xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branches 'x86/apic', 'x86/cpu', 'x86/fixmap', 'x86/mm', 'x86/sched', 'x86/setup-lzma', 'x86/signal' and 'x86/urgent' into x86/core

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This commit is contained in:
Ingo Molnar
2009-03-04 02:22:31 +01:00
parent b6122b3843 327f4387e3 c577b098f9 03787ceed8 2fb6b2a048 ab76f3d771 2505170211 780eef9492
commit 8b0e5860cb
291 changed files with 5493 additions and 2777 deletions
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21
arch/x86/boot/compressed/Makefile
View File

@@ -4,7 +4,7 @@
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc.o piggy.o
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o
KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
@@ -47,18 +47,35 @@ ifeq ($(CONFIG_X86_32),y)
ifdef CONFIG_RELOCATABLE
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin.all FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE
$(call if_changed,lzma)
else
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma)
endif
LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
else
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
$(call if_changed,bzip2)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma)
LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
endif
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
suffix_$(CONFIG_KERNEL_GZIP) = gz
suffix_$(CONFIG_KERNEL_BZIP2) = bz2
suffix_$(CONFIG_KERNEL_LZMA) = lzma
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE
$(call if_changed,ld)

118
arch/x86/boot/compressed/misc.c
View File

@@ -116,71 +116,13 @@
/*
* gzip declarations
*/
#define OF(args) args
#define STATIC static
#undef memset
#undef memcpy
#define memzero(s, n) memset((s), 0, (n))
typedef unsigned char uch;
typedef unsigned short ush;
typedef unsigned long ulg;
/*
* Window size must be at least 32k, and a power of two.
* We don't actually have a window just a huge output buffer,
* so we report a 2G window size, as that should always be
* larger than our output buffer:
*/
#define WSIZE 0x80000000
/* Input buffer: */
static unsigned char *inbuf;
/* Sliding window buffer (and final output buffer): */
static unsigned char *window;
/* Valid bytes in inbuf: */
static unsigned insize;
/* Index of next byte to be processed in inbuf: */
static unsigned inptr;
/* Bytes in output buffer: */
static unsigned outcnt;
/* gzip flag byte */
#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gz file */
#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
#define ORIG_NAM 0x08 /* bit 3 set: original file name present */
#define COMMENT 0x10 /* bit 4 set: file comment present */
#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
#define RESERVED 0xC0 /* bit 6, 7: reserved */
#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
/* Diagnostic functions */
#ifdef DEBUG
# define Assert(cond, msg) do { if (!(cond)) error(msg); } while (0)
# define Trace(x) do { fprintf x; } while (0)
# define Tracev(x) do { if (verbose) fprintf x ; } while (0)
# define Tracevv(x) do { if (verbose > 1) fprintf x ; } while (0)
# define Tracec(c, x) do { if (verbose && (c)) fprintf x ; } while (0)
# define Tracecv(c, x) do { if (verbose > 1 && (c)) fprintf x ; } while (0)
#else
# define Assert(cond, msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c, x)
# define Tracecv(c, x)
#endif
static int fill_inbuf(void);
static void flush_window(void);
static void error(char *m);
/*
@@ -189,13 +131,8 @@ static void error(char *m);
static struct boot_params *real_mode; /* Pointer to real-mode data */
static int quiet;
extern unsigned char input_data[];
extern int input_len;
static long bytes_out;
static void *memset(void *s, int c, unsigned n);
static void *memcpy(void *dest, const void *src, unsigned n);
void *memcpy(void *dest, const void *src, unsigned n);
static void __putstr(int, const char *);
#define putstr(__x) __putstr(0, __x)
@@ -213,7 +150,17 @@ static char *vidmem;
static int vidport;
static int lines, cols;
#include "../../../../lib/inflate.c"
#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
#ifdef CONFIG_KERNEL_BZIP2
#include "../../../../lib/decompress_bunzip2.c"
#endif
#ifdef CONFIG_KERNEL_LZMA
#include "../../../../lib/decompress_unlzma.c"
#endif
static void scroll(void)
{
@@ -282,7 +229,7 @@ static void *memset(void *s, int c, unsigned n)
return s;
}
static void *memcpy(void *dest, const void *src, unsigned n)
void *memcpy(void *dest, const void *src, unsigned n)
{
int i;
const char *s = src;
@@ -293,38 +240,6 @@ static void *memcpy(void *dest, const void *src, unsigned n)
return dest;
}
/* ===========================================================================
* Fill the input buffer. This is called only when the buffer is empty
* and at least one byte is really needed.
*/
static int fill_inbuf(void)
{
error("ran out of input data");
return 0;
}
/* ===========================================================================
* Write the output window window[0..outcnt-1] and update crc and bytes_out.
* (Used for the decompressed data only.)
*/
static void flush_window(void)
{
/* With my window equal to my output buffer
* I only need to compute the crc here.
*/
unsigned long c = crc; /* temporary variable */
unsigned n;
unsigned char *in, ch;
in = window;
for (n = 0; n < outcnt; n++) {
ch = *in++;
c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
}
crc = c;
bytes_out += (unsigned long)outcnt;
outcnt = 0;
}
static void error(char *x)
{
@@ -407,12 +322,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
lines = real_mode->screen_info.orig_video_lines;
cols = real_mode->screen_info.orig_video_cols;
window = output; /* Output buffer (Normally at 1M) */
free_mem_ptr = heap; /* Heap */
free_mem_end_ptr = heap + BOOT_HEAP_SIZE;
inbuf = input_data; /* Input buffer */
insize = input_len;
inptr = 0;
#ifdef CONFIG_X86_64
if ((unsigned long)output & (__KERNEL_ALIGN - 1))
@@ -430,10 +341,9 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
#endif
#endif
makecrc();
if (!quiet)
putstr("\nDecompressing Linux... ");
gunzip();
decompress(input_data, input_len, NULL, NULL, output, NULL, error);
parse_elf(output);
if (!quiet)
putstr("done.\nBooting the kernel.\n");