Author: nwhitehorn
Date: Mon Jul 12 00:49:22 2010
New Revision: 209920
URL: http://svn.freebsd.org/changeset/base/209920
Log:
Provide support in loader for booting 64-bit PowerPC kernels. Like amd64,
64-bit PowerPC kernels are loaded by a 32-bit loader, since nearly all
powerpc64 firmwares execute in 32-bit mode.
Added:
head/sys/boot/ofw/libofw/ppc64_elf_freebsd.c (contents, props changed)
Modified:
head/sys/boot/Makefile
head/sys/boot/common/Makefile.inc
head/sys/boot/fdt/Makefile
head/sys/boot/ficl/Makefile
head/sys/boot/ofw/Makefile.inc
head/sys/boot/ofw/libofw/Makefile
head/sys/boot/ofw/libofw/libofw.h
head/sys/boot/powerpc/Makefile.inc
head/sys/boot/powerpc/boot1.chrp/Makefile
head/sys/boot/powerpc/ofw/Makefile
head/sys/boot/powerpc/ofw/conf.c
head/sys/boot/powerpc/ofw/ldscript.powerpc
head/sys/boot/powerpc/ofw/metadata.c
head/sys/boot/powerpc/uboot/Makefile
head/sys/boot/powerpc/uboot/ldscript.powerpc
head/sys/boot/uboot/Makefile.inc
Modified: head/sys/boot/Makefile
==============================================================================
--- head/sys/boot/Makefile Mon Jul 12 00:17:29 2010 (r209919)
+++ head/sys/boot/Makefile Mon Jul 12 00:49:22 2010 (r209920)
@@ -13,12 +13,12 @@ SUBDIR+= efi
.endif
# Build Open Firmware library.
-.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "sparc64"
+.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpc64" ||
${MACHINE_ARCH} == "sparc64"
SUBDIR+= ofw
.endif
# Build U-Boot library.
-.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "arm"
+.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpc64" ||
${MACHINE_ARCH} == "arm"
SUBDIR+= uboot
.endif
@@ -31,7 +31,7 @@ SUBDIR+= fdt
.endif
# Pick the machine-dependent subdir based on the target architecture.
-ADIR= ${MACHINE:S/amd64/i386/:S/sun4v/sparc64/}
+ADIR=
${MACHINE:S/amd64/i386/:S/sun4v/sparc64/:S/powerpc64/powerpc/}
.if exists(${.CURDIR}/${ADIR}/.)
SUBDIR+= ${ADIR}
.endif
Modified: head/sys/boot/common/Makefile.inc
==============================================================================
--- head/sys/boot/common/Makefile.inc Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/common/Makefile.inc Mon Jul 12 00:49:22 2010
(r209920)
@@ -9,8 +9,11 @@ SRCS+= load_elf32.c load_elf32_obj.c rel
SRCS+= load_elf64.c load_elf64_obj.c reloc_elf64.c
.elif ${MACHINE} == "pc98"
SRCS+= load_elf32.c load_elf32_obj.c reloc_elf32.c
-.elif ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "arm"
+.elif ${MACHINE_ARCH} == "arm"
SRCS+= load_elf32.c reloc_elf32.c
+.elif ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpc64"
+SRCS+= load_elf32.c reloc_elf32.c
+SRCS+= load_elf64.c reloc_elf64.c
.elif ${MACHINE_ARCH} == "sparc64" || ${MACHINE_ARCH} == "ia64"
SRCS+= load_elf64.c reloc_elf64.c
.endif
Modified: head/sys/boot/fdt/Makefile
==============================================================================
--- head/sys/boot/fdt/Makefile Mon Jul 12 00:17:29 2010 (r209919)
+++ head/sys/boot/fdt/Makefile Mon Jul 12 00:49:22 2010 (r209920)
@@ -16,10 +16,14 @@ CFLAGS+= -I${.CURDIR}/../../contrib/libf
CFLAGS+= -ffreestanding
-.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "arm"
+.if ${MACHINE_CPUARCH} == "powerpc" || ${MACHINE_CPUARCH} == "arm"
CFLAGS+= -msoft-float
.endif
+.if ${MACHINE_ARCH} == "powerpc64"
+CFLAGS+= -m32
+.endif
+
CFLAGS+= -Wformat -Wall
.include <bsd.lib.mk>
Modified: head/sys/boot/ficl/Makefile
==============================================================================
--- head/sys/boot/ficl/Makefile Mon Jul 12 00:17:29 2010 (r209919)
+++ head/sys/boot/ficl/Makefile Mon Jul 12 00:49:22 2010 (r209920)
@@ -1,6 +1,6 @@
# $FreeBSD$
#
-.PATH: ${.CURDIR}/${MACHINE_ARCH:S/amd64/i386/}
+.PATH: ${.CURDIR}/${MACHINE_ARCH:S/amd64/i386/:S/powerpc64/powerpc/}
BASE_SRCS= dict.c ficl.c fileaccess.c float.c loader.c math64.c \
prefix.c search.c stack.c tools.c vm.c words.c
@@ -14,7 +14,7 @@ CFLAGS+= -mno-mmx -mno-3dnow -mno-sse -m
.if ${MACHINE_ARCH} == "i386"
CFLAGS+= -mno-sse3
.endif
-.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "arm"
+.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpc64" ||
${MACHINE_ARCH} == "arm"
CFLAGS+= -msoft-float
.endif
.if ${MACHINE} == "pc98"
@@ -45,7 +45,11 @@ SOFTWORDS= softcore.fr jhlocal.fr marker
CFLAGS+= -m32 -march=i386 -I.
.endif
-CFLAGS+= -I${.CURDIR} -I${.CURDIR}/${MACHINE_ARCH:S/amd64/i386/} \
+.if ${MACHINE_ARCH} == "powerpc64"
+CFLAGS+= -m32 -mcpu=powerpc -I.
+.endif
+
+CFLAGS+= -I${.CURDIR}
-I${.CURDIR}/${MACHINE_ARCH:S/amd64/i386/:S/powerpc64/powerpc/} \
-I${.CURDIR}/../common
softcore.c: ${SOFTWORDS} softcore.awk
Modified: head/sys/boot/ofw/Makefile.inc
==============================================================================
--- head/sys/boot/ofw/Makefile.inc Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/ofw/Makefile.inc Mon Jul 12 00:49:22 2010
(r209920)
@@ -1,3 +1,8 @@
# $FreeBSD$
+.if ${MACHINE_ARCH} == "powerpc64"
+CFLAGS+= -m32 -mcpu=powerpc
+LDFLAGS+= -m elf32ppc
+.endif
+
.include "../Makefile.inc"
Modified: head/sys/boot/ofw/libofw/Makefile
==============================================================================
--- head/sys/boot/ofw/libofw/Makefile Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/ofw/libofw/Makefile Mon Jul 12 00:49:22 2010
(r209920)
@@ -13,8 +13,9 @@ CFLAGS+= -I${.CURDIR}/../../../../lib/li
CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR}/../../.. -I.
CFLAGS+= -ffreestanding
-.if ${MACHINE_ARCH} == "powerpc"
+.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpc64"
CFLAGS+= -msoft-float
+SRCS+= ppc64_elf_freebsd.c
.endif
.ifdef(BOOT_DISK_DEBUG)
Modified: head/sys/boot/ofw/libofw/libofw.h
==============================================================================
--- head/sys/boot/ofw/libofw/libofw.h Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/ofw/libofw/libofw.h Mon Jul 12 00:49:22 2010
(r209920)
@@ -62,6 +62,9 @@ int ofw_elf_loadfile(char *, vm_offset_t
int ofw_elf_exec(struct preloaded_file *);
extern struct file_format ofw_elf;
+#ifdef __powerpc__
+extern struct file_format ofw_elf64;
+#endif
extern void reboot(void);
Added: head/sys/boot/ofw/libofw/ppc64_elf_freebsd.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/boot/ofw/libofw/ppc64_elf_freebsd.c Mon Jul 12 00:49:22
2010 (r209920)
@@ -0,0 +1,101 @@
+/*-
+ * Copyright (c) 2001 Benno Rice <be...@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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#define __ELF_WORD_SIZE 64
+
+#include <sys/param.h>
+#include <sys/linker.h>
+
+#include <machine/metadata.h>
+#include <machine/elf.h>
+
+#include <stand.h>
+
+#include "bootstrap.h"
+#include "libofw.h"
+#include "openfirm.h"
+
+extern char end[];
+extern vm_offset_t reloc; /* From <arch>/conf.c */
+
+int
+ppc64_ofw_elf_loadfile(char *filename, u_int64_t dest,
+ struct preloaded_file **result)
+{
+ int r;
+
+ r = __elfN(loadfile)(filename, dest, result);
+ if (r != 0)
+ return (r);
+
+ /*
+ * No need to sync the icache for modules: this will
+ * be done by the kernel after relocation.
+ */
+ if (!strcmp((*result)->f_type, "elf kernel"))
+ __syncicache((void *) (*result)->f_addr, (*result)->f_size);
+ return (0);
+}
+
+int
+ppc64_ofw_elf_exec(struct preloaded_file *fp)
+{
+ struct file_metadata *fmp;
+ vm_offset_t mdp;
+ Elf_Ehdr *e;
+ int error;
+ intptr_t entry;
+
+ if ((fmp = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
+ return(EFTYPE);
+ }
+ e = (Elf_Ehdr *)&fmp->md_data;
+
+ /* Handle function descriptor */
+ entry = *(uint64_t *)e->e_entry;
+
+ if ((error = md_load64(fp->f_args, &mdp)) != 0)
+ return (error);
+
+ printf("Kernel entry at 0x%lx ...\n", entry);
+
+ dev_cleanup();
+ ofw_release_heap();
+
+ OF_chain((void *)reloc, end - (char *)reloc, (void *)entry,
+ (void *)mdp, sizeof(mdp));
+
+ panic("exec returned");
+}
+
+struct file_format ofw_elf64 =
+{
+ ppc64_ofw_elf_loadfile,
+ ppc64_ofw_elf_exec
+};
Modified: head/sys/boot/powerpc/Makefile.inc
==============================================================================
--- head/sys/boot/powerpc/Makefile.inc Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/powerpc/Makefile.inc Mon Jul 12 00:49:22 2010
(r209920)
@@ -1,3 +1,8 @@
# $FreeBSD$
+.if ${MACHINE_ARCH} == "powerpc64"
+CFLAGS+= -m32 -mcpu=powerpc
+LDFLAGS+= -m elf32ppc
+.endif
+
.include "../Makefile.inc"
Modified: head/sys/boot/powerpc/boot1.chrp/Makefile
==============================================================================
--- head/sys/boot/powerpc/boot1.chrp/Makefile Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/powerpc/boot1.chrp/Makefile Mon Jul 12 00:49:22 2010
(r209920)
@@ -13,7 +13,7 @@ SRCS= boot1.c ashldi3.c
INTERNALPROG=
NO_MAN=
-CFLAGS= -ffreestanding -msoft-float -Os -D_KERNEL \
+CFLAGS= -ffreestanding -msoft-float -Os \
-I${.CURDIR}/../../common -I${.CURDIR}/../../../
LDFLAGS=-nostdlib -static -N
Modified: head/sys/boot/powerpc/ofw/Makefile
==============================================================================
--- head/sys/boot/powerpc/ofw/Makefile Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/powerpc/ofw/Makefile Mon Jul 12 00:49:22 2010
(r209920)
@@ -10,6 +10,7 @@ INSTALLFLAGS= -b
# Architecture-specific loader code
SRCS= conf.c metadata.c vers.c start.c
+SRCS+= ucmpdi2.c
LOADER_DISK_SUPPORT?= yes
LOADER_UFS_SUPPORT?= yes
@@ -62,9 +63,9 @@ LIBFICL= ${.OBJDIR}/../../ficl/libficl.a
CFLAGS+= -DNETIF_OPEN_CLOSE_ONCE
# Always add MI sources
-.PATH: ${.CURDIR}/../../common
+.PATH: ${.CURDIR}/../../common ${.CURDIR}/../../../libkern
.include "${.CURDIR}/../../common/Makefile.inc"
-CFLAGS+= -I${.CURDIR}/../../common
+CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR}/../../..
CFLAGS+= -I.
CLEANFILES+= vers.c loader.help
Modified: head/sys/boot/powerpc/ofw/conf.c
==============================================================================
--- head/sys/boot/powerpc/ofw/conf.c Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/powerpc/ofw/conf.c Mon Jul 12 00:49:22 2010
(r209920)
@@ -96,6 +96,7 @@ struct netif_driver *netif_drivers[] = {
struct file_format *file_formats[] = {
&ofw_elf,
+ &ofw_elf64,
NULL
};
Modified: head/sys/boot/powerpc/ofw/ldscript.powerpc
==============================================================================
--- head/sys/boot/powerpc/ofw/ldscript.powerpc Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/powerpc/ofw/ldscript.powerpc Mon Jul 12 00:49:22 2010
(r209920)
@@ -1,7 +1,7 @@
/* $FreeBSD$ */
OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
-OUTPUT_ARCH(powerpc)
+OUTPUT_ARCH(powerpc:common)
ENTRY(_start)
SEARCH_DIR(/usr/lib);
/* Do we need any of these for elf?
Modified: head/sys/boot/powerpc/ofw/metadata.c
==============================================================================
--- head/sys/boot/powerpc/ofw/metadata.c Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/powerpc/ofw/metadata.c Mon Jul 12 00:49:22 2010
(r209920)
@@ -175,6 +175,9 @@ md_copyenv(vm_offset_t addr)
* MOD_SIZE sizeof(size_t) module size
* MOD_METADATA (variable) type-specific metadata
*/
+
+static int align;
+
#define COPY32(v, a, c) { \
u_int32_t x = (v); \
if (c) \
@@ -187,7 +190,7 @@ md_copyenv(vm_offset_t addr)
COPY32(strlen(s) + 1, a, c) \
if (c) \
archsw.arch_copyin(s, a, strlen(s) + 1);\
- a += roundup(strlen(s) + 1, sizeof(u_long));\
+ a += roundup(strlen(s) + 1, align); \
}
#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
@@ -199,7 +202,7 @@ md_copyenv(vm_offset_t addr)
COPY32(sizeof(s), a, c); \
if (c) \
archsw.arch_copyin(&s, a, sizeof(s)); \
- a += roundup(sizeof(s), sizeof(u_long)); \
+ a += roundup(sizeof(s), align); \
}
#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
@@ -210,7 +213,7 @@ md_copyenv(vm_offset_t addr)
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)); \
+ a += roundup(mm->md_size, align); \
}
#define MOD_END(a, c) { \
@@ -219,10 +222,11 @@ md_copyenv(vm_offset_t addr)
}
vm_offset_t
-md_copymodules(vm_offset_t addr)
+md_copymodules(vm_offset_t addr, int kern64)
{
struct preloaded_file *fp;
struct file_metadata *md;
+ uint64_t scratch64;
int c;
c = addr != 0;
@@ -233,8 +237,15 @@ md_copymodules(vm_offset_t addr)
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);
+ if (kern64) {
+ scratch64 = fp->f_addr;
+ MOD_ADDR(addr, scratch64, c);
+ scratch64 = fp->f_size;
+ MOD_SIZE(addr, scratch64, c);
+ } else {
+ 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);
@@ -254,7 +265,7 @@ md_copymodules(vm_offset_t addr)
* - Module metadata are formatted and placed in kernel space.
*/
int
-md_load(char *args, vm_offset_t *modulep)
+md_load_dual(char *args, vm_offset_t *modulep, int kern64)
{
struct preloaded_file *kfp;
struct preloaded_file *xp;
@@ -263,11 +274,11 @@ md_load(char *args, vm_offset_t *modulep
vm_offset_t addr;
vm_offset_t envp;
vm_offset_t size;
+ uint64_t scratch64;
char *rootdevname;
int howto;
- int dtlb_slots;
- int itlb_slots;
+ align = kern64 ? 8 : 4;
howto = md_getboothowto(args);
/*
@@ -298,23 +309,48 @@ md_load(char *args, vm_offset_t *modulep
addr = roundup(addr, PAGE_SIZE);
kernend = 0;
- kfp = file_findfile(NULL, "elf32 kernel");
+ kfp = file_findfile(NULL, kern64 ? "elf64 kernel" : "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);
+ if (kern64) {
+ scratch64 = envp;
+ file_addmetadata(kfp, MODINFOMD_ENVP, sizeof scratch64, &scratch64);
+ scratch64 = kernend;
+ file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof scratch64, &scratch64);
+ } else {
+ file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
+ file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
+ }
*modulep = addr;
- size = md_copymodules(0);
+ size = md_copymodules(0, kern64);
kernend = roundup(addr + size, PAGE_SIZE);
md = file_findmetadata(kfp, MODINFOMD_KERNEND);
- bcopy(&kernend, md->md_data, sizeof kernend);
-
- (void)md_copymodules(addr);
+ if (kern64) {
+ scratch64 = kernend;
+ bcopy(&scratch64, md->md_data, sizeof scratch64);
+ } else {
+ bcopy(&kernend, md->md_data, sizeof kernend);
+ }
+
+ (void)md_copymodules(addr, kern64);
return(0);
}
+
+int
+md_load(char *args, vm_offset_t *modulep)
+{
+ return (md_load_dual(args, modulep, 0));
+}
+
+int
+md_load64(char *args, vm_offset_t *modulep)
+{
+ return (md_load_dual(args, modulep, 1));
+}
+
Modified: head/sys/boot/powerpc/uboot/Makefile
==============================================================================
--- head/sys/boot/powerpc/uboot/Makefile Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/powerpc/uboot/Makefile Mon Jul 12 00:49:22 2010
(r209920)
@@ -10,6 +10,7 @@ NO_MAN=
# Architecture-specific loader code
SRCS= start.S conf.c vers.c
+SRCS+= ucmpdi2.c
LOADER_DISK_SUPPORT?= yes
LOADER_UFS_SUPPORT?= yes
@@ -68,9 +69,9 @@ LIBFICL= ${.OBJDIR}/../../ficl/libficl.a
.endif
# Always add MI sources
-.PATH: ${.CURDIR}/../../common
+.PATH: ${.CURDIR}/../../common ${.CURDIR}/../../../libkern
.include "${.CURDIR}/../../common/Makefile.inc"
-CFLAGS+= -I${.CURDIR}/../../common
+CFLAGS+= -I${.CURDIR}/../../common -I${.CURDIR}/../../..
CFLAGS+= -I.
CLEANFILES+= vers.c ${PROG}.help
Modified: head/sys/boot/powerpc/uboot/ldscript.powerpc
==============================================================================
--- head/sys/boot/powerpc/uboot/ldscript.powerpc Mon Jul 12 00:17:29
2010 (r209919)
+++ head/sys/boot/powerpc/uboot/ldscript.powerpc Mon Jul 12 00:49:22
2010 (r209920)
@@ -1,7 +1,7 @@
/* $FreeBSD$ */
OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
-OUTPUT_ARCH(powerpc)
+OUTPUT_ARCH(powerpc:common)
ENTRY(_start)
SEARCH_DIR(/usr/lib);
PROVIDE (__stack = 0);
Modified: head/sys/boot/uboot/Makefile.inc
==============================================================================
--- head/sys/boot/uboot/Makefile.inc Mon Jul 12 00:17:29 2010
(r209919)
+++ head/sys/boot/uboot/Makefile.inc Mon Jul 12 00:49:22 2010
(r209920)
@@ -1,3 +1,8 @@
# $FreeBSD$
+.if ${MACHINE_ARCH} == "powerpc64"
+CFLAGS+= -m32 -mcpu=powerpc
+LDFLAGS+= -m elf32ppc
+.endif
+
.include "../Makefile.inc"
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