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-rw-r--r--sys/arch/macppc/macppc/autoconf.c (renamed from sys/arch/powerpc/powerpc/autoconf.c)6
-rw-r--r--sys/arch/macppc/macppc/clock.c (renamed from sys/arch/powerpc/powerpc/clock.c)6
-rw-r--r--sys/arch/macppc/macppc/conf.c (renamed from sys/arch/powerpc/powerpc/conf.c)2
-rw-r--r--sys/arch/macppc/macppc/cpu.c (renamed from sys/arch/powerpc/powerpc/cpu.c)4
-rw-r--r--sys/arch/macppc/macppc/db_disasm.c (renamed from sys/arch/powerpc/powerpc/db_disasm.c)2
-rw-r--r--sys/arch/macppc/macppc/db_interface.c (renamed from sys/arch/powerpc/powerpc/db_interface.c)2
-rw-r--r--sys/arch/macppc/macppc/db_memrw.c (renamed from sys/arch/powerpc/powerpc/db_memrw.c)2
-rw-r--r--sys/arch/macppc/macppc/db_trace.c (renamed from sys/arch/powerpc/powerpc/db_trace.c)5
-rw-r--r--sys/arch/macppc/macppc/disksubr.c (renamed from sys/arch/powerpc/powerpc/disksubr.c)2
-rw-r--r--sys/arch/macppc/macppc/dma.c (renamed from sys/arch/powerpc/powerpc/dma.c)2
-rw-r--r--sys/arch/macppc/macppc/machdep.c (renamed from sys/arch/powerpc/powerpc/machdep.c)6
-rw-r--r--sys/arch/macppc/macppc/mainbus.c (renamed from sys/arch/powerpc/powerpc/mainbus.c)2
-rw-r--r--sys/arch/macppc/macppc/mem.c (renamed from sys/arch/powerpc/powerpc/mem.c)2
-rw-r--r--sys/arch/macppc/macppc/ofw_machdep.c (renamed from sys/arch/powerpc/powerpc/ofw_machdep.c)6
-rw-r--r--sys/arch/macppc/macppc/opendev.c (renamed from sys/arch/powerpc/powerpc/opendev.c)2
-rw-r--r--sys/arch/macppc/macppc/openfirm.c (renamed from sys/arch/powerpc/powerpc/openfirm.c)2
-rw-r--r--sys/arch/macppc/macppc/random.c (renamed from sys/arch/powerpc/powerpc/random.c)2
-rw-r--r--sys/arch/macppc/macppc/swapgeneric.c (renamed from sys/arch/powerpc/powerpc/swapgeneric.c)2
-rw-r--r--sys/arch/macppc/macppc/wscons_machdep.c (renamed from sys/arch/powerpc/powerpc/wscons_machdep.c)2
-rw-r--r--sys/arch/powerpc/powerpc/genassym.cf77
-rw-r--r--sys/arch/powerpc/powerpc/locore.S1409
-rw-r--r--sys/arch/powerpc/powerpc/ofwreal.S450
22 files changed, 27 insertions, 1968 deletions
diff --git a/sys/arch/powerpc/powerpc/autoconf.c b/sys/arch/macppc/macppc/autoconf.c
index 519c2f8120e..68e3f99af68 100644
--- a/sys/arch/powerpc/powerpc/autoconf.c
+++ b/sys/arch/macppc/macppc/autoconf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: autoconf.c,v 1.12 2001/06/24 04:49:27 drahn Exp $ */
+/* $OpenBSD: autoconf.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Copyright (c) 1996, 1997 Per Fogelstrom
* Copyright (c) 1995 Theo de Raadt
@@ -41,7 +41,7 @@
* from: Utah Hdr: autoconf.c 1.31 91/01/21
*
* from: @(#)autoconf.c 8.1 (Berkeley) 6/10/93
- * $Id: autoconf.c,v 1.12 2001/06/24 04:49:27 drahn Exp $
+ * $Id: autoconf.c,v 1.1 2001/09/01 15:44:20 drahn Exp $
*/
/*
@@ -242,7 +242,7 @@ getdisk(str, len, defpart, devp)
for (dv = alldevs.tqh_first; dv != NULL;
dv = dv->dv_list.tqe_next) {
if (dv->dv_class == DV_DISK)
- printf(" %s[a-h]", dv->dv_xname);
+ printf(" %s[a-p]", dv->dv_xname);
#ifdef NFSCLIENT
if (dv->dv_class == DV_IFNET)
printf(" %s", dv->dv_xname);
diff --git a/sys/arch/powerpc/powerpc/clock.c b/sys/arch/macppc/macppc/clock.c
index 15b2ba6a5a9..cebc44c59c1 100644
--- a/sys/arch/powerpc/powerpc/clock.c
+++ b/sys/arch/macppc/macppc/clock.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: clock.c,v 1.14 2001/06/24 04:59:26 drahn Exp $ */
+/* $OpenBSD: clock.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: clock.c,v 1.1 1996/09/30 16:34:40 ws Exp $ */
/*
@@ -41,10 +41,6 @@
#include <machine/intr.h>
#include <dev/ofw/openfirm.h>
-#if 0
-#include <powerpc/pci/mpc106reg.h>
-#endif
-
void resettodr(void);
static inline u_quad_t mftb(void);
diff --git a/sys/arch/powerpc/powerpc/conf.c b/sys/arch/macppc/macppc/conf.c
index 56a8aec2f2f..a381b49043a 100644
--- a/sys/arch/powerpc/powerpc/conf.c
+++ b/sys/arch/macppc/macppc/conf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: conf.c,v 1.26 2001/08/06 22:34:44 mickey Exp $ */
+/* $OpenBSD: conf.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Copyright (c) 1997 Per Fogelstrom
diff --git a/sys/arch/powerpc/powerpc/cpu.c b/sys/arch/macppc/macppc/cpu.c
index fa908134ec7..f1b090ceb03 100644
--- a/sys/arch/powerpc/powerpc/cpu.c
+++ b/sys/arch/macppc/macppc/cpu.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cpu.c,v 1.12 2001/07/09 04:41:28 mickey Exp $ */
+/* $OpenBSD: cpu.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Copyright (c) 1997 Per Fogelstrom
@@ -61,7 +61,7 @@
#define HID0_DPM (1 << (31-11))
char cpu_model[80];
-char machine[] = "powerpc"; /* cpu architecture */
+char machine[] = MACHINE; /* cpu architecture */
/* Definition of the driver for autoconfig. */
int cpumatch(struct device *, void *, void *);
diff --git a/sys/arch/powerpc/powerpc/db_disasm.c b/sys/arch/macppc/macppc/db_disasm.c
index 9bf13a99f25..3845f3f08fd 100644
--- a/sys/arch/powerpc/powerpc/db_disasm.c
+++ b/sys/arch/macppc/macppc/db_disasm.c
@@ -1,5 +1,5 @@
/* $NetBSD: db_disasm.c,v 1.8 2001/06/12 05:31:44 simonb Exp $ */
-/* $OpenBSD: db_disasm.c,v 1.7 2001/08/21 02:49:14 drahn Exp $ */
+/* $OpenBSD: db_disasm.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Copyright (c) 1996 Dale Rahn. All rights reserved.
*
diff --git a/sys/arch/powerpc/powerpc/db_interface.c b/sys/arch/macppc/macppc/db_interface.c
index fc66b2c08f2..53d68fd004a 100644
--- a/sys/arch/powerpc/powerpc/db_interface.c
+++ b/sys/arch/macppc/macppc/db_interface.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: db_interface.c,v 1.7 2001/08/21 02:58:35 drahn Exp $ */
+/* $OpenBSD: db_interface.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: db_interface.c,v 1.12 2001/07/22 11:29:46 wiz Exp $ */
#include <sys/param.h>
diff --git a/sys/arch/powerpc/powerpc/db_memrw.c b/sys/arch/macppc/macppc/db_memrw.c
index 576b50ddf90..8c8e400175b 100644
--- a/sys/arch/powerpc/powerpc/db_memrw.c
+++ b/sys/arch/macppc/macppc/db_memrw.c
@@ -1,5 +1,5 @@
/* $NetBSD: db_memrw.c,v 1.4 2001/05/18 20:38:27 matt Exp $ */
-/* $OpenBSD: db_memrw.c,v 1.3 2001/06/24 22:00:13 drahn Exp $ */
+/* $OpenBSD: db_memrw.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Mach Operating System
diff --git a/sys/arch/powerpc/powerpc/db_trace.c b/sys/arch/macppc/macppc/db_trace.c
index 3a7cad5e9a1..55ccba0226d 100644
--- a/sys/arch/powerpc/powerpc/db_trace.c
+++ b/sys/arch/macppc/macppc/db_trace.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: db_trace.c,v 1.11 2001/08/25 05:00:26 drahn Exp $ */
+/* $OpenBSD: db_trace.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: db_trace.c,v 1.15 1996/02/22 23:23:41 gwr Exp $ */
/*
@@ -114,8 +114,7 @@ db_dumpframe(u_int32_t pframe)
name = "?";
offset = 65536;
}
- db_printf("%x %s+0x%x fp %x nfp %x\n",
- lr-4, name, offset, pframe, nextframe);
+ db_printf("%s+0x%x fp %x nfp %x\n", name, offset, pframe, nextframe);
return nextframe;
}
diff --git a/sys/arch/powerpc/powerpc/disksubr.c b/sys/arch/macppc/macppc/disksubr.c
index 423cd75ef48..5181f68359b 100644
--- a/sys/arch/powerpc/powerpc/disksubr.c
+++ b/sys/arch/macppc/macppc/disksubr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: disksubr.c,v 1.16 2001/06/24 05:06:13 drahn Exp $ */
+/* $OpenBSD: disksubr.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: disksubr.c,v 1.21 1996/05/03 19:42:03 christos Exp $ */
/*
diff --git a/sys/arch/powerpc/powerpc/dma.c b/sys/arch/macppc/macppc/dma.c
index cd417021b47..ef8c1a3291c 100644
--- a/sys/arch/powerpc/powerpc/dma.c
+++ b/sys/arch/macppc/macppc/dma.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dma.c,v 1.10 2001/08/18 21:59:48 drahn Exp $ */
+/* $OpenBSD: dma.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */
/*-
diff --git a/sys/arch/powerpc/powerpc/machdep.c b/sys/arch/macppc/macppc/machdep.c
index 200c213d785..1680fb47b59 100644
--- a/sys/arch/powerpc/powerpc/machdep.c
+++ b/sys/arch/macppc/macppc/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.80 2001/08/23 14:01:03 art Exp $ */
+/* $OpenBSD: machdep.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $ */
/*
@@ -83,8 +83,8 @@
#include "adb.h"
#if NADB > 0
-#include <arch/powerpc/mac/adbvar.h>
-#include <arch/powerpc/mac/adb_direct.h>
+#include <arch/macppc/dev/adbvar.h>
+#include <arch/macppc/dev/adb_direct.h>
#endif
#ifdef DDB
diff --git a/sys/arch/powerpc/powerpc/mainbus.c b/sys/arch/macppc/macppc/mainbus.c
index 2158932f81e..138471a66a8 100644
--- a/sys/arch/powerpc/powerpc/mainbus.c
+++ b/sys/arch/macppc/macppc/mainbus.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mainbus.c,v 1.8 2001/07/09 04:41:28 mickey Exp $ */
+/* $OpenBSD: mainbus.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
diff --git a/sys/arch/powerpc/powerpc/mem.c b/sys/arch/macppc/macppc/mem.c
index 846e6d16a5a..30b861109b9 100644
--- a/sys/arch/powerpc/powerpc/mem.c
+++ b/sys/arch/macppc/macppc/mem.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mem.c,v 1.8 2001/06/24 23:29:35 drahn Exp $ */
+/* $OpenBSD: mem.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: mem.c,v 1.1 1996/09/30 16:34:50 ws Exp $ */
/*
diff --git a/sys/arch/powerpc/powerpc/ofw_machdep.c b/sys/arch/macppc/macppc/ofw_machdep.c
index 9dea680f0fe..d7e46d9d5b3 100644
--- a/sys/arch/powerpc/powerpc/ofw_machdep.c
+++ b/sys/arch/macppc/macppc/ofw_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ofw_machdep.c,v 1.25 2001/08/18 05:39:03 drahn Exp $ */
+/* $OpenBSD: ofw_machdep.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: ofw_machdep.c,v 1.1 1996/09/30 16:34:50 ws Exp $ */
/*
@@ -54,7 +54,7 @@
#include <ukbd.h>
#include <akbd.h>
#include <dev/usb/ukbdvar.h>
-#include <powerpc/mac/akbdvar.h>
+#include <macppc/dev/akbdvar.h>
/* XXX, called from asm */
int save_ofw_mapping(void);
@@ -330,7 +330,7 @@ ofwtrysercon(char *name, int qhandle)
#endif
#include <dev/pci/pcivar.h>
-#include <arch/powerpc/pci/vgafb_pcivar.h>
+#include <arch/macppc/pci/vgafb_pcivar.h>
static pcitag_t ofw_make_tag( void *cpv, int bus, int dev, int fnc);
/* ARGSUSED */
diff --git a/sys/arch/powerpc/powerpc/opendev.c b/sys/arch/macppc/macppc/opendev.c
index f8f72452ccd..c27aad313ef 100644
--- a/sys/arch/powerpc/powerpc/opendev.c
+++ b/sys/arch/macppc/macppc/opendev.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: opendev.c,v 1.5 2001/08/18 21:59:48 drahn Exp $ */
+/* $OpenBSD: opendev.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: openfirm.c,v 1.1 1996/09/30 16:34:52 ws Exp $ */
/*
diff --git a/sys/arch/powerpc/powerpc/openfirm.c b/sys/arch/macppc/macppc/openfirm.c
index ad27988930b..d28baa59202 100644
--- a/sys/arch/powerpc/powerpc/openfirm.c
+++ b/sys/arch/macppc/macppc/openfirm.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: openfirm.c,v 1.8 2001/06/24 23:29:36 drahn Exp $ */
+/* $OpenBSD: openfirm.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: openfirm.c,v 1.1 1996/09/30 16:34:52 ws Exp $ */
/*
diff --git a/sys/arch/powerpc/powerpc/random.c b/sys/arch/macppc/macppc/random.c
index 0dc2a42627d..d016e6c5793 100644
--- a/sys/arch/powerpc/powerpc/random.c
+++ b/sys/arch/macppc/macppc/random.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: random.c,v 1.2 1997/10/13 13:43:00 pefo Exp $ */
+/* $OpenBSD: random.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Copyright (c) 1990,1993 The Regents of the University of California.
diff --git a/sys/arch/powerpc/powerpc/swapgeneric.c b/sys/arch/macppc/macppc/swapgeneric.c
index ef2bd031930..b4fd47baf7e 100644
--- a/sys/arch/powerpc/powerpc/swapgeneric.c
+++ b/sys/arch/macppc/macppc/swapgeneric.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: swapgeneric.c,v 1.3 1997/10/13 13:43:01 pefo Exp $ */
+/* $OpenBSD: swapgeneric.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/* $NetBSD: swapgeneric.c,v 1.1 1996/09/30 16:34:55 ws Exp $ */
/*-
diff --git a/sys/arch/powerpc/powerpc/wscons_machdep.c b/sys/arch/macppc/macppc/wscons_machdep.c
index 4abb121f1ab..63b76da8ea5 100644
--- a/sys/arch/powerpc/powerpc/wscons_machdep.c
+++ b/sys/arch/macppc/macppc/wscons_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: wscons_machdep.c,v 1.2 2001/06/24 23:29:37 drahn Exp $ */
+/* $OpenBSD: wscons_machdep.c,v 1.1 2001/09/01 15:44:20 drahn Exp $ */
/*
* Copyright (c) 2001 Aaron Campbell
diff --git a/sys/arch/powerpc/powerpc/genassym.cf b/sys/arch/powerpc/powerpc/genassym.cf
deleted file mode 100644
index 02fc36242a8..00000000000
--- a/sys/arch/powerpc/powerpc/genassym.cf
+++ /dev/null
@@ -1,77 +0,0 @@
-# $OpenBSD: genassym.cf,v 1.2 1997/10/13 13:42:57 pefo Exp $
-#
-# Copyright (c) 1982, 1990 The Regents of the University of California.
-# 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 the University of
-# California, Berkeley and its contributors.
-# 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
-#
-# @(#)genassym.c 7.8 (Berkeley) 5/7/91
-#
-
-include <sys/param.h>
-include <sys/time.h>
-include <sys/proc.h>
-include <vm/vm.h>
-include <vm/vm_kern.h>
-
-
-include <machine/pcb.h>
-include <machine/pmap.h>
-
-
-
-define FRAMELEN FRAMELEN
-define FRAME_0 offsetof(struct trapframe, fixreg[0])
-define FRAME_1 offsetof(struct trapframe, fixreg[1])
-define FRAME_2 offsetof(struct trapframe, fixreg[2])
-define FRAME_3 offsetof(struct trapframe, fixreg[3])
-define FRAME_LR offsetof(struct trapframe, lr)
-define FRAME_CR offsetof(struct trapframe, cr)
-define FRAME_CTR offsetof(struct trapframe, ctr)
-define FRAME_XER offsetof(struct trapframe, xer)
-define FRAME_SRR0 offsetof(struct trapframe, srr0)
-define FRAME_SRR1 offsetof(struct trapframe, srr1)
-define FRAME_DAR offsetof(struct trapframe, dar)
-define FRAME_DSISR offsetof(struct trapframe, dsisr)
-define FRAME_EXC offsetof(struct trapframe, exc)
-
-define SFRAMELEN roundup(sizeof(struct switchframe), 16)
-
-define PCB_PMR offsetof(struct pcb, pcb_pmreal)
-define PCB_SP offsetof(struct pcb, pcb_sp)
-define PCB_SPL offsetof(struct pcb, pcb_spl)
-define PCB_FAULT offsetof(struct pcb, pcb_onfault)
-
-define PM_USRSR offsetof(struct pmap, pm_sr[USER_SR])
-define PM_KERNELSR offsetof(struct pmap, pm_sr[KERNEL_SR])
-
-define P_FORW offsetof(struct proc, p_forw)
-define P_BACK offsetof(struct proc, p_back)
-define P_ADDR offsetof(struct proc, p_addr)
-
diff --git a/sys/arch/powerpc/powerpc/locore.S b/sys/arch/powerpc/powerpc/locore.S
deleted file mode 100644
index 710c9992dfb..00000000000
--- a/sys/arch/powerpc/powerpc/locore.S
+++ /dev/null
@@ -1,1409 +0,0 @@
-/* $OpenBSD: locore.S,v 1.18 2001/06/24 22:00:12 drahn Exp $ */
-/* $NetBSD: locore.S,v 1.2 1996/10/16 19:33:09 ws Exp $ */
-
-/*
- * 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 "machine/ipkdb.h"
-
-#include "assym.h"
-
-#include <sys/syscall.h>
-
-#include <machine/asm.h>
-#include <machine/param.h>
-#include <machine/pmap.h>
-#include <machine/psl.h>
-#include <machine/trap.h>
-
-/*
- * Globals
- */
- .globl _C_LABEL(esym),_C_LABEL(proc0paddr)
- .type _C_LABEL(esym),@object
- .type _C_LABEL(proc0paddr),@object
- .data
-_C_LABEL(esym): .long 0 /* end of symbol table */
-_C_LABEL(proc0paddr): .long 0 /* proc0 p_addr */
-idle_u: .long 0 /* fake uarea during idle after exit */
-
-fwargsave:
- .long 0
- .long 0
- .globl _C_LABEL(where)
- .type _C_LABEL(where),@object
-_C_LABEL(where): .long 0
-
-/*
- * Startup entry
- */
-_ENTRY(_C_LABEL(kernel_text))
-_ENTRY(_ASM_LABEL(start))
-/* arguments to start
- * r1 - stack provided by firmware/bootloader
- * r3 - unused
- * r4 - unused
- * r5 - firmware pointer (NULL for PPC1bug)
- * r6 - arg list
- * r7 - length
- */
- .globl start
- .type start,@function
-start:
- lis 3, fwargsave@ha
- stw 6, fwargsave@l(3)
- stw 7, fwargsave@l+4(3)
-#ifdef SUPPORT_PPC1BUG
- mr 0,5
- cmpwi 0,0,0
- bne 1f
- /* need additional tests for other systems??? */
- bl ppc1bug_init
- b 2f
-#endif /* SUPPORT_PPC1BUG
-1: /* support openfirmware for Apple and PowerStack w/OFW, ... */
- bl ofw_init
-2:
- li 0,0
- mtmsr 0 /* Disable FPU/MMU/exceptions */
- isync
-
-/* compute end of kernel memory */
- lis 8,_end@ha
- addi 8,8,_end@l
- lis 3, fwargsave@ha
- lwz 6, fwargsave@l(3)
- lwz 7, fwargsave@l+4(3)
-#if defined(DDB) || defined(KERNFS)
- cmpwi 6, 0
- beq 1f
- add 9,6,7
- lwz 9, -4(9)
- cmpwi 9,0
- beq 1f
- lis 8,_C_LABEL(esym)@ha
- stw 9,_C_LABEL(esym)@l(8)
- mr 8, 9
-1:
-#endif
- li 9,PGOFSET
- add 8,8,9
- andc 8,8,9
- lis 9,idle_u@ha
- stw 8,idle_u@l(9)
- addi 8,8,USPACE /* space for idle_u */
- lis 9,_C_LABEL(proc0paddr)@ha
- stw 8,_C_LABEL(proc0paddr)@l(9)
- addi 1,8,USPACE-FRAMELEN /* stackpointer for proc0 */
- mr 4,1 /* end of mem reserved for kernel */
- xor 0,0,0
- stwu 0,-16(1) /* end of stack chain */
-
- li 0, 2
- lis 9,_C_LABEL(where)@ha
- stw 0,_C_LABEL(where)@l(9)
-
- lis 3,start@ha
- addi 3,3,start@l
- mr 5,6 /* args string */
- bl _C_LABEL(initppc)
- bl _C_LABEL(main)
- b _C_LABEL(OF_exit)
-
-#define LED_ADDR 0x800008c0
-_ENTRY(_C_LABEL(led_dbg))
- stwu 1,-32(1)
- mflr 0
- stw 0,36(1)
-
- stw 4,8(1)
- stw 5,12(1)
- stw 6,16(1)
- stw 7,20(1)
- mfmsr 5
-
- mr 6,5
- ori 6,6,(PSL_IR|PSL_DR)@l /* turn on MMU */
- mtmsr 6
- sync
- isync
-
- lis 4,LED_ADDR@ha
- addi 4,4,LED_ADDR@l
- li 7,0
- ori 3,3,0x2000
- sthbrx 3,7,4
-
- sync
- mtmsr 5
- isync
- lwz 4,8(1)
- lwz 5,12(1)
- lwz 6,16(1)
- lwz 7,20(1)
-
- lwz 0,36(1)
- mtlr 0
- addi 1,1,32
- blr
-
-/*
- * No processes are runnable, so loop waiting for one.
- * Separate label here for accounting purposes.
- */
-_C_LABEL(idle):
- mfmsr 3
- andi. 3,3,~PSL_EE@l /* disable interrupts while manipulating runque */
- mtmsr 3
-
- lis 8,_C_LABEL(whichqs)@ha
- lwz 9,_C_LABEL(whichqs)@l(8)
-
- or. 9,9,9
- bne- _C_LABEL(sw1) /* at least one queue non-empty */
-
- ori 3,3,PSL_EE /* reenable ints again */
- mtmsr 3
- isync
- sync
- /* low power mode */
- mfmsr 3
- oris 3, 3, PSL_POW@h
- mtmsr 3
- isync
-
-/* May do some power saving here? */
-
- b _C_LABEL(idle)
-
-/*
- * switchexit gets called from cpu_exit to free the user structure
- * and kernel stack of the current process.
- */
-_ENTRY(_C_LABEL(switchexit))
-/* First switch to the idle pcb/kernel stack */
- lis 6,idle_u@ha
- lwz 6,idle_u@l(6)
- lis 7,_C_LABEL(curpcb)@ha
- stw 6,_C_LABEL(curpcb)@l(7)
- addi 1,6,USPACE-16 /* 16 bytes are reserved at stack top */
- /*
- * Schedule the vmspace and stack to be freed (the proc arg is
- * already in r3).
- */
- bl _C_LABEL(exit2)
-
- /* Fall through to cpu_switch to actually select another proc */
- li 3,0 /* indicate exited process */
-
-
-/* Fall through to cpu_switch to actually select another proc */
-
-/*
- * void cpu_switch(struct proc *p)
- * Find a runnable process and switch to it.
- */
-_ENTRY(_C_LABEL(cpu_switch))
- mflr 0 /* save lr */
- stw 0,4(1)
- stwu 1,-16(1)
- stw 31,12(1)
- stw 30,8(1)
-
- mr 30,3
- lis 3,_C_LABEL(curproc)@ha
- xor 31,31,31
- stw 31,_C_LABEL(curproc)@l(3) /* Zero to not accumulate cpu time */
- lis 3,_C_LABEL(curpcb)@ha
- lwz 31,_C_LABEL(curpcb)@l(3)
-
- xor 3,3,3
- bl _C_LABEL(lcsplx)
- stw 3,PCB_SPL(31) /* save spl */
-
-/* Find a new process */
- mfmsr 3
- andi. 3,3,~PSL_EE@l /* disable interrupts while
- manipulating runque */
- mtmsr 3
- isync
-
- lis 8,_C_LABEL(whichqs)@ha
- lwz 9,_C_LABEL(whichqs)@l(8)
-
- or. 9,9,9
- beq- _C_LABEL(idle) /* all queues empty */
-_C_LABEL(sw1):
- cntlzw 10,9
- lis 4,_C_LABEL(qs)@ha
- addi 4,4,_C_LABEL(qs)@l
- slwi 3,10,3
- add 3,3,4 /* select queue */
-
- lwz 31,P_FORW(3) /* unlink first proc from queue */
- lwz 4,P_FORW(31)
- stw 4,P_FORW(3)
- stw 3,P_BACK(4)
-
- cmpl 0,3,4 /* queue empty? */
- bne 1f
-
- lis 3,0x80000000@ha
- srw 3,3,10
- andc 9,9,3
- stw 9,_C_LABEL(whichqs)@l(8) /* mark it empty */
-
-1:
- xor 3,3,3
- lis 4,_C_LABEL(want_resched)@ha
- stw 3,_C_LABEL(want_resched)@l(4) /* just did this resched thing */
-
- stw 3,P_BACK(31) /* probably superfluous */
-
- lis 4,_C_LABEL(curproc)@ha
- stw 31,_C_LABEL(curproc)@l(4) /* record new process */
-
- mfmsr 3
- ori 3,3,PSL_EE /* Now we can interrupt again */
- mtmsr 3
-
- cmpl 0,31,30 /* is it the same process? */
- beq switch_return
-
- or. 30,30,30 /* old process was exiting? */
- beq switch_exited
-
- mfsr 10,USER_SR /* save USER_SR for copyin/copyout */
- mfcr 11 /* save cr */
- mr 12,2 /* save r2 */
- stwu 1,-SFRAMELEN(1) /* still running on old stack */
- stmw 10,8(1)
- lwz 3,P_ADDR(30)
- stw 1,PCB_SP(3) /* save SP */
-
-switch_exited:
- mfmsr 3
- andi. 3,3,~PSL_EE@l /* disable interrupts while actually switching */
- mtmsr 3
-
- lwz 4,P_ADDR(31)
- lis 5,_C_LABEL(curpcb)@ha
- stw 4,_C_LABEL(curpcb)@l(5) /* indicate new pcb */
-
- lwz 5,PCB_PMR(4)
- lis 6,_C_LABEL(curpm)@ha
- stwu 5,_C_LABEL(curpm)@l(6) /* save real pmap pointer for spill fill */
- stwcx. 5,0,6 /* clear possible reservation */
-
- addic. 5,5,64
- li 6,0
- mfsr 8,KERNEL_SR /* save kernel SR */
-1:
- addis 6,6,-0x10000000@ha /* set new procs segment registers */
- or. 6,6,6 /* This is done from the real address pmap */
- lwzu 7,-4(5) /* so we don't have to worry */
- mtsrin 7,6 /* about accessibility */
- bne 1b
- mtsr KERNEL_SR,8 /* restore kernel SR */
- isync
-
- lwz 1,PCB_SP(4) /* get new procs SP */
-
- ori 3,3,PSL_EE /* interrupts are okay again */
- mtmsr 3
-
- lmw 10,8(1) /* get other regs */
- lwz 1,0(1) /* get saved SP */
- mr 2,12 /* get saved r2 */
- mtcr 11 /* get saved cr */
- isync
- mtsr USER_SR,10 /* get saved USER_SR */
- isync
-
-switch_return:
- mr 30,7 /* save proc pointer */
- lwz 3,PCB_SPL(4)
- bl _C_LABEL(lcsplx)
-
- mr 3,30 /* get curproc for special fork returns */
-
- lwz 31,12(1)
- lwz 30,8(1)
- addi 1,1,16
- lwz 0,4(1)
- mtlr 0
- blr
-
-
-/*
- * Data used during primary/secondary traps/interrupts
- */
-#define tempsave 0x2e0 /* primary save area for trap handling */
-#define disisave 0x3e0 /* primary save area for dsi/isi traps */
-#define INTSTK (8*1024) /* 8K interrupt stack */
- .data
-intstk: .space INTSTK /* interrupt stack */
- .global _C_LABEL(intr_depth)
- .type _C_LABEL(intr_depth),@object
-_C_LABEL(intr_depth):
- .long -1 /* in-use marker */
-#define SPILLSTK 1024 /* 1K spill stack */
-.lcomm spillstk,SPILLSTK,8
-
-/*
- * This code gets copied to all the trap vectors
- * (except ISI/DSI, ALI, the interrupts, and possibly the debugging traps
- * when using IPKDB).
- */
- .text
- .globl _C_LABEL(trapcode),_C_LABEL(trapsize)
- .type _C_LABEL(trapcode),@function
- .type _C_LABEL(trapsize),@object
-_C_LABEL(trapcode):
- mtsprg 1,1 /* save SP */
- stmw 28,tempsave(0) /* free r28-r31 */
- mflr 28 /* save LR */
- mfcr 29 /* save CR */
-/* Test whether we already had PR set */
- mfsrr1 31
- mtcr 31
- bc 4,17,1f /* branch if PSL_PR is clear */
- lis 1,_C_LABEL(curpcb)@ha
- lwz 1,_C_LABEL(curpcb)@l(1)
- addi 1,1,USPACE /* stack is top of user struct */
-1:
- bla s_trap
-_C_LABEL(trapsize) = .-_C_LABEL(trapcode)
-
-/*
- * For ALI: has to save DSISR and DAR
- */
- .globl _C_LABEL(alitrap),_C_LABEL(alisize)
-_C_LABEL(alitrap):
- mtsprg 1,1 /* save SP */
- stmw 28,tempsave(0) /* free r28-r31 */
- mfdar 30
- mfdsisr 31
- stmw 30,tempsave+16(0)
- mflr 28 /* save LR */
- mfcr 29 /* save CR */
-/* Test whether we already had PR set */
- mfsrr1 31
- mtcr 31
- bc 4,17,1f /* branch if PSL_PR is clear */
- lis 1,_C_LABEL(curpcb)@ha
- lwz 1,_C_LABEL(curpcb)@l(1)
- addi 1,1,USPACE /* stack is top of user struct */
-1:
- bla s_trap
-_C_LABEL(alisize) = .-_C_LABEL(alitrap)
-
-/*
- * Similar to the above for DSI
- * Has to handle BAT spills
- * and standard pagetable spills
- */
- .globl _C_LABEL(dsitrap),_C_LABEL(dsisize)
- .type _C_LABEL(dsitrap),@function
- .type _C_LABEL(dsisize),@object
-_C_LABEL(dsitrap):
- stmw 28,disisave(0) /* free r28-r31 */
- mfcr 29 /* save CR */
- mfxer 30 /* save XER */
- mtsprg 2,30 /* in SPRG2 */
- mfsrr1 31 /* test kernel mode */
- mtcr 31
- bc 12,17,1f /* branch if PSL_PR is set */
- mfdar 31 /* get fault address */
- rlwinm 31,31,7,25,28 /* get segment * 8 */
- addis 31,31,_C_LABEL(battable)@ha
- lwz 30,_C_LABEL(battable)@l(31) /* get batu */
- mtcr 30
- bc 4,30,1f /* branch if supervisor valid is false */
- lwz 31,_C_LABEL(battable)+4@l(31) /* get batl */
-/* We randomly use the highest two bat registers here */
- mftb 28
- andi. 28,28,1
- bne 2f
- mtdbatu 2,30
- mtdbatl 2,31
- b 3f
-2:
- mtdbatu 3,30
- mtdbatl 3,31
-3:
- mfsprg 30,2 /* restore XER */
- mtxer 30
- mtcr 29 /* restore CR */
- lmw 28,disisave(0) /* restore r28-r31 */
- rfi /* return to trapped code */
-1:
- mflr 28 /* save LR */
- bla s_dsitrap
-_C_LABEL(dsisize) = .-_C_LABEL(dsitrap)
-
-/*
- * Similar to the above for ISI
- */
- .globl _C_LABEL(isitrap),_C_LABEL(isisize)
- .type _C_LABEL(isitrap),@function
- .type _C_LABEL(isisize),@object
-_C_LABEL(isitrap):
- stmw 28,disisave(0) /* free r28-r31 */
- mflr 28 /* save LR */
- mfcr 29 /* save CR */
- mfsrr1 31 /* test kernel mode */
- mtcr 31
- bc 12,17,1f /* branch if PSL_PR is set */
- mfsrr0 31 /* get fault address */
- rlwinm 31,31,7,25,28 /* get segment * 8 */
- addis 31,31,_C_LABEL(battable)@ha
- lwz 30,_C_LABEL(battable)@l(31) /* get batu */
- mtcr 30
- bc 4,30,1f /* branch if supervisor valid is false */
- mtibatu 3,30
- lwz 30,_C_LABEL(battable)+4@l(31) /* get batl */
- mtibatl 3,30
- mtcr 29 /* restore CR */
- lmw 28,disisave(0) /* restore r28-r31 */
- rfi /* return to trapped code */
-1:
- bla s_isitrap
-_C_LABEL(isisize) = .-_C_LABEL(isitrap)
-
-/*
- * This one for the external interrupt handler.
- */
- .globl _C_LABEL(extint),_C_LABEL(extsize)
- .type _C_LABEL(extint),@function
- .type _C_LABEL(extsize),@object
-_C_LABEL(extint):
- mtsprg 1,1 /* save SP */
- stmw 28,tempsave(0) /* free r28-r31 */
- mflr 28 /* save LR */
- mfcr 29 /* save CR */
- mfxer 30 /* save XER */
- lis 1,intstk+INTSTK@ha /* get interrupt stack */
- addi 1,1,intstk+INTSTK@l
- lwz 31,0(1) /* were we already running on intstk? */
- addic. 31,31,1
- stw 31,0(1)
- beq 1f
- mfsprg 1,1 /* yes, get old SP */
-1:
- ba extintr
-_C_LABEL(extsize) = .-_C_LABEL(extint)
-
-/*
- * And this one for the decrementer interrupt handler.
- */
- .globl _C_LABEL(decrint),_C_LABEL(decrsize)
- .type _C_LABEL(decrint),@function
- .type _C_LABEL(decrsize),@object
-_C_LABEL(decrint):
- mtsprg 1,1 /* save SP */
- stmw 28,tempsave(0) /* free r28-r31 */
- mflr 28 /* save LR */
- mfcr 29 /* save CR */
- mfxer 30 /* save XER */
- lis 1,intstk+INTSTK@ha /* get interrupt stack */
- addi 1,1,intstk+INTSTK@l
- lwz 31,0(1) /* were we already running on intstk? */
- addic. 31,31,1
- stw 31,0(1)
- beq 1f
- mfsprg 1,1 /* yes, get old SP */
-1:
- ba decrintr
-_C_LABEL(decrsize) = .-_C_LABEL(decrint)
-
-/*
- * Now the tlb software load for 603 processors:
- * (Code essentially from the 603e User Manual, Chapter 5)
- */
-#define DMISS 976
-#define DCMP 977
-#define HASH1 978
-#define HASH2 979
-#define IMISS 980
-#define ICMP 981
-#define RPA 982
-
-#define bdneq bdnzf 2,
-#define tlbli .long 0x7c0007e4+0x800*
-#define tlbld .long 0x7c0007a4+0x800*
-
- .globl _C_LABEL(tlbimiss),_C_LABEL(tlbimsize)
- .type _C_LABEL(tlbimiss),@function
- .type _C_LABEL(tlbimsize),@object
-_C_LABEL(tlbimiss):
- mfspr 2,HASH1 /* get first pointer */
- li 1,8
- mfctr 0 /* save counter */
- mfspr 3,ICMP /* get first compare value */
- addi 2,2,-8 /* predec pointer */
-1:
- mtctr 1 /* load counter */
-2:
- lwzu 1,8(2) /* get next pte */
- cmpl 0,1,3 /* see if found pte */
- bdneq 2b /* loop if not eq */
- bne 3f /* not found */
- lwz 1,4(2) /* load tlb entry lower word */
- andi. 3,1,8 /* check G-bit */
- bne 4f /* if guarded, take ISI */
- mtctr 0 /* restore counter */
- mfspr 0,IMISS /* get the miss address for the tlbli */
- mfsrr1 3 /* get the saved cr0 bits */
- mtcrf 0x80,3 /* and restore */
- ori 1,1,0x100 /* set the reference bit */
- mtspr RPA,1 /* set the pte */
- srwi 1,1,8 /* get byte 7 of pte */
- tlbli 0 /* load the itlb */
- stb 1,6(2) /* update page table */
- rfi
-
-3: /* not found in pteg */
- andi. 1,3,0x40 /* have we already done second hash? */
- bne 5f
- mfspr 2,HASH2 /* get the second pointer */
- ori 3,3,0x40 /* change the compare value */
- li 1,8
- addi 2,2,-8 /* predec pointer */
- b 1b
-4: /* guarded */
- mfsrr1 3
- andi. 2,3,0xffff /* clean upper srr1 */
- addis 2,2,0x800 /* set srr<4> to flag prot violation */
- b 6f
-5: /* not found anywhere */
- mfsrr1 3
- andi. 2,3,0xffff /* clean upper srr1 */
- addis 2,2,0x4000 /* set srr1<1> to flag pte not found */
-6:
- mtctr 0 /* restore counter */
- mtsrr1 2
- mfmsr 0
- xoris 0,0,2 /* flip the msr<tgpr> bit */
- mtcrf 0x80,3 /* restore cr0 */
- mtmsr 0 /* now with native gprs */
- isync
- ba EXC_ISI
-_C_LABEL(tlbimsize) = .-_C_LABEL(tlbimiss)
-
- .globl _C_LABEL(tlbdlmiss),_C_LABEL(tlbdlmsize)
- .type _C_LABEL(tlbdlmiss),@function
- .type _C_LABEL(tlbdlmsize),@object
-_C_LABEL(tlbdlmiss):
- mfspr 2,HASH1 /* get first pointer */
- li 1,8
- mfctr 0 /* save counter */
- mfspr 3,DCMP /* get first compare value */
- addi 2,2,-8 /* predec pointer */
-1:
- mtctr 1 /* load counter */
-2:
- lwzu 1,8(2) /* get next pte */
- cmpl 0,1,3 /* see if found pte */
- bdneq 2b /* loop if not eq */
- bne 3f /* not found */
- lwz 1,4(2) /* load tlb entry lower word */
- mtctr 0 /* restore counter */
- mfspr 0,DMISS /* get the miss address for the tlbld */
- mfsrr1 3 /* get the saved cr0 bits */
- mtcrf 0x80,3 /* and restore */
- ori 1,1,0x100 /* set the reference bit */
- mtspr RPA,1 /* set the pte */
- srwi 1,1,8 /* get byte 7 of pte */
- tlbld 0 /* load the dtlb */
- stb 1,6(2) /* update page table */
- rfi
-
-3: /* not found in pteg */
- andi. 1,3,0x40 /* have we already done second hash? */
- bne 5f
- mfspr 2,HASH2 /* get the second pointer */
- ori 3,3,0x40 /* change the compare value */
- li 1,8
- addi 2,2,-8 /* predec pointer */
- b 1b
-5: /* not found anywhere */
- mfsrr1 3
- lis 1,0x4000 /* set dsisr<1> to flag pte not found */
- mtctr 0 /* restore counter */
- andi. 2,3,0xffff /* clean upper srr1 */
- mtsrr1 2
- mtdsisr 1 /* load the dsisr */
- mfspr 1,DMISS /* get the miss address */
- mtdar 1 /* put in dar */
- mfmsr 0
- xoris 0,0,2 /* flip the msr<tgpr> bit */
- mtcrf 0x80,3 /* restore cr0 */
- mtmsr 0 /* now with native gprs */
- isync
- ba EXC_DSI
-_C_LABEL(tlbdlmsize) = .-_C_LABEL(tlbdlmiss)
-
- .globl _C_LABEL(tlbdsmiss),_C_LABEL(tlbdsmsize)
- .type _C_LABEL(tlbdsmiss),@function
- .type _C_LABEL(tlbdsmsize),@object
-_C_LABEL(tlbdsmiss):
- mfspr 2,HASH1 /* get first pointer */
- li 1,8
- mfctr 0 /* save counter */
- mfspr 3,DCMP /* get first compare value */
- addi 2,2,-8 /* predec pointer */
-1:
- mtctr 1 /* load counter */
-2:
- lwzu 1,8(2) /* get next pte */
- cmpl 0,1,3 /* see if found pte */
- bdneq 2b /* loop if not eq */
- bne 3f /* not found */
- lwz 1,4(2) /* load tlb entry lower word */
- andi. 3,1,0x80 /* check the C-bit */
- beq 4f
-5:
- mtctr 0 /* restore counter */
- mfspr 0,DMISS /* get the miss address for the tlbld */
- mfsrr1 3 /* get the saved cr0 bits */
- mtcrf 0x80,3 /* and restore */
- mtspr RPA,1 /* set the pte */
- tlbld 0 /* load the dtlb */
- rfi
-
-3: /* not found in pteg */
- andi. 1,3,0x40 /* have we already done second hash? */
- bne 5f
- mfspr 2,HASH2 /* get the second pointer */
- ori 3,3,0x40 /* change the compare value */
- li 1,8
- addi 2,2,-8 /* predec pointer */
- b 1b
-4: /* found, but C-bit = 0 */
- rlwinm. 3,1,30,0,1 /* test PP */
- bge- 7f
- andi. 3,1,1
- beq+ 8f
-9: /* found, but protection violation (PP==00)*/
- mfsrr1 3
- lis 1,0xa00 /* indicate protection violation on store */
- b 1f
-7: /* found, PP=1x */
- mfspr 3,DMISS /* get the miss address */
- mfsrin 1,3 /* get the segment register */
- mfsrr1 3
- rlwinm 3,3,18,31,31 /* get PR-bit */
- rlwnm. 2,2,3,1,1 /* get the key */
- bne- 9b /* protection violation */
-8: /* found, set reference/change bits */
- lwz 1,4(2) /* reload tlb entry */
- ori 1,1,0x180
- sth 1,6(2)
- b 5b
-5: /* not found anywhere */
- mfsrr1 3
- lis 1,0x4200 /* set dsisr<1> to flag pte not found */
- /* dsisr<6> to flag store */
-1:
- mtctr 0 /* restore counter */
- andi. 2,3,0xffff /* clean upper srr1 */
- mtsrr1 2
- mtdsisr 1 /* load the dsisr */
- mfspr 1,DMISS /* get the miss address */
- mtdar 1 /* put in dar */
- mfmsr 0
- xoris 0,0,2 /* flip the msr<tgpr> bit */
- mtcrf 0x80,3 /* restore cr0 */
- mtmsr 0 /* now with native gprs */
- isync
- ba EXC_DSI
-_C_LABEL(tlbdsmsize) = .-_C_LABEL(tlbdsmiss)
-
-#ifdef DDB
-#define ddbsave 0xde0 /* primary save area for DDB */
-/*
- * In case of DDB we want a separate trap catcher for it
- */
- .local ddbstk
- .comm ddbstk,INTSTK,8 /* ddb stack */
-
- .globl _C_LABEL(ddblow),_C_LABEL(ddbsize)
-_C_LABEL(ddblow):
- mtsprg 1,1 /* save SP */
- stmw 28,ddbsave(0) /* free r28-r31 */
- mflr 28 /* save LR */
- mfcr 29 /* save CR */
- lis 1,ddbstk+INTSTK@ha /* get new SP */
- addi 1,1,ddbstk+INTSTK@l
- bla ddbtrap
-_C_LABEL(ddbsize) = .-_C_LABEL(ddblow)
-#endif /* DDB */
-
-
-#if NIPKDB > 0
-#define ipkdbsave 0xde0 /* primary save area for IPKDB */
-/*
- * In case of IPKDB we want a separate trap catcher for it
- */
-.lcomm ipkdbstk,INTSTK /* ipkdb stack */
-
- .globl _C_LABEL(ipkdblow),_C_LABEL(ipkdbsize)
- .type _C_LABEL(ipkdblow),@function
- .type _C_LABEL(ipkdbsize),@object
-_C_LABEL(ipkdblow):
- mtsprg 1,1 /* save SP */
- stmw 28,ipkdbsave(0) /* free r28-r31 */
- lis 1,ipkdbstk+INTSTK@ha /* get new SP */
- addi 1,1,ipkdbstk+INTSTK@l
- mflr 28
- mfcr 29
- bla ipkdbtrap
-_C_LABEL(ipkdbsize) = .-_C_LABEL(ipkdblow)
-#endif /* NIPKDB > 0 */
-
-/*
- * FRAME_SETUP assumes:
- * SPRG1 SP (1)
- * savearea r28-r31,DAR,DSISR (DAR & DSISR only for DSI traps)
- * 28 LR
- * 29 CR
- * 1 kernel stack
- * LR trap type
- * SRR0/1 as at start of trap
- */
-#define FRAME_SETUP(savearea) \
-/* Have to enable translation to allow access of kernel stack: */ \
- mfsrr0 30; \
- mfsrr1 31; \
- stmw 30,savearea+24(0); \
- mfmsr 30; \
- ori 30,30,(PSL_DR|PSL_IR); \
- mtmsr 30; \
- isync; \
- mfsprg 31,1; \
- stwu 31,-FRAMELEN(1); \
- stw 0,FRAME_0+8(1); \
- stw 31,FRAME_1+8(1); \
- stw 28,FRAME_LR+8(1); \
- stw 29,FRAME_CR+8(1); \
- lmw 28,savearea(0); \
- stmw 2,FRAME_2+8(1); \
- lmw 28,savearea+16(0); \
- mfxer 3; \
- mfctr 4; \
- mflr 5; \
- andi. 5,5,0xff00; \
- stw 3,FRAME_XER+8(1); \
- stw 4,FRAME_CTR+8(1); \
- stw 5,FRAME_EXC+8(1); \
- stw 28,FRAME_DAR+8(1); \
- stw 29,FRAME_DSISR+8(1); \
- stw 30,FRAME_SRR0+8(1); \
- stw 31,FRAME_SRR1+8(1)
-
-#define FRAME_LEAVE(savearea) \
-/* Now restore regs: */ \
- lwz 2,FRAME_SRR0+8(1); \
- lwz 3,FRAME_SRR1+8(1); \
- lwz 4,FRAME_CTR+8(1); \
- lwz 5,FRAME_XER+8(1); \
- lwz 6,FRAME_LR+8(1); \
- lwz 7,FRAME_CR+8(1); \
- stw 2,savearea(0); \
- stw 3,savearea+4(0); \
- mtctr 4; \
- mtxer 5; \
- mtlr 6; \
- mtsprg 1,7; /* save cr */ \
- lmw 2,FRAME_2+8(1); \
- lwz 0,FRAME_0+8(1); \
- lwz 1,FRAME_1+8(1); \
- mtsprg 2,2; /* save r2 & r3 */ \
- mtsprg 3,3; \
-/* Disable translation, machine check and recoverability: */ \
- mfmsr 2; \
- lis 3,(PSL_DR|PSL_IR|PSL_ME|PSL_RI)@ha; \
- addi 3,3,(PSL_DR|PSL_IR|PSL_ME|PSL_RI)@l; \
- andc 2,2,3; \
- mtmsr 2; \
- isync; \
-/* Decide whether we return to user mode: */ \
- lwz 3,savearea+4(0); \
- mtcr 3; \
- bc 4,17,1f; /* branch if PSL_PR is false */ \
-/* Restore user & kernel access SR: */ \
- lis 2,_C_LABEL(curpm)@ha; /* get real address of pmap */ \
- lwz 2,_C_LABEL(curpm)@l(2); \
- lwz 3,PM_USRSR(2); \
- mtsr USER_SR,3; \
- lwz 3,PM_KERNELSR(2); \
- mtsr KERNEL_SR,3; \
-1: mfsprg 2,1; /* restore cr */ \
- mtcr 2; \
- lwz 2,savearea(0); \
- lwz 3,savearea+4(0); \
- mtsrr0 2; \
- mtsrr1 3; \
- mfsprg 2,2; /* restore r2 & r3 */ \
- mfsprg 3,3
-
-/*
- * Preamble code for DSI/ISI traps
- */
-disitrap:
- lmw 30,disisave(0)
- stmw 30,tempsave(0)
- lmw 30,disisave+8(0)
- stmw 30,tempsave+8(0)
- mfdar 30
- mfdsisr 31
- stmw 30,tempsave+16(0)
-realtrap:
-/* Test whether we already had PR set */
- mfsrr1 1
- mtcr 1
- mfsprg 1,1 /* restore SP (might have been overwritten) */
- bc 4,17,s_trap /* branch if PSL_PR is false */
- lis 1,_C_LABEL(curpcb)@ha
- lwz 1,_C_LABEL(curpcb)@l(1)
- addi 1,1,USPACE /* stack is top of user struct */
-/*
- * Now the common trap catching code.
- */
-s_trap:
-/* First have to enable KERNEL mapping */
- lis 31,KERNEL_SEGMENT@ha
- addi 31,31,KERNEL_SEGMENT@l
- mtsr KERNEL_SR,31
- FRAME_SETUP(tempsave)
-/* Now we can recover interrupts again: */
- mfmsr 7
- ori 7,7,(PSL_EE|PSL_ME|PSL_RI)
- mtmsr 7
- isync
-/* Call C trap code: */
-trapagain:
- addi 3,1,8
- bl _C_LABEL(trap)
-trapexit:
-/* Disable interrupts: */
- mfmsr 3
- andi. 3,3,~PSL_EE@l
- mtmsr 3
-/* Test AST pending: */
- lwz 5,FRAME_SRR1+8(1)
- mtcr 5
- bc 4,17,1f /* branch if PSL_PR is false */
- lis 3,_C_LABEL(astpending)@ha
- lwz 4,_C_LABEL(astpending)@l(3)
- andi. 4,4,1
- beq 1f
- li 6,EXC_AST
- stw 6,FRAME_EXC+8(1)
- b trapagain
-1:
- FRAME_LEAVE(tempsave)
- rfi
-
-/*
- * Child comes here at the end of a fork.
- * Mostly similar to the above.
- */
- .globl _C_LABEL(fork_trampoline)
- .type _C_LABEL(fork_trampoline),@function
-_C_LABEL(fork_trampoline):
- xor 3,3,3
- bl _C_LABEL(lcsplx)
- mtlr 31
- mr 3,30
- blrl /* jump indirect to r31 */
- b trapexit
-
-/*
- * DSI second stage fault handler
- */
-s_dsitrap:
- mfdsisr 31 /* test whether this may be a spill fault */
- mtcr 31
- mtsprg 1,1 /* save SP */
- bc 4,1,disitrap /* branch if table miss is false */
- lis 1,spillstk+SPILLSTK@ha
- addi 1,1,spillstk+SPILLSTK@l /* get spill stack */
- stwu 1,-52(1)
- stw 0,48(1) /* save non-volatile registers */
- stw 3,44(1)
- stw 4,40(1)
- stw 5,36(1)
- stw 6,32(1)
- stw 7,28(1)
- stw 8,24(1)
- stw 9,20(1)
- stw 10,16(1)
- stw 11,12(1)
- stw 12,8(1)
- mflr 30 /* save trap type */
- mfctr 31 /* & CTR */
- mfdar 3
-s_pte_spill:
- bl _C_LABEL(pte_spill) /* try a spill */
- or. 3,3,3
- mtctr 31 /* restore CTR */
- mtlr 30 /* and trap type */
- mfsprg 31,2 /* get saved XER */
- mtxer 31 /* restore XER */
- lwz 12,8(1) /* restore non-volatile registers */
- lwz 11,12(1)
- lwz 10,16(1)
- lwz 9,20(1)
- lwz 8,24(1)
- lwz 7,28(1)
- lwz 6,32(1)
- lwz 5,36(1)
- lwz 4,40(1)
- lwz 3,44(1)
- lwz 0,48(1)
- beq disitrap
- mfsprg 1,1 /* restore SP */
- mtcr 29 /* restore CR */
- mtlr 28 /* restore LR */
- lmw 28,disisave(0) /* restore r28-r31 */
- rfi /* return to trapped code */
-
-/*
- * ISI second stage fault handler
- */
-s_isitrap:
- mfsrr1 31 /* test whether this may be a spill fault */
- mtcr 31
- mtsprg 1,1 /* save SP */
- bc 4,1,disitrap /* branch if table miss is false */
- lis 1,spillstk+SPILLSTK@ha
- addi 1,1,spillstk+SPILLSTK@l /* get spill stack */
- stwu 1,-52(1)
- stw 0,48(1) /* save non-volatile registers */
- stw 3,44(1)
- stw 4,40(1)
- stw 5,36(1)
- stw 6,32(1)
- stw 7,28(1)
- stw 8,24(1)
- stw 9,20(1)
- stw 10,16(1)
- stw 11,12(1)
- stw 12,8(1)
- mfxer 30 /* save XER */
- mtsprg 2,30
- mflr 30 /* save trap type */
- mfctr 31 /* & ctr */
- mfsrr0 3
- b s_pte_spill /* above */
-
-/*
- * External interrupt second level handler
- */
-#define INTRENTER \
-/* Save non-volatile registers: */ \
- stwu 1,-88(1); /* temporarily */ \
- stw 0,84(1); \
- mfsprg 0,1; /* get original SP */ \
- stw 0,0(1); /* and store it */ \
- stw 3,80(1); \
- stw 4,76(1); \
- stw 5,72(1); \
- stw 6,68(1); \
- stw 7,64(1); \
- stw 8,60(1); \
- stw 9,56(1); \
- stw 10,52(1); \
- stw 11,48(1); \
- stw 12,44(1); \
- stw 28,40(1); /* saved LR */ \
- stw 29,36(1); /* saved CR */ \
- stw 30,32(1); /* saved XER */ \
- lmw 28,tempsave(0); /* restore r28-r31 */ \
- mfctr 6; \
- lis 5,_C_LABEL(intr_depth)@ha; \
- lwz 5,_C_LABEL(intr_depth)@l(5); \
- mfsrr0 4; \
- mfsrr1 3; \
- stw 6,28(1); \
- stw 5,20(1); \
- stw 4,12(1); \
- stw 3,8(1); \
-/* interrupts are recoverable here, and enable translation */ \
- lis 3,(KERNEL_SEGMENT|SR_SUKEY|SR_PRKEY)@ha; \
- addi 3,3,(KERNEL_SEGMENT|SR_SUKEY|SR_PRKEY)@l; \
- mtsr KERNEL_SR,3; \
- mfmsr 5; \
- ori 5,5,(PSL_IR|PSL_DR|PSL_RI); \
- mtmsr 5; \
- isync
-
- .globl _C_LABEL(extint_call)
- .type _C_LABEL(extint_call),@function
-extintr:
- INTRENTER
-_C_LABEL(extint_call):
- bl _C_LABEL(extint_call) /* to be filled in later */
-intr_exit:
-/* Disable interrupts (should already be disabled) and MMU here: */
- mfmsr 3
- andi. 3,3,~(PSL_EE|PSL_ME|PSL_RI|PSL_DR|PSL_IR)@l
- mtmsr 3
- isync
-/* restore possibly overwritten registers: */
- lwz 12,44(1)
- lwz 11,48(1)
- lwz 10,52(1)
- lwz 9,56(1)
- lwz 8,60(1)
- lwz 7,64(1)
- lwz 6,8(1)
- lwz 5,12(1)
- lwz 4,28(1)
- lwz 3,32(1)
- mtsrr1 6
- mtsrr0 5
- mtctr 4
- mtxer 3
-/* Returning to user mode? */
- mtcr 6 /* saved SRR1 */
- bc 4,17,1f /* branch if PSL_PR is false */
- lis 3,_C_LABEL(curpm)@ha /* get current pmap real address */
- lwz 3,_C_LABEL(curpm)@l(3)
- lwz 3,PM_KERNELSR(3)
- mtsr KERNEL_SR,3 /* Restore kernel SR */
- lis 3,_C_LABEL(astpending)@ha /* Test AST pending */
- lwz 4,_C_LABEL(astpending)@l(3)
- andi. 4,4,1
- beq 1f
-/* Setup for entry to realtrap: */
- lwz 3,0(1) /* get saved SP */
- mtsprg 1,3
- li 6,EXC_AST
- stmw 28,tempsave(0) /* establish tempsave again */
- mtlr 6
- lwz 28,40(1) /* saved LR */
- lwz 29,36(1) /* saved CR */
- lwz 6,68(1)
- lwz 5,72(1)
- lwz 4,76(1)
- lwz 3,80(1)
- lwz 0,84(1)
- lis 30,_C_LABEL(intr_depth)@ha /* adjust reentrancy count */
- lwz 31,_C_LABEL(intr_depth)@l(30)
- addi 31,31,-1
- stw 31,_C_LABEL(intr_depth)@l(30)
- b realtrap
-1:
-/* Here is the normal exit of extintr: */
- lwz 5,36(1)
- lwz 6,40(1)
- mtcr 5
- mtlr 6
- lwz 6,68(1)
- lwz 5,72(1)
- lis 3,_C_LABEL(intr_depth)@ha /* adjust reentrancy count */
- lwz 4,_C_LABEL(intr_depth)@l(3)
- addi 4,4,-1
- stw 4,_C_LABEL(intr_depth)@l(3)
- lwz 4,76(1)
- lwz 3,80(1)
- lwz 0,84(1)
- lwz 1,0(1)
- rfi
-
-/*
- * Decrementer interrupt second level handler
- */
-decrintr:
- INTRENTER
- addi 3,1,8 /* intr frame */
- bl _C_LABEL(decr_intr)
- b intr_exit
-
-#if NIPKDB > 0
-/*
- * Deliberate entry to ipkdbtrap
- */
- .globl _C_LABEL(ipkdb_trap)
- .type _C_LABEL(ipkdb_trap),@function
-_C_LABEL(ipkdb_trap):
-
- mtsprg 2,2
- mfmsr 3
- mtsrr1 3
- andi. 3,3,~(PSL_EE|PSL_ME)@l
- mtmsr 3 /* disable interrupts */
- isync
- stmw 28,ipkdbsave(0)
- mflr 28
- li 29,EXC_BPT
- mtlr 29
- mfcr 29
- mtsrr0 28
-
-/*
- * Now the ipkdb trap catching code.
- */
-ipkdbtrap:
- FRAME_SETUP(ipkdbsave)
-/* Call C trap code: */
- addi 3,1,8
- bl _C_LABEL(ipkdb_trap_glue)
- or. 3,3,3
- bne ipkdbleave
-/* This wasn't for IPKDB, so switch to real trap: */
- lwz 3,FRAME_EXC+8(1) /* save exception */
- stw 3,ipkdbsave+8(0)
- FRAME_LEAVE(ipkdbsave)
- mtsprg 1,1 /* prepare for entrance to realtrap */
- stmw 28,tempsave(0)
- mflr 28
- mfcr 29
- lwz 31,ipkdbsave+8(0)
- mtlr 31
- b realtrap
-ipkdbleave:
- FRAME_LEAVE(ipkdbsave)
- rfi
-
-ipkdbfault:
- ba _C_LABEL(ipkdbfault)
-_C_LABEL(ipkdbfault):
- mfsrr0 3
- addi 3,3,4
- mtsrr0 3
- li 3,-1
- rfi
-
-/*
- * int ipkdbfbyte(unsigned char *p)
- */
- .globl _C_LABEL(ipkdbfbyte)
- .type _C_LABEL(ipkdbfbyte),@function
-_C_LABEL(ipkdbfbyte):
- li 9,EXC_DSI /* establish new fault routine */
- lwz 5,0(9)
- lis 6,ipkdbfault@ha
- lwz 6,ipkdbfault@l(6)
- stw 6,0(9)
-#ifdef IPKDBUSERHACK
- lis 8,_C_LABEL(ipkdbsr)@ha
- lwz 8,_C_LABEL(ipkdbsr)@l(8)
- mtsr USER_SR,8
- isync
-#endif
- dcbst 0,9 /* flush data... */
- sync
- icbi 0,9 /* and instruction caches */
- lbz 3,0(3) /* fetch data */
- stw 5,0(9) /* restore previous fault handler */
- dcbst 0,9 /* and flush data... */
- sync
- icbi 0,9 /* and instruction caches */
- blr
-
-/*
- * int ipkdbsbyte(unsigned char *p, int c)
- */
- .globl _C_LABEL(ipkdbsbyte)
- .type _C_LABEL(ipkdbsbyte),@function
-_C_LABEL(ipkdbsbyte):
- li 9,EXC_DSI /* establish new fault routine */
- lwz 5,0(9)
- lis 6,ipkdbfault@ha
- lwz 6,ipkdbfault@l(6)
- stw 6,0(9)
-#ifdef IPKDBUSERHACK
- lis 8,_C_LABEL(ipkdbsr)@ha
- lwz 8,_C_LABEL(ipkdbsr)@l(8)
- mtsr USER_SR,8
- isync
-#endif
- dcbst 0,9 /* flush data... */
- sync
- icbi 0,9 /* and instruction caches */
- mr 6,3
- xor 3,3,3
- stb 4,0(6)
- dcbst 0,6 /* Now do appropriate flushes to data... */
- sync
- icbi 0,6 /* and instruction caches */
- stw 5,0(9) /* restore previous fault handler */
- dcbst 0,9 /* and flush data... */
- sync
- icbi 0,9 /* and instruction caches */
- blr
-#endif /* NIPKDB > 0 */
-
-/*
- * 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 _C_LABEL(setfault)
- .type _C_LABEL(setfault),@function
-_C_LABEL(setfault):
- mflr 0
- mfcr 12
- mfmsr 2
- lis 4,_C_LABEL(curpcb)@ha
- lwz 4,_C_LABEL(curpcb)@l(4)
- stw 3,PCB_FAULT(4)
- stw 0,0(3)
- stw 2,4(3)
- stw 1,8(3)
- stmw 12,12(3)
- xor 3,3,3
- blr
-
-/*
- * The following code gets copied to the top of the user stack on process
- * execution. It does signal trampolining on signal delivery.
- *
- * On entry r1 points to a struct sigframe at bottom of current stack.
- * All other registers are unchanged.
- */
- .globl _C_LABEL(sigcode),_C_LABEL(esigcode)
- .type _C_LABEL(sigcode),@function
- .type _C_LABEL(esigcode),@function
-_C_LABEL(sigcode):
- addi 1,1,-16 /* reserved space for callee */
- blrl
- addi 3,1,16+8 /* compute &sf_sc */
- li 0,SYS_sigreturn
- sc /* sigreturn(scp) */
- li 0,SYS_exit
- sc /* exit(errno) */
-_C_LABEL(esigcode):
-
-
-
- .data
- .globl _C_LABEL(intrnames)
- .type _C_LABEL(intrnames),@object
- .globl _C_LABEL(eintrnames)
- .type _C_LABEL(eintrnames),@object
-_C_LABEL(intrnames):
- .string "irq0" "irq1" "irq2" "irq3"
- .string "irq4" "irq5" "irq6" "irq7"
- .string "irq8" "irq9" "irq10" "irq11"
- .string "irq12" "irq13" "irq14" "irq15"
- .string "irq16" "irq17" "irq18" "irq19"
- .string "irq20" "irq21" "irq22" "irq23"
- .string "irq24" "irq25" "irq26" "irq27"
- .string "irq28" "irq29" "irq30" "irq31"
- .string "irq32" "irq33" "irq34" "irq35"
- .string "irq36" "irq37" "irq38" "irq39"
- .string "irq40" "irq41" "irq42" "irq43"
- .string "irq44" "irq45" "irq46" "irq47"
- .string "irq48" "irq49" "irq50" "irq51"
- .string "irq52" "irq53" "irq54" "irq55"
- .string "irq56" "irq57" "irq58" "irq59"
- .string "irq60" "irq61" "irq62" "irq63"
- .string "clock"
- .space 512
-_C_LABEL(eintrnames):
- .align 4
- .globl _C_LABEL(intrcnt)
- .type _C_LABEL(intrcnt),@object
- .globl _C_LABEL(eintrcnt)
- .type _C_LABEL(eintrcnt),@object
-_C_LABEL(intrcnt):
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0,0,0,0
- .long 0
-_C_LABEL(eintrcnt):
-
-#ifdef DDB
-/*
- * Deliberate entry to ddbtrap
- */
- .globl _C_LABEL(ddb_trap)
-_C_LABEL(ddb_trap):
- mtsprg 1,1
- mfmsr 3
- mtsrr1 3
- andi. 3,3,~(PSL_EE|PSL_ME)@l
- mtmsr 3 /* disable interrupts */
- isync
- stmw 28,ddbsave(0)
- mflr 28
- li 29,EXC_BPT
- mtlr 29
- mfcr 29
- mtsrr0 28
-
-/*
- * Now the ddb trap catching code.
- */
-ddbtrap:
- FRAME_SETUP(ddbsave)
-/* Call C trap code: */
- addi 3,1,8
- bl _C_LABEL(ddb_trap_glue)
- or. 3,3,3
- bne ddbleave
-/* This wasn't for DDB, so switch to real trap: */
- lwz 3,FRAME_EXC+8(1) /* save exception */
- stw 3,ddbsave+8(0)
- FRAME_LEAVE(ddbsave)
- mtsprg 1,1 /* prepare for entrance to realtrap */
- stmw 28,tempsave(0)
- mflr 28
- mfcr 29
- lwz 31,ddbsave+8(0)
- mtlr 31
- b realtrap
-ddbleave:
- FRAME_LEAVE(ddbsave)
- rfi
-#endif /* DDB */
-
diff --git a/sys/arch/powerpc/powerpc/ofwreal.S b/sys/arch/powerpc/powerpc/ofwreal.S
deleted file mode 100644
index 01fa1f42452..00000000000
--- a/sys/arch/powerpc/powerpc/ofwreal.S
+++ /dev/null
@@ -1,450 +0,0 @@
-/* $OpenBSD: ofwreal.S,v 1.5 1999/07/05 20:56:26 rahnds Exp $ */
-/* $NetBSD: ofwreal.S,v 1.1 1996/09/30 16:34:51 ws Exp $ */
-
-/*
- * Copyright (C) 1996 Wolfgang Solfrank.
- * Copyright (C) 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.
- */
-
-/*
- * This file provides a real-mode client interface on machines, that
- * (incorrectly) only implement virtual mode client interface.
- *
- * It assumes though, that any actual memory in the machine is
- * mapped 1:1 even by the virtual mode OpenFirmware.
- * Furthermore it assumes that addresses returned by OpenFirmware are not
- * accessed by the client.
- *
- */
-#include <machine/asm.h>
-#include <machine/psl.h>
-#include <machine/trap.h>
-#include <machine/param.h>
-
-#define CACHELINE 32 /* Note that this value is really hardwired */
-
- .data
-ofentry: .long 0 /* actual entry to firmware in virtual mode */
-
-#define SRSIZE (16*4+4)
-#define SPRGSIZE (4*4)
-#define SDR1SIZE 4
-#define MSRSIZE 4
-#define SVSIZE (SRSIZE+SPRGSIZE+SDR1SIZE+MSRSIZE)
-#define BATSIZE (16*4)
-
- .global _C_LABEL(fwcall)
-_C_LABEL(fwcall): .long 0
-
-.lcomm fwsave,SVSIZE,8
-.lcomm fwbatsave,BATSIZE,8
-.lcomm clsave,SVSIZE,8
-.lcomm clbatsave,BATSIZE,8
-.lcomm ofsrsave,16*4,4 /* 16 words of 4 bytes to store OF segment registers */
-.lcomm srsave,16*4,4 /* 16 words of 4 bytes to swap OF segment registers*/
- .globl _C_LABEL(ofmsr)
-_C_LABEL(ofmsr): .long 0 /* area to store msr for openfirmware*/
-
- .text
-_ENTRY(_C_LABEL(ofw_init))
- mflr 31 /* save return address */
-
- mr 13,6 /* save args (only pointer used) */
- lis 8,ofentry@ha
- stw 5,ofentry@l(8) /* save virtual mode firmware entry */
-
- lis 4,fwcall@ha /* call ofw directly until vm setup */
- stw 5,fwcall@l(4)
-
- mfmsr 5
- lis 4,_C_LABEL(ofmsr)@ha /* save msr from openfirmware */
- stw 5,_C_LABEL(ofmsr)@l(4)
-#if 0
- lis 0,(0x80001ffe)@ha
- addi 0,0,(0x80001ffe)@l
- mtdbatu 0,0
- lis 0,(0x80000022)@ha
- addi 0,0,(0x80000022)@l
- mtdbatl 0,0
-#endif
-
- lis 3,fwsave@ha /* save the mmu values of the firmware */
- addi 3,3,fwsave@l
- lis 4,fwbatsave@ha
- addi 4,4,fwbatsave@l
- bl savemmu
-
- /* save openfirmware address mappings */
- bl _C_LABEL(save_ofw_mapping)
-
-#if 0
- /* dont really need the bats from firmware saved, 0 to disable */
- lis 3,fwbatsave@ha
- addi 3,3,fwbatsave@l
- li 4,64
- li 5,0
-1: subi 4,4,4
- stwx 5,4,3
- cmpi 4,0,0
- bne 1b
-#endif
-
- mr 6,13 /* restore args pointer */
- mtlr 31 /* restore return address */
- blr
-
-/*
- * Save everyting related to the mmu to the saveare pointed to by r3.
- */
- .type savemmu,@function
-savemmu:
-
- mr 6,4 /* r4 holds pointer to BAT save area */
-
- li 4,0 /* save SRs */
-1:
- addis 4,4,-0x10000000@ha
- or. 4,4,4
- mfsrin 5,4
- stwu 5,4(3)
- bne 1b
-
- mfibatl 4,0 /* save BATs */
- stw 4,0(6)
- mfibatu 4,0
- stw 4,4(6)
- mfibatl 4,1
- stw 4,8(6)
- mfibatu 4,1
- stw 4,0xc(6)
- mfibatl 4,2
- stw 4,0x10(6)
- mfibatu 4,2
- stw 4,0x14(6)
- mfibatl 4,3
- stw 4,0x18(6)
- mfibatu 4,3
- stw 4,0x1c(6)
- mfdbatl 4,0
- stw 4,0x20(6)
- mfdbatu 4,0
- stw 4,0x24(6)
- mfdbatl 4,1
- stw 4,0x28(6)
- mfdbatu 4,1
- stw 4,0x2c(6)
- mfdbatl 4,2
- stw 4,0x30(6)
- mfdbatu 4,2
- stw 4,0x34(6)
- mfdbatl 4,3
- stw 4,0x38(6)
- mfdbatu 4,3
- stw 4,0x3c(6)
-
- mfsprg 4,0 /* save SPRGs */
- stw 4,4(3)
- mfsprg 4,1
- stw 4,8(3)
- mfsprg 4,2
- stw 4,12(3)
- mfsprg 4,3
- stw 4,16(3)
-
- mfsdr1 4 /* save SDR1 */
- stw 4,20(3)
-
- addi 4,3,24
-
- mfmsr 4
- stw 4,24(3)
-
- sync
- isync
-
- blr
-
-/*
- * Restore everyting related to the mmu from the savearea pointed to by r3.
- * and bats pointed to by r4.
- */
- .type restoremmu,@function
-restoremmu:
-
- li 0,0
- mtmsr 0
- mr 6,4 /* pointer to sr to restore */
- li 4,0 /* restore SRs */
-1:
- lwzu 5,4(3)
- addis 4,4,-0x10000000@ha
- or. 4,4,4
- mtsrin 5,4
- bne 1b
-
- mfmsr 4
- lis 5,(PSL_IR|PSL_DR)@h /* turn off MMU */
- ori 5,5,(PSL_IR|PSL_DR)@l /* turn off MMU */
- andc 4,4,5 /* turn off MMU */
- mtmsr 4
- isync
-
- li 4,0 /* first, invalidate BATs */
- mtibatu 0,4
- mtibatu 1,4
- mtibatu 2,4
- mtibatu 3,4
- mtdbatu 0,4
- mtdbatu 1,4
- mtdbatu 2,4
- mtdbatu 3,4
-
- lwz 4,0(6)
- mtibatl 0,4 /* restore BATs */
- lwz 4,4(6)
- mtibatu 0,4
- lwz 4,8(6)
- mtibatl 1,4
- lwz 4,12(6)
- mtibatu 1,4
- lwz 4,16(6)
- mtibatl 2,4
- lwz 4,20(6)
- mtibatu 2,4
- lwz 4,24(6)
- mtibatl 3,4
- lwz 4,28(6)
- mtibatu 3,4
- lwz 4,32(6)
- mtdbatl 0,4
- lwz 4,36(6)
- mtdbatu 0,4
- lwz 4,40(6)
- mtdbatl 1,4
- lwz 4,44(6)
- mtdbatu 1,4
- lwz 4,48(6)
- mtdbatl 2,4
- lwz 4,52(6)
- mtdbatu 2,4
- lwz 4,56(6)
- mtdbatl 3,4
- lwz 4,60(6)
- mtdbatu 3,4
-
- lwz 4,4(3)
- mtsprg 0,4 /* restore SPRGs */
- lwz 4,8(3)
- mtsprg 1,4
- lwz 4,12(3)
- mtsprg 2,4
- lwz 4,16(3)
- mtsprg 3,4
-
- sync /* remove everything from tlb */
- lis 4,0x40000@ha
- li 5,0x1000
-1:
- subf. 4,5,4
- tlbie 4
- bne 1b
-
- sync
- tlbsync
- sync
-
- lwz 4,20(3)
- sync
- mtsdr1 4 /* restore SDR1 */
-
-
- /* tlbia */
- sync
- li 5,0x40
- mtctr 5
- li 4,0
- 1:
- tlbie 4
- addi 4,4,0x1000
- bdnz 1b
- sync
- tlbsync
- sync
-
- lwz 4,24(3)
- mtmsr 4
- isync
-
- blr
-
-
-_ENTRY(_C_LABEL(fwentry))
- stwu 1,-16(1)
- mflr 4
- stw 4,20(1)
- stw 3,12(1) /* save arg */
-
- lis 3,clsave@ha /* save mmu values of client */
- addi 3,3,clsave@l
- lis 4,clbatsave@ha /* save mmu values of client */
- addi 4,4,clbatsave@l
- bl savemmu
-
- lis 3,fwsave@ha /* restore mmu values of firmware */
- addi 3,3,fwsave@l
- lis 4,fwbatsave@ha
- addi 4,4,fwbatsave@l
- bl restoremmu
-
- lis 3,ofentry@ha
- lwz 3,ofentry@l(3) /* get actual firmware entry */
- mtlr 3
-
- mfmsr 4
- ori 4,4,PSL_IR|PSL_DR /* turn on MMU */
- mtmsr 4
- isync
-
- lwz 3,12(1) /* restore arg */
- blrl /* do actual firmware call */
-
- stw 3,12(1) /* save return value */
-
- lis 3,fwsave@ha /* save mmu values of firmare */
- addi 3,3,fwsave@l /* (might not be necessary, but... */
- lis 4,fwbatsave@ha
- addi 4,4,fwbatsave@l
- bl savemmu
-
- lis 3,clsave@ha /* restore mmu values of client */
- addi 3,3,clsave@l
- lis 4,clbatsave@ha /* save mmu values of client */
- addi 4,4,clbatsave@l
- bl restoremmu
-
- lwz 4,20(1)
- lwz 3,12(1) /* restore return value */
-
- mtlr 4
- addi 1,1,16
- blr
-
-/*
- * OpenFirmware entry point
- */
-_ENTRY(_C_LABEL(openfirmware))
- stwu 1,-16(1)
- mflr 0 /* save return address */
- stw 0,20(1)
-
- lis 4,fwcall@ha
- lwz 4,fwcall@l(4)
-
- mtlr 4
- blrl
-
- lwz 0,20(1)
- mtlr 0
- lwz 1,0(1)
- blr
-
-/*
- * Switch to/from OpenFirmware real mode stack
- *
- * Note: has to be called as the very first thing in OpenFirmware interface routines.
- * E.g.:
- * int
- * OF_xxx(arg1, arg2)
- * type arg1, arg2;
- * {
- * static struct {
- * char *name;
- * int nargs;
- * int nreturns;
- * char *method;
- * int arg1;
- * int arg2;
- * int ret;
- * } args = {
- * "xxx",
- * 2,
- * 1,
- * };
- *
- * ofw_stack();
- * args.arg1 = arg1;
- * args.arg2 = arg2;
- * if (openfirmware(&args) < 0)
- * return -1;
- * return args.ret;
- * }
- */
-.lcomm firmstk,NBPG,16
-.comm _C_LABEL(OF_buf),NBPG,PGOFSET
-
-_ENTRY(_C_LABEL(ofw_stack))
- mfmsr 8 /* turn off interrupts */
- andi. 0,8,~(PSL_EE|PSL_RI)@l
- mtmsr 0
- stw 8,4(1) /* abuse return address slot */
-
- lwz 5,0(1) /* get length of stack frame */
- subf 5,1,5
-
- lis 7,firmstk+NBPG-8@ha
- addi 7,7,firmstk+NBPG-8@l
- li 6,0xf
- andc 7,7,6
- lis 6,ofw_back@ha
- addi 6,6,ofw_back@l
- subf 4,5,7 /* make room for stack frame on new stack */
- stwu 1,-16(7)
- stw 6,4(7) /* setup return pointer */
-
- stw 7,-16(4)
-
- addi 3,1,8
- addi 1,4,-16
- subi 5,5,8
- subi 4,4,8
-
- b _C_LABEL(ofbcopy) /* and copy it */
-
- .type ofw_back,@function
-ofw_back:
- lwz 1,0(1) /* get callers original stack pointer */
-
- lwz 0,4(1) /* get saved msr from abused slot */
- mtmsr 0
-
- lwz 1,0(1) /* return */
- lwz 0,4(1)
- mtlr 0
- blr
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 03:48:34 +0000