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Date:      Thu, 24 Jun 2010 10:14:31 +0000 (UTC)
From:      "Jayachandran C." <jchandra@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r209502 - in head/sys: conf mips/conf
Message-ID:  <201006241014.o5OAEV7p057212@svn.freebsd.org>

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Author: jchandra
Date: Thu Jun 24 10:14:31 2010
New Revision: 209502
URL: http://svn.freebsd.org/changeset/base/209502

Log:
  Add linker script and configuration file for n32 kernel.
  
  Approved by:	rrs (mentor)

Added:
  head/sys/conf/ldscript.mips.n32   (contents, props changed)
  head/sys/mips/conf/XLRN32   (contents, props changed)

Added: head/sys/conf/ldscript.mips.n32
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/conf/ldscript.mips.n32	Thu Jun 24 10:14:31 2010	(r209502)
@@ -0,0 +1,303 @@
+/*-
+ * 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
+ * $FreeBSD$
+ */
+
+OUTPUT_FORMAT("elf32-ntradbigmips", "elf32-ntradbigmips", 
+		"elf32-ntradlittlemips")
+
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SEARCH_DIR(/usr/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;
+PROVIDE (_DYNAMIC = 0);
+*/
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = KERNLOADADDR + SIZEOF_HEADERS;
+  .text      :
+  {
+    *(.trap)
+    *(.text)
+    *(.text.*)
+    *(.stub)
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+    *(.gnu.linkonce.t.*)
+  } =0x1000000
+  .fini      :
+  {
+    KEEP (*(.fini))
+  } =0x1000000
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
+  PROVIDE (etext = .);
+  .rodata   : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) }
+  .rodata1   : { *(.rodata1) }
+  .interp     : { *(.interp) 	}
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .gnu.version   : { *(.gnu.version)	}
+  .gnu.version_d   : { *(.gnu.version_d)	}
+  .gnu.version_r   : { *(.gnu.version_r)	}
+  .rel.init      : { *(.rel.init)	}
+  .rela.init     : { *(.rela.init)	}
+  .rel.text      :
+    {
+      *(.rel.text)
+      *(.rel.text.*)
+      *(.rel.gnu.linkonce.t.*)
+    }
+  .rela.text     :
+    {
+      *(.rela.text)
+      *(.rela.text.*)
+      *(.rela.gnu.linkonce.t.*)
+    }
+  .rel.fini      : { *(.rel.fini)	}
+  .rela.fini     : { *(.rela.fini)	}
+  .rel.rodata    :
+    {
+      *(.rel.rodata)
+      *(.rel.rodata.*)
+      *(.rel.gnu.linkonce.r.*)
+    }
+  .rela.rodata   :
+    {
+      *(.rela.rodata)
+      *(.rela.rodata.*)
+      *(.rela.gnu.linkonce.r.*)
+    }
+  .rel.data      :
+    {
+      *(.rel.data)
+      *(.rel.data.*)
+      *(.rel.gnu.linkonce.d.*)
+    }
+  .rela.data     :
+    {
+      *(.rela.data)
+      *(.rela.data.*)
+      *(.rela.gnu.linkonce.d.*)
+    }
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.sdata     :
+    {
+      *(.rel.sdata)
+      *(.rel.sdata.*)
+      *(.rel.gnu.linkonce.s.*)
+    }
+  .rela.sdata     :
+    {
+      *(.rela.sdata)
+      *(.rela.sdata.*)
+      *(.rela.gnu.linkonce.s.*)
+    }
+  .rel.sbss      :
+    { 
+      *(.rel.sbss)
+      *(.rel.sbss.*)
+      *(.rel.gnu.linkonce.sb.*)
+    }
+  .rela.sbss     :
+    {
+      *(.rela.sbss)
+      *(.rela.sbss.*)
+      *(.rel.gnu.linkonce.sb.*)
+    }
+  .rel.sdata2    : 
+    { 
+      *(.rel.sdata2)
+      *(.rel.sdata2.*)
+      *(.rel.gnu.linkonce.s2.*)
+    }
+  .rela.sdata2   : 
+    {
+      *(.rela.sdata2)
+      *(.rela.sdata2.*)
+      *(.rela.gnu.linkonce.s2.*)
+    }
+  .rel.sbss2     : 
+    { 
+      *(.rel.sbss2)	
+      *(.rel.sbss2.*)
+      *(.rel.gnu.linkonce.sb2.*)
+    }
+  .rela.sbss2    : 
+    { 
+      *(.rela.sbss2)	
+      *(.rela.sbss2.*)
+      *(.rela.gnu.linkonce.sb2.*)
+    }
+  .rel.bss       : 
+    { 
+      *(.rel.bss)
+      *(.rel.bss.*)
+      *(.rel.gnu.linkonce.b.*)
+    }
+  .rela.bss      : 
+    { 
+      *(.rela.bss)
+      *(.rela.bss.*)
+      *(.rela.gnu.linkonce.b.*)
+    }
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : 
+  { 
+    KEEP (*(.init))
+  } =0x1000000
+  .reginfo : { *(.reginfo) }
+  .sdata2   : { *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) }
+  .sbss2   : { *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) }
+  . = ALIGN(0x2000) + (. & (0x2000 - 1));
+  .data    :
+  {
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d.*)
+    SORT(CONSTRUCTORS)
+  }
+  .data1   : { *(.data1) }
+  .eh_frame : { KEEP (*(.eh_frame)) }
+  .gcc_except_table : { *(.gcc_except_table) }
+  .ctors   : 
+  {
+    /* 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
+       from the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+    KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  }
+   .dtors         :
+  {
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+  .plt      : { *(.plt)	}
+  _gp = ALIGN(16) + 0x7ff0;
+  .got		  : { *(.got.plt) *(.got) }
+  .dynamic       : { *(.dynamic) }
+  /* 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.  */
+  .sdata     : 
+  {
+    *(.sdata) 
+    *(.sdata.*)
+    *(.gnu.linkonce.s.*)
+  }
+  _edata = .;
+  PROVIDE (edata = .);
+  __bss_start = .;
+  .sbss      :
+  {
+    PROVIDE (__sbss_start = .);
+    PROVIDE (___sbss_start = .);
+    *(.dynsbss)
+    *(.sbss)
+    *(.sbss.*)
+    *(.gnu.linkonce.sb.*)
+    *(.scommon)
+    PROVIDE (__sbss_end = .);
+    PROVIDE (___sbss_end = .);
+  }
+  .bss       :
+  {
+   *(.dynbss)
+   *(.bss)
+   *(.bss.*)
+   *(.gnu.linkonce.b.*)
+   *(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);
+  _end = .;
+  PROVIDE (end = .);
+  /* Stabs debugging sections.  */
+  .stab 0 : { *(.stab) }
+  .stabstr 0 : { *(.stabstr) }
+  .stab.excl 0 : { *(.stab.excl) }
+  .stab.exclstr 0 : { *(.stab.exclstr) }
+  .stab.index 0 : { *(.stab.index) }
+  .stab.indexstr 0 : { *(.stab.indexstr) }
+  .comment 0 : { *(.comment) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  /* These must appear regardless of  .  */
+}

Added: head/sys/mips/conf/XLRN32
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/mips/conf/XLRN32	Thu Jun 24 10:14:31 2010	(r209502)
@@ -0,0 +1,133 @@
+# XLRN32 -- Kernel configuration file for N32 kernel on XLR/XLS
+#
+# For more information on this file, please read the handbook section on
+# Kernel Configuration Files:
+#
+#    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
+#
+# The handbook is also available locally in /usr/share/doc/handbook
+# if you've installed the doc distribution, otherwise always see the
+# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
+# latest information.
+#
+# An exhaustive list of options and more detailed explanations of the
+# device lines is also present in the ../../conf/NOTES and NOTES files. 
+# If you are in doubt as to the purpose or necessity of a line, check first 
+# in NOTES.
+#
+# $FreeBSD$
+
+machine 	mips
+cpu 		CPU_MIPS4KC
+ident 		XLR
+
+makeoptions	MODULES_OVERRIDE=""
+makeoptions     TARGET_BIG_ENDIAN
+
+include		"../rmi/std.xlr"
+
+makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
+makeoptions	ARCH_FLAGS="-march=mips64 -mabi=n32"
+makeoptions	LDSCRIPT_NAME=ldscript.mips.n32
+
+#profile		2
+
+options 	SCHED_ULE		# ULE scheduler
+#options		VERBOSE_SYSINIT
+#options 	SCHED_4BSD		# 4BSD scheduler
+options         SMP
+options 	PREEMPTION		# Enable kernel thread preemption
+#options 	FULL_PREEMPTION		# Enable kernel thread preemption
+options 	INET			# InterNETworking
+options 	INET6			# IPv6 communications protocols
+options 	FFS			# Berkeley Fast Filesystem
+#options 	SOFTUPDATES		# Enable FFS soft updates support
+options 	UFS_ACL			# Support for access control lists
+options 	UFS_DIRHASH		# Improve performance on big directories
+options		NFSCLIENT
+options		NFS_ROOT
+#
+options         BOOTP
+options         BOOTP_NFSROOT
+options         BOOTP_NFSV3
+options         BOOTP_WIRED_TO=rge0
+options         BOOTP_COMPAT
+options		ROOTDEVNAME=\"nfs:10.1.1.8:/usr/extra/nfsroot\"
+#
+#options 	MD_ROOT			# MD is a potential root device
+#options		MD_ROOT_SIZE=27000
+#options		MD_ROOT_SIZE=5120
+#options		ROOTDEVNAME=\"ufs:md0\"
+options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
+options 	HZ=1000	
+options 	NO_SWAPPING
+
+#Debugging options
+options 	KTRACE			# ktrace(1) support
+options 	DDB
+options 	KDB
+options 	GDB
+options 	ALT_BREAK_TO_DEBUGGER
+#options 	DEADLKRES		#Enable the deadlock resolver
+options 	INVARIANTS		#Enable calls of extra sanity checking
+options 	INVARIANT_SUPPORT	#Extra sanity checks of internal structures, required by INVARIANTS
+#options 	WITNESS			#Enable checks to detect deadlocks and cycles
+#options 	WITNESS_SKIPSPIN	#Don't run witness on spinlocks for speed
+#options 	KTR			# ktr(4) and ktrdump(8) support
+#options 	KTR_COMPILE=(KTR_LOCK|KTR_PROC|KTR_INTR|KTR_CALLOUT|KTR_UMA|KTR_SYSC|KTR_CRITICAL)
+#options 	KTR_ENTRIES=131072
+#options 	MUTEX_DEBUG
+#options 	MUTEX_PROFILING
+
+device		pci
+#device		ata
+#device		atadisk
+#options 	XLR_PERFMON		# Enable XLR processor activity monitoring
+options  	BREAK_TO_DEBUGGER
+#device 		genclock
+device 		uart
+# Pseudo
+device 		loop
+device 		random
+device 		md
+device 		mem
+device 		pty
+device		bpf
+
+# Network
+device		miibus
+device		rge
+device 		ether
+device		re
+device		msk
+
+device          da
+device          scbus
+#device          ohci            # OHCI PCI->USB interface
+device          ehci            # EHCI PCI->USB interface (USB 2.0)
+device          usb             # USB Bus (required)
+options 	USB_DEBUG	# enable debug msgs
+#device         udbp            # USB Double Bulk Pipe devices
+#device          ugen            # Generic
+#device          uhid            # "Human Interface Devices"
+device          umass           # Disks/Mass storage - Requires scbus and da
+
+#device		cfi
+
+#i2c
+# Not yet
+#device      ic
+#device      iic
+#device      iicbb
+#device      iicbus
+#device      xlr_rtc
+#device      xlr_temperature
+#device      xlr_eeprom
+
+#crypto
+# Not yet
+#device cryptodev
+#device crypto
+#device rmisec
+options		ISA_MIPS64
+makeoptions	KERNLOADADDR=0x80100000



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