diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/alpha/boot/misc.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/boot/misc.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/boot/misc.c b/ANDROID_3.4.5/arch/alpha/boot/misc.c deleted file mode 100644 index 3ff9a957..00000000 --- a/ANDROID_3.4.5/arch/alpha/boot/misc.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * misc.c - * - * This is a collection of several routines from gzip-1.0.3 - * adapted for Linux. - * - * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 - * - * Modified for ARM Linux by Russell King - * - * Nicolas Pitre <nico@visuaide.com> 1999/04/14 : - * For this code to run directly from Flash, all constant variables must - * be marked with 'const' and all other variables initialized at run-time - * only. This way all non constant variables will end up in the bss segment, - * which should point to addresses in RAM and cleared to 0 on start. - * This allows for a much quicker boot time. - * - * Modified for Alpha, from the ARM version, by Jay Estabrook 2003. - */ - -#include <linux/kernel.h> -#include <linux/slab.h> - -#include <asm/uaccess.h> - -#define memzero(s,n) memset ((s),0,(n)) -#define puts srm_printk -extern long srm_printk(const char *, ...) - __attribute__ ((format (printf, 1, 2))); - -/* - * gzip delarations - */ -#define OF(args) args -#define STATIC static - -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -#define WSIZE 0x8000 /* Window size must be at least 32k, */ - /* and a power of two */ - -static uch *inbuf; /* input buffer */ -static uch *window; /* Sliding window buffer */ - -static unsigned insize; /* valid bytes in inbuf */ -static unsigned inptr; /* index of next byte to be processed in inbuf */ -static unsigned outcnt; /* bytes in output buffer */ - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME 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) {if(!(cond)) error(msg);} -# define Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -#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); - -static char *input_data; -static int input_data_size; - -static uch *output_data; -static ulg output_ptr; -static ulg bytes_out; - -static void error(char *m); -static void gzip_mark(void **); -static void gzip_release(void **); - -extern int end; -static ulg free_mem_ptr; -static ulg free_mem_end_ptr; - -#define HEAP_SIZE 0x3000 - -#include "../../../lib/inflate.c" - -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -int fill_inbuf(void) -{ - if (insize != 0) - error("ran out of input data"); - - inbuf = input_data; - insize = input_data_size; - - inptr = 1; - return inbuf[0]; -} - -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ -void flush_window(void) -{ - ulg c = crc; - unsigned n; - uch *in, *out, ch; - - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out++ = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; -/* puts("."); */ -} - -static void error(char *x) -{ - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - while(1); /* Halt */ -} - -unsigned int -decompress_kernel(void *output_start, - void *input_start, - size_t ksize, - size_t kzsize) -{ - output_data = (uch *)output_start; - input_data = (uch *)input_start; - input_data_size = kzsize; /* use compressed size */ - - /* FIXME FIXME FIXME */ - free_mem_ptr = (ulg)output_start + ksize; - free_mem_end_ptr = (ulg)output_start + ksize + 0x200000; - /* FIXME FIXME FIXME */ - - /* put in temp area to reduce initial footprint */ - window = malloc(WSIZE); - - makecrc(); -/* puts("Uncompressing Linux..."); */ - gunzip(); -/* puts(" done, booting the kernel.\n"); */ - return output_ptr; -} |