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-rw-r--r--arch/cris/arch-v10/boot/Makefile9
-rw-r--r--arch/cris/arch-v10/boot/compressed/Makefile43
-rw-r--r--arch/cris/arch-v10/boot/compressed/head.S22
-rw-r--r--arch/cris/arch-v10/boot/rescue/Makefile45
-rw-r--r--arch/cris/arch-v10/boot/rescue/head.S33
5 files changed, 98 insertions, 54 deletions
diff --git a/arch/cris/arch-v10/boot/Makefile b/arch/cris/arch-v10/boot/Makefile
index fe6650368e6..e5b10585110 100644
--- a/arch/cris/arch-v10/boot/Makefile
+++ b/arch/cris/arch-v10/boot/Makefile
@@ -1,12 +1,13 @@
#
# arch/cris/boot/Makefile
#
+target = $(target_boot_dir)
+src = $(src_boot_dir)
zImage: compressed/vmlinuz
-compressed/vmlinuz: $(TOPDIR)/vmlinux
- @$(MAKE) -C compressed vmlinuz
+compressed/vmlinuz:
+ @$(MAKE) -f $(src)/compressed/Makefile $(target_compressed_dir)/vmlinuz
clean:
- rm -f zImage tools/build compressed/vmlinux.out
- @$(MAKE) -C compressed clean
+ @$(MAKE) -f $(src)/compressed/Makefile clean
diff --git a/arch/cris/arch-v10/boot/compressed/Makefile b/arch/cris/arch-v10/boot/compressed/Makefile
index 5f71c2c819e..6584a44820f 100644
--- a/arch/cris/arch-v10/boot/compressed/Makefile
+++ b/arch/cris/arch-v10/boot/compressed/Makefile
@@ -1,40 +1,45 @@
#
-# linux/arch/etrax100/boot/compressed/Makefile
-#
-# create a compressed vmlinux image from the original vmlinux files and romfs
+# create a compressed vmlinuz image from the binary vmlinux.bin file
#
+target = $(target_compressed_dir)
+src = $(src_compressed_dir)
-CC = gcc-cris -melf -I $(TOPDIR)/include
+CC = gcc-cris -melf $(LINUXINCLUDE)
CFLAGS = -O2
LD = ld-cris
OBJCOPY = objcopy-cris
OBJCOPYFLAGS = -O binary --remove-section=.bss
-OBJECTS = head.o misc.o
+OBJECTS = $(target)/head.o $(target)/misc.o
# files to compress
-SYSTEM = $(TOPDIR)/vmlinux.bin
+SYSTEM = $(objtree)/vmlinux.bin
-all: vmlinuz
+all: $(target_compressed_dir)/vmlinuz
-decompress.bin: $(OBJECTS)
- $(LD) -T decompress.ld -o decompress.o $(OBJECTS)
- $(OBJCOPY) $(OBJCOPYFLAGS) decompress.o decompress.bin
-# save it for mkprod in the topdir.
- cp decompress.bin $(TOPDIR)
+$(target)/decompress.bin: $(OBJECTS)
+ $(LD) -T $(src)/decompress.ld -o $(target)/decompress.o $(OBJECTS)
+ $(OBJCOPY) $(OBJCOPYFLAGS) $(target)/decompress.o $(target)/decompress.bin
+# Create vmlinuz image in top-level build directory
+$(target_compressed_dir)/vmlinuz: $(target) piggy.img $(target)/decompress.bin
+ @echo " COMPR vmlinux.bin --> vmlinuz"
+ @cat $(target)/decompress.bin piggy.img > $(target_compressed_dir)/vmlinuz
+ @rm -f piggy.img
-vmlinuz: piggy.img decompress.bin
- cat decompress.bin piggy.img > vmlinuz
- rm -f piggy.img
+$(target)/head.o: $(src)/head.S
+ $(CC) -D__ASSEMBLY__ -traditional -c $< -o $@
-head.o: head.S
- $(CC) -D__ASSEMBLY__ -traditional -c head.S -o head.o
+$(target)/misc.o: $(src)/misc.c
+ $(CC) -D__KERNEL__ -c $< -o $@
# gzip the kernel image
piggy.img: $(SYSTEM)
- cat $(SYSTEM) | gzip -f -9 > piggy.img
+ @cat $(SYSTEM) | gzip -f -9 > piggy.img
+
+$(target):
+ mkdir -p $(target)
clean:
- rm -f piggy.img vmlinuz vmlinuz.o
+ rm -f piggy.img $(objtree)/vmlinuz
diff --git a/arch/cris/arch-v10/boot/compressed/head.S b/arch/cris/arch-v10/boot/compressed/head.S
index 4cbdd4b1d9d..e73f44c998d 100644
--- a/arch/cris/arch-v10/boot/compressed/head.S
+++ b/arch/cris/arch-v10/boot/compressed/head.S
@@ -13,7 +13,8 @@
#include <asm/arch/sv_addr_ag.h>
#define RAM_INIT_MAGIC 0x56902387
-
+#define COMMAND_LINE_MAGIC 0x87109563
+
;; Exported symbols
.globl _input_data
@@ -88,6 +89,12 @@ basse: move.d pc, r5
cmp.d r2, r1
bcs 1b
nop
+
+ ;; Save command line magic and address.
+ move.d _cmd_line_magic, $r12
+ move.d $r10, [$r12]
+ move.d _cmd_line_addr, $r12
+ move.d $r11, [$r12]
;; Do the decompression and save compressed size in _inptr
@@ -98,7 +105,13 @@ basse: move.d pc, r5
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, $r10
+ move.d [$r10], $r10
+ 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
jump 0x40004000 ; kernel is linked to this address
@@ -107,5 +120,8 @@ basse: move.d pc, r5
_input_data:
.dword 0 ; used by the decompressor
-
+_cmd_line_magic:
+ .dword 0
+_cmd_line_addr:
+ .dword 0
#include "../../lib/hw_settings.S"
diff --git a/arch/cris/arch-v10/boot/rescue/Makefile b/arch/cris/arch-v10/boot/rescue/Makefile
index e9f2ba2ad02..8be9b313031 100644
--- a/arch/cris/arch-v10/boot/rescue/Makefile
+++ b/arch/cris/arch-v10/boot/rescue/Makefile
@@ -1,52 +1,53 @@
#
# Makefile for rescue code
#
-ifndef TOPDIR
-TOPDIR = ../../../..
-endif
-CC = gcc-cris -mlinux -I $(TOPDIR)/include
+target = $(target_rescue_dir)
+src = $(src_rescue_dir)
+
+CC = gcc-cris -mlinux $(LINUXINCLUDE)
CFLAGS = -O2
LD = gcc-cris -mlinux -nostdlib
OBJCOPY = objcopy-cris
OBJCOPYFLAGS = -O binary --remove-section=.bss
-all: rescue.bin testrescue.bin kimagerescue.bin
-
-rescue: rescue.bin
- # do nothing
+all: $(target)/rescue.bin $(target)/testrescue.bin $(target)/kimagerescue.bin
-rescue.bin: head.o
- $(LD) -T rescue.ld -o rescue.o head.o
- $(OBJCOPY) $(OBJCOPYFLAGS) rescue.o rescue.bin
- cp rescue.bin $(TOPDIR)
+$(target)/rescue.bin: $(target) $(target)/head.o
+ $(LD) -T $(src)/rescue.ld -o $(target)/rescue.o $(target)/head.o
+ $(OBJCOPY) $(OBJCOPYFLAGS) $(target)/rescue.o $(target)/rescue.bin
+# Place a copy in top-level build directory
+ cp -p $(target)/rescue.bin $(objtree)
-testrescue.bin: testrescue.o
- $(OBJCOPY) $(OBJCOPYFLAGS) testrescue.o tr.bin
+$(target)/testrescue.bin: $(target) $(target)/testrescue.o
+ $(OBJCOPY) $(OBJCOPYFLAGS) $(target)/testrescue.o tr.bin
# Pad it to 784 bytes
dd if=/dev/zero of=tmp2423 bs=1 count=784
cat tr.bin tmp2423 >testrescue_tmp.bin
- dd if=testrescue_tmp.bin of=testrescue.bin bs=1 count=784
+ dd if=testrescue_tmp.bin of=$(target)/testrescue.bin bs=1 count=784
rm tr.bin tmp2423 testrescue_tmp.bin
-kimagerescue.bin: kimagerescue.o
- $(OBJCOPY) $(OBJCOPYFLAGS) kimagerescue.o ktr.bin
+$(target)/kimagerescue.bin: $(target) $(target)/kimagerescue.o
+ $(OBJCOPY) $(OBJCOPYFLAGS) $(target)/kimagerescue.o ktr.bin
# Pad it to 784 bytes, that's what the rescue loader expects
dd if=/dev/zero of=tmp2423 bs=1 count=784
cat ktr.bin tmp2423 >kimagerescue_tmp.bin
- dd if=kimagerescue_tmp.bin of=kimagerescue.bin bs=1 count=784
+ dd if=kimagerescue_tmp.bin of=$(target)/kimagerescue.bin bs=1 count=784
rm ktr.bin tmp2423 kimagerescue_tmp.bin
-head.o: head.S
+$(target):
+ mkdir -p $(target)
+
+$(target)/head.o: $(src)/head.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
-testrescue.o: testrescue.S
+$(target)/testrescue.o: $(src)/testrescue.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
-kimagerescue.o: kimagerescue.S
+$(target)/kimagerescue.o: $(src)/kimagerescue.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
clean:
- rm -f *.o *.bin
+ rm -f $(target)/*.o $(target)/*.bin
fastdep:
diff --git a/arch/cris/arch-v10/boot/rescue/head.S b/arch/cris/arch-v10/boot/rescue/head.S
index 8689ea972c4..addb2194de0 100644
--- a/arch/cris/arch-v10/boot/rescue/head.S
+++ b/arch/cris/arch-v10/boot/rescue/head.S
@@ -1,4 +1,4 @@
-/* $Id: head.S,v 1.6 2003/04/09 08:12:43 pkj Exp $
+/* $Id: head.S,v 1.7 2005/03/07 12:11:06 starvik Exp $
*
* Rescue code, made to reside at the beginning of the
* flash-memory. when it starts, it checks a partition
@@ -121,12 +121,13 @@
;; 0x80000000 if loaded in flash (as it should be)
;; since etrax actually starts at address 2 when booting from flash, we
;; put a nop (2 bytes) here first so we dont accidentally skip the di
-
+
nop
di
jump in_cache ; enter cached area instead
-in_cache:
+in_cache:
+
;; first put a jump test to give a possibility of upgrading the rescue code
;; without erasing/reflashing the sector. we put a longword of -1 here and if
@@ -325,9 +326,29 @@ flash_ok:
;; result will be in r0
checksum:
moveq 0, $r0
-1: addu.b [$r1+], $r0
- subq 1, $r2
- bne 1b
+ moveq CONFIG_ETRAX_FLASH1_SIZE, $r6
+
+ ;; If the first physical flash memory is exceeded wrap to the second one.
+ btstq 26, $r1 ; Are we addressing first flash?
+ bpl 1f
+ nop
+ clear.d $r6
+
+1: test.d $r6 ; 0 = no wrapping
+ beq 2f
+ nop
+ lslq 20, $r6 ; Convert MB to bytes
+ sub.d $r1, $r6
+
+2: addu.b [$r1+], $r0
+ subq 1, $r6 ; Flash memory left
+ beq 3f
+ subq 1, $r2 ; Length left
+ bne 2b
nop
ret
nop
+
+3: move.d MEM_CSE1_START, $r1 ; wrap to second flash
+ ba 2b
+ nop