diff options
Diffstat (limited to 'arch/mips/boot/compressed')
| -rw-r--r-- | arch/mips/boot/compressed/Makefile | 20 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/dbg.c | 4 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/decompress.c | 8 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/uart-alchemy.c | 7 |
4 files changed, 29 insertions, 10 deletions
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 671d3448fad..790ddd39762 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -9,13 +9,16 @@ # modified by Cort (cort@cs.nmt.edu) # # Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University -# Author: Wu Zhangjin <wuzj@lemote.com> +# Author: Wu Zhangjin <wuzhangjin@gmail.com> # # compressed kernel load addr: VMLINUZ_LOAD_ADDRESS > VMLINUX_LOAD_ADDRESS + VMLINUX_SIZE VMLINUX_SIZE := $(shell wc -c $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | cut -d' ' -f1) -VMLINUX_SIZE := $(shell [ -n "$(VMLINUX_SIZE)" ] && echo $$(($(VMLINUX_SIZE) + (65536 - $(VMLINUX_SIZE) % 65536)))) -VMLINUZ_LOAD_ADDRESS := 0x$(shell [ -n "$(VMLINUX_SIZE)" ] && printf %x $$(($(VMLINUX_LOAD_ADDRESS) + $(VMLINUX_SIZE)))) +VMLINUX_SIZE := $(shell [ -n "$(VMLINUX_SIZE)" ] && echo -n $$(($(VMLINUX_SIZE) + (65536 - $(VMLINUX_SIZE) % 65536)))) +# VMLINUZ_LOAD_ADDRESS = concat "high32 of VMLINUX_LOAD_ADDRESS" and "(low32 of VMLINUX_LOAD_ADDRESS) + VMLINUX_SIZE" +HIGH32 := $(shell A=$(VMLINUX_LOAD_ADDRESS); [ $${\#A} -gt 10 ] && expr substr "$(VMLINUX_LOAD_ADDRESS)" 3 $$(($${\#A} - 10))) +LOW32 := $(shell [ -n "$(HIGH32)" ] && A=11 || A=3; expr substr "$(VMLINUX_LOAD_ADDRESS)" $${A} 8) +VMLINUZ_LOAD_ADDRESS := 0x$(shell [ -n "$(VMLINUX_SIZE)" -a -n "$(LOW32)" ] && printf "$(HIGH32)%08x" $$(($(VMLINUX_SIZE) + 0x$(LOW32)))) # set the default size of the mallocing area for decompressing BOOT_HEAP_SIZE := 0x400000 @@ -24,15 +27,18 @@ BOOT_HEAP_SIZE := 0x400000 KBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//") KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ - -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" \ + -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ - -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ ) \ - -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) + -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ + -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ ) obj-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o +ifdef CONFIG_DEBUG_ZBOOT obj-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o +obj-$(CONFIG_MACH_ALCHEMY) += $(obj)/uart-alchemy.o +endif OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S $(obj)/vmlinux.bin: $(KBUILD_IMAGE) @@ -41,9 +47,11 @@ $(obj)/vmlinux.bin: $(KBUILD_IMAGE) suffix_$(CONFIG_KERNEL_GZIP) = gz suffix_$(CONFIG_KERNEL_BZIP2) = bz2 suffix_$(CONFIG_KERNEL_LZMA) = lzma +suffix_$(CONFIG_KERNEL_LZO) = lzo tool_$(CONFIG_KERNEL_GZIP) = gzip tool_$(CONFIG_KERNEL_BZIP2) = bzip2 tool_$(CONFIG_KERNEL_LZMA) = lzma +tool_$(CONFIG_KERNEL_LZO) = lzo $(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin $(call if_changed,$(tool_y)) diff --git a/arch/mips/boot/compressed/dbg.c b/arch/mips/boot/compressed/dbg.c index ff4dc7a33a9..134a6162e39 100644 --- a/arch/mips/boot/compressed/dbg.c +++ b/arch/mips/boot/compressed/dbg.c @@ -5,11 +5,11 @@ * please select SYS_SUPPORTS_ZBOOT_UART16550 for your machine. othewise, you * need to implement your own putc(). */ - +#include <linux/compiler.h> #include <linux/init.h> #include <linux/types.h> -void __attribute__ ((weak)) putc(char c) +void __weak putc(char c) { } diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c index e48fd72898a..5db43c58b1b 100644 --- a/arch/mips/boot/compressed/decompress.c +++ b/arch/mips/boot/compressed/decompress.c @@ -5,8 +5,8 @@ * Author: Matt Porter <mporter@mvista.com> Derived from * arch/ppc/boot/prep/misc.c * - * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology - * Author: Wu Zhangjin <wuzj@lemote.com> + * Copyright (C) 2009 Lemote, Inc. + * Author: Wu Zhangjin <wuzhangjin@gmail.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -77,6 +77,10 @@ void *memset(void *s, int c, size_t n) #include "../../../../lib/decompress_unlzma.c" #endif +#ifdef CONFIG_KERNEL_LZO +#include "../../../../lib/decompress_unlzo.c" +#endif + void decompress_kernel(unsigned long boot_heap_start) { int zimage_size; diff --git a/arch/mips/boot/compressed/uart-alchemy.c b/arch/mips/boot/compressed/uart-alchemy.c new file mode 100644 index 00000000000..1bff22fa089 --- /dev/null +++ b/arch/mips/boot/compressed/uart-alchemy.c @@ -0,0 +1,7 @@ +#include <asm/mach-au1x00/au1000.h> + +void putc(char c) +{ + /* all current (Jan. 2010) in-kernel boards */ + alchemy_uart_putchar(UART0_PHYS_ADDR, c); +} |