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[src/trunk]: src Reduce kernel size.
details: https://anonhg.NetBSD.org/src/rev/7a9071334643
branches: trunk
changeset: 764806:7a9071334643
user: nonaka <nonaka%NetBSD.org@localhost>
date: Thu May 05 09:07:59 2011 +0000
description:
Reduce kernel size.
Tested on SL-C1000.
Fix PR/44898.
diffstat:
distrib/zaurus/ramdisk/Makefile | 4 +-
distrib/zaurus/ramdisk/list | 4 +--
sys/arch/zaurus/conf/GENERIC | 11 ++++++-
sys/arch/zaurus/conf/INSTALL | 43 +++++++++++++++++++++++++++++--
sys/arch/zaurus/conf/Makefile.zaurus.inc | 13 ++++++++-
sys/arch/zaurus/stand/zbsdmod/zbsdmod.c | 6 ++--
6 files changed, 66 insertions(+), 15 deletions(-)
diffs (169 lines):
diff -r 63b4f30f2e63 -r 7a9071334643 distrib/zaurus/ramdisk/Makefile
--- a/distrib/zaurus/ramdisk/Makefile Thu May 05 08:46:12 2011 +0000
+++ b/distrib/zaurus/ramdisk/Makefile Thu May 05 09:07:59 2011 +0000
@@ -1,10 +1,10 @@
-# $NetBSD: Makefile,v 1.11 2010/02/11 09:06:51 roy Exp $
+# $NetBSD: Makefile,v 1.12 2011/05/05 09:07:59 nonaka Exp $
.include <bsd.own.mk>
.include "${NETBSDSRCDIR}/distrib/common/Makefile.distrib"
IMAGE= ramdisk.fs
-IMAGESIZE= 2560k
+IMAGESIZE= 2144k
MAKEFS_FLAGS= -f 14
WARNS= 1
diff -r 63b4f30f2e63 -r 7a9071334643 distrib/zaurus/ramdisk/list
--- a/distrib/zaurus/ramdisk/list Thu May 05 08:46:12 2011 +0000
+++ b/distrib/zaurus/ramdisk/list Thu May 05 09:07:59 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: list,v 1.14 2011/01/14 10:26:37 tsutsui Exp $
+# $NetBSD: list,v 1.15 2011/05/05 09:07:59 nonaka Exp $
# usr.bin/less has to be first, otherwise the ramdisk.mk generation fails
SRCDIRS usr.bin/less bin sbin usr.bin usr.sbin gnu/usr.bin
@@ -31,9 +31,7 @@
PROG sbin/init
PROG sbin/mknod
PROG sbin/mount
-PROG sbin/mount_cd9660
PROG sbin/mount_ffs
-PROG sbin/mount_filecore
PROG sbin/mount_kernfs
PROG sbin/mount_msdos
PROG sbin/mount_nfs
diff -r 63b4f30f2e63 -r 7a9071334643 sys/arch/zaurus/conf/GENERIC
--- a/sys/arch/zaurus/conf/GENERIC Thu May 05 08:46:12 2011 +0000
+++ b/sys/arch/zaurus/conf/GENERIC Thu May 05 09:07:59 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: GENERIC,v 1.34 2011/03/06 17:08:33 bouyer Exp $
+# $NetBSD: GENERIC,v 1.35 2011/05/05 09:07:59 nonaka Exp $
#
# GENERIC machine description file
#
@@ -50,7 +50,7 @@
# File systems
file-system FFS # UFS
#file-system EXT2FS # second extended file system (linux)
-file-system LFS # log-structured file system
+#file-system LFS # log-structured file system
file-system MFS # memory file system
file-system NFS # Network File System client
#file-system NTFS # Windows/NT file system (experimental)
@@ -103,6 +103,13 @@
options COMPAT_OSSAUDIO # OSS (Voxware) audio driver compatibility
options COMPAT_BSDPTY # /dev/[pt]ty?? ptys.
+# Wedge support
+options DKWEDGE_AUTODISCOVER # Automatically add dk(4) instances
+#options DKWEDGE_METHOD_GPT # Supports GPT partitions as wedges
+# The following two options can break /etc/fstab, so handle with care
+#options DKWEDGE_METHOD_BSDLABEL # Support disklabel entries as wedges
+#options DKWEDGE_METHOD_MBR # Support MBR partitions as wedges
+
# Shared memory options
options SYSVMSG # System V-like message queues
diff -r 63b4f30f2e63 -r 7a9071334643 sys/arch/zaurus/conf/INSTALL
--- a/sys/arch/zaurus/conf/INSTALL Thu May 05 08:46:12 2011 +0000
+++ b/sys/arch/zaurus/conf/INSTALL Thu May 05 09:07:59 2011 +0000
@@ -1,15 +1,50 @@
-# $NetBSD: INSTALL,v 1.6 2009/12/21 11:20:07 nonaka Exp $
+# $NetBSD: INSTALL,v 1.7 2011/05/05 09:07:59 nonaka Exp $
#
# INSTALL config file (GENERIC with memory disk root)
#
include "arch/zaurus/conf/GENERIC"
-#no options KLOADER
-
# Enable the hooks used for initializing the root memory-disk.
options MEMORY_DISK_HOOKS
options MEMORY_DISK_IS_ROOT # force root on memory disk
options MEMORY_DISK_SERVER=0 # no userspace memory disk support
-options MEMORY_DISK_ROOT_SIZE=5120 # size of memory disk, in blocks
+options MEMORY_DISK_ROOT_SIZE=4288 # size of memory disk, in blocks
options MEMORY_DISK_RBFLAGS=RB_SINGLE # boot in single-user mode
+
+# for reduce kernel size.
+# kernei size must be less than 5MB.
+# - see src/sys/arch/zaurus/stand/zbsdmod/zbsdmod.c:bsdimage[]
+
+makeoptions COPTS="-Os"
+
+no options INSECURE
+
+no file-system NULLFS
+no file-system PROCFS
+no file-system PTYFS
+no file-system TMPFS
+
+no options COMPAT_OSSAUDIO
+
+no options SYSVMSG
+no options SYSVSEM
+no options SYSVSHM
+no options P1003_1B_SEMAPHORE
+
+options PIPE_SOCKETPAIR
+
+no options WSDISPLAY_COMPAT_PCVT
+no options WSDISPLAY_COMPAT_USL
+no options WSDISPLAY_COMPAT_RAWKBD
+
+no options DIAGNOSTIC
+no options DDB
+no options DDB_HISTORY_SIZE
+no options SYMTAB_SPACE
+
+no pseudo-device vnd
+no options VND_COMPRESSION
+no pseudo-device accf_data
+no pseudo-device accf_http
+no pseudo-device ksyms
diff -r 63b4f30f2e63 -r 7a9071334643 sys/arch/zaurus/conf/Makefile.zaurus.inc
--- a/sys/arch/zaurus/conf/Makefile.zaurus.inc Thu May 05 08:46:12 2011 +0000
+++ b/sys/arch/zaurus/conf/Makefile.zaurus.inc Thu May 05 09:07:59 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.zaurus.inc,v 1.2 2006/12/17 16:07:11 peter Exp $
+# $NetBSD: Makefile.zaurus.inc,v 1.3 2011/05/05 09:07:59 nonaka Exp $
MACHINE_ARCH= arm
CPPFLAGS+= -D${MACHINE}
@@ -9,3 +9,14 @@
LINKFLAGS= -T ${THISARM}/conf/ldscript
EXTRA_CLEAN+= netbsd.map assym.d
+
+SYSTEM_LD_TAIL_EXTRA+=; \
+ echo "Checking kernel size..."; \
+ size=`wc -c "$@" | ${TOOL_AWK} '{ print $$1 }'`; \
+ maxsize=5242880; \
+ if [ $$size -gt $$maxsize ]; \
+ then \
+ echo "Fatal: kernel size must be less than 5MB."; \
+ echo "Fatal: kernel size: $$size, max kernel size: $$maxsize"; \
+ false; \
+ fi
diff -r 63b4f30f2e63 -r 7a9071334643 sys/arch/zaurus/stand/zbsdmod/zbsdmod.c
--- a/sys/arch/zaurus/stand/zbsdmod/zbsdmod.c Thu May 05 08:46:12 2011 +0000
+++ b/sys/arch/zaurus/stand/zbsdmod/zbsdmod.c Thu May 05 09:07:59 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: zbsdmod.c,v 1.5 2010/12/26 09:03:56 nonaka Exp $ */
+/* $NetBSD: zbsdmod.c,v 1.6 2011/05/05 09:07:59 nonaka Exp $ */
/* $OpenBSD: zbsdmod.c,v 1.7 2005/05/02 02:45:29 uwe Exp $ */
/*
@@ -74,8 +74,8 @@
static Elf_Off off;
static int havesyms;
-/* The maximum size of a kernel image is restricted to 10MB. */
-static u_int bsdimage[10485760/sizeof(u_int)]; /* XXX use kmalloc() */
+/* The maximum size of a kernel image is restricted to 5MB. */
+static u_int bsdimage[5242880/sizeof(u_int)]; /* XXX use kmalloc() */
static char bootargs[BOOTARGS_BUFSIZ];
/*
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