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-rw-r--r--sys/boot/powerpc/Makefile5
-rw-r--r--sys/boot/powerpc/loader/Makefile127
-rw-r--r--sys/boot/powerpc/loader/conf.c117
-rw-r--r--sys/boot/powerpc/loader/help.ofw1
-rw-r--r--sys/boot/powerpc/loader/metadata.c316
-rw-r--r--sys/boot/powerpc/loader/start.c104
-rw-r--r--sys/boot/powerpc/loader/version6
-rw-r--r--sys/boot/powerpc/ofw/Makefile127
-rw-r--r--sys/boot/powerpc/ofw/conf.c117
-rw-r--r--sys/boot/powerpc/ofw/help.ofw1
-rw-r--r--sys/boot/powerpc/ofw/metadata.c316
-rw-r--r--sys/boot/powerpc/ofw/start.c104
-rw-r--r--sys/boot/powerpc/ofw/version6
13 files changed, 1347 insertions, 0 deletions
diff --git a/sys/boot/powerpc/Makefile b/sys/boot/powerpc/Makefile
new file mode 100644
index 0000000..f805d11
--- /dev/null
+++ b/sys/boot/powerpc/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+SUBDIR= loader
+
+.include <bsd.subdir.mk>
diff --git a/sys/boot/powerpc/loader/Makefile b/sys/boot/powerpc/loader/Makefile
new file mode 100644
index 0000000..0560dd5
--- /dev/null
+++ b/sys/boot/powerpc/loader/Makefile
@@ -0,0 +1,127 @@
+# $FreeBSD$
+
+BASE= loader
+PROG= ${BASE}
+NOMAN=
+STRIP=
+NEWVERSWHAT= "bootstrap loader" OpenFirmware/PowerPC
+BINDIR?= /boot
+INSTALLFLAGS= -b
+
+# architecture-specific loader code
+SRCS= conf.c metadata.c vers.c start.c
+
+LOADER_DISK_SUPPORT?= yes
+LOADER_UFS_SUPPORT?= yes
+LOADER_CD9660_SUPPORT?= yes
+LOADER_EXT2FS_SUPPORT?= no
+LOADER_NET_SUPPORT?= yes
+LOADER_NFS_SUPPORT?= yes
+LOADER_TFTP_SUPPORT?= yes
+LOADER_GZIP_SUPPORT?= yes
+LOADER_BZIP2_SUPPORT?= no
+
+.if defined(LOADER_DISK_SUPPORT)
+CFLAGS+= -DLOADER_DISK_SUPPORT
+.endif
+.if ${LOADER_UFS_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_UFS_SUPPORT
+.endif
+.if ${LOADER_CD9660_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_CD9660_SUPPORT
+.endif
+.if ${LOADER_EXT2FS_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_EXT2FS_SUPPORT
+.endif
+.if defined(LOADER_NET_SUPPORT)
+CFLAGS+= -DLOADER_NET_SUPPORT
+.endif
+.if ${LOADER_NFS_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_NFS_SUPPORT
+.endif
+.if ${LOADER_TFTP_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_TFTP_SUPPORT
+.endif
+.if ${LOADER_GZIP_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_GZIP_SUPPORT
+.endif
+.if ${LOADER_BZIP2_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_BZIP2_SUPPORT
+.endif
+
+.if !defined(NOFORTH)
+# Enable BootForth
+BOOT_FORTH= yes
+CFLAGS+= -DBOOT_FORTH -I${.CURDIR}/../../ficl -I${.CURDIR}/../../ficl/powerpc
+.if exists(${.OBJDIR}/../../ficl/libficl.a)
+LIBFICL= ${.OBJDIR}/../../ficl/libficl.a
+.else
+LIBFICL= ${.CURDIR}/../../ficl/libficl.a
+.endif
+.endif
+
+# Always add MI sources
+.PATH: ${.CURDIR}/../../common
+.include <${.CURDIR}/../../common/Makefile.inc>
+CFLAGS+= -I${.CURDIR}/../../common
+CFLAGS+= -I${.CURDIR}/../../.. -I.
+
+CLEANFILES+= vers.c ${BASE}.help
+
+CFLAGS+= -ffreestanding
+# load address
+RELOC?= 0x1C00000
+CFLAGS+= -DRELOC=${RELOC}
+LDFLAGS= -nostdlib -static -Ttext ${RELOC}
+
+# Pull in common loader code
+.PATH: ${.CURDIR}/../../ofw/common
+.include <${.CURDIR}/../../ofw/common/Makefile.inc>
+
+# OpenFirmware standalone support library
+LIBOFW= ${.OBJDIR}/../../ofw/libofw/libofw.a
+CFLAGS+= -I${.CURDIR}/../../ofw/libofw
+
+# where to get libstand from
+#XXX need a better way to do this
+LIBSTAND= ${.CURDIR}/../../../../lib/libstand/libstand.a
+.if !exists(${LIBSTAND})
+LIBSTAND= ${.OBJDIR}/../../../../lib/libstand/libstand.a
+.if !exists(${LIBSTAND})
+LIBSTAND= -lstand
+.endif
+.endif
+CFLAGS+= -I${.CURDIR}/../../../../lib/libstand/
+
+LDADD= ${LIBFICL} ${LIBOFW} ${LIBSTAND}
+
+# Debug me!
+CFLAGS+= -g
+LDFLAGS+= -g
+
+vers.c: ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
+ sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
+
+${BASE}.help: help.common help.ofw
+ cat ${.ALLSRC} | \
+ awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
+
+.PATH: ${.CURDIR}/../../forth
+FILES= ${BASE}.help loader.4th support.4th loader.conf
+FILESDIR_loader.conf= /boot/defaults
+
+.if !exists(${DESTDIR}/boot/loader.rc)
+FILES+= loader.rc
+.endif
+
+# Cannot use ${OBJS} above this line
+.include <bsd.prog.mk>
+
+.if exists(${.CURDIR}/../../../powerpc/include)
+beforedepend ${OBJS}: machine
+
+machine:
+ ln -sf ${.CURDIR}/../../../powerpc/include machine
+.endif
+
+CLEANFILES+= machine
diff --git a/sys/boot/powerpc/loader/conf.c b/sys/boot/powerpc/loader/conf.c
new file mode 100644
index 0000000..22027b6
--- /dev/null
+++ b/sys/boot/powerpc/loader/conf.c
@@ -0,0 +1,117 @@
+/*-
+ * Copyright (c) 1999 Michael Smith <msmith@freebsd.org>
+ * 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 <stand.h>
+#include "bootstrap.h"
+#include "libofw.h"
+#include "openfirm.h"
+
+#if defined(LOADER_NET_SUPPORT)
+#include "dev_net.h"
+#endif
+
+/*
+ * We could use linker sets for some or all of these, but
+ * then we would have to control what ended up linked into
+ * the bootstrap. So it's easier to conditionalise things
+ * here.
+ *
+ * XXX rename these arrays to be consistent and less namespace-hostile
+ */
+
+/* Exported for libstand */
+struct devsw *devsw[] = {
+#if defined(LOADER_DISK_SUPPORT) || defined(LOADER_CD9660_SUPPORT)
+ &ofwdisk,
+#endif
+#if defined(LOADER_NET_SUPPORT)
+ &netdev,
+#endif
+ NULL
+};
+
+struct fs_ops *file_system[] = {
+#if defined(LOADER_UFS_SUPPORT)
+ &ufs_fsops,
+#endif
+#if defined(LOADER_CD9660_SUPPORT)
+ &cd9660_fsops,
+#endif
+#if defined(LOADER_EXT2FS_SUPPORT)
+ &ext2fs_fsops,
+#endif
+#if defined(LOADER_NET_SUPPORT)
+ &nfs_fsops,
+#endif
+#if defined(LOADER_TFTP_SUPPORT)
+ &tftp_fsops,
+#endif
+#if defined(LOADER_GZIP_SUPPORT)
+ &gzipfs_fsops,
+#endif
+#if defined(LOADER_BZIP2_SUPPORT)
+ &bzipfs_fsops,
+#endif
+ NULL
+};
+
+struct netif_driver *netif_drivers[] = {
+#if defined(LOADER_NET_SUPPORT)
+ &ofwnet,
+#endif
+ NULL,
+};
+
+/* Exported for PowerPC only */
+/*
+ * Sort formats so that those that can detect based on arguments
+ * rather than reading the file go first.
+ */
+
+struct file_format *file_formats[] = {
+ &ofw_elf,
+ NULL
+};
+
+/*
+ * Consoles
+ *
+ * We don't prototype these in libalpha.h because they require
+ * data structures from bootstrap.h as well.
+ */
+extern struct console ofwconsole;
+
+struct console *consoles[] = {
+ &ofwconsole,
+ NULL
+};
+
+/*
+ * reloc - our load address
+ */
+vm_offset_t reloc = RELOC;
diff --git a/sys/boot/powerpc/loader/help.ofw b/sys/boot/powerpc/loader/help.ofw
new file mode 100644
index 0000000..5873eb0
--- /dev/null
+++ b/sys/boot/powerpc/loader/help.ofw
@@ -0,0 +1 @@
+$FreeBSD$
diff --git a/sys/boot/powerpc/loader/metadata.c b/sys/boot/powerpc/loader/metadata.c
new file mode 100644
index 0000000..bb02c5e
--- /dev/null
+++ b/sys/boot/powerpc/loader/metadata.c
@@ -0,0 +1,316 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * 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.
+ *
+ * from: FreeBSD: src/sys/boot/sparc64/loader/metadata.c,v 1.6
+ * $FreeBSD$
+ */
+
+#include <stand.h>
+#include <sys/param.h>
+#include <sys/reboot.h>
+#include <sys/linker.h>
+
+#include <machine/metadata.h>
+
+#include "bootstrap.h"
+#include "libofw.h"
+
+/*
+ * Return a 'boothowto' value corresponding to the kernel arguments in
+ * (kargs) and any relevant environment variables.
+ */
+static struct
+{
+ const char *ev;
+ int mask;
+} howto_names[] = {
+ {"boot_askname", RB_ASKNAME},
+ {"boot_cdrom", RB_CDROM},
+ {"boot_userconfig", RB_CONFIG},
+ {"boot_ddb", RB_KDB},
+ {"boot_gdb", RB_GDB},
+ {"boot_single", RB_SINGLE},
+ {"boot_verbose", RB_VERBOSE},
+ {"boot_multicons", RB_MULTIPLE},
+ {"boot_serial", RB_SERIAL},
+ {NULL, 0}
+};
+
+int
+md_getboothowto(char *kargs)
+{
+ char *cp;
+ int howto;
+ int active;
+ int i;
+
+ /* Parse kargs */
+ howto = 0;
+ if (kargs != NULL) {
+ cp = kargs;
+ active = 0;
+ while (*cp != 0) {
+ if (!active && (*cp == '-')) {
+ active = 1;
+ } else if (active)
+ switch (*cp) {
+ case 'a':
+ howto |= RB_ASKNAME;
+ break;
+ case 'c':
+ howto |= RB_CONFIG;
+ break;
+ case 'C':
+ howto |= RB_CDROM;
+ break;
+ case 'd':
+ howto |= RB_KDB;
+ break;
+ case 'D':
+ howto |= RB_MULTIPLE;
+ break;
+ case 'm':
+ howto |= RB_MUTE;
+ break;
+ case 'g':
+ howto |= RB_GDB;
+ break;
+ case 'h':
+ howto |= RB_SERIAL;
+ break;
+ case 'r':
+ howto |= RB_DFLTROOT;
+ break;
+ case 's':
+ howto |= RB_SINGLE;
+ break;
+ case 'v':
+ howto |= RB_VERBOSE;
+ break;
+ default:
+ active = 0;
+ break;
+ }
+ cp++;
+ }
+ }
+ /* get equivalents from the environment */
+ for (i = 0; howto_names[i].ev != NULL; i++)
+ if (getenv(howto_names[i].ev) != NULL)
+ howto |= howto_names[i].mask;
+ if (!strcmp(getenv("console"), "comconsole"))
+ howto |= RB_SERIAL;
+ if (!strcmp(getenv("console"), "nullconsole"))
+ howto |= RB_MUTE;
+ return(howto);
+}
+
+/*
+ * Copy the environment into the load area starting at (addr).
+ * Each variable is formatted as <name>=<value>, with a single nul
+ * separating each variable, and a double nul terminating the environment.
+ */
+vm_offset_t
+md_copyenv(vm_offset_t addr)
+{
+ struct env_var *ep;
+
+ /* traverse the environment */
+ for (ep = environ; ep != NULL; ep = ep->ev_next) {
+ archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name));
+ addr += strlen(ep->ev_name);
+ archsw.arch_copyin("=", addr, 1);
+ addr++;
+ if (ep->ev_value != NULL) {
+ archsw.arch_copyin(ep->ev_value, addr, strlen(ep->ev_value));
+ addr += strlen(ep->ev_value);
+ }
+ archsw.arch_copyin("", addr, 1);
+ addr++;
+ }
+ archsw.arch_copyin("", addr, 1);
+ addr++;
+ return(addr);
+}
+
+/*
+ * Copy module-related data into the load area, where it can be
+ * used as a directory for loaded modules.
+ *
+ * Module data is presented in a self-describing format. Each datum
+ * is preceded by a 32-bit identifier and a 32-bit size field.
+ *
+ * Currently, the following data are saved:
+ *
+ * MOD_NAME (variable) module name (string)
+ * MOD_TYPE (variable) module type (string)
+ * MOD_ARGS (variable) module parameters (string)
+ * MOD_ADDR sizeof(vm_offset_t) module load address
+ * MOD_SIZE sizeof(size_t) module size
+ * MOD_METADATA (variable) type-specific metadata
+ */
+#define COPY32(v, a, c) { \
+ u_int32_t x = (v); \
+ if (c) \
+ archsw.arch_copyin(&x, a, sizeof(x)); \
+ a += sizeof(x); \
+}
+
+#define MOD_STR(t, a, s, c) { \
+ COPY32(t, a, c); \
+ COPY32(strlen(s) + 1, a, c) \
+ if (c) \
+ archsw.arch_copyin(s, a, strlen(s) + 1);\
+ a += roundup(strlen(s) + 1, sizeof(u_long));\
+}
+
+#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
+#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
+#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
+
+#define MOD_VAR(t, a, s, c) { \
+ COPY32(t, a, c); \
+ COPY32(sizeof(s), a, c); \
+ if (c) \
+ archsw.arch_copyin(&s, a, sizeof(s)); \
+ a += roundup(sizeof(s), sizeof(u_long)); \
+}
+
+#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
+#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
+
+#define MOD_METADATA(a, mm, c) { \
+ COPY32(MODINFO_METADATA | mm->md_type, a, c);\
+ COPY32(mm->md_size, a, c); \
+ if (c) \
+ archsw.arch_copyin(mm->md_data, a, mm->md_size);\
+ a += roundup(mm->md_size, sizeof(u_long)); \
+}
+
+#define MOD_END(a, c) { \
+ COPY32(MODINFO_END, a, c); \
+ COPY32(0, a, c); \
+}
+
+vm_offset_t
+md_copymodules(vm_offset_t addr)
+{
+ struct preloaded_file *fp;
+ struct file_metadata *md;
+ int c;
+
+ c = addr != 0;
+ /* start with the first module on the list, should be the kernel */
+ for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
+
+ MOD_NAME(addr, fp->f_name, c); /* this field must come first */
+ MOD_TYPE(addr, fp->f_type, c);
+ if (fp->f_args)
+ MOD_ARGS(addr, fp->f_args, c);
+ MOD_ADDR(addr, fp->f_addr, c);
+ MOD_SIZE(addr, fp->f_size, c);
+ for (md = fp->f_metadata; md != NULL; md = md->md_next) {
+ if (!(md->md_type & MODINFOMD_NOCOPY)) {
+ MOD_METADATA(addr, md, c);
+ }
+ }
+ }
+ MOD_END(addr, c);
+ return(addr);
+}
+
+/*
+ * Load the information expected by a powerpc kernel.
+ *
+ * - The 'boothowto' argument is constructed
+ * - The 'bootdev' argument is constructed
+ * - The kernel environment is copied into kernel space.
+ * - Module metadata are formatted and placed in kernel space.
+ */
+int
+md_load(char *args, vm_offset_t *modulep)
+{
+ struct preloaded_file *kfp;
+ struct preloaded_file *xp;
+ struct file_metadata *md;
+ vm_offset_t kernend;
+ vm_offset_t addr;
+ vm_offset_t envp;
+ vm_offset_t size;
+ char *rootdevname;
+ int howto;
+ int dtlb_slots;
+ int itlb_slots;
+
+ howto = md_getboothowto(args);
+
+ /*
+ * Allow the environment variable 'rootdev' to override the supplied device
+ * This should perhaps go to MI code and/or have $rootdev tested/set by
+ * MI code before launching the kernel.
+ */
+ rootdevname = getenv("rootdev");
+ if (rootdevname == NULL)
+ rootdevname = getenv("currdev");
+ /* Try reading the /etc/fstab file to select the root device */
+ getrootmount(rootdevname);
+
+ /* find the last module in the chain */
+ addr = 0;
+ for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
+ if (addr < (xp->f_addr + xp->f_size))
+ addr = xp->f_addr + xp->f_size;
+ }
+ /* pad to a page boundary */
+ addr = roundup(addr, PAGE_SIZE);
+
+ /* copy our environment */
+ envp = addr;
+ addr = md_copyenv(addr);
+
+ /* pad to a page boundary */
+ addr = roundup(addr, PAGE_SIZE);
+
+ kernend = 0;
+ kfp = file_findfile(NULL, "elf32 kernel");
+ if (kfp == NULL)
+ kfp = file_findfile(NULL, "elf kernel");
+ if (kfp == NULL)
+ panic("can't find kernel file");
+ file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
+ file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
+ file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
+
+ *modulep = addr;
+ size = md_copymodules(0);
+ kernend = roundup(addr + size, PAGE_SIZE);
+
+ md = file_findmetadata(kfp, MODINFOMD_KERNEND);
+ bcopy(&kernend, md->md_data, sizeof kernend);
+
+ (void)md_copymodules(addr);
+
+ return(0);
+}
diff --git a/sys/boot/powerpc/loader/start.c b/sys/boot/powerpc/loader/start.c
new file mode 100644
index 0000000..dced920
--- /dev/null
+++ b/sys/boot/powerpc/loader/start.c
@@ -0,0 +1,104 @@
+/* $FreeBSD$ */
+/* $NetBSD: Locore.c,v 1.7 2000/08/20 07:04:59 tsubai 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 <stand.h>
+#include "libofw.h"
+
+void startup(void *, int, int (*)(void *), char *, int);
+
+#ifdef XCOFF_GLUE
+asm(" \n\
+ .text \n\
+ .globl _entry \n\
+_entry: \n\
+ .long _start,0,0 \n\
+");
+#endif
+
+__asm(" \n\
+ .data \n\
+stack: \n\
+ .space 16388 \n\
+ \n\
+ .text \n\
+ .globl _start \n\
+_start: \n\
+ li %r8,0 \n\
+ li %r9,0x100 \n\
+ mtctr %r9 \n\
+1: \n\
+ dcbf %r0,%r8 \n\
+ icbi %r0,%r8 \n\
+ addi %r8,%r8,0x20 \n\
+ bdnz 1b \n\
+ sync \n\
+ isync \n\
+ \n\
+ lis %r1,stack@ha \n\
+ addi %r1,%r1,stack@l \n\
+ addi %r1,%r1,8192 \n\
+ \n\
+ mfmsr %r8 \n\
+ li %r0,0 \n\
+ mtmsr %r0 \n\
+ isync \n\
+ \n\
+ mtibatu 0,%r0 \n\
+ mtibatu 1,%r0 \n\
+ mtibatu 2,%r0 \n\
+ mtibatu 3,%r0 \n\
+ mtdbatu 0,%r0 \n\
+ mtdbatu 1,%r0 \n\
+ mtdbatu 2,%r0 \n\
+ mtdbatu 3,%r0 \n\
+ \n\
+ li %r9,0x12 /* BATL(0, BAT_M, BAT_PP_RW) */ \n\
+ mtibatl 0,%r9 \n\
+ mtdbatl 0,%r9 \n\
+ li %r9,0x1ffe /* BATU(0, BAT_BL_256M, BAT_Vs) */ \n\
+ mtibatu 0,%r9 \n\
+ mtdbatu 0,%r9 \n\
+ isync \n\
+ \n\
+ mtmsr %r8 \n\
+ isync \n\
+ \n\
+ b startup \n\
+");
+
+void
+startup(void *vpd, int res, int (*openfirm)(void *), char *arg, int argl)
+{
+ main(openfirm);
+}
diff --git a/sys/boot/powerpc/loader/version b/sys/boot/powerpc/loader/version
new file mode 100644
index 0000000..cb0f693
--- /dev/null
+++ b/sys/boot/powerpc/loader/version
@@ -0,0 +1,6 @@
+$FreeBSD$
+
+NOTE ANY CHANGES YOU MAKE TO THE BOOTBLOCKS HERE. The format of this
+file is important. Make sure the current version number is on line 6.
+
+0.1: Initial OFW/PowerPC version.
diff --git a/sys/boot/powerpc/ofw/Makefile b/sys/boot/powerpc/ofw/Makefile
new file mode 100644
index 0000000..0560dd5
--- /dev/null
+++ b/sys/boot/powerpc/ofw/Makefile
@@ -0,0 +1,127 @@
+# $FreeBSD$
+
+BASE= loader
+PROG= ${BASE}
+NOMAN=
+STRIP=
+NEWVERSWHAT= "bootstrap loader" OpenFirmware/PowerPC
+BINDIR?= /boot
+INSTALLFLAGS= -b
+
+# architecture-specific loader code
+SRCS= conf.c metadata.c vers.c start.c
+
+LOADER_DISK_SUPPORT?= yes
+LOADER_UFS_SUPPORT?= yes
+LOADER_CD9660_SUPPORT?= yes
+LOADER_EXT2FS_SUPPORT?= no
+LOADER_NET_SUPPORT?= yes
+LOADER_NFS_SUPPORT?= yes
+LOADER_TFTP_SUPPORT?= yes
+LOADER_GZIP_SUPPORT?= yes
+LOADER_BZIP2_SUPPORT?= no
+
+.if defined(LOADER_DISK_SUPPORT)
+CFLAGS+= -DLOADER_DISK_SUPPORT
+.endif
+.if ${LOADER_UFS_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_UFS_SUPPORT
+.endif
+.if ${LOADER_CD9660_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_CD9660_SUPPORT
+.endif
+.if ${LOADER_EXT2FS_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_EXT2FS_SUPPORT
+.endif
+.if defined(LOADER_NET_SUPPORT)
+CFLAGS+= -DLOADER_NET_SUPPORT
+.endif
+.if ${LOADER_NFS_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_NFS_SUPPORT
+.endif
+.if ${LOADER_TFTP_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_TFTP_SUPPORT
+.endif
+.if ${LOADER_GZIP_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_GZIP_SUPPORT
+.endif
+.if ${LOADER_BZIP2_SUPPORT} == "yes"
+CFLAGS+= -DLOADER_BZIP2_SUPPORT
+.endif
+
+.if !defined(NOFORTH)
+# Enable BootForth
+BOOT_FORTH= yes
+CFLAGS+= -DBOOT_FORTH -I${.CURDIR}/../../ficl -I${.CURDIR}/../../ficl/powerpc
+.if exists(${.OBJDIR}/../../ficl/libficl.a)
+LIBFICL= ${.OBJDIR}/../../ficl/libficl.a
+.else
+LIBFICL= ${.CURDIR}/../../ficl/libficl.a
+.endif
+.endif
+
+# Always add MI sources
+.PATH: ${.CURDIR}/../../common
+.include <${.CURDIR}/../../common/Makefile.inc>
+CFLAGS+= -I${.CURDIR}/../../common
+CFLAGS+= -I${.CURDIR}/../../.. -I.
+
+CLEANFILES+= vers.c ${BASE}.help
+
+CFLAGS+= -ffreestanding
+# load address
+RELOC?= 0x1C00000
+CFLAGS+= -DRELOC=${RELOC}
+LDFLAGS= -nostdlib -static -Ttext ${RELOC}
+
+# Pull in common loader code
+.PATH: ${.CURDIR}/../../ofw/common
+.include <${.CURDIR}/../../ofw/common/Makefile.inc>
+
+# OpenFirmware standalone support library
+LIBOFW= ${.OBJDIR}/../../ofw/libofw/libofw.a
+CFLAGS+= -I${.CURDIR}/../../ofw/libofw
+
+# where to get libstand from
+#XXX need a better way to do this
+LIBSTAND= ${.CURDIR}/../../../../lib/libstand/libstand.a
+.if !exists(${LIBSTAND})
+LIBSTAND= ${.OBJDIR}/../../../../lib/libstand/libstand.a
+.if !exists(${LIBSTAND})
+LIBSTAND= -lstand
+.endif
+.endif
+CFLAGS+= -I${.CURDIR}/../../../../lib/libstand/
+
+LDADD= ${LIBFICL} ${LIBOFW} ${LIBSTAND}
+
+# Debug me!
+CFLAGS+= -g
+LDFLAGS+= -g
+
+vers.c: ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
+ sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
+
+${BASE}.help: help.common help.ofw
+ cat ${.ALLSRC} | \
+ awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
+
+.PATH: ${.CURDIR}/../../forth
+FILES= ${BASE}.help loader.4th support.4th loader.conf
+FILESDIR_loader.conf= /boot/defaults
+
+.if !exists(${DESTDIR}/boot/loader.rc)
+FILES+= loader.rc
+.endif
+
+# Cannot use ${OBJS} above this line
+.include <bsd.prog.mk>
+
+.if exists(${.CURDIR}/../../../powerpc/include)
+beforedepend ${OBJS}: machine
+
+machine:
+ ln -sf ${.CURDIR}/../../../powerpc/include machine
+.endif
+
+CLEANFILES+= machine
diff --git a/sys/boot/powerpc/ofw/conf.c b/sys/boot/powerpc/ofw/conf.c
new file mode 100644
index 0000000..22027b6
--- /dev/null
+++ b/sys/boot/powerpc/ofw/conf.c
@@ -0,0 +1,117 @@
+/*-
+ * Copyright (c) 1999 Michael Smith <msmith@freebsd.org>
+ * 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 <stand.h>
+#include "bootstrap.h"
+#include "libofw.h"
+#include "openfirm.h"
+
+#if defined(LOADER_NET_SUPPORT)
+#include "dev_net.h"
+#endif
+
+/*
+ * We could use linker sets for some or all of these, but
+ * then we would have to control what ended up linked into
+ * the bootstrap. So it's easier to conditionalise things
+ * here.
+ *
+ * XXX rename these arrays to be consistent and less namespace-hostile
+ */
+
+/* Exported for libstand */
+struct devsw *devsw[] = {
+#if defined(LOADER_DISK_SUPPORT) || defined(LOADER_CD9660_SUPPORT)
+ &ofwdisk,
+#endif
+#if defined(LOADER_NET_SUPPORT)
+ &netdev,
+#endif
+ NULL
+};
+
+struct fs_ops *file_system[] = {
+#if defined(LOADER_UFS_SUPPORT)
+ &ufs_fsops,
+#endif
+#if defined(LOADER_CD9660_SUPPORT)
+ &cd9660_fsops,
+#endif
+#if defined(LOADER_EXT2FS_SUPPORT)
+ &ext2fs_fsops,
+#endif
+#if defined(LOADER_NET_SUPPORT)
+ &nfs_fsops,
+#endif
+#if defined(LOADER_TFTP_SUPPORT)
+ &tftp_fsops,
+#endif
+#if defined(LOADER_GZIP_SUPPORT)
+ &gzipfs_fsops,
+#endif
+#if defined(LOADER_BZIP2_SUPPORT)
+ &bzipfs_fsops,
+#endif
+ NULL
+};
+
+struct netif_driver *netif_drivers[] = {
+#if defined(LOADER_NET_SUPPORT)
+ &ofwnet,
+#endif
+ NULL,
+};
+
+/* Exported for PowerPC only */
+/*
+ * Sort formats so that those that can detect based on arguments
+ * rather than reading the file go first.
+ */
+
+struct file_format *file_formats[] = {
+ &ofw_elf,
+ NULL
+};
+
+/*
+ * Consoles
+ *
+ * We don't prototype these in libalpha.h because they require
+ * data structures from bootstrap.h as well.
+ */
+extern struct console ofwconsole;
+
+struct console *consoles[] = {
+ &ofwconsole,
+ NULL
+};
+
+/*
+ * reloc - our load address
+ */
+vm_offset_t reloc = RELOC;
diff --git a/sys/boot/powerpc/ofw/help.ofw b/sys/boot/powerpc/ofw/help.ofw
new file mode 100644
index 0000000..5873eb0
--- /dev/null
+++ b/sys/boot/powerpc/ofw/help.ofw
@@ -0,0 +1 @@
+$FreeBSD$
diff --git a/sys/boot/powerpc/ofw/metadata.c b/sys/boot/powerpc/ofw/metadata.c
new file mode 100644
index 0000000..bb02c5e
--- /dev/null
+++ b/sys/boot/powerpc/ofw/metadata.c
@@ -0,0 +1,316 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * 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.
+ *
+ * from: FreeBSD: src/sys/boot/sparc64/loader/metadata.c,v 1.6
+ * $FreeBSD$
+ */
+
+#include <stand.h>
+#include <sys/param.h>
+#include <sys/reboot.h>
+#include <sys/linker.h>
+
+#include <machine/metadata.h>
+
+#include "bootstrap.h"
+#include "libofw.h"
+
+/*
+ * Return a 'boothowto' value corresponding to the kernel arguments in
+ * (kargs) and any relevant environment variables.
+ */
+static struct
+{
+ const char *ev;
+ int mask;
+} howto_names[] = {
+ {"boot_askname", RB_ASKNAME},
+ {"boot_cdrom", RB_CDROM},
+ {"boot_userconfig", RB_CONFIG},
+ {"boot_ddb", RB_KDB},
+ {"boot_gdb", RB_GDB},
+ {"boot_single", RB_SINGLE},
+ {"boot_verbose", RB_VERBOSE},
+ {"boot_multicons", RB_MULTIPLE},
+ {"boot_serial", RB_SERIAL},
+ {NULL, 0}
+};
+
+int
+md_getboothowto(char *kargs)
+{
+ char *cp;
+ int howto;
+ int active;
+ int i;
+
+ /* Parse kargs */
+ howto = 0;
+ if (kargs != NULL) {
+ cp = kargs;
+ active = 0;
+ while (*cp != 0) {
+ if (!active && (*cp == '-')) {
+ active = 1;
+ } else if (active)
+ switch (*cp) {
+ case 'a':
+ howto |= RB_ASKNAME;
+ break;
+ case 'c':
+ howto |= RB_CONFIG;
+ break;
+ case 'C':
+ howto |= RB_CDROM;
+ break;
+ case 'd':
+ howto |= RB_KDB;
+ break;
+ case 'D':
+ howto |= RB_MULTIPLE;
+ break;
+ case 'm':
+ howto |= RB_MUTE;
+ break;
+ case 'g':
+ howto |= RB_GDB;
+ break;
+ case 'h':
+ howto |= RB_SERIAL;
+ break;
+ case 'r':
+ howto |= RB_DFLTROOT;
+ break;
+ case 's':
+ howto |= RB_SINGLE;
+ break;
+ case 'v':
+ howto |= RB_VERBOSE;
+ break;
+ default:
+ active = 0;
+ break;
+ }
+ cp++;
+ }
+ }
+ /* get equivalents from the environment */
+ for (i = 0; howto_names[i].ev != NULL; i++)
+ if (getenv(howto_names[i].ev) != NULL)
+ howto |= howto_names[i].mask;
+ if (!strcmp(getenv("console"), "comconsole"))
+ howto |= RB_SERIAL;
+ if (!strcmp(getenv("console"), "nullconsole"))
+ howto |= RB_MUTE;
+ return(howto);
+}
+
+/*
+ * Copy the environment into the load area starting at (addr).
+ * Each variable is formatted as <name>=<value>, with a single nul
+ * separating each variable, and a double nul terminating the environment.
+ */
+vm_offset_t
+md_copyenv(vm_offset_t addr)
+{
+ struct env_var *ep;
+
+ /* traverse the environment */
+ for (ep = environ; ep != NULL; ep = ep->ev_next) {
+ archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name));
+ addr += strlen(ep->ev_name);
+ archsw.arch_copyin("=", addr, 1);
+ addr++;
+ if (ep->ev_value != NULL) {
+ archsw.arch_copyin(ep->ev_value, addr, strlen(ep->ev_value));
+ addr += strlen(ep->ev_value);
+ }
+ archsw.arch_copyin("", addr, 1);
+ addr++;
+ }
+ archsw.arch_copyin("", addr, 1);
+ addr++;
+ return(addr);
+}
+
+/*
+ * Copy module-related data into the load area, where it can be
+ * used as a directory for loaded modules.
+ *
+ * Module data is presented in a self-describing format. Each datum
+ * is preceded by a 32-bit identifier and a 32-bit size field.
+ *
+ * Currently, the following data are saved:
+ *
+ * MOD_NAME (variable) module name (string)
+ * MOD_TYPE (variable) module type (string)
+ * MOD_ARGS (variable) module parameters (string)
+ * MOD_ADDR sizeof(vm_offset_t) module load address
+ * MOD_SIZE sizeof(size_t) module size
+ * MOD_METADATA (variable) type-specific metadata
+ */
+#define COPY32(v, a, c) { \
+ u_int32_t x = (v); \
+ if (c) \
+ archsw.arch_copyin(&x, a, sizeof(x)); \
+ a += sizeof(x); \
+}
+
+#define MOD_STR(t, a, s, c) { \
+ COPY32(t, a, c); \
+ COPY32(strlen(s) + 1, a, c) \
+ if (c) \
+ archsw.arch_copyin(s, a, strlen(s) + 1);\
+ a += roundup(strlen(s) + 1, sizeof(u_long));\
+}
+
+#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
+#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
+#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
+
+#define MOD_VAR(t, a, s, c) { \
+ COPY32(t, a, c); \
+ COPY32(sizeof(s), a, c); \
+ if (c) \
+ archsw.arch_copyin(&s, a, sizeof(s)); \
+ a += roundup(sizeof(s), sizeof(u_long)); \
+}
+
+#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
+#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
+
+#define MOD_METADATA(a, mm, c) { \
+ COPY32(MODINFO_METADATA | mm->md_type, a, c);\
+ COPY32(mm->md_size, a, c); \
+ if (c) \
+ archsw.arch_copyin(mm->md_data, a, mm->md_size);\
+ a += roundup(mm->md_size, sizeof(u_long)); \
+}
+
+#define MOD_END(a, c) { \
+ COPY32(MODINFO_END, a, c); \
+ COPY32(0, a, c); \
+}
+
+vm_offset_t
+md_copymodules(vm_offset_t addr)
+{
+ struct preloaded_file *fp;
+ struct file_metadata *md;
+ int c;
+
+ c = addr != 0;
+ /* start with the first module on the list, should be the kernel */
+ for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
+
+ MOD_NAME(addr, fp->f_name, c); /* this field must come first */
+ MOD_TYPE(addr, fp->f_type, c);
+ if (fp->f_args)
+ MOD_ARGS(addr, fp->f_args, c);
+ MOD_ADDR(addr, fp->f_addr, c);
+ MOD_SIZE(addr, fp->f_size, c);
+ for (md = fp->f_metadata; md != NULL; md = md->md_next) {
+ if (!(md->md_type & MODINFOMD_NOCOPY)) {
+ MOD_METADATA(addr, md, c);
+ }
+ }
+ }
+ MOD_END(addr, c);
+ return(addr);
+}
+
+/*
+ * Load the information expected by a powerpc kernel.
+ *
+ * - The 'boothowto' argument is constructed
+ * - The 'bootdev' argument is constructed
+ * - The kernel environment is copied into kernel space.
+ * - Module metadata are formatted and placed in kernel space.
+ */
+int
+md_load(char *args, vm_offset_t *modulep)
+{
+ struct preloaded_file *kfp;
+ struct preloaded_file *xp;
+ struct file_metadata *md;
+ vm_offset_t kernend;
+ vm_offset_t addr;
+ vm_offset_t envp;
+ vm_offset_t size;
+ char *rootdevname;
+ int howto;
+ int dtlb_slots;
+ int itlb_slots;
+
+ howto = md_getboothowto(args);
+
+ /*
+ * Allow the environment variable 'rootdev' to override the supplied device
+ * This should perhaps go to MI code and/or have $rootdev tested/set by
+ * MI code before launching the kernel.
+ */
+ rootdevname = getenv("rootdev");
+ if (rootdevname == NULL)
+ rootdevname = getenv("currdev");
+ /* Try reading the /etc/fstab file to select the root device */
+ getrootmount(rootdevname);
+
+ /* find the last module in the chain */
+ addr = 0;
+ for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
+ if (addr < (xp->f_addr + xp->f_size))
+ addr = xp->f_addr + xp->f_size;
+ }
+ /* pad to a page boundary */
+ addr = roundup(addr, PAGE_SIZE);
+
+ /* copy our environment */
+ envp = addr;
+ addr = md_copyenv(addr);
+
+ /* pad to a page boundary */
+ addr = roundup(addr, PAGE_SIZE);
+
+ kernend = 0;
+ kfp = file_findfile(NULL, "elf32 kernel");
+ if (kfp == NULL)
+ kfp = file_findfile(NULL, "elf kernel");
+ if (kfp == NULL)
+ panic("can't find kernel file");
+ file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
+ file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
+ file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
+
+ *modulep = addr;
+ size = md_copymodules(0);
+ kernend = roundup(addr + size, PAGE_SIZE);
+
+ md = file_findmetadata(kfp, MODINFOMD_KERNEND);
+ bcopy(&kernend, md->md_data, sizeof kernend);
+
+ (void)md_copymodules(addr);
+
+ return(0);
+}
diff --git a/sys/boot/powerpc/ofw/start.c b/sys/boot/powerpc/ofw/start.c
new file mode 100644
index 0000000..dced920
--- /dev/null
+++ b/sys/boot/powerpc/ofw/start.c
@@ -0,0 +1,104 @@
+/* $FreeBSD$ */
+/* $NetBSD: Locore.c,v 1.7 2000/08/20 07:04:59 tsubai 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 <stand.h>
+#include "libofw.h"
+
+void startup(void *, int, int (*)(void *), char *, int);
+
+#ifdef XCOFF_GLUE
+asm(" \n\
+ .text \n\
+ .globl _entry \n\
+_entry: \n\
+ .long _start,0,0 \n\
+");
+#endif
+
+__asm(" \n\
+ .data \n\
+stack: \n\
+ .space 16388 \n\
+ \n\
+ .text \n\
+ .globl _start \n\
+_start: \n\
+ li %r8,0 \n\
+ li %r9,0x100 \n\
+ mtctr %r9 \n\
+1: \n\
+ dcbf %r0,%r8 \n\
+ icbi %r0,%r8 \n\
+ addi %r8,%r8,0x20 \n\
+ bdnz 1b \n\
+ sync \n\
+ isync \n\
+ \n\
+ lis %r1,stack@ha \n\
+ addi %r1,%r1,stack@l \n\
+ addi %r1,%r1,8192 \n\
+ \n\
+ mfmsr %r8 \n\
+ li %r0,0 \n\
+ mtmsr %r0 \n\
+ isync \n\
+ \n\
+ mtibatu 0,%r0 \n\
+ mtibatu 1,%r0 \n\
+ mtibatu 2,%r0 \n\
+ mtibatu 3,%r0 \n\
+ mtdbatu 0,%r0 \n\
+ mtdbatu 1,%r0 \n\
+ mtdbatu 2,%r0 \n\
+ mtdbatu 3,%r0 \n\
+ \n\
+ li %r9,0x12 /* BATL(0, BAT_M, BAT_PP_RW) */ \n\
+ mtibatl 0,%r9 \n\
+ mtdbatl 0,%r9 \n\
+ li %r9,0x1ffe /* BATU(0, BAT_BL_256M, BAT_Vs) */ \n\
+ mtibatu 0,%r9 \n\
+ mtdbatu 0,%r9 \n\
+ isync \n\
+ \n\
+ mtmsr %r8 \n\
+ isync \n\
+ \n\
+ b startup \n\
+");
+
+void
+startup(void *vpd, int res, int (*openfirm)(void *), char *arg, int argl)
+{
+ main(openfirm);
+}
diff --git a/sys/boot/powerpc/ofw/version b/sys/boot/powerpc/ofw/version
new file mode 100644
index 0000000..cb0f693
--- /dev/null
+++ b/sys/boot/powerpc/ofw/version
@@ -0,0 +1,6 @@
+$FreeBSD$
+
+NOTE ANY CHANGES YOU MAKE TO THE BOOTBLOCKS HERE. The format of this
+file is important. Make sure the current version number is on line 6.
+
+0.1: Initial OFW/PowerPC version.
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