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Message-ID: <Pine.LNX.4.64.0612091033340.11749@anakin>
Date: Sat, 9 Dec 2006 10:34:38 +0100 (CET)
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Linus Torvalds <torvalds@...l.org>, Andrew Morton <akpm@...l.org>
Cc: Linux Kernel Development <linux-kernel@...r.kernel.org>,
Sam Creasey <sammy@...my.net>,
Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] Sun3: General updates
From: Sam Creasey <sammy@...my.net>
General compile fixes for 2.6.16 for sun3, and some updates to make the new
bootloader work correctly. Tested on 3/50, 3/60, 3/80.
Signed-off-by: Sam Creasey <sammy@...my.net>
Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
arch/m68k/kernel/sun3-head.S | 10 ----------
arch/m68k/kernel/vmlinux-sun3.lds | 2 +-
arch/m68k/mm/sun3mmu.c | 7 +++++--
include/asm-m68k/sun3-head.h | 1 -
include/asm-m68k/sun3ints.h | 1 +
5 files changed, 7 insertions(+), 14 deletions(-)
--- linux-m68k-2.6.19.orig/arch/m68k/kernel/sun3-head.S
+++ linux-m68k-2.6.19/arch/m68k/kernel/sun3-head.S
@@ -67,16 +67,6 @@ ENTRY(_start)
1: lea init_task,%curptr | get initial thread...
lea init_thread_union+THREAD_SIZE,%sp | ...and its stack.
-/* copy bootinfo records from the loader to _end */
- lea _end, %a1
- lea BI_START, %a0
- /* number of longs to copy */
- movel %a0@, %d0
-1: addl #4, %a0
- movel %a0@, %a1@
- addl #4, %a1
- dbf %d0, 1b
-
/* Point MSP at an invalid page to trap if it's used. --m */
movl #(PAGESIZE),%d0
movc %d0,%msp
--- linux-m68k-2.6.19.orig/arch/m68k/kernel/vmlinux-sun3.lds
+++ linux-m68k-2.6.19/arch/m68k/kernel/vmlinux-sun3.lds
@@ -8,7 +8,7 @@ ENTRY(_start)
jiffies = jiffies_64 + 4;
SECTIONS
{
- . = 0xE004000;
+ . = 0xE002000;
_text = .; /* Text and read-only data */
.text : {
*(.head)
--- linux-m68k-2.6.19.orig/arch/m68k/mm/sun3mmu.c
+++ linux-m68k-2.6.19/arch/m68k/mm/sun3mmu.c
@@ -49,7 +49,6 @@ void __init paging_init(void)
unsigned long zones_size[MAX_NR_ZONES] = { 0, };
unsigned long size;
-
#ifdef TEST_VERIFY_AREA
wp_works_ok = 0;
#endif
@@ -94,7 +93,11 @@ void __init paging_init(void)
/* memory sizing is a hack stolen from motorola.c.. hope it works for us */
zones_size[ZONE_DMA] = ((unsigned long)high_memory - PAGE_OFFSET) >> PAGE_SHIFT;
- free_area_init(zones_size);
+ /* I really wish I knew why the following change made things better... -- Sam */
+/* free_area_init(zones_size); */
+ free_area_init_node(0, NODE_DATA(0), zones_size,
+ (__pa(PAGE_OFFSET) >> PAGE_SHIFT) + 1, NULL);
+
}
--- linux-m68k-2.6.19.orig/include/asm-m68k/sun3-head.h
+++ linux-m68k-2.6.19/include/asm-m68k/sun3-head.h
@@ -4,7 +4,6 @@
#define KERNBASE 0xE000000 /* First address the kernel will eventually be */
#define LOAD_ADDR 0x4000 /* prom jumps to us here unless this is elf /boot */
-#define BI_START (KERNBASE + 0x3000) /* beginning of the bootinfo records */
#define FC_CONTROL 3
#define FC_SUPERD 5
#define FC_CPU 7
--- linux-m68k-2.6.19.orig/include/asm-m68k/sun3ints.h
+++ linux-m68k-2.6.19/include/asm-m68k/sun3ints.h
@@ -16,6 +16,7 @@
#include <asm/intersil.h>
#include <asm/oplib.h>
#include <asm/traps.h>
+#include <asm/irq.h>
#define SUN3_INT_VECS 192
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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