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/* $OpenBSD: asm.h,v 1.6 1999/01/16 07:58:32 mickey Exp $ */
/*
* Copyright (c) 1990,1991,1994 The University of Utah and
* the Computer Systems Laboratory (CSL). All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Utah $Hdr: asm.h 1.8 94/12/14$
*/
#ifndef _MACHINE_ASM_H_
#define _MACHINE_ASM_H_
/*
* hppa assembler definitions
*/
/*
* Hardware General Registers
*/
r0 .reg %r0
r1 .reg %r1
r2 .reg %r2
r3 .reg %r3
r4 .reg %r4
r5 .reg %r5
r6 .reg %r6
r7 .reg %r7
r8 .reg %r8
r9 .reg %r9
r10 .reg %r10
r11 .reg %r11
r12 .reg %r12
r13 .reg %r13
r14 .reg %r14
r15 .reg %r15
r16 .reg %r16
r17 .reg %r17
r18 .reg %r18
r19 .reg %r19
r20 .reg %r20
r21 .reg %r21
r22 .reg %r22
r23 .reg %r23
r24 .reg %r24
r25 .reg %r25
r26 .reg %r26
r27 .reg %r27
r28 .reg %r28
r29 .reg %r29
r30 .reg %r30
r31 .reg %r31
/*
* Hardware Space Registers
*/
sr0 .reg %sr0
sr1 .reg %sr1
sr2 .reg %sr2
sr3 .reg %sr3
sr4 .reg %sr4
sr5 .reg %sr5
sr6 .reg %sr6
sr7 .reg %sr7
/*
* Hardware Floating Point Registers
*/
fr0 .reg %fr0
fr1 .reg %fr1
fr2 .reg %fr2
fr3 .reg %fr3
fr4 .reg %fr4
fr5 .reg %fr5
fr6 .reg %fr6
fr7 .reg %fr7
fr8 .reg %fr8
fr9 .reg %fr9
fr10 .reg %fr10
fr11 .reg %fr11
fr12 .reg %fr12
fr13 .reg %fr13
fr14 .reg %fr14
fr15 .reg %fr15
fr16 .reg %fr16
fr17 .reg %fr17
fr18 .reg %fr18
fr19 .reg %fr19
fr20 .reg %fr20
fr21 .reg %fr21
fr22 .reg %fr22
fr23 .reg %fr23
fr24 .reg %fr24
fr25 .reg %fr25
fr26 .reg %fr26
fr27 .reg %fr27
fr28 .reg %fr28
fr29 .reg %fr29
fr30 .reg %fr30
fr31 .reg %fr31
/*
* Hardware Control Registers
*/
cr0 .reg %cr0
cr8 .reg %cr8
cr9 .reg %cr9
cr10 .reg %cr10
cr11 .reg %cr11
cr12 .reg %cr12
cr13 .reg %cr13
cr14 .reg %cr14
cr15 .reg %cr15
cr16 .reg %cr16
cr17 .reg %cr17
cr18 .reg %cr18
cr19 .reg %cr19
cr20 .reg %cr20
cr21 .reg %cr21
cr22 .reg %cr22
cr23 .reg %cr23
cr24 .reg %cr24
cr25 .reg %cr25
cr26 .reg %cr26
cr27 .reg %cr27
cr28 .reg %cr28
cr29 .reg %cr29
cr30 .reg %cr30
cr31 .reg %cr31
rctr .reg %cr0
pidr1 .reg %cr8
pidr2 .reg %cr9
ccr .reg %cr10
sar .reg %cr11
pidr3 .reg %cr12
pidr4 .reg %cr13
iva .reg %cr14
eiem .reg %cr15
itmr .reg %cr16
pcsq .reg %cr17
pcoq .reg %cr18
iir .reg %cr19
isr .reg %cr20
ior .reg %cr21
ipsw .reg %cr22
eirr .reg %cr23
hptmask .reg %cr24
tr0 .reg %cr24
vtop .reg %cr25
tr1 .reg %cr25
tr2 .reg %cr26
tr3 .reg %cr27
tr4 .reg %cr28
tr5 .reg %cr29
tr6 .reg %cr30
tr7 .reg %cr31
/*
* CPU-secific additional control registers
*/
#define dtlb_reg 8
#define dtlb_size_even 26
#define dtlb_size_odd 27
#define itlb_reg 9
#define itlb_size_even 24
#define itlb_size_odd 25
/*
* Calling Convention
*/
rp .reg %r2
arg3 .reg %r23
arg2 .reg %r24
arg1 .reg %r25
arg0 .reg %r26
dp .reg %r27
ret0 .reg %r28
ret1 .reg %r29
sl .reg %r29
sp .reg %r30
/*
* Temporary registers
*/
t1 .reg %r22
t2 .reg %r21
t3 .reg %r20
t4 .reg %r19
/*
* Temporary space registers
*/
ts1 .reg %sr2
/*
* Space Registers - SW Conventions
*/
sret .reg %sr1 ; return value
sarg .reg %sr1 ; argument
/*
* Floating Point Registers - SW Conventions
*/
farg0 .reg %fr5
farg1 .reg %fr6
farg2 .reg %fr7
farg3 .reg %fr8
fret .reg %fr4
/*
* Temporary floating point registers
*/
tf1 .reg %fr11
tf2 .reg %fr10
tf3 .reg %fr9
tf4 .reg %fr8
/*
* Frame offsets to procedure status save and return areas
*/
#define FM_PSP -4
#define FM_EP -8
#define FM_CLUP -12
#define FM_SL -16
#define FM_CRP -20
#define FM_ERP -24
#define FM_ESR4 -28
#define FM_EDP -32
#define FM_SIZE 32
/*
* frame must be rounded to double word
*/
#define FR_ROUND 8
#define NARGS 12
#define ARG_SIZE (NARGS*4)
/*
* Offsets from sp/previous_sp for access to procedure arguments
* A maximum of four args may be passed in registers.
*/
#define VA_ARG0 -FM_SIZE-4
#define VA_ARG1 -FM_SIZE-8
#define VA_ARG2 -FM_SIZE-12
#define VA_ARG3 -FM_SIZE-16
#define VA_ARG4 -FM_SIZE-20
#define VA_ARG5 -FM_SIZE-24
#define VA_ARG6 -FM_SIZE-28
#define VA_ARG7 -FM_SIZE-32
#define VA_ARG8 -FM_SIZE-36
#define VA_ARG9 -FM_SIZE-40
#define VA_ARG10 -FM_SIZE-44
#define VA_ARG11 -FM_SIZE-48
#define VA_ARG12 -FM_SIZE-52
#define VA_ARG13 -FM_SIZE-56
#ifdef __STDC__
#define __CONCAT(a,b) a ## b
#else
#define __CONCAT(a,b) a/**/b
#endif
/*
* Standard space and subspace definitions.
*/
.SPACE $TEXT$,0
/* .subspa $FIRST$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=4 */
.subspa $MILLICODE$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=8
.subspa $LIT$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=16
.subspa $CODE$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=24,CODE_ONLY
/* .subspa $UNWIND$MILLICODE$,QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=64
.subspa $UNWIND$, QUAD=0,ALIGN=8,ACCESS=0x2c,SORT=72
.subspa $RECOVER$, QUAD=0,ALIGN=4,ACCESS=0x2c,SORT=80
*/
/*
* additional code subspaces should have ALIGN=8 for an interspace BV
*/
.SPACE $PRIVATE$,1
/* .subspa $GLOBAL$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=8 */
/* .subspa $SHORTDATA$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=16 */
.subspa $DATA$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=24
.import $global$
/* .subspa $PFA_COUNTER$, QUAD=1,ALIGN=4,ACCESS=0x1f,SORT=72 */
.subspa $BSS$, QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=80,ZERO
#ifdef PROF
#define _PROF_PROLOGUE !\
stw rp, FM_CRP(sr0,sp) !\
ldil L%_mcount,r1 !\
ble R%_mcount(sr0,r1) !\
ldo FM_SIZE(sp),sp !\
ldw FM_CRP(sr0,sp),rp
#else
#define _PROF_PROLOGUE
#endif
#define ENTRY(x) !\
.space $text$ !\
.subspa $code$ !\
.export x,entry !\
.label x !\
.proc !\
.callinfo calls !\
.entry !\
_PROF_PROLOGUE
#define ALTENTRY(x) !\
.export x,entry !\
.label x
#define EXIT(x) !\
bv,n r0(rp) !\
nop !\
.exit !\
.procend
#endif /* _MACHINE_ASM_H_ */
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