / __LOWEST_SET_BIT(__mask))
     69      1.61     skrll #define	__SHIFTIN(__x, __mask) ((__x) * __LOWEST_SET_BIT(__mask))
     70      1.61     skrll 
     71       1.1   deraadt /*
     72       1.1   deraadt  * Define -pg profile entry code.
     73  1.62.2.1   thorpej  * Must always be noreorder, must never use a macro instruction.
     74       1.1   deraadt  */
     75  1.62.2.1   thorpej #if defined(__mips_o32)		/* Old 32-bit ABI */
     76  1.62.2.1   thorpej /*
     77  1.62.2.1   thorpej  * The old ABI version must also decrement two less words off the
     78  1.62.2.1   thorpej  * stack and the final addiu to t9 must always equal the size of this
     79  1.62.2.1   thorpej  * _MIPS_ASM_MCOUNT.
     80  1.62.2.1   thorpej  */
     81  1.62.2.1   thorpej #define	_MIPS_ASM_MCOUNT					\
     82      1.23    castor 	.set	push;						\
     83      1.23    castor 	.set	noreorder;					\
     84      1.23    castor 	.set	noat;						\
     85  1.62.2.1   thorpej 	subu	sp,16;						\
     86      1.27     jeffs 	sw	t9,12(sp);					\
     87      1.23    castor 	move	AT,ra;						\
     88      1.23    castor 	lui	t9,%hi(_mcount); 				\
     89      1.23    castor 	addiu	t9,t9,%lo(_mcount);				\
     90      1.23    castor 	jalr	t9;						\
     91  1.62.2.1   thorpej 	 nop;							\
     92      1.23    castor 	lw	t9,4(sp);					\
     93  1.62.2.1   thorpej 	addiu	sp,8;						\
     94  1.62.2.1   thorpej 	addiu	t9,40;						\
     95  1.62.2.1   thorpej 	.set	pop;
     96  1.62.2.1   thorpej #elif defined(__mips_o64)	/* Old 64-bit ABI */
     97  1.62.2.1   thorpej # error yeahnah
     98  1.62.2.1   thorpej #else				/* New (n32/n64) ABI */
     99  1.62.2.1   thorpej /*
    100  1.62.2.1   thorpej  * The new ABI version just needs to put the return address in AT and
    101  1.62.2.1   thorpej  * call _mcount().  For the no abicalls case, skip the reloc dance.
    102  1.62.2.1   thorpej  */
    103  1.62.2.1   thorpej #ifdef __mips_abicalls
    104  1.62.2.1   thorpej #define	_MIPS_ASM_MCOUNT					\
    105  1.62.2.1   thorpej 	.set	push;						\
    106  1.62.2.1   thorpej 	.set	noreorder;					\
    107  1.62.2.1   thorpej 	.set	noat;						\
    108  1.62.2.1   thorpej 	subu	sp,16;						\
    109  1.62.2.1   thorpej 	sw	t9,8(sp);					\
    110  1.62.2.1   thorpej 	move	AT,ra;						\
    111  1.62.2.1   thorpej 	lui	t9,%hi(_mcount); 				\
    112  1.62.2.1   thorpej 	addiu	t9,t9,%lo(_mcount);				\
    113  1.62.2.1   thorpej 	jalr	t9;						\
    114  1.62.2.1   thorpej 	 nop;							\
    115  1.62.2.1   thorpej 	lw	t9,8(sp);					\
    116  1.62.2.1   thorpej 	addiu	sp,16;						\
    117  1.62.2.1   thorpej 	.set	pop;
    118  1.62.2.1   thorpej #else /* !__mips_abicalls */
    119  1.62.2.1   thorpej #define	_MIPS_ASM_MCOUNT					\
    120  1.62.2.1   thorpej 	.set	push;						\
    121  1.62.2.1   thorpej 	.set	noreorder;					\
    122  1.62.2.1   thorpej 	.set	noat;						\
    123  1.62.2.1   thorpej 	move	AT,ra;						\
    124  1.62.2.1   thorpej 	jal	_mcount;					\
    125  1.62.2.1   thorpej 	 nop;							\
    126      1.50     skrll 	.set	pop;
    127  1.62.2.1   thorpej #endif /* !__mips_abicalls */
    128  1.62.2.1   thorpej #endif /* n32/n64 */
    129      1.13  jonathan 
    130      1.11       jtc #ifdef GPROF
    131  1.62.2.1   thorpej #define	MCOUNT _MIPS_ASM_MCOUNT
    132       1.1   deraadt #else
    133       1.1   deraadt #define	MCOUNT
    134       1.2     glass #endif
    135       1.1   deraadt 
    136      1.15    castor #ifdef USE_AENT
    137      1.41      matt #define	AENT(x)				\
    138      1.15    castor 	.aent	x, 0
    139      1.15    castor #else
    140      1.41      matt #define	AENT(x)
    141      1.24    kleink #endif
    142      1.24    kleink 
    143      1.31    simonb /*
    144      1.31    simonb  * WEAK_ALIAS: create a weak alias.
    145      1.31    simonb  */
    146      1.24    kleink #define	WEAK_ALIAS(alias,sym)						\
    147      1.24    kleink 	.weak alias;							\
    148      1.24    kleink 	alias = sym
    149      1.37  christos /*
    150      1.37  christos  * STRONG_ALIAS: create a strong alias.
    151      1.37  christos  */
    152      1.41      matt #define	STRONG_ALIAS(alias,sym)						\
    153      1.37  christos 	.globl alias;							\
    154      1.37  christos 	alias = sym
    155      1.15    castor 
    156      1.14   thorpej /*
    157      1.33    simonb  * WARN_REFERENCES: create a warning if the specified symbol is referenced.
    158      1.14   thorpej  */
    159      1.43     joerg #define	WARN_REFERENCES(sym,msg)					\
    160      1.44      matt 	.pushsection __CONCAT(.gnu.warning.,sym);			\
    161      1.43     joerg 	.ascii msg;							\
    162      1.43     joerg 	.popsection
    163       1.6   mycroft 
    164       1.1   deraadt /*
    165      1.44      matt  * STATIC_LEAF_NOPROFILE
    166      1.44      matt  *	No profilable local leaf routine.
    167      1.15    castor  */
    168      1.44      matt #define	STATIC_LEAF_NOPROFILE(x)	\
    169      1.47     joerg 	.ent	_C_LABEL(x);		\
    170      1.15    castor _C_LABEL(x): ;				\
    171      1.44      matt 	.frame sp, 0, ra
    172       1.1   deraadt 
    173       1.1   deraadt /*
    174      1.15    castor  * LEAF_NOPROFILE
    175      1.15    castor  *	No profilable leaf routine.
    176       1.1   deraadt  */
    177      1.41      matt #define	LEAF_NOPROFILE(x)		\
    178      1.15    castor 	.globl	_C_LABEL(x);		\
    179      1.44      matt 	STATIC_LEAF_NOPROFILE(x)
    180      1.15    castor 
    181      1.15    castor /*
    182      1.34    simonb  * STATIC_LEAF
    183      1.34    simonb  *	Declare a local leaf function.
    184      1.34    simonb  */
    185      1.41      matt #define	STATIC_LEAF(x)			\
    186      1.44      matt 	STATIC_LEAF_NOPROFILE(x);	\
    187      1.34    simonb 	MCOUNT
    188      1.34    simonb 
    189      1.34    simonb /*
    190      1.44      matt  * LEAF
    191      1.44      matt  *	A leaf routine does
    192      1.44      matt  *	- call no other function,
    193      1.44      matt  *	- never use any register that callee-saved (S0-S8), and
    194      1.44      matt  *	- not use any local stack storage.
    195      1.15    castor  */
    196      1.44      matt #define	LEAF(x)				\
    197      1.44      matt 	LEAF_NOPROFILE(x);		\
    198      1.44      matt 	MCOUNT
    199      1.34    simonb 
    200      1.34    simonb /*
    201      1.34    simonb  * STATIC_XLEAF
    202      1.34    simonb  *	declare alternate entry to a static leaf routine
    203      1.34    simonb  */
    204      1.41      matt #define	STATIC_XLEAF(x)			\
    205      1.20      soda 	AENT (_C_LABEL(x));		\
    206      1.15    castor _C_LABEL(x):
    207      1.15    castor 
    208      1.15    castor /*
    209      1.44      matt  * XLEAF
    210      1.44      matt  *	declare alternate entry to leaf routine
    211      1.44      matt  */
    212      1.44      matt #define	XLEAF(x)			\
    213      1.44      matt 	.globl	_C_LABEL(x);		\
    214      1.44      matt 	STATIC_XLEAF(x)
    215      1.44      matt 
    216      1.44      matt /*
    217      1.44      matt  * STATIC_NESTED_NOPROFILE
    218      1.44      matt  *	No profilable local nested routine.
    219      1.44      matt  */
    220      1.44      matt #define	STATIC_NESTED_NOPROFILE(x, fsize, retpc)	\
    221      1.55       mrg 	.ent	_C_LABEL(x);				\
    222      1.55       mrg 	.type	_C_LABEL(x), @function;			\
    223      1.55       mrg _C_LABEL(x): ;						\
    224      1.44      matt 	.frame	sp, fsize, retpc
    225      1.44      matt 
    226      1.44      matt /*
    227      1.44      matt  * NESTED_NOPROFILE
    228      1.44      matt  *	No profilable nested routine.
    229      1.44      matt  */
    230      1.44      matt #define	NESTED_NOPROFILE(x, fsize, retpc)	\
    231      1.44      matt 	.globl	_C_LABEL(x);			\
    232      1.44      matt 	STATIC_NESTED_NOPROFILE(x, fsize, retpc)
    233      1.44      matt 
    234      1.44      matt /*
    235      1.15    castor  * NESTED
    236      1.15    castor  *	A function calls other functions and needs
    237      1.15    castor  *	therefore stack space to save/restore registers.
    238      1.15    castor  */
    239      1.44      matt #define	NESTED(x, fsize, retpc)			\
    240      1.44      matt 	NESTED_NOPROFILE(x, fsize, retpc);	\
    241      1.15    castor 	MCOUNT
    242       1.1   deraadt 
    243       1.1   deraadt /*
    244      1.44      matt  * STATIC_NESTED
    245      1.44      matt  *	No profilable local nested routine.
    246       1.1   deraadt  */
    247      1.44      matt #define	STATIC_NESTED(x, fsize, retpc)			\
    248      1.44      matt 	STATIC_NESTED_NOPROFILE(x, fsize, retpc);	\
    249      1.44      matt 	MCOUNT
    250      1.15    castor 
    251      1.15    castor /*
    252      1.15    castor  * XNESTED
    253      1.15    castor  *	declare alternate entry point to nested routine.
    254      1.15    castor  */
    255      1.41      matt #define	XNESTED(x)			\
    256      1.15    castor 	.globl	_C_LABEL(x);		\
    257      1.20      soda 	AENT (_C_LABEL(x));		\
    258       1.6   mycroft _C_LABEL(x):
    259       1.1   deraadt 
    260       1.1   deraadt /*
    261      1.15    castor  * END
    262      1.15    castor  *	Mark end of a procedure.
    263       1.1   deraadt  */
    264      1.44      matt #define	END(x)				\
    265      1.41      matt 	.end _C_LABEL(x);		\
    266      1.41      matt 	.size _C_LABEL(x), . - _C_LABEL(x)
    267       1.2     glass 
    268       1.2     glass /*
    269      1.15    castor  * IMPORT -- import external symbol
    270       1.2     glass  */
    271      1.41      matt #define	IMPORT(sym, size)		\
    272      1.20      soda 	.extern _C_LABEL(sym),size
    273       1.1   deraadt 
    274       1.1   deraadt /*
    275      1.15    castor  * EXPORT -- export definition of symbol
    276       1.1   deraadt  */
    277      1.41      matt #define	EXPORT(x)			\
    278      1.15    castor 	.globl	_C_LABEL(x);		\
    279      1.15    castor _C_LABEL(x):
    280       1.1   deraadt 
    281      1.15    castor /*
    282      1.62    simonb  * EXPORT_OBJECT -- export definition of symbol of symbol
    283      1.62    simonb  * type Object, visible to ksyms(4) address search.
    284      1.62    simonb  */
    285      1.62    simonb #define	EXPORT_OBJECT(x)		\
    286      1.62    simonb 	EXPORT(x);			\
    287      1.62    simonb 	.type	_C_LABEL(x), @object;
    288      1.62    simonb 
    289      1.62    simonb /*
    290      1.17  jonathan  * VECTOR
    291      1.17  jonathan  *	exception vector entrypoint
    292      1.20      soda  *	XXX: regmask should be used to generate .mask
    293      1.17  jonathan  */
    294      1.41      matt #define	VECTOR(x, regmask)		\
    295      1.47     joerg 	.ent	_C_LABEL(x);		\
    296      1.17  jonathan 	EXPORT(x);			\
    297      1.17  jonathan 
    298      1.41      matt #define	VECTOR_END(x)			\
    299      1.44      matt 	EXPORT(__CONCAT(x,_end));	\
    300      1.44      matt 	END(x);				\
    301      1.44      matt 	.org _C_LABEL(x) + 0x80
    302       1.1   deraadt 
    303       1.1   deraadt /*
    304      1.10  christos  * Macros to panic and printf from assembly language.
    305       1.1   deraadt  */
    306      1.41      matt #define	PANIC(msg)			\
    307      1.41      matt 	PTR_LA	a0, 9f;			\
    308      1.15    castor 	jal	_C_LABEL(panic);	\
    309      1.26       cgd 	nop;				\
    310       1.1   deraadt 	MSG(msg)
    311       1.1   deraadt 
    312      1.15    castor #define	PRINTF(msg)			\
    313      1.41      matt 	PTR_LA	a0, 9f;			\
    314      1.15    castor 	jal	_C_LABEL(printf);	\
    315      1.26       cgd 	nop;				\
    316       1.1   deraadt 	MSG(msg)
    317       1.1   deraadt 
    318      1.15    castor #define	MSG(msg)			\
    319      1.15    castor 	.rdata;				\
    320      1.48     joerg 9:	.asciz	msg;			\
    321       1.1   deraadt 	.text
    322       1.1   deraadt 
    323      1.41      matt #define	ASMSTR(str)			\
    324      1.48     joerg 	.asciz str;			\
    325      1.12  jonathan 	.align	3
    326      1.15    castor 
    327      1.57    simonb #define	RCSID(x)	.pushsection ".ident","MS",@progbits,1;		\
    328      1.56     joerg 			.asciz x;					\
    329      1.56     joerg 			.popsection
    330      1.41      matt 
    331      1.15    castor /*
    332      1.15    castor  * XXX retain dialects XXX
    333      1.15    castor  */
    334      1.41      matt #define	ALEAF(x)			XLEAF(x)
    335      1.41      matt #define	NLEAF(x)			LEAF_NOPROFILE(x)
    336      1.41      matt #define	NON_LEAF(x, fsize, retpc)	NESTED(x, fsize, retpc)
    337      1.41      matt #define	NNON_LEAF(x, fsize, retpc)	NESTED_NOPROFILE(x, fsize, retpc)
    338      1.41      matt 
    339      1.41      matt #if defined(__mips_o32)
    340      1.41      matt #define	SZREG	4
    341      1.41      matt #else
    342      1.41      matt #define	SZREG	8
    343      1.41      matt #endif
    344      1.41      matt 
    345      1.41      matt #if defined(__mips_o32) || defined(__mips_o64)
    346      1.41      matt #define	ALSK	7		/* stack alignment */
    347      1.41      matt #define	ALMASK	-7		/* stack alignment */
    348      1.41      matt #define	SZFPREG	4
    349      1.41      matt #define	FP_L	lwc1
    350      1.41      matt #define	FP_S	swc1
    351      1.41      matt #else
    352      1.41      matt #define	ALSK	15		/* stack alignment */
    353      1.41      matt #define	ALMASK	-15		/* stack alignment */
    354      1.41      matt #define	SZFPREG	8
    355      1.41      matt #define	FP_L	ldc1
    356      1.41      matt #define	FP_S	sdc1
    357      1.41      matt #endif
    358      1.15    castor 
    359      1.22    simonb /*
    360      1.16    castor  *  standard callframe {
    361      1.44      matt  *  	register_t cf_args[4];		arg0 - arg3 (only on o32 and o64)
    362      1.41      matt  *	register_t cf_pad[N];		o32/64 (N=0), n32 (N=1) n64 (N=1)
    363      1.41      matt  *  	register_t cf_gp;		global pointer (only on n32 and n64)
    364      1.16    castor  *  	register_t cf_sp;		frame pointer
    365      1.16    castor  *  	register_t cf_ra;		return address
    366      1.16    castor  *  };
    367      1.16    castor  */
    368      1.41      matt #if defined(__mips_o32) || defined(__mips_o64)
    369      1.41      matt #define	CALLFRAME_SIZ	(SZREG * (4 + 2))
    370      1.41      matt #define	CALLFRAME_S0	0
    371      1.41      matt #elif defined(__mips_n32) || defined(__mips_n64)
    372      1.41      matt #define	CALLFRAME_SIZ	(SZREG * 4)
    373      1.41      matt #define	CALLFRAME_S0	(CALLFRAME_SIZ - 4 * SZREG)
    374      1.41      matt #endif
    375      1.41      matt #ifndef _KERNEL
    376      1.41      matt #define	CALLFRAME_GP	(CALLFRAME_SIZ - 3 * SZREG)
    377      1.41      matt #endif
    378      1.41      matt #define	CALLFRAME_SP	(CALLFRAME_SIZ - 2 * SZREG)
    379      1.41      matt #define	CALLFRAME_RA	(CALLFRAME_SIZ - 1 * SZREG)
    380      1.16    castor 
    381      1.15    castor /*
    382      1.22    simonb  * While it would be nice to be compatible with the SGI
    383      1.15    castor  * REG_L and REG_S macros, because they do not take parameters, it
    384      1.15    castor  * is impossible to use them with the _MIPS_SIM_ABIX32 model.
    385      1.15    castor  *
    386      1.22    simonb  * These macros hide the use of mips3 instructions from the
    387      1.15    castor  * assembler to prevent the assembler from generating 64-bit style
    388      1.15    castor  * ABI calls.
    389      1.15    castor  */
    390      1.49      matt #ifdef __mips_o32
    391      1.41      matt #define	PTR_ADD		add
    392      1.41      matt #define	PTR_ADDI	addi
    393      1.41      matt #define	PTR_ADDU	addu
    394      1.41      matt #define	PTR_ADDIU	addiu
    395      1.45      matt #define	PTR_SUB		subu
    396      1.41      matt #define	PTR_SUBI	subi
    397      1.41      matt #define	PTR_SUBU	subu
    398      1.41      matt #define	PTR_SUBIU	subu
    399      1.41      matt #define	PTR_L		lw
    400      1.41      matt #define	PTR_LA		la
    401      1.41      matt #define	PTR_S		sw
    402      1.41      matt #define	PTR_SLL		sll
    403      1.41      matt #define	PTR_SLLV	sllv
    404      1.41      matt #define	PTR_SRL		srl
    405      1.41      matt #define	PTR_SRLV	srlv
    406      1.41      matt #define	PTR_SRA		sra
    407      1.41      matt #define	PTR_SRAV	srav
    408      1.41      matt #define	PTR_LL		ll
    409      1.41      matt #define	PTR_SC		sc
    410      1.41      matt #define	PTR_WORD	.word
    411      1.41      matt #define	PTR_SCALESHIFT	2
    412      1.41      matt #else /* _MIPS_SZPTR == 64 */
    413      1.41      matt #define	PTR_ADD		dadd
    414      1.41      matt #define	PTR_ADDI	daddi
    415      1.41      matt #define	PTR_ADDU	daddu
    416      1.41      matt #define	PTR_ADDIU	daddiu
    417      1.45      matt #define	PTR_SUB		dsubu
    418      1.41      matt #define	PTR_SUBI	dsubi
    419      1.41      matt #define	PTR_SUBU	dsubu
    420      1.41      matt #define	PTR_SUBIU	dsubu
    421      1.49      matt #ifdef __mips_n32
    422      1.49      matt #define	PTR_L		lw
    423      1.49      matt #define	PTR_LL		ll
    424      1.49      matt #define	PTR_SC		sc
    425      1.49      matt #define	PTR_S		sw
    426      1.49      matt #define	PTR_SCALESHIFT	2
    427      1.49      matt #define	PTR_WORD	.word
    428      1.49      matt #else
    429      1.41      matt #define	PTR_L		ld
    430      1.49      matt #define	PTR_LL		lld
    431      1.49      matt #define	PTR_SC		scd
    432      1.49      matt #define	PTR_S		sd
    433      1.49      matt #define	PTR_SCALESHIFT	3
    434      1.49      matt #define	PTR_WORD	.dword
    435      1.49      matt #endif
    436      1.41      matt #define	PTR_LA		dla
    437      1.41      matt #define	PTR_SLL		dsll
    438      1.41      matt #define	PTR_SLLV	dsllv
    439      1.41      matt #define	PTR_SRL		dsrl
    440      1.41      matt #define	PTR_SRLV	dsrlv
    441      1.41      matt #define	PTR_SRA		dsra
    442      1.41      matt #define	PTR_SRAV	dsrav
    443      1.41      matt #endif /* _MIPS_SZPTR == 64 */
    444      1.41      matt 
    445      1.41      matt #if _MIPS_SZINT == 32
    446      1.41      matt #define	INT_ADD		add
    447      1.41      matt #define	INT_ADDI	addi
    448      1.41      matt #define	INT_ADDU	addu
    449      1.41      matt #define	INT_ADDIU	addiu
    450      1.45      matt #define	INT_SUB		subu
    451      1.41      matt #define	INT_SUBI	subi
    452      1.41      matt #define	INT_SUBU	subu
    453      1.41      matt #define	INT_SUBIU	subu
    454      1.41      matt #define	INT_L		lw
    455      1.41      matt #define	INT_LA		la
    456      1.41      matt #define	INT_S		sw
    457      1.41      matt #define	INT_SLL		sll
    458      1.41      matt #define	INT_SLLV	sllv
    459      1.41      matt #define	INT_SRL		srl
    460      1.41      matt #define	INT_SRLV	srlv
    461      1.41      matt #define	INT_SRA		sra
    462      1.41      matt #define	INT_SRAV	srav
    463      1.41      matt #define	INT_LL		ll
    464      1.41      matt #define	INT_SC		sc
    465      1.41      matt #define	INT_WORD	.word
    466      1.41      matt #define	INT_SCALESHIFT	2
    467      1.41      matt #else
    468      1.41      matt #define	INT_ADD		dadd
    469      1.41      matt #define	INT_ADDI	daddi
    470      1.41      matt #define	INT_ADDU	daddu
    471      1.41      matt #define	INT_ADDIU	daddiu
    472      1.45      matt #define	INT_SUB		dsubu
    473      1.41      matt #define	INT_SUBI	dsubi
    474      1.41      matt #define	INT_SUBU	dsubu
    475      1.41      matt #define	INT_SUBIU	dsubu
    476      1.41      matt #define	INT_L		ld
    477      1.41      matt #define	INT_LA		dla
    478      1.41      matt #define	INT_S		sd
    479      1.41      matt #define	INT_SLL		dsll
    480      1.41      matt #define	INT_SLLV	dsllv
    481      1.41      matt #define	INT_SRL		dsrl
    482      1.41      matt #define	INT_SRLV	dsrlv
    483      1.41      matt #define	INT_SRA		dsra
    484      1.41      matt #define	INT_SRAV	dsrav
    485      1.41      matt #define	INT_LL		lld
    486      1.41      matt #define	INT_SC		scd
    487      1.41      matt #define	INT_WORD	.dword
    488      1.41      matt #define	INT_SCALESHIFT	3
    489      1.41      matt #endif
    490      1.15    castor 
    491      1.41      matt #if _MIPS_SZLONG == 32
    492      1.41      matt #define	LONG_ADD	add
    493      1.41      matt #define	LONG_ADDI	addi
    494      1.41      matt #define	LONG_ADDU	addu
    495      1.41      matt #define	LONG_ADDIU	addiu
    496      1.45      matt #define	LONG_SUB	subu
    497      1.41      matt #define	LONG_SUBI	subi
    498      1.41      matt #define	LONG_SUBU	subu
    499      1.41      matt #define	LONG_SUBIU	subu
    500      1.41      matt #define	LONG_L		lw
    501      1.41      matt #define	LONG_LA		la
    502      1.41      matt #define	LONG_S		sw
    503      1.41      matt #define	LONG_SLL	sll
    504      1.41      matt #define	LONG_SLLV	sllv
    505      1.41      matt #define	LONG_SRL	srl
    506      1.41      matt #define	LONG_SRLV	srlv
    507      1.41      matt #define	LONG_SRA	sra
    508      1.41      matt #define	LONG_SRAV	srav
    509      1.41      matt #define	LONG_LL		ll
    510      1.41      matt #define	LONG_SC		sc
    511      1.41      matt #define	LONG_WORD	.word
    512      1.41      matt #define	LONG_SCALESHIFT	2
    513      1.41      matt #else
    514      1.41      matt #define	LONG_ADD	dadd
    515      1.41      matt #define	LONG_ADDI	daddi
    516      1.41      matt #define	LONG_ADDU	daddu
    517      1.41      matt #define	LONG_ADDIU	daddiu
    518      1.45      matt #define	LONG_SUB	dsubu
    519      1.41      matt #define	LONG_SUBI	dsubi
    520      1.41      matt #define	LONG_SUBU	dsubu
    521      1.41      matt #define	LONG_SUBIU	dsubu
    522      1.41      matt #define	LONG_L		ld
    523      1.41      matt #define	LONG_LA		dla
    524      1.41      matt #define	LONG_S		sd
    525      1.41      matt #define	LONG_SLL	dsll
    526      1.41      matt #define	LONG_SLLV	dsllv
    527      1.41      matt #define	LONG_SRL	dsrl
    528      1.41      matt #define	LONG_SRLV	dsrlv
    529      1.41      matt #define	LONG_SRA	dsra
    530      1.41      matt #define	LONG_SRAV	dsrav
    531      1.41      matt #define	LONG_LL		lld
    532      1.41      matt #define	LONG_SC		scd
    533      1.41      matt #define	LONG_WORD	.dword
    534      1.41      matt #define	LONG_SCALESHIFT	3
    535      1.41      matt #endif
    536      1.41      matt 
    537      1.41      matt #if SZREG == 4
    538      1.41      matt #define	REG_L		lw
    539      1.41      matt #define	REG_S		sw
    540      1.41      matt #define	REG_LI		li
    541      1.41      matt #define	REG_ADDU	addu
    542      1.41      matt #define	REG_SLL		sll
    543      1.41      matt #define	REG_SLLV	sllv
    544      1.41      matt #define	REG_SRL		srl
    545      1.41      matt #define	REG_SRLV	srlv
    546      1.41      matt #define	REG_SRA		sra
    547      1.41      matt #define	REG_SRAV	srav
    548      1.41      matt #define	REG_LL		ll
    549      1.41      matt #define	REG_SC		sc
    550      1.41      matt #define	REG_SCALESHIFT	2
    551      1.41      matt #else
    552      1.41      matt #define	REG_L		ld
    553      1.41      matt #define	REG_S		sd
    554      1.41      matt #define	REG_LI		dli
    555      1.41      matt #define	REG_ADDU	daddu
    556      1.41      matt #define	REG_SLL		dsll
    557      1.41      matt #define	REG_SLLV	dsllv
    558      1.41      matt #define	REG_SRL		dsrl
    559      1.41      matt #define	REG_SRLV	dsrlv
    560      1.41      matt #define	REG_SRA		dsra
    561      1.41      matt #define	REG_SRAV	dsrav
    562      1.41      matt #define	REG_LL		lld
    563      1.41      matt #define	REG_SC		scd
    564      1.41      matt #define	REG_SCALESHIFT	3
    565      1.41      matt #endif
    566      1.41      matt 
    567      1.51     skrll #if (MIPS1 + MIPS2) > 0
    568      1.51     skrll #define	NOP_L		nop
    569      1.51     skrll #else
    570      1.51     skrll #define	NOP_L		/* nothing */
    571      1.51     skrll #endif
    572      1.51     skrll 
    573      1.59     skrll /* compiler define */
    574      1.59     skrll #if defined(__OCTEON__)
    575      1.58     skrll 				/* early cnMIPS have erratum which means 2 */
    576      1.58     skrll #define	LLSCSYNC	sync 4; sync 4
    577      1.58     skrll #define	SYNC		sync 4		/* sync 4 == syncw - sync all writes */
    578      1.58     skrll #define	BDSYNC		sync 4		/* sync 4 == syncw - sync all writes */
    579      1.60     skrll #elif __mips >= 3 || !defined(__mips_o32)
    580      1.59     skrll #define	LLSCSYNC	sync
    581      1.58     skrll #define	SYNC		sync
    582      1.58     skrll #define	BDSYNC		sync
    583      1.60     skrll #else
    584      1.60     skrll #define	LLSCSYNC	/* nothing */
    585      1.60     skrll #define	SYNC		/* nothing */
    586      1.60     skrll #define	BDSYNC		nop
    587      1.58     skrll #endif
    588      1.58     skrll 
    589      1.52      maya /* CPU dependent hook for cp0 load delays */
    590      1.52      maya #if defined(MIPS1) || defined(MIPS2) || defined(MIPS3)
    591      1.57    simonb #define	MFC0_HAZARD	sll $0,$0,1	/* super scalar nop */
    592      1.52      maya #else
    593      1.57    simonb #define	MFC0_HAZARD	/* nothing */
    594      1.52      maya #endif
    595      1.52      maya 
    596      1.41      matt #if _MIPS_ISA == _MIPS_ISA_MIPS1 || _MIPS_ISA == _MIPS_ISA_MIPS2 || \
    597      1.41      matt     _MIPS_ISA == _MIPS_ISA_MIPS32
    598      1.41      matt #define	MFC0		mfc0
    599      1.41      matt #define	MTC0		mtc0
    600      1.41      matt #endif
    601      1.41      matt #if _MIPS_ISA == _MIPS_ISA_MIPS3 || _MIPS_ISA == _MIPS_ISA_MIPS4 || \
    602      1.41      matt     _MIPS_ISA == _MIPS_ISA_MIPS64
    603      1.41      matt #define	MFC0		dmfc0
    604      1.41      matt #define	MTC0		dmtc0
    605      1.41      matt #endif
    606      1.41      matt 
    607      1.41      matt #if defined(__mips_o32) || defined(__mips_o64)
    608      1.41      matt 
    609      1.54     joerg #ifdef __mips_abicalls
    610      1.41      matt #define	CPRESTORE(r)	.cprestore r
    611      1.41      matt #define	CPLOAD(r)	.cpload r
    612      1.41      matt #else
    613      1.41      matt #define	CPRESTORE(r)	/* not needed */
    614      1.41      matt #define	CPLOAD(r)	/* not needed */
    615      1.41      matt #endif
    616      1.41      matt 
    617      1.41      matt #define	SETUP_GP	\
    618      1.41      matt 			.set push;				\
    619      1.41      matt 			.set noreorder;				\
    620      1.41      matt 			.cpload	t9;				\
    621      1.41      matt 			.set pop
    622      1.41      matt #define	SETUP_GPX(r)	\
    623      1.41      matt 			.set push;				\
    624      1.41      matt 			.set noreorder;				\
    625      1.41      matt 			move	r,ra;	/* save old ra */	\
    626      1.41      matt 			bal	7f;				\
    627      1.41      matt 			nop;					\
    628      1.41      matt 		7:	.cpload	ra;				\
    629      1.41      matt 			move	ra,r;				\
    630      1.41      matt 			.set pop
    631      1.41      matt #define	SETUP_GPX_L(r,lbl)	\
    632      1.41      matt 			.set push;				\
    633      1.41      matt 			.set noreorder;				\
    634      1.41      matt 			move	r,ra;	/* save old ra */	\
    635      1.41      matt 			bal	lbl;				\
    636      1.41      matt 			nop;					\
    637      1.41      matt 		lbl:	.cpload	ra;				\
    638      1.41      matt 			move	ra,r;				\
    639      1.41      matt 			.set pop
    640      1.41      matt #define	SAVE_GP(x)	.cprestore x
    641      1.41      matt 
    642      1.41      matt #define	SETUP_GP64(a,b)		/* n32/n64 specific */
    643      1.41      matt #define	SETUP_GP64_R(a,b)	/* n32/n64 specific */
    644      1.41      matt #define	SETUP_GPX64(a,b)	/* n32/n64 specific */
    645      1.41      matt #define	SETUP_GPX64_L(a,b,c)	/* n32/n64 specific */
    646      1.41      matt #define	RESTORE_GP64		/* n32/n64 specific */
    647      1.41      matt #define	USE_ALT_CP(a)		/* n32/n64 specific */
    648      1.41      matt #endif /* __mips_o32 || __mips_o64 */
    649      1.41      matt 
    650      1.41      matt #if defined(__mips_o32) || defined(__mips_o64)
    651      1.22    simonb #define	REG_PROLOGUE	.set push
    652      1.16    castor #define	REG_EPILOGUE	.set pop
    653      1.41      matt #endif
    654      1.41      matt #if defined(__mips_n32) || defined(__mips_n64)
    655      1.15    castor #define	REG_PROLOGUE	.set push ; .set mips3
    656      1.15    castor #define	REG_EPILOGUE	.set pop
    657      1.41      matt #endif
    658      1.41      matt 
    659      1.41      matt #if defined(__mips_n32) || defined(__mips_n64)
    660      1.41      matt #define	SETUP_GP		/* o32 specific */
    661      1.41      matt #define	SETUP_GPX(r)		/* o32 specific */
    662      1.41      matt #define	SETUP_GPX_L(r,lbl)	/* o32 specific */
    663      1.41      matt #define	SAVE_GP(x)		/* o32 specific */
    664  1.62.2.1   thorpej #define	SETUP_GP64(a,b)		.cpsetup t9, a, b
    665      1.41      matt #define	SETUP_GPX64(a,b)	\
    666      1.41      matt 				.set push;			\
    667      1.41      matt 				move	b,ra;			\
    668      1.41      matt 				.set noreorder;			\
    669      1.41      matt 				bal	7f;			\
    670      1.41      matt 				nop;				\
    671      1.41      matt 			7:	.set pop;			\
    672      1.41      matt 				.cpsetup ra, a, 7b;		\
    673      1.41      matt 				move	ra,b
    674      1.41      matt #define	SETUP_GPX64_L(a,b,c)	\
    675      1.41      matt 				.set push;			\
    676      1.41      matt 				move	b,ra;			\
    677      1.41      matt 				.set noreorder;			\
    678      1.41      matt 				bal	c;			\
    679      1.41      matt 				nop;				\
    680      1.41      matt 			c:	.set pop;			\
    681      1.41      matt 				.cpsetup ra, a, c;		\
    682      1.41      matt 				move	ra,b
    683      1.41      matt #define	RESTORE_GP64		.cpreturn
    684      1.41      matt #define	USE_ALT_CP(a)		.cplocal a
    685      1.41      matt #endif	/* __mips_n32 || __mips_n64 */
    686      1.25     jeffs 
    687      1.25     jeffs /*
    688      1.25     jeffs  * The DYNAMIC_STATUS_MASK option adds an additional masking operation
    689      1.25     jeffs  * when updating the hardware interrupt mask in the status register.
    690      1.25     jeffs  *
    691      1.25     jeffs  * This is useful for platforms that need to at run-time mask
    692      1.25     jeffs  * interrupts based on motherboard configuration or to handle
    693      1.25     jeffs  * slowly clearing interrupts.
    694      1.25     jeffs  *
    695      1.25     jeffs  * XXX this is only currently implemented for mips3.
    696      1.25     jeffs  */
    697      1.25     jeffs #ifdef MIPS_DYNAMIC_STATUS_MASK
    698      1.41      matt #define	DYNAMIC_STATUS_MASK(sr,scratch)	\
    699      1.25     jeffs 	lw	scratch, mips_dynamic_status_mask; \
    700      1.25     jeffs 	and	sr, sr, scratch
    701      1.29     jeffs 
    702      1.41      matt #define	DYNAMIC_STATUS_MASK_TOUSER(sr,scratch1)		\
    703      1.29     jeffs 	ori	sr, (MIPS_INT_MASK | MIPS_SR_INT_IE);	\
    704      1.29     jeffs 	DYNAMIC_STATUS_MASK(sr,scratch1)
    705      1.25     jeffs #else
    706      1.41      matt #define	DYNAMIC_STATUS_MASK(sr,scratch)
    707      1.41      matt #define	DYNAMIC_STATUS_MASK_TOUSER(sr,scratch1)
    708      1.25     jeffs #endif
    709       1.1   deraadt 
    710      1.38        ad /* See lock_stubs.S. */
    711      1.44      matt #define	LOG2_MIPS_LOCK_RAS_SIZE	8
    712      1.44      matt #define	MIPS_LOCK_RAS_SIZE	256	/* 16 bytes left over */
    713      1.38        ad 
    714      1.41      matt #define	CPUVAR(off) _C_LABEL(cpu_info_store)+__CONCAT(CPU_INFO_,off)
    715      1.39      yamt 
    716       1.8  jonathan #endif /* _MIPS_ASM_H */
    717