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@ -1,223 +1,3 @@ |
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--- a/arch/arm/boot/compressed/Makefile
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+++ b/arch/arm/boot/compressed/Makefile
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@@ -67,8 +67,15 @@ endif
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SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
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-targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
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- head.o misc.o $(OBJS)
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+suffix_$(CONFIG_KERNEL_GZIP) = gz
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+suffix_$(CONFIG_KERNEL_BZIP2) = bz2
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+suffix_$(CONFIG_KERNEL_LZMA) = lzma
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+
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+targets := vmlinux vmlinux.lds \
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+ piggy.gz piggy.gz.o \
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+ piggy.bz2 piggy.bz2.o \
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+ piggy.lzma piggy.lzma.o \
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+ font.o font.c head.o misc.o $(OBJS)
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ifeq ($(CONFIG_FUNCTION_TRACER),y)
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ORIG_CFLAGS := $(KBUILD_CFLAGS)
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@@ -95,7 +102,7 @@ LDFLAGS_vmlinux += -p --no-undefined -X
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# would otherwise mess up our GOT table
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CFLAGS_misc.o := -Dstatic=
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-$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
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+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
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$(addprefix $(obj)/, $(OBJS)) FORCE
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$(call if_changed,ld)
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@:
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@@ -103,7 +110,17 @@ $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj
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$(obj)/piggy.gz: $(obj)/../Image FORCE
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$(call if_changed,gzip)
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-$(obj)/piggy.o: $(obj)/piggy.gz FORCE
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+$(obj)/piggy.bz2: $(obj)/../Image FORCE
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+ $(call if_changed,bzip2)
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+
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+$(obj)/piggy.lzma: $(obj)/../Image FORCE
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+ $(call if_changed,lzma)
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+
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+$(obj)/piggy.gz.o: $(obj)/piggy.gz FORCE
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+
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+$(obj)/piggy.bz2.o: $(obj)/piggy.bz2 FORCE
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+
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+$(obj)/piggy.lzma.o: $(obj)/piggy.lzma FORCE
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CFLAGS_font.o := -Dstatic=
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--- a/arch/arm/boot/compressed/misc.c
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+++ b/arch/arm/boot/compressed/misc.c
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@@ -169,116 +169,34 @@ static inline __ptr_t memcpy(__ptr_t __d
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/*
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* gzip delarations
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*/
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-#define OF(args) args
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#define STATIC static
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-typedef unsigned char uch;
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-typedef unsigned short ush;
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typedef unsigned long ulg;
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-#define WSIZE 0x8000 /* Window size must be at least 32k, */
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- /* and a power of two */
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-
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-static uch *inbuf; /* input buffer */
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-static uch window[WSIZE]; /* Sliding window buffer */
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-
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-static unsigned insize; /* valid bytes in inbuf */
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-static unsigned inptr; /* index of next byte to be processed in inbuf */
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-static unsigned outcnt; /* bytes in output buffer */
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-
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-/* gzip flag byte */
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-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
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-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
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-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
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-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
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-#define COMMENT 0x10 /* bit 4 set: file comment present */
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-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
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-#define RESERVED 0xC0 /* bit 6,7: reserved */
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-
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-#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
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-
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-/* Diagnostic functions */
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-#ifdef DEBUG
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-# define Assert(cond,msg) {if(!(cond)) error(msg);}
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-# define Trace(x) fprintf x
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-# define Tracev(x) {if (verbose) fprintf x ;}
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-# define Tracevv(x) {if (verbose>1) fprintf x ;}
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-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
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-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
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-#else
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-# define Assert(cond,msg)
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-# define Trace(x)
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-# define Tracev(x)
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-# define Tracevv(x)
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-# define Tracec(c,x)
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-# define Tracecv(c,x)
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-#endif
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-
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-static int fill_inbuf(void);
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-static void flush_window(void);
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-static void error(char *m);
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-
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extern char input_data[];
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extern char input_data_end[];
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-static uch *output_data;
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-static ulg output_ptr;
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-static ulg bytes_out;
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-
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static void error(char *m);
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-static void putstr(const char *);
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-
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-extern int end;
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static ulg free_mem_ptr;
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static ulg free_mem_end_ptr;
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-#ifdef STANDALONE_DEBUG
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-#define NO_INFLATE_MALLOC
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-#endif
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-
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#define ARCH_HAS_DECOMP_WDOG
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+#define NEW_CODE
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+#ifdef CONFIG_KERNEL_GZIP
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#include "../../../../lib/inflate.c"
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+#endif
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-/* ===========================================================================
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- * Fill the input buffer. This is called only when the buffer is empty
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- * and at least one byte is really needed.
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- */
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-int fill_inbuf(void)
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-{
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- if (insize != 0)
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- error("ran out of input data");
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+#ifdef CONFIG_KERNEL_BZIP2
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+#include "../../../../lib/decompress_bunzip2.c"
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+#endif
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- inbuf = input_data;
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- insize = &input_data_end[0] - &input_data[0];
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+#ifdef CONFIG_KERNEL_LZMA
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+#include "../../../../lib/decompress_unlzma.c"
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+#endif
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- inptr = 1;
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- return inbuf[0];
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-}
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-/* ===========================================================================
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- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
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- * (Used for the decompressed data only.)
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- */
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-void flush_window(void)
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-{
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- ulg c = crc;
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- unsigned n;
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- uch *in, *out, ch;
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-
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- in = window;
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- out = &output_data[output_ptr];
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- for (n = 0; n < outcnt; n++) {
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- ch = *out++ = *in++;
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- c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
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- }
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- crc = c;
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- bytes_out += (ulg)outcnt;
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- output_ptr += (ulg)outcnt;
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- outcnt = 0;
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- putstr(".");
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-}
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#ifndef arch_error
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#define arch_error(x)
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@@ -301,16 +219,24 @@ ulg
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decompress_kernel(ulg output_start, ulg free_mem_ptr_p, ulg free_mem_ptr_end_p,
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int arch_id)
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{
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- output_data = (uch *)output_start; /* Points to kernel start */
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- free_mem_ptr = free_mem_ptr_p;
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- free_mem_end_ptr = free_mem_ptr_end_p;
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+ ulg output_ptr;
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+ ulg *ptr;
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+ size_t input_len = input_data_end - input_data;
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+ size_t pos = 0;
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+
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__machine_arch_type = arch_id;
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arch_decomp_setup();
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- makecrc();
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- putstr("Uncompressing Linux...");
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- gunzip();
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+ ptr = (ulg *) (((long)input_data_end) - 4);
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+ output_ptr = output_start + *ptr;
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+
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+ free_mem_ptr = output_ptr;
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+ free_mem_end_ptr = output_ptr + 0x4000000;
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+
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+ putstr("Decompressing Linux...");
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+ decompress(input_data, input_len,
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+ NULL, NULL, (unsigned char *) output_start, &pos, error);
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putstr(" done, booting the kernel.\n");
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return output_ptr;
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}
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@@ -320,11 +246,8 @@ char output_buffer[1500*1024];
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int main()
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{
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- output_data = output_buffer;
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-
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- makecrc();
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putstr("Uncompressing Linux...");
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- gunzip();
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+ decompress(input_data, input_len, NULL, output_buffer, NULL);
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putstr("done.\n");
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return 0;
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}
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--- a/arch/x86/boot/compressed/Makefile
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--- a/arch/x86/boot/compressed/Makefile
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+++ b/arch/x86/boot/compressed/Makefile
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+++ b/arch/x86/boot/compressed/Makefile
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@@ -4,7 +4,7 @@
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@@ -4,7 +4,7 @@
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