sparc64 port

[Vincent Pelletier <subdino2004@yahoo.fr>]

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I fixed the sparc64 port.
Current status is : rescue mode works, it can only be netbooted, no
module support, no utils (grub-emu, grub-install,...)

I separate the Changelog in 2 parts, one for the changes I made that
could interfere with the other ports (sparc_common.diff), and another
for the added files (sparc64_files.tar.bz2). It should add only needed
files & directories.

I added /* FIXME (sparc64).  */ in each file that contains hard-coded
values that might not be appropriate for sparc64 port. They come from
powerpc port but I don't know what to set instead. Could be in files I
don't use yet (like setjmp.h).

	2005-08-20  Vincent Pelletier  <subdino2004@yahoo.fr>
	
	* configure.ac: Add support for sparc64 host with ieee1275
	firmware.
	* configure: Generated from configure.ac.
	* disk/ieee1275/ofdisk.c (grub_ofdisk_open): use grub_ssize_t
	instead of int.
	(grub_ofdisk_read): Likewise.
	(grub_ofdisk_open): Use %p to print pointer values, and cast the
	pointers as (void *) to remove a warning.
	(grub_ofdisk_close): Likewise.
	(grub_ofdisk_read): Likewise.
	* kern/ieee1275/ieee1275.c (grub_ieee1275_exit): This never
	returns, so make it return void to remove a warning.
	* include/grub/ieee1275/ieee1275.h (grub_ieee1275_exit):
	Corresponding prototype change.
	* kern/mm.c (grub_mm_init_region): Use %p to print pointer
	values, and cast the pointers as (void *) to remove a warning.
	(grub_mm_dump): Likewise.

	2005-08-20  Vincent Pelletier  <subdino2004@yahoo.fr>
	
	* boot/sparc64: New directory.
	* boot/sparc64/ieee1275: New directory.
	* boot/sparc64/ieee1275/cmain.c: New file.
	* conf/sparc64-ieee1275.mk: New file.
	* conf/sparc64-ieee1275.rmk: New file.
	* include/grub/sparc64: New directory.
	* include/grub/sparc64/setjmp.h: New file.
	* include/grub/sparc64/types.h: New file.
	* include/grub/sparc64/ieee1275: New directory.
	* include/grub/sparc64/ieee1275/console.h: New file.
	* include/grub/sparc64/ieee1275/ieee1275.h: New file.
	* include/grub/sparc64/ieee1275/kernel.h: New file.
	* include/grub/sparc64/ieee1275/time.h: New file.
	* kern/sparc64: New directory.
	* kern/sparc64/cache.c: New file.
	* kern/sparc64/dl.c: New file.
	* kern/sparc64/ieee1275: New directory.
	* kern/sparc64/ieee1275/init.c: New file.
	* kern/sparc64/ieee1275/openfw.c: New file.
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[-- Attachment #2: sparc64_common.diff --]
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[-- Attachment #3: sparc64_files.tar.bz2 --]
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