mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 22:11:53 +02:00
303 lines
8.0 KiB
Diff
303 lines
8.0 KiB
Diff
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--- a/arch/cris/Makefile
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+++ b/arch/cris/Makefile
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@@ -33,7 +33,7 @@ endif
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LD = $(CROSS_COMPILE)ld -mcrislinux
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-OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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+OBJCOPYFLAGS := -O binary -R .bss -R .note -R .note.gnu.build-id -R .comment -S
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CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
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--- a/arch/cris/arch-v10/boot/Makefile
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+++ b/arch/cris/arch-v10/boot/Makefile
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@@ -2,9 +2,6 @@
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# arch/cris/arch-v10/boot/Makefile
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#
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-OBJCOPY = objcopy-cris
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-OBJCOPYFLAGS = -O binary --remove-section=.bss
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-
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subdir- := compressed rescue
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targets := Image
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@@ -14,7 +11,6 @@ $(obj)/Image: vmlinux FORCE
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$(obj)/compressed/vmlinux: $(obj)/Image FORCE
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$(Q)$(MAKE) $(build)=$(obj)/compressed $@
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- $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
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$(obj)/zImage: $(obj)/compressed/vmlinux
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@cp $< $@
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--- a/arch/cris/arch-v10/boot/compressed/Makefile
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+++ b/arch/cris/arch-v10/boot/compressed/Makefile
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@@ -2,13 +2,9 @@
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# arch/cris/arch-v10/boot/compressed/Makefile
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#
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-CC = gcc-cris -melf $(LINUXINCLUDE)
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ccflags-y += -O2
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-LD = ld-cris
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ldflags-y += -T $(obj)/decompress.ld
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OBJECTS = $(obj)/head.o $(obj)/misc.o
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-OBJCOPY = objcopy-cris
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-OBJCOPYFLAGS = -O binary --remove-section=.bss
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quiet_cmd_image = BUILD $@
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cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
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@@ -21,12 +17,6 @@
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$(obj)/decompress.bin: $(obj)/decompress.o FORCE
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$(call if_changed,objcopy)
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-$(obj)/head.o: $(obj)/head.S .config
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- @$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@
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-
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-$(obj)/misc.o: $(obj)/misc.c .config
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- @$(CC) -D__KERNEL__ -c $< -o $@
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-
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$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
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$(call if_changed,image)
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--- a/arch/cris/arch-v10/boot/compressed/decompress.ld
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+++ b/arch/cris/arch-v10/boot/compressed/decompress.ld
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@@ -1,4 +1,4 @@
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-OUTPUT_FORMAT(elf32-us-cris)
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+OUTPUT_FORMAT(elf32-cris)
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MEMORY
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{
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--- a/arch/cris/arch-v10/boot/compressed/head.S
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+++ b/arch/cris/arch-v10/boot/compressed/head.S
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@@ -10,13 +10,14 @@
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#define ASSEMBLER_MACROS_ONLY
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#include <asm/arch/sv_addr_ag.h>
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+#include <linux/autoconf.h>
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#define RAM_INIT_MAGIC 0x56902387
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#define COMMAND_LINE_MAGIC 0x87109563
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;; Exported symbols
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- .globl _input_data
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+ .globl input_data
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.text
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@@ -26,7 +27,7 @@
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;; We need to initialze DRAM registers before we start using the DRAM
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- cmp.d RAM_INIT_MAGIC, r8 ; Already initialized?
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+ cmp.d RAM_INIT_MAGIC, $r8 ; Already initialized?
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beq dram_init_finished
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nop
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@@ -36,91 +37,91 @@ dram_init_finished:
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;; Initiate the PA and PB ports
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- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0
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- move.b r0, [R_PORT_PA_DATA]
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+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
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+ move.b $r0, [R_PORT_PA_DATA]
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- move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0
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- move.b r0, [R_PORT_PA_DIR]
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+ move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
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+ move.b $r0, [R_PORT_PA_DIR]
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- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0
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- move.b r0, [R_PORT_PB_DATA]
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+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
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+ move.b $r0, [R_PORT_PB_DATA]
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- move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0
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- move.b r0, [R_PORT_PB_DIR]
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+ move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
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+ move.b $r0, [R_PORT_PB_DIR]
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;; Setup the stack to a suitably high address.
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;; We assume 8 MB is the minimum DRAM in an eLinux
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;; product and put the sp at the top for now.
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- move.d 0x40800000, sp
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+ move.d 0x40800000, $sp
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;; Figure out where the compressed piggyback image is
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;; in the flash (since we wont try to copy it to DRAM
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;; before unpacking). It is at _edata, but in flash.
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;; Use (_edata - basse) as offset to the current PC.
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-basse: move.d pc, r5
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- and.d 0x7fffffff, r5 ; strip any non-cache bit
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- subq 2, r5 ; compensate for the move.d pc instr
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- move.d r5, r0 ; save for later - flash address of 'basse'
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- add.d _edata, r5
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- sub.d basse, r5 ; r5 = flash address of '_edata'
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+basse: move.d $pc, $r5
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+ and.d 0x7fffffff, $r5 ; strip any non-cache bit
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+ subq 2, $r5 ; compensate for the move.d pc instr
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+ move.d $r5, $r0 ; save for later - flash address of 'basse'
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+ add.d _edata, $r5
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+ sub.d basse, $r5 ; r5 = flash address of '_edata'
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;; Copy text+data to DRAM
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- move.d basse, r1 ; destination
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- move.d _edata, r2 ; end destination
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-1: move.w [r0+], r3
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- move.w r3, [r1+]
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- cmp.d r2, r1
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+ move.d basse, $r1 ; destination
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+ move.d _edata, $r2 ; end destination
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+1: move.w [$r0+], $r3
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+ move.w $r3, [$r1+]
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+ cmp.d $r2, $r1
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bcs 1b
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nop
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- move.d r5, [_input_data] ; for the decompressor
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+ move.d $r5, [input_data] ; for the decompressor
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;; Clear the decompressors BSS (between _edata and _end)
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- moveq 0, r0
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- move.d _edata, r1
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- move.d _end, r2
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-1: move.w r0, [r1+]
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- cmp.d r2, r1
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+ moveq 0, $r0
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+ move.d _edata, $r1
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+ move.d _end, $r2
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+1: move.w $r0, [$r1+]
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+ cmp.d $r2, $r1
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bcs 1b
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nop
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;; Save command line magic and address.
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- move.d _cmd_line_magic, $r12
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+ move.d cmd_line_magic, $r12
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move.d $r10, [$r12]
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- move.d _cmd_line_addr, $r12
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+ move.d cmd_line_addr, $r12
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move.d $r11, [$r12]
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;; Do the decompression and save compressed size in _inptr
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- jsr _decompress_kernel
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+ jsr decompress_kernel
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;; Put start address of root partition in r9 so the kernel can use it
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;; when mounting from flash
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- move.d [_input_data], r9 ; flash address of compressed kernel
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- add.d [_inptr], r9 ; size of compressed kernel
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+ move.d [input_data], $r9 ; flash address of compressed kernel
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+ add.d [inptr], $r9 ; size of compressed kernel
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;; Restore command line magic and address.
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- move.d _cmd_line_magic, $r10
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+ move.d cmd_line_magic, $r10
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move.d [$r10], $r10
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- move.d _cmd_line_addr, $r11
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+ move.d cmd_line_addr, $r11
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move.d [$r11], $r11
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;; Enter the decompressed kernel
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- move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized
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+ move.d RAM_INIT_MAGIC, $r8 ; Tell kernel that DRAM is initialized
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jump 0x40004000 ; kernel is linked to this address
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.data
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-_input_data:
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+input_data:
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.dword 0 ; used by the decompressor
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-_cmd_line_magic:
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+cmd_line_magic:
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.dword 0
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-_cmd_line_addr:
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+cmd_line_addr:
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.dword 0
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#include "../../lib/hw_settings.S"
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--- a/arch/cris/arch-v10/boot/compressed/misc.c
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+++ b/arch/cris/arch-v10/boot/compressed/misc.c
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@@ -5,7 +5,7 @@
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* adapted for Linux.
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*
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* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
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- * puts by Nick Holloway 1993, better puts by Martin Mares 1995
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+ * putstr by Nick Holloway 1993, better putstr by Martin Mares 1995
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* adaptation for Linux/CRIS Axis Communications AB, 1999
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*
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*/
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@@ -99,12 +99,12 @@ static void error(char *m);
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static void gzip_mark(void **);
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static void gzip_release(void **);
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-static void puts(const char *);
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+static void putstr(const char *);
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/* the "heap" is put directly after the BSS ends, at end */
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-extern int end;
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-static long free_mem_ptr = (long)&end;
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+extern int _end;
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+static long free_mem_ptr = (long)&_end;
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#include "../../../../../lib/inflate.c"
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@@ -139,7 +139,7 @@ static void gzip_release(void **ptr)
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/* decompressor info and error messages to serial console */
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static void
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-puts(const char *s)
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+putstr(const char *s)
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{
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#ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
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while(*s) {
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@@ -209,9 +209,9 @@ flush_window()
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static void
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error(char *x)
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{
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- puts("\n\n");
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- puts(x);
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- puts("\n\n -- System halted\n");
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+ putstr("\n\n");
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+ putstr(x);
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+ putstr("\n\n -- System halted\n");
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while(1); /* Halt */
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}
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@@ -257,14 +257,7 @@ decompress_kernel()
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makecrc();
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- __asm__ volatile ("move vr,%0" : "=rm" (revision));
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- if (revision < 10)
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- {
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- puts("You need an ETRAX 100LX to run linux 2.6\n");
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- while(1);
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- }
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-
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- puts("Uncompressing Linux...\n");
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+ putstr("Uncompressing Linux...\n");
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gunzip();
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- puts("Done. Now booting the kernel.\n");
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+ putstr("Done. Now booting the kernel.\n");
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}
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--- a/arch/cris/arch-v10/mm/init.c
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+++ b/arch/cris/arch-v10/mm/init.c
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@@ -184,6 +184,9 @@ paging_init(void)
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free_area_init_node(0, &contig_page_data, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0);
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}
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+void free_initrd_mem(unsigned long start, unsigned long end)
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+{
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+}
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/* Initialize remaps of some I/O-ports. It is important that this
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* is called before any driver is initialized.
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