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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2001,2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This file is through cpp before being used as
* an inline. It contains support routines used
* only by DR for the copy-rename sequence.
*/
#if defined(lint)
#include <sys/types.h>
#endif /* lint */
#ifndef INLINE
#include <sys/asm_linkage.h>
#else /* INLINE */
#define ENTRY_NP(x) .inline x,0
#define retl /* nop */
#define SET_SIZE(x) .end
#endif /* INLINE */
#include <sys/privregs.h>
#include <sys/sun4asi.h>
#include <sys/machparam.h>
/*
* Bcopy routine used by DR to copy
* between physical addresses.
* Borrowed from Starfire DR 2.6.
*/
#if defined(lint)
/*ARGSUSED*/
void
bcopy32_il(uint64_t paddr1, uint64_t paddr2)
{}
#else /* lint */
ENTRY_NP(bcopy32_il)
.register %g2, #scratch
.register %g3, #scratch
rdpr %pstate, %o4
andn %o4, PSTATE_IE | PSTATE_AM, %g3 ! clear IE, AM bits
wrpr %g0, %g3, %pstate
ldxa [%o0]ASI_MEM, %o2
add %o0, 8, %o0
ldxa [%o0]ASI_MEM, %o3
add %o0, 8, %o0
ldxa [%o0]ASI_MEM, %g1
add %o0, 8, %o0
ldxa [%o0]ASI_MEM, %g2
stxa %o2, [%o1]ASI_MEM
add %o1, 8, %o1
stxa %o3, [%o1]ASI_MEM
add %o1, 8, %o1
stxa %g1, [%o1]ASI_MEM
add %o1, 8, %o1
stxa %g2, [%o1]ASI_MEM
retl
wrpr %g0, %o4, %pstate ! restore earlier pstate register value
SET_SIZE(bcopy32_il)
#endif /* lint */
#if defined(lint)
/*ARGSUSED*/
void
flush_ecache_il(uint64_t physaddr, uint_t size, uint_t linesize)
{}
#else /* lint */
ENTRY_NP(flush_ecache_il)
srl %o1, 0, %o1 ! clear upper 32 bits
srl %o2, 0, %o2 ! clear upper 32 bits
rdpr %pstate, %o3
andn %o3, PSTATE_IE | PSTATE_AM, %o4
wrpr %g0, %o4, %pstate ! clear AM to access 64 bit physaddr
b 2f
nop
1:
ldxa [%o0 + %o1]ASI_MEM, %g0 ! start reading from physaddr + size
2:
subcc %o1, %o2, %o1
bgeu,a 1b
nop
! retl
wrpr %g0, %o3, %pstate ! restore earlier pstate
SET_SIZE(flush_ecache_il)
#endif /* lint */
#if defined(lint)
/*ARGUSED*/
void
stphysio_il(uint64_t physaddr, u_int value)
{}
/*ARGSUSED*/
u_int
ldphysio_il(uint64_t physaddr)
{ return(0); }
#else /* lint */
ENTRY_NP(stphysio_il)
rdpr %pstate, %o2 /* read PSTATE reg */
andn %o2, PSTATE_IE | PSTATE_AM, %o3
wrpr %g0, %o3, %pstate
stwa %o1, [%o0]ASI_IO /* store value via bypass ASI */
retl
wrpr %g0, %o2, %pstate /* restore the PSTATE */
SET_SIZE(stphysio_il)
!
! load value at physical address in I/O space
!
! u_int ldphysio_il(uint64_t physaddr)
!
ENTRY_NP(ldphysio_il)
rdpr %pstate, %o2 /* read PSTATE reg */
andn %o2, PSTATE_IE | PSTATE_AM, %o3
wrpr %g0, %o3, %pstate
lduwa [%o0]ASI_IO, %o0 /* load value via bypass ASI */
retl
wrpr %g0, %o2, %pstate /* restore pstate */
SET_SIZE(ldphysio_il)
#endif /* lint */
#if defined(lint)
/*
* Argument to drmach_exec_script_il is a pointer to:
*
* typedef struct {
* uint64_t masr_addr;
* uint_t masr;
* uint_t _filler;
* } drmach_rename_script_t;
*/
/*ARGUSED*/
void
drmach_exec_script_il(void *sp)
{}
#else /* lint */
ENTRY_NP(drmach_exec_script_il)
mov %o0, %o2
0: /* cache script */
ldx [%o2], %o1
cmp %g0, %o1
bnz,pt %xcc, 0b
add %o2, 16, %o2
rdpr %pstate, %o4 /* read PSTATE reg */
andn %o4, PSTATE_IE | PSTATE_AM, %o1
wrpr %g0, %o1, %pstate
b 2f /* cache it */
nop
1:
ldx [%o0], %o1
cmp %g0, %o1
bz,pn %xcc, 5f
ld [%o0 + 8], %o2
b 3f
stwa %o2, [%o1]ASI_IO
2:
b 4f /* cache it */
nop
3:
add %o0, 16, %o0
b 1b
lduwa [%o1]ASI_IO, %g0 /* read back to insure written */
4:
b 1b /* caching done */
nop
5:
retl
wrpr %g0, %o4, %pstate /* restore the PSTATE */
SET_SIZE(drmach_exec_script_il)
#endif /* lint */
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