svn commit: r212634 - in head/sys: conf mips/conf
Neel Natu
neel at FreeBSD.org
Wed Sep 15 05:32:10 UTC 2010
Author: neel
Date: Wed Sep 15 05:32:10 2010
New Revision: 212634
URL: http://svn.freebsd.org/changeset/base/212634
Log:
Add 64-bit SWARM board kernel configs.
Added:
head/sys/conf/ldscript.mips.64.cfe (contents, props changed)
head/sys/mips/conf/SWARM64 (contents, props changed)
head/sys/mips/conf/SWARM64_SMP (contents, props changed)
Added: head/sys/conf/ldscript.mips.64.cfe
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/conf/ldscript.mips.64.cfe Wed Sep 15 05:32:10 2010 (r212634)
@@ -0,0 +1,320 @@
+/*-
+ * Copyright (c) 2001, 2004, 2008, Juniper Networks, Inc.
+ * 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. Neither the name of the Juniper Networks, Inc. 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 JUNIPER NETWORKS 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 JUNIPER NETWORKS 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.
+ *
+ * JNPR: ldscript.mips,v 1.3 2006/10/11 06:12:04
+ * $FreeBSD$
+ */
+
+/*
+ * This linker script is needed to build a kernel for use by Broadcom CFE
+ * when loaded over TFTP; its ELF loader does not support backwards seek
+ * on network I/O streams.
+ * Furthermore, CFE will only load PT_LOAD segments, therefore the dynamic
+ * sections must be placed in their own segment.
+ */
+
+OUTPUT_FORMAT("elf64-tradbigmips", "elf64-tradbigmips", "elf64-tradlittlemips")
+
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SEARCH_DIR(/usr/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0;
+PROVIDE (_DYNAMIC = 0);
+*/
+
+PHDRS
+{
+ headers PT_PHDR FILEHDR PHDRS ;
+ interp PT_INTERP ;
+ text PT_LOAD ;
+ dynamic PT_LOAD ;
+ data PT_LOAD ;
+}
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = KERNLOADADDR ;
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+ KEEP (*(.init))
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+ KEEP (*(.fini))
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+ SORT(CONSTRUCTORS)
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+ /* gcc uses crtbegin.o to find the start of
+ the constructors, so we make sure it is
+ first. Because this is a wildcard, it
+ doesn't matter if the user does not
+ actually link against crtbegin.o; the
+ linker won't look for a file to match a
+ wildcard. The wildcard also means that it
+ doesn't matter which directory crtbegin.o
+ is in. */
+ KEEP (*crtbegin.o(.ctors))
+ /* We don't want to include the .ctor section from
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+ end of ctors marker and it must be last */
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+ KEEP (*(SORT(.ctors.*)))
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+ /* We want the small data sections together, so single-instruction offsets
+ can access them all, and initialized data all before uninitialized, so
+ we can shorten the on-disk segment size. */
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+ {
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+ {
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+ *(COMMON)
+ /* Align here to ensure that the .bss section occupies space up to
+ _end. Align after .bss to ensure correct alignment even if the
+ .bss section disappears because there are no input sections. */
+ . = ALIGN(64 / 8);
+ }
+ . = ALIGN(64 / 8);
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+ /* DWARF 1 */
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+ /* DWARF 2 */
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+}
Added: head/sys/mips/conf/SWARM64
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/mips/conf/SWARM64 Wed Sep 15 05:32:10 2010 (r212634)
@@ -0,0 +1,20 @@
+#
+# $FreeBSD$
+#
+
+include SWARM_COMMON
+
+ident SWARM64
+
+makeoptions ARCH_FLAGS="-mabi=64 -march=mips64"
+makeoptions LDSCRIPT_NAME=ldscript.mips.64.cfe
+makeoptions KERNLOADADDR=0xffffffff80001000
+
+#
+# XXX restrict memory to maximum 4GB because page table entries in pmap
+# are still 32 bits wide
+
+#
+# MAXMEM is specified in units of KB
+#
+options MAXMEM=0x400000
Added: head/sys/mips/conf/SWARM64_SMP
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/mips/conf/SWARM64_SMP Wed Sep 15 05:32:10 2010 (r212634)
@@ -0,0 +1,23 @@
+#
+# $FreeBSD$
+#
+
+include SWARM_COMMON
+
+ident SWARM64_SMP
+
+options SMP
+options PRINTF_BUFR_SIZE=128
+
+makeoptions ARCH_FLAGS="-mabi=64 -march=mips64"
+makeoptions LDSCRIPT_NAME=ldscript.mips.64.cfe
+makeoptions KERNLOADADDR=0xffffffff80001000
+
+#
+# XXX restrict memory to maximum 4GB because page table entries in pmap
+# are still 32 bits wide
+
+#
+# MAXMEM is specified in units of KB
+#
+options MAXMEM=0x400000
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