These files are no longer used. They have been replaced with similarly named

.S files.

4 files changed, 0 insertions, 597 deletions

diff --git a/sys/powerpc/powerpc/atomic.s b/sys/powerpc/powerpc/atomic.s
deleted file mode 100644
index a844f7a..0000000
--- a/sys/powerpc/powerpc/atomic.s
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Copyright (c) 2000, 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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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.
- *
- * $FreeBSD$
- */
-
-#include <machine/asm.h>
-	
-	.text
-	
-ASENTRY(atomic_set_8)
-0:	lwarx	0, 0, 3		/* load old value */
-	slwi	4, 4, 24	/* shift the byte so it's in the right place */
-	or	0, 0, 4		/* generate new value */
-	stwcx.	0, 0, 3		/* attempt to store */
-	bne-	0		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
-
-ASENTRY(atomic_clear_8)
-0:	lwarx 	0, 0, 3		/* load old value */
-	slwi	4, 4, 24	/* shift the byte so it's in the right place */
-	andc	0, 0, 4		/* generate new value */
-	stwcx.	0, 0, 3		/* attempt to store */
-	bne-	0		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
-
-ASENTRY(atomic_add_8)
-0:	lwarx	9, 0, 3		/* load old value */
-	srwi	0, 9, 24	/* byte alignment */
-	add	0, 4, 0		/* calculate new value */
-	slwi	0, 9, 24	/* byte alignment */
-	clrlwi	9, 9, 8		/* clear the byte in the original word */
-	or	9, 9, 0		/* copy back in to the original word */
-	stwcx.	9, 0, 3		/* attempt to store */
-	bne-	0		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
-
-ASENTRY(atomic_subtract_8)
-0:	lwarx	9, 0, 3		/* load old value */
-	srwi	0, 9, 24	/* byte alignment */
-	subf	0, 4, 0		/* calculate new value */
-	slwi	0, 9, 24	/* byte alignment */
-	clrlwi	9, 9, 8		/* clear the byte in the original word */
-	or	9, 9, 0		/* copy back in to the original word */
-	stwcx.	9, 0, 3		/* attempt to store */
-	bne-	0		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
-
-ASENTRY(atomic_set_16)
-	li	11, 3		/* mask to test for alignment */
-	andc.	11, 3, 11	/* force address to be word-aligned */
-0:	lwarx	12, 0, 11	/* load old value */
-	bne	1f		/* no realignment needed if it's aligned */
-	slwi	4, 4, 16	/* realign operand */
-1:	or	12, 12, 4	/* calculate new value */
-	stwcx.	12, 0, 11	/* attempt to store */
-	bne-	0b		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
-
-ASENTRY(atomic_clear_16)
-	li	11, 3		/* mask to test for alignment */
-	andc.	11, 3, 11	/* force address to be word-aligned */
-0:	lwarx	12, 0, 11	/* load old value */
-	bne	1f		/* no realignment needed if it's aligned */
-	slwi	4, 4, 16	/* realign operand */
-1:	andc	12, 12, 4	/* calculate new value */
-	stwcx.	12, 0, 11	/* attempt to store */
-	bne-	0b		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
-
-ASENTRY(atomic_add_16)
-	li	11, 3		/* mask to test for alignment */
-	andc.	11, 3, 11	/* force address to be word-aligned */
-0:	lwarx	12, 0, 11	/* load old value */
-	bne	1f		/* no realignment needed if it's aligned */
-	srwi	12, 9, 16	/* realign */
-1:	add	12, 4, 12	/* calculate new value */
-	bne	2f		/* no realignment needed if it's aligned */
-	slwi	12, 12, 16	/* realign */
-2:	clrlwi	9, 9, 16	/* clear old value */
-	or	9, 9, 12	/* copy in new value */
-	stwcx.	12, 0, 11	/* attempt to store */
-	bne-	0b		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
-
-ASENTRY(atomic_subtract_16)
-	li	11, 3		/* mask to test for alignment */
-	andc.	11, 3, 11	/* force address to be word-aligned */
-0:	lwarx	12, 0, 11	/* load old value */
-	bne	1f		/* no realignment needed if it's aligned */
-	srwi	12, 9, 16	/* realign */
-1:	subf	12, 4, 12	/* calculate new value */
-	bne	2f		/* no realignment needed if it's aligned */
-	slwi	12, 12, 16	/* realign */
-2:	clrlwi	9, 9, 16	/* clear old value */
-	or	9, 9, 12	/* copy in new value */
-	stwcx.	12, 0, 11	/* attempt to store */
-	bne-	0		/* loop if failed */
-	eieio			/* synchronise */
-	sync
-	blr			/* return */
diff --git a/sys/powerpc/powerpc/locore.s b/sys/powerpc/powerpc/locore.s
deleted file mode 100644
index 697fde8..0000000
--- a/sys/powerpc/powerpc/locore.s
+++ /dev/null
@@ -1,224 +0,0 @@
-/* $FreeBSD$ */
-/* $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 "opt_ddb.h"
-#include "opt_ipkdb.h"
-#include "assym.s"
-
-#include <sys/syscall.h>
-
-#include <machine/trap.h>
-#include <machine/param.h>
-#include <machine/sr.h>
-#include <machine/spr.h>
-#include <machine/psl.h>
-#include <machine/asm.h>
-
-/*
- * Some instructions gas doesn't understand (yet?)
- */
-#define	bdneq	bdnzf 2,
-
-/*
- * Globals
- */
-	.data
-GLOBAL(tmpstk)
-	.space	8208
-GLOBAL(esym)
-	.long	0			/* end of symbol table */
-
-GLOBAL(ofmsr)
-	.long	0			/* msr used in Open Firmware */
-
-GLOBAL(powersave)
-	.long	0
-
-#define	INTSTK		8192		/* 8K interrupt stack */
-#define	SPILLSTK	4096		/* 4K spill stack */
-
-/*
- * Dummy interrupt table to keep sysctl happy until
- * it's worked out what to do with naming
- */
-GLOBAL(intrnames)
-	.asciz "dummy"
-GLOBAL(eintrnames)
-	.align 4
-GLOBAL(intrcnt)
-	.long 0
-GLOBAL(eintrcnt)
-	
-/*
- * File-scope for locore.S
- */
-idle_u:
-	.long	0			/* fake uarea during idle after exit */
-openfirmware_entry:
-	.long	0			/* openfirmware entry point */
-srsave:
-	.long	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-
-/*
- * This symbol is here for the benefit of kvm_mkdb, and is supposed to
- * mark the start of kernel text.
- */
-	.text
-	.globl	kernel_text
-kernel_text:
-
-/*
- * Startup entry.  Note, this must be the first thing in the text
- * segment!
- */
-	.text
-	.globl	__start
-__start:
-#ifdef	FIRMWORKSBUGS
-	mfmsr	0
-	andi.	0,0,PSL_IR|PSL_DR
-	beq	1f
-
-	bl	ofwr_init
-1:
-#endif
-	li	8,0
-	li	9,0x100
-	mtctr	9
-1:
-	dcbf	0,8
-	icbi	0,8
-	addi	8,8,0x20
-	bdnz	1b
-	sync
-	isync
-
-	mtibatu	0,0
-	mtibatu	1,0
-	mtibatu	2,0
-	mtibatu	3,0
-	mtdbatu	0,0
-	mtdbatu	1,0
-	mtdbatu	2,0
-	mtdbatu	3,0
-
-	li	9,0x12
-	mtibatl	0,9
-	mtdbatl	0,9
-	li	9,0x1ffe
-	mtibatu	0,9
-	mtdbatu	0,9
-	isync
-
-	/* 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 */
-	mr	3,5
-
-	lis	1,tmpstk@ha
-	addi	1,1,tmpstk@l
-	addi	1,1,8192
-
-	mfmsr	0
-	lis	9,ofmsr@ha
-	stw	0,ofmsr@l(9)
-
-	bl	OF_init
-
-	lis	4,end@ha
-	addi	4,4,end@l
-	mr	5,4
-
-	lis	3,kernel_text@ha
-	addi	3,3,kernel_text@l
-
-	/* Restore the argument pointer and length */
-	mr	6,20
-	mr	7,21
-
-	bl	powerpc_init
-	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,PC_CURTHREAD(4)
-	lwz	4,TD_PCB(4)
-	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/powerpc/trap_subr.S>
diff --git a/sys/powerpc/powerpc/ofwmagic.s b/sys/powerpc/powerpc/ofwmagic.s
deleted file mode 100644
index 890e86e..0000000
--- a/sys/powerpc/powerpc/ofwmagic.s
+++ /dev/null
@@ -1,75 +0,0 @@
-/* $FreeBSD$ */
-/* $NetBSD: ofwmagic.S,v 1.2 1997/10/09 08:38:18 jtc Exp $ */
-
-/*-
- * Copyright (c) 1997 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Jason R. Thorpe.
- *
- * 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 the NetBSD
- *        Foundation, Inc. and its contributors.
- * 4. Neither the name of The NetBSD Foundation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``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 THE FOUNDATION OR CONTRIBUTORS
- * 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.
- */
-
-/*
- * Magic note section used by OpenFirmware.
- */
-
-	.section ".note"
-
-	# note header
-
-	# length of name
-	.long	8
-
-	# note descriptor size
-	.long	20
-
-	# note type (IEEE 1275)
-	.long	0x1275
-
-	# name of owner
-	.asciz	"PowerPC"
-	.balign	4
-
-
-	# note descriptor
-
-	# real mode (-1) or virtual mode (0)
-	.long	0
-
-	# real-base
-	.long	-1
-	# real-size
-	.long	-1
-
-	# virt-base
-	.long	-1
-	# virt-size
-	.long	-1
diff --git a/sys/powerpc/powerpc/swtch.s b/sys/powerpc/powerpc/swtch.s
deleted file mode 100644
index 188d5cf..0000000
--- a/sys/powerpc/powerpc/swtch.s
+++ /dev/null
@@ -1,161 +0,0 @@
-/* $FreeBSD$ */
-/* $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/sr.h>
-#include <machine/psl.h>
-#include <machine/asm.h>
-
-/*
- * void cpu_switch()
- * Find a runnable thread and switch to it.
- */
-ENTRY(cpu_switch)
-	mfsprg	%r3,0			/* Get the pcpu pointer */
-	lwz	%r4,PC_CURTHREAD(%r3)	/* Get the current thread */
-	lwz	%r3,TD_PCB(%r4)		/* Get a pointer to the PCB */
-
-	mr	%r12,%r2
-	stmw	%r12,PCB_CONTEXT(%r3)	/* Save the non-volatile GP regs */
-	mr	%r14,%r3		/* Copy the current pcb pointer */
-	mr	%r15,%r4		/* ... and the curthread pointer */
-	mfcr	%r16			/* Save the condition register */
-	stw	%r16,PCB_CR(%r3)
-	mflr	%r16			/* Save the link register */
-	stw	%r16,PCB_LR(%r3)
-	mfsr	%r16,USER_SR		/* Save USER_SR for copyin/out */
-	isync
-	stw	%r16,PCB_USR(%r3)
-	stw	%r1,PCB_SP(%r3)		/* Save the stack pointer */
-
-#if 0
-	lwz	%r29,PCB_FLAGS(%r3)
-	andi.	%r9, %r29, 1		/* XXX - don't hard code */
-	beq	.L1
-	bl	save_fpu
-#endif
-
-.L1:
-	bl	choosethread		/* Find a new thread to run */
-	cmplw	0,%r3,%r15		/* Compare to curthread */
-	beq	.L2			/* If it's the same, we're done */
-
-	mr	%r16,%r3		/* Save off the (struct thread *) */
-
-	mr	%r3,%r15
-	bl	pmap_deactivate		/* Deactivate the current pmap */
-
-	mr	%r3,%r16
-	bl	pmap_activate		/* Activate the new address space */
-
-	mfsprg	%r4,0			/* Get the pcpu pointer */
-	stw	%r16,PC_CURTHREAD(%r4)	/* Store new current thread */
-	mr	%r3,%r16		/*   and save in r3 */
-	lwz	%r16,TD_PCB(%r16)	/* Store new current PCB */
-	stw	%r16,PC_CURPCB(%r4)
-
-#if 0
-	lwz	%r29, PCB_FLAGS(%r4)	/* Restore FPU regs if needed */
-	andi.	%r9, %r29, 1
-	beq	.L2
-	mr	%r3, %r4
-	bl	enable_fpu
-#endif
-
-	/* thread to restore is in r3 */
-.L2:
-	lwz	%r3, TD_PCB(%r3)
-	lmw	%r12,PCB_CONTEXT(%r3)	/* Load the non-volatile GP regs */
-	mr	%r2,%r12
-	lwz	%r5,PCB_CR(%r3)		/* Load the condition register */
-	mtcr	%r5
-	lwz	%r5,PCB_LR(%r3)		/* Load the link register */
-	mtlr	%r5
-	lwz	%r5,PCB_USR(%r3)	/* Load the USER_SR segment reg */
-	mtsr	USER_SR,%r5
-	isync
-	lwz	%r1,PCB_SP(%r3)		/* Load the stack pointer */
-	blr
-
-/*
- * savectx(pcb)
- * Update pcb, saving current processor state
- */
-ENTRY(savectx)
-	mr	%r12,%r2
-	stmw	%r12,PCB_CONTEXT(%r3)	/* Save the non-volatile GP regs */
-	mfcr	%r4			/* Save the condition register */
-	stw	%r4,PCB_CONTEXT(%r3)
-	blr
-
-/*
- * fork_trampoline()
- * Set up the return from cpu_fork()
- */
-ENTRY(fork_trampoline)
-	lwz	%r3,CF_FUNC(%r1)
-	lwz	%r4,CF_ARG0(%r1)
-	lwz	%r5,CF_ARG1(%r1)
-	bl	fork_exit
-	addi	%r1,%r1,4
-	b	trapexit