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Make lzma-loader sdram mapping configurable (#1169)

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SVN-Revision: 6598
This commit is contained in:
Eugene Konev 2007-03-18 09:32:22 +00:00
parent 2ee061880b
commit 418ae3a045
3 changed files with 8 additions and 4 deletions
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5
target/linux/generic-2.6/image/lzma-loader/src/Makefile
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@ -4,15 +4,16 @@
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
RAMSTART = 0x80000000
RAMSIZE = 0x00100000 # 1MB
LOADADDR = 0x80400000 # RAM start + 4M
KERNEL_ENTRY = 0x80001000
RAMSIZE = 0x00100000 # 1MB
IMAGE_COPY:=0
CROSS_COMPILE = mips-linux-
OBJCOPY:= $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
CFLAGS := -fno-builtin -Os -G 0 -ffunction-sections -mno-abicalls -fno-pic -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -Wall -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB
CFLAGS := -fno-builtin -Os -G 0 -ffunction-sections -mno-abicalls -fno-pic -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -Wall -DRAMSTART=${RAMSTART} -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB
ifeq ($(IMAGE_COPY),1)
CFLAGS += -DLOADADDR=${LOADADDR} -DIMAGE_COPY=1
endif

5
target/linux/generic-2.6/image/lzma-loader/src/decompress.c
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@ -96,7 +96,10 @@ static __inline__ unsigned char get_byte(void)
return read_byte(0, &buffer, &fake), *buffer;
}
static char *buffer = (char *)0x80C00000;
/* This puts lzma workspace 128k below RAM end.
* That should be enough for both lzma and stack
*/
static char *buffer = (char *)(RAMSTART + RAMSIZE - 0x00020000);
extern char lzma_start[];
extern char lzma_end[];

2
target/linux/generic-2.6/image/lzma-loader/src/start.S
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@ -41,7 +41,7 @@ LEAF(_start)
move t7, a3
/* set up stack */
li sp, 0xa0000000 + RAMSIZE - 16
li sp, RAMSTART + RAMSIZE - 16
#ifdef IMAGE_COPY
/* Copy decompressor code to the right place */