The final commit for the first phase of PowerPC support.

This adds the config stuff needed to build kernels.

Reviewed by:	obrien

sys/conf/Makefile.powerpc

@@ -1,4 +1,4 @@
-# Makefile.i386 -- with config changes.
+# Makefile.powerpc -- with config changes.
 # Copyright 1990 W. Jolitz
 #	from: @(#)Makefile.i386	7.1 5/10/91
 # $FreeBSD$
@@ -8,17 +8,20 @@
 # This makefile is constructed from a machine description:
 #	config machineid
 # Most changes should be made in the machine description
-#	/sys/i386/conf/``machineid''
+#	/sys/powerpc/conf/``machineid''
 # after which you should do
 #	 config machineid
 # Generic makefile changes should be made in
-#	/sys/i386/conf/Makefile.i386
+#	/sys/powerpc/conf/Makefile.powerpc
 # after which config should be rerun for all machines.
 #
 
 # Which version of config(8) is required.
 %VERSREQ=	500006
 
+# Temporary stuff while we're still embryonic
+NO_MODULES?=	yes
+
 # Can be overridden by makeoptions or /etc/make.conf
 KERNEL_KO?=	kernel
 KERNEL?=	kernel

sys/conf/files.powerpc

@@ -0,0 +1,52 @@
+# This file tells config what files go into building a kernel,
+# files marked standard are always included.
+#
+# $FreeBSD$
+#
+# The long compile-with and dependency lines are required because of
+# limitations in config: backslash-newline doesn't work in strings, and
+# dependency lines other than the first are silently ignored.
+#
+#
+kern/subr_diskmbr.c		standard
+
+powerpc/powerpc/atomic.s	standard
+powerpc/powerpc/autoconf.c	standard
+powerpc/powerpc/bcopy.c		standard
+powerpc/powerpc/clock.c		standard
+powerpc/powerpc/copyinstr.c	standard
+powerpc/powerpc/copystr.c	standard
+powerpc/powerpc/elf_machdep.c	standard
+powerpc/powerpc/fubyte.c	standard
+powerpc/powerpc/fuswintr.c	standard
+powerpc/powerpc/fuword.c	standard
+powerpc/powerpc/machdep.c	standard
+powerpc/powerpc/ofwmagic.s	standard
+powerpc/powerpc/ofw_machdep.c	standard
+powerpc/powerpc/pmap.c		standard
+powerpc/powerpc/procfs_machdep.c	standard
+powerpc/powerpc/subyte.c	standard
+powerpc/powerpc/suswintr.c	standard
+powerpc/powerpc/suword.c	standard
+powerpc/powerpc/syncicache.c	standard
+powerpc/powerpc/sys_machdep.c	standard
+powerpc/powerpc/swtch.s		standard
+powerpc/powerpc/trap.c		standard
+powerpc/powerpc/vm_machdep.c	standard
+
+dev/ofw/openfirm.c		standard
+dev/ofw/ofw_console.c		standard
+
+libkern/ashldi3.c		standard
+libkern/ashrdi3.c		standard
+libkern/bcmp.c			standard
+libkern/divdi3.c		standard
+libkern/ffs.c			standard
+libkern/lshrdi3.c		standard
+libkern/moddi3.c		standard
+libkern/qdivrem.c		standard
+libkern/ucmpdi2.c		standard
+libkern/udivdi3.c		standard
+libkern/umoddi3.c		standard
+
+powerpc/powerpc/mp_machdep.c	optional smp

sys/conf/ldscript.powerpc

@@ -1,13 +1,16 @@
 /* $FreeBSD$ */
-OUTPUT_FORMAT("elf64-alpha", "elf64-alpha", "elf64-alpha")
-OUTPUT_ARCH(alpha)
+
+OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
+OUTPUT_ARCH(powerpc)
 ENTRY(__start)
 SEARCH_DIR(/usr/lib);
-kernel_text = 0xfffffc0000300000;
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+PROVIDE (__stack = 0);
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
-  . = 0xfffffc0000300000 + SIZEOF_HEADERS;
+  . = 0x00100000 + SIZEOF_HEADERS;
   .interp     : { *(.interp) 	}
   .hash          : { *(.hash)		}
   .dynsym        : { *(.dynsym)		}
@@ -15,47 +18,40 @@ SECTIONS
   .gnu.version   : { *(.gnu.version)	}
   .gnu.version_d   : { *(.gnu.version_d)	}
   .gnu.version_r   : { *(.gnu.version_r)	}
-  .rel.text      :
-    { *(.rel.text) *(.rel.gnu.linkonce.t*) }
   .rela.text     :
     { *(.rela.text) *(.rela.gnu.linkonce.t*) }
-  .rel.data      :
-    { *(.rel.data) *(.rel.gnu.linkonce.d*) }
   .rela.data     :
     { *(.rela.data) *(.rela.gnu.linkonce.d*) }
-  .rel.rodata    :
-    { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
   .rela.rodata   :
     { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
-  .rel.got       : { *(.rel.got)		}
   .rela.got      : { *(.rela.got)		}
-  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.got1     : { *(.rela.got1)		}
+  .rela.got2     : { *(.rela.got2)		}
   .rela.ctors    : { *(.rela.ctors)	}
-  .rel.dtors     : { *(.rel.dtors)	}
   .rela.dtors    : { *(.rela.dtors)	}
-  .rel.init      : { *(.rel.init)	}
   .rela.init     : { *(.rela.init)	}
-  .rel.fini      : { *(.rel.fini)	}
   .rela.fini     : { *(.rela.fini)	}
-  .rel.bss       : { *(.rel.bss)		}
   .rela.bss      : { *(.rela.bss)		}
-  .rel.plt       : { *(.rel.plt)		}
   .rela.plt      : { *(.rela.plt)		}
-  .init          : { *(.init)	} =0x47ff041f
+  .rela.sdata    : { *(.rela.sdata)		}
+  .rela.sbss     : { *(.rela.sbss)		}
+  .rela.sdata2   : { *(.rela.sdata2)		}
+  .rela.sbss2    : { *(.rela.sbss2)		}
   .text      :
   {
     *(.text)
-    *(.stub)
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
     *(.gnu.linkonce.t*)
-  } =0x47ff041f
+  } =0
   _etext = .;
   PROVIDE (etext = .);
-  .fini      : { *(.fini)    } =0x47ff041f
+  .init      : { *(.init)    } =0
+  .fini      : { *(.fini)    } =0
   .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
   .rodata1   : { *(.rodata1) }
-  .reginfo : { *(.reginfo) }
+  .sdata2    : { *(.sdata2)  }
+  .sbss2     : { *(.sbss2)   }
   /* Adjust the address for the data segment.  We want to adjust up to
      the same address within the page on the next page up.  */
   . = .;
@@ -66,42 +62,54 @@ SECTIONS
     CONSTRUCTORS
   }
   .data1   : { *(.data1) }
-  .ctors         :
-  {
-    *(.ctors)
-  }
-  .dtors         :
-  {
-    *(.dtors)
-  }
-  .plt      : { *(.plt)	}
-  .got           : { *(.got.plt) *(.got) }
-  .dynamic       : { *(.dynamic) }
+  .got1           : { *(.got1) }
+  .dynamic        : { *(.dynamic) }
+  /* Put .ctors and .dtors next to the .got2 section, so that the pointers
+     get relocated with -mrelocatable. Also put in the .fixup pointers.
+     The current compiler no longer needs this, but keep it around for 2.7.2  */
+                PROVIDE (_GOT2_START_ = .);
+  .got2           :  { *(.got2) }
+                PROVIDE (__CTOR_LIST__ = .);
+  .ctors          : { *(.ctors) }
+                PROVIDE (__CTOR_END__ = .);
+                PROVIDE (__DTOR_LIST__ = .);
+  .dtors          : { *(.dtors) }
+                PROVIDE (__DTOR_END__ = .);
+                PROVIDE (_FIXUP_START_ = .);
+  .fixup          : { *(.fixup) }
+                PROVIDE (_FIXUP_END_ = .);
+                PROVIDE (_GOT2_END_ = .);
+                PROVIDE (_GOT_START_ = .);
+  .got            : { *(.got) }
+  .got.plt        : { *(.got.plt) }
+                PROVIDE (_GOT_END_ = .);
   /* 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) }
   _edata  =  .;
   PROVIDE (edata = .);
-  __bss_start = .;
-  .sbss      : { *(.sbss) *(.scommon) }
+  .sbss      :
+  {
+    PROVIDE (__sbss_start = .);
+    *(.sbss)
+    *(.scommon)
+    *(.dynsbss)
+    PROVIDE (__sbss_end = .);
+  }
+  .plt   : { *(.plt) }
   .bss       :
   {
+   PROVIDE (__bss_start = .);
    *(.dynbss)
    *(.bss)
    *(COMMON)
   }
-  . = 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.  */

sys/conf/options.powerpc

@@ -0,0 +1,7 @@
+# $FreeBSD$
+
+MPC750			opt_global.h
+IPKDB			opt_ipkdb.h
+
+SHOW_BUSYBUFS
+PANIC_REBOOT_WAIT_TIME	opt_panic.h

sys/powerpc/conf/GENERIC

@@ -0,0 +1,31 @@
+#
+# GENERIC -- Generic kernel configuration file for FreeBSD/powerpc
+#
+# For more information on this file, please read the handbook section on
+# Kernel Configuration Files:
+#
+#    http://www.FreeBSD.org/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 NOTES configuration file. If you are
+# in doubt as to the purpose or necessity of a line, check first in NOTES.
+#
+# $FreeBSD$
+
+machine		powerpc
+cpu		MPC750
+ident		GENERIC
+maxusers	32
+
+#To statically compile in device wiring instead of /boot/device.hints
+#hints		"GENERIC.hints"
+
+#makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
+
+options 	FFS
+options 	COMPAT_43