54366c0bd7
option, unbreak the lock tracing release semantic by embedding calls to LOCKSTAT_PROFILE_RELEASE_LOCK() direclty in the inlined version of the releasing functions for mutex, rwlock and sxlock. Failing to do so skips the lockstat_probe_func invokation for unlocking. - As part of the LOCKSTAT support is inlined in mutex operation, for kernel compiled without lock debugging options, potentially every consumer must be compiled including opt_kdtrace.h. Fix this by moving KDTRACE_HOOKS into opt_global.h and remove the dependency by opt_kdtrace.h for all files, as now only KDTRACE_FRAMES is linked there and it is only used as a compile-time stub [0]. [0] immediately shows some new bug as DTRACE-derived support for debug in sfxge is broken and it was never really tested. As it was not including correctly opt_kdtrace.h before it was never enabled so it was kept broken for a while. Fix this by using a protection stub, leaving sfxge driver authors the responsibility for fixing it appropriately [1]. Sponsored by: EMC / Isilon storage division Discussed with: rstone [0] Reported by: rstone [1] Discussed with: philip
212 lines
5.7 KiB
ArmAsm
212 lines
5.7 KiB
ArmAsm
/* $FreeBSD$ */
|
|
/* $NetBSD: locore.S,v 1.24 2000/05/31 05:09:17 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (C) 2001 Benno Rice
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
/*-
|
|
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
|
|
* Copyright (C) 1995, 1996 TooLs GmbH.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by TooLs GmbH.
|
|
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "assym.s"
|
|
|
|
#include <sys/syscall.h>
|
|
|
|
#include <machine/trap.h>
|
|
#include <machine/param.h>
|
|
#include <machine/spr.h>
|
|
#include <machine/asm.h>
|
|
#include "opt_platform.h"
|
|
|
|
/* Locate the per-CPU data structure */
|
|
#define GET_CPUINFO(r) \
|
|
mfsprg0 r
|
|
|
|
/*
|
|
* Compiled KERNBASE location and the kernel load address
|
|
*/
|
|
.globl kernbase
|
|
.set kernbase, KERNBASE
|
|
|
|
#define TMPSTKSZ 8192 /* 8K temporary stack */
|
|
|
|
/*
|
|
* Globals
|
|
*/
|
|
.data
|
|
.align 4
|
|
GLOBAL(tmpstk)
|
|
.space TMPSTKSZ
|
|
GLOBAL(esym)
|
|
.long 0 /* end of symbol table */
|
|
|
|
#define INTRCNT_COUNT 256 /* max(HROWPIC_IRQMAX,OPENPIC_IRQMAX) */
|
|
GLOBAL(intrnames)
|
|
.space INTRCNT_COUNT * (MAXCOMLEN + 1) * 2
|
|
GLOBAL(sintrnames)
|
|
.long INTRCNT_COUNT * (MAXCOMLEN + 1) * 2
|
|
|
|
.align 4
|
|
GLOBAL(intrcnt)
|
|
.space INTRCNT_COUNT * 4 * 2
|
|
GLOBAL(sintrcnt)
|
|
.long INTRCNT_COUNT * 4 * 2
|
|
|
|
.text
|
|
.globl btext
|
|
btext:
|
|
|
|
/*
|
|
* This symbol is here for the benefit of kvm_mkdb, and is supposed to
|
|
* mark the start of kernel text.
|
|
*/
|
|
.globl kernel_text
|
|
kernel_text:
|
|
|
|
/*
|
|
* Startup entry. Note, this must be the first thing in the text
|
|
* segment!
|
|
*/
|
|
.text
|
|
.globl __start
|
|
__start:
|
|
li 8,0
|
|
li 9,0x100
|
|
mtctr 9
|
|
1:
|
|
dcbf 0,8
|
|
icbi 0,8
|
|
addi 8,8,0x20
|
|
bdnz 1b
|
|
sync
|
|
isync
|
|
#ifdef WII
|
|
#include <powerpc/wii/locore.S>
|
|
#endif
|
|
/* Zero bss, in case we were started by something unhelpful */
|
|
li 0,0
|
|
lis 8,_edata@ha
|
|
addi 8,8,_edata@l
|
|
lis 9,_end@ha
|
|
addi 9,9,_end@l
|
|
2: stw 0,0(8)
|
|
addi 8,8,4
|
|
cmplw 8,9
|
|
blt 2b
|
|
|
|
/* Save the argument pointer and length */
|
|
mr 20,6
|
|
mr 21,7
|
|
|
|
lis 8,openfirmware_entry@ha
|
|
stw 5,openfirmware_entry@l(8) /* save client interface handler */
|
|
|
|
lis 1,(tmpstk+TMPSTKSZ-16)@ha
|
|
addi 1,1,(tmpstk+TMPSTKSZ-16)@l
|
|
|
|
mfmsr 0
|
|
lis 9,ofmsr@ha
|
|
stwu 0,ofmsr@l(9)
|
|
|
|
mfsprg0 0 /* save SPRG0-3 */
|
|
stw 0,4(9) /* ofmsr[1] = sprg0 */
|
|
mfsprg1 0
|
|
stw 0,8(9) /* ofmsr[2] = sprg1 */
|
|
mfsprg2 0
|
|
stw 0,12(9) /* ofmsr[3] = sprg2 */
|
|
mfsprg3 0
|
|
stw 0,16(9) /* ofmsr[4] = sprg3 */
|
|
|
|
bl OF_initial_setup
|
|
|
|
lis 3,kernel_text@ha
|
|
addi 3,3,kernel_text@l
|
|
|
|
lis 4,end@ha
|
|
addi 4,4,end@l
|
|
add 4,4,3
|
|
mr 5,4
|
|
|
|
/* Restore the argument pointer and length */
|
|
mr 6,20
|
|
mr 7,21
|
|
|
|
bl powerpc_init
|
|
mr %r1, %r3
|
|
li %r3, 0
|
|
stw %r3, 0(%r1)
|
|
bl mi_startup
|
|
b OF_exit
|
|
|
|
/*
|
|
* int setfault()
|
|
*
|
|
* Similar to setjmp to setup for handling faults on accesses to user memory.
|
|
* Any routine using this may only call bcopy, either the form below,
|
|
* or the (currently used) C code optimized, so it doesn't use any non-volatile
|
|
* registers.
|
|
*/
|
|
.globl setfault
|
|
setfault:
|
|
mflr 0
|
|
mfcr 12
|
|
mfsprg 4,0
|
|
lwz 4,TD_PCB(2) /* curthread = r2 */
|
|
stw 3,PCB_ONFAULT(4)
|
|
stw 0,0(3)
|
|
stw 1,4(3)
|
|
stw 2,8(3)
|
|
stmw 12,12(3)
|
|
xor 3,3,3
|
|
blr
|
|
|
|
#include <powerpc/aim/trap_subr32.S>
|