mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-25 01:24:04 +02:00
303 lines
8.0 KiB
Diff
303 lines
8.0 KiB
Diff
|
--- a/arch/cris/Makefile
|
||
|
|
+++ b/arch/cris/Makefile
|
||
|
|
@@ -33,7 +33,7 @@ endif
|
||
|
|
|
||
|
|
LD = $(CROSS_COMPILE)ld -mcrislinux
|
||
|
|
|
||
|
|
-OBJCOPYFLAGS := -O binary -R .note -R .comment -S
|
||
|
|
+OBJCOPYFLAGS := -O binary -R .bss -R .note -R .note.gnu.build-id -R .comment -S
|
||
|
|
|
||
|
|
CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
|
||
|
|
|
||
|
|
--- a/arch/cris/arch-v10/boot/Makefile
|
||
|
|
+++ b/arch/cris/arch-v10/boot/Makefile
|
||
|
|
@@ -2,9 +2,6 @@
|
||
|
|
# arch/cris/arch-v10/boot/Makefile
|
||
|
|
#
|
||
|
|
|
||
|
|
-OBJCOPY = objcopy-cris
|
||
|
|
-OBJCOPYFLAGS = -O binary --remove-section=.bss
|
||
|
|
-
|
||
|
|
subdir- := compressed rescue
|
||
|
|
targets := Image
|
||
|
|
|
||
|
|
@@ -14,7 +11,6 @@ $(obj)/Image: vmlinux FORCE
|
||
|
|
|
||
|
|
$(obj)/compressed/vmlinux: $(obj)/Image FORCE
|
||
|
|
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
|
||
|
|
- $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
|
||
|
|
|
||
|
|
$(obj)/zImage: $(obj)/compressed/vmlinux
|
||
|
|
@cp $< $@
|
||
|
|
--- a/arch/cris/arch-v10/boot/compressed/Makefile
|
||
|
|
+++ b/arch/cris/arch-v10/boot/compressed/Makefile
|
||
|
|
@@ -2,13 +2,9 @@
|
||
|
|
# arch/cris/arch-v10/boot/compressed/Makefile
|
||
|
|
#
|
||
|
|
|
||
|
|
-CC = gcc-cris -melf $(LINUXINCLUDE)
|
||
|
|
ccflags-y += -O2
|
||
|
|
-LD = ld-cris
|
||
|
|
ldflags-y += -T $(obj)/decompress.ld
|
||
|
|
OBJECTS = $(obj)/head.o $(obj)/misc.o
|
||
|
|
-OBJCOPY = objcopy-cris
|
||
|
|
-OBJCOPYFLAGS = -O binary --remove-section=.bss
|
||
|
|
|
||
|
|
quiet_cmd_image = BUILD $@
|
||
|
|
cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
|
||
|
|
@@ -21,12 +17,6 @@
|
||
|
|
$(obj)/decompress.bin: $(obj)/decompress.o FORCE
|
||
|
|
$(call if_changed,objcopy)
|
||
|
|
|
||
|
|
-$(obj)/head.o: $(obj)/head.S .config
|
||
|
|
- @$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@
|
||
|
|
-
|
||
|
|
-$(obj)/misc.o: $(obj)/misc.c .config
|
||
|
|
- @$(CC) -D__KERNEL__ -c $< -o $@
|
||
|
|
-
|
||
|
|
$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
|
||
|
|
$(call if_changed,image)
|
||
|
|
|
||
|
|
--- a/arch/cris/arch-v10/boot/compressed/decompress.ld
|
||
|
|
+++ b/arch/cris/arch-v10/boot/compressed/decompress.ld
|
||
|
|
@@ -1,4 +1,4 @@
|
||
|
|
-OUTPUT_FORMAT(elf32-us-cris)
|
||
|
|
+OUTPUT_FORMAT(elf32-cris)
|
||
|
|
|
||
|
|
MEMORY
|
||
|
|
{
|
||
|
|
--- a/arch/cris/arch-v10/boot/compressed/head.S
|
||
|
|
+++ b/arch/cris/arch-v10/boot/compressed/head.S
|
||
|
|
@@ -10,13 +10,14 @@
|
||
|
|
|
||
|
|
#define ASSEMBLER_MACROS_ONLY
|
||
|
|
#include <asm/arch/sv_addr_ag.h>
|
||
|
|
+#include <linux/autoconf.h>
|
||
|
|
|
||
|
|
#define RAM_INIT_MAGIC 0x56902387
|
||
|
|
#define COMMAND_LINE_MAGIC 0x87109563
|
||
|
|
|
||
|
|
;; Exported symbols
|
||
|
|
|
||
|
|
- .globl _input_data
|
||
|
|
+ .globl input_data
|
||
|
|
|
||
|
|
|
||
|
|
.text
|
||
|
|
@@ -26,7 +27,7 @@
|
||
|
|
|
||
|
|
;; We need to initialze DRAM registers before we start using the DRAM
|
||
|
|
|
||
|
|
- cmp.d RAM_INIT_MAGIC, r8 ; Already initialized?
|
||
|
|
+ cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized?
|
||
|
|
beq dram_init_finished
|
||
|
|
nop
|
||
|
|
|
||
|
|
@@ -36,91 +37,91 @@ dram_init_finished:
|
||
|
|
|
||
|
|
;; Initiate the PA and PB ports
|
||
|
|
|
||
|
|
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0
|
||
|
|
- move.b r0, [R_PORT_PA_DATA]
|
||
|
|
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
|
||
|
|
+ move.b $r0, [R_PORT_PA_DATA]
|
||
|
|
|
||
|
|
- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0
|
||
|
|
- move.b r0, [R_PORT_PA_DIR]
|
||
|
|
+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
|
||
|
|
+ move.b $r0, [R_PORT_PA_DIR]
|
||
|
|
|
||
|
|
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0
|
||
|
|
- move.b r0, [R_PORT_PB_DATA]
|
||
|
|
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
|
||
|
|
+ move.b $r0, [R_PORT_PB_DATA]
|
||
|
|
|
||
|
|
- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0
|
||
|
|
- move.b r0, [R_PORT_PB_DIR]
|
||
|
|
+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
|
||
|
|
+ move.b $r0, [R_PORT_PB_DIR]
|
||
|
|
|
||
|
|
;; Setup the stack to a suitably high address.
|
||
|
|
;; We assume 8 MB is the minimum DRAM in an eLinux
|
||
|
|
;; product and put the sp at the top for now.
|
||
|
|
|
||
|
|
- move.d 0x40800000, sp
|
||
|
|
+ move.d 0x40800000, $sp
|
||
|
|
|
||
|
|
;; Figure out where the compressed piggyback image is
|
||
|
|
;; in the flash (since we wont try to copy it to DRAM
|
||
|
|
;; before unpacking). It is at _edata, but in flash.
|
||
|
|
;; Use (_edata - basse) as offset to the current PC.
|
||
|
|
|
||
|
|
-basse: move.d pc, r5
|
||
|
|
- and.d 0x7fffffff, r5 ; strip any non-cache bit
|
||
|
|
- subq 2, r5 ; compensate for the move.d pc instr
|
||
|
|
- move.d r5, r0 ; save for later - flash address of 'basse'
|
||
|
|
- add.d _edata, r5
|
||
|
|
- sub.d basse, r5 ; r5 = flash address of '_edata'
|
||
|
|
+basse: move.d $pc, $r5
|
||
|
|
+ and.d 0x7fffffff, $r5 ; strip any non-cache bit
|
||
|
|
+ subq 2, $r5 ; compensate for the move.d pc instr
|
||
|
|
+ move.d $r5, $r0 ; save for later - flash address of 'basse'
|
||
|
|
+ add.d _edata, $r5
|
||
|
|
+ sub.d basse, $r5 ; r5 = flash address of '_edata'
|
||
|
|
|
||
|
|
;; Copy text+data to DRAM
|
||
|
|
|
||
|
|
- move.d basse, r1 ; destination
|
||
|
|
- move.d _edata, r2 ; end destination
|
||
|
|
-1: move.w [r0+], r3
|
||
|
|
- move.w r3, [r1+]
|
||
|
|
- cmp.d r2, r1
|
||
|
|
+ move.d basse, $r1 ; destination
|
||
|
|
+ move.d _edata, $r2 ; end destination
|
||
|
|
+1: move.w [$r0+], $r3
|
||
|
|
+ move.w $r3, [$r1+]
|
||
|
|
+ cmp.d $r2, $r1
|
||
|
|
bcs 1b
|
||
|
|
nop
|
||
|
|
|
||
|
|
- move.d r5, [_input_data] ; for the decompressor
|
||
|
|
+ move.d $r5, [input_data] ; for the decompressor
|
||
|
|
|
||
|
|
|
||
|
|
;; Clear the decompressors BSS (between _edata and _end)
|
||
|
|
|
||
|
|
- moveq 0, r0
|
||
|
|
- move.d _edata, r1
|
||
|
|
- move.d _end, r2
|
||
|
|
-1: move.w r0, [r1+]
|
||
|
|
- cmp.d r2, r1
|
||
|
|
+ moveq 0, $r0
|
||
|
|
+ move.d _edata, $r1
|
||
|
|
+ move.d _end, $r2
|
||
|
|
+1: move.w $r0, [$r1+]
|
||
|
|
+ cmp.d $r2, $r1
|
||
|
|
bcs 1b
|
||
|
|
nop
|
||
|
|
|
||
|
|
;; Save command line magic and address.
|
||
|
|
- move.d _cmd_line_magic, $r12
|
||
|
|
+ move.d cmd_line_magic, $r12
|
||
|
|
move.d $r10, [$r12]
|
||
|
|
- move.d _cmd_line_addr, $r12
|
||
|
|
+ move.d cmd_line_addr, $r12
|
||
|
|
move.d $r11, [$r12]
|
||
|
|
|
||
|
|
;; Do the decompression and save compressed size in _inptr
|
||
|
|
|
||
|
|
- jsr _decompress_kernel
|
||
|
|
+ jsr decompress_kernel
|
||
|
|
|
||
|
|
;; Put start address of root partition in r9 so the kernel can use it
|
||
|
|
;; when mounting from flash
|
||
|
|
|
||
|
|
- move.d [_input_data], r9 ; flash address of compressed kernel
|
||
|
|
- add.d [_inptr], r9 ; size of compressed kernel
|
||
|
|
+ move.d [input_data], $r9 ; flash address of compressed kernel
|
||
|
|
+ add.d [inptr], $r9 ; size of compressed kernel
|
||
|
|
|
||
|
|
;; Restore command line magic and address.
|
||
|
|
- move.d _cmd_line_magic, $r10
|
||
|
|
+ move.d cmd_line_magic, $r10
|
||
|
|
move.d [$r10], $r10
|
||
|
|
- move.d _cmd_line_addr, $r11
|
||
|
|
+ move.d cmd_line_addr, $r11
|
||
|
|
move.d [$r11], $r11
|
||
|
|
|
||
|
|
;; Enter the decompressed kernel
|
||
|
|
- move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized
|
||
|
|
+ move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized
|
||
|
|
jump 0x40004000 ; kernel is linked to this address
|
||
|
|
|
||
|
|
.data
|
||
|
|
|
||
|
|
-_input_data:
|
||
|
|
+input_data:
|
||
|
|
.dword 0 ; used by the decompressor
|
||
|
|
-_cmd_line_magic:
|
||
|
|
+cmd_line_magic:
|
||
|
|
.dword 0
|
||
|
|
-_cmd_line_addr:
|
||
|
|
+cmd_line_addr:
|
||
|
|
.dword 0
|
||
|
|
#include "../../lib/hw_settings.S"
|
||
|
|
--- a/arch/cris/arch-v10/boot/compressed/misc.c
|
||
|
|
+++ b/arch/cris/arch-v10/boot/compressed/misc.c
|
||
|
|
@@ -5,7 +5,7 @@
|
||
|
|
* adapted for Linux.
|
||
|
|
*
|
||
|
|
* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
|
||
|
|
- * puts by Nick Holloway 1993, better puts by Martin Mares 1995
|
||
|
|
+ * putstr by Nick Holloway 1993, better putstr by Martin Mares 1995
|
||
|
|
* adaptation for Linux/CRIS Axis Communications AB, 1999
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
@@ -99,12 +99,12 @@ static void error(char *m);
|
||
|
|
static void gzip_mark(void **);
|
||
|
|
static void gzip_release(void **);
|
||
|
|
|
||
|
|
-static void puts(const char *);
|
||
|
|
+static void putstr(const char *);
|
||
|
|
|
||
|
|
/* the "heap" is put directly after the BSS ends, at end */
|
||
|
|
|
||
|
|
-extern int end;
|
||
|
|
-static long free_mem_ptr = (long)&end;
|
||
|
|
+extern int _end;
|
||
|
|
+static long free_mem_ptr = (long)&_end;
|
||
|
|
|
||
|
|
#include "../../../../../lib/inflate.c"
|
||
|
|
|
||
|
|
@@ -139,7 +139,7 @@ static void gzip_release(void **ptr)
|
||
|
|
/* decompressor info and error messages to serial console */
|
||
|
|
|
||
|
|
static void
|
||
|
|
-puts(const char *s)
|
||
|
|
+putstr(const char *s)
|
||
|
|
{
|
||
|
|
#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
|
||
|
|
while(*s) {
|
||
|
|
@@ -209,9 +209,9 @@ flush_window()
|
||
|
|
static void
|
||
|
|
error(char *x)
|
||
|
|
{
|
||
|
|
- puts("\n\n");
|
||
|
|
- puts(x);
|
||
|
|
- puts("\n\n -- System halted\n");
|
||
|
|
+ putstr("\n\n");
|
||
|
|
+ putstr(x);
|
||
|
|
+ putstr("\n\n -- System halted\n");
|
||
|
|
|
||
|
|
while(1); /* Halt */
|
||
|
|
}
|
||
|
|
@@ -257,14 +257,7 @@ decompress_kernel()
|
||
|
|
|
||
|
|
makecrc();
|
||
|
|
|
||
|
|
- __asm__ volatile ("move vr,%0" : "=rm" (revision));
|
||
|
|
- if (revision < 10)
|
||
|
|
- {
|
||
|
|
- puts("You need an ETRAX 100LX to run linux 2.6\n");
|
||
|
|
- while(1);
|
||
|
|
- }
|
||
|
|
-
|
||
|
|
- puts("Uncompressing Linux...\n");
|
||
|
|
+ putstr("Uncompressing Linux...\n");
|
||
|
|
gunzip();
|
||
|
|
- puts("Done. Now booting the kernel.\n");
|
||
|
|
+ putstr("Done. Now booting the kernel.\n");
|
||
|
|
}
|
||
|
|
--- a/arch/cris/arch-v10/mm/init.c
|
||
|
|
+++ b/arch/cris/arch-v10/mm/init.c
|
||
|
|
@@ -184,6 +184,9 @@ paging_init(void)
|
||
|
|
|
||
|
|
free_area_init_node(0, &contig_page_data, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0);
|
||
|
|
}
|
||
|
|
+void free_initrd_mem(unsigned long start, unsigned long end)
|
||
|
|
+{
|
||
|
|
+}
|
||
|
|
|
||
|
|
/* Initialize remaps of some I/O-ports. It is important that this
|
||
|
|
* is called before any driver is initialized.
|