diff options
Diffstat (limited to 'target/image/ar7/src/loader.c')
-rw-r--r-- | target/image/ar7/src/loader.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/target/image/ar7/src/loader.c b/target/image/ar7/src/loader.c deleted file mode 100644 index 22b909d7e9..0000000000 --- a/target/image/ar7/src/loader.c +++ /dev/null @@ -1,140 +0,0 @@ -/* inflate.c -- Not copyrighted 1992 by Mark Adler - version c10p1, 10 January 1993 */ - -/* - * Adapted for booting Linux by Hannu Savolainen 1993 - * based on gzip-1.0.3 - * - * Nicolas Pitre <nico@visuaide.com>, 1999/04/14 : - * Little mods for all variable to reside either into rodata or bss segments - * by marking constant variables with 'const' and initializing all the others - * at run-time only. This allows for the kernel uncompressor to run - * directly from Flash or ROM memory on embeded systems. - */ - -#include <linux/config.h> -#include "gzip.h" -#include "LzmaDecode.h" - -/* Function prototypes */ -unsigned char get_byte(void); -int tikernelunzip(int,char *[], char *[]); -static int tidecompress(uch *, uch *); - -void kernel_entry(int, char *[], char *[]); -void (*ke)(int, char *[], char *[]); /* Gen reference to kernel function */ -void (*prnt)(unsigned int, char *); /* Gen reference to Yamon print function */ -void printf(char *ptr); /* Generate our own printf */ - -int tikernelunzip(int argc, char *argv[], char *arge[]) -{ - extern unsigned int _ftext; - extern uch kernelimage[]; - uch *in, *out; - int status; - - printf("Launching kernel decompressor.\n"); - - out = (unsigned char *) LOADADDR; - in = &(kernelimage[0]); - - status = tidecompress(in, out); - - if (status == 0) { - printf("Kernel decompressor was successful ... launching kernel.\n"); - - ke = ( void(*)(int, char *[],char*[]))kernel_entry; - (*ke)(argc,argv,arge); - - return (0); - } else { - printf("Error in decompression.\n"); - return(1); - } -} - -#if 0 -char hex[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'}; -void print_i(int i) -{ - int j; - char buf[11]; - - buf[0] = '0'; - buf[1] = 'x'; - buf[10] = 0; - - for (j = 0; j < 8; j++) - { - buf[2 + 7 - j] = hex[i & 0xf]; - i = i >> 4; - } - - printf(buf); -} -#endif - -int tidecompress(uch *indata, uch *outdata) -{ - extern unsigned int workspace; - extern unsigned char kernelimage[], kernelimage_end[]; - unsigned int i; /* temp value */ - unsigned int lc; /* literal context bits */ - unsigned int lp; /* literal pos state bits */ - unsigned int pb; /* pos state bits */ - unsigned int osize; /* uncompressed size */ - unsigned int wsize; /* window size */ - unsigned int insize = kernelimage_end - kernelimage; - int status; - - output_ptr = 0; - output_data = outdata; - input_data = indata; - - /* lzma args */ - i = get_byte(); - lc = i % 9, i = i / 9; - lp = i % 5, pb = i / 5; - - /* skip rest of the LZMA coder property */ - for (i = 0; i < 4; i++) - get_byte(); - - /* read the lower half of uncompressed size in the header */ - osize = ((unsigned int)get_byte()) + - ((unsigned int)get_byte() << 8) + - ((unsigned int)get_byte() << 16) + - ((unsigned int)get_byte() << 24); - - /* skip rest of the header (upper half of uncompressed size) */ - for (i = 0; i < 4; i++) - get_byte(); - - i = 0; - wsize = (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp))) * sizeof(CProb); - - if ((status = LzmaDecode((unsigned char *) &workspace, wsize, lc, lp, pb, - indata + 13, insize - 13, (unsigned char *) output_data, osize, &i)) == LZMA_RESULT_OK) - return 0; - - return status; -} - - -void printf(char *ptr) -{ - unsigned int *tempptr = (unsigned int *)0x90000534; - prnt = ( void (*)(unsigned int, char *)) *tempptr; - (*prnt)(0,ptr); -} - -unsigned char get_byte() -{ - unsigned char c; - - c = *input_data; - input_data++; - - return c; -} - |