diff options
Diffstat (limited to 'target/linux/realtek/files/rtkload/misc.c')
| -rw-r--r-- | target/linux/realtek/files/rtkload/misc.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/target/linux/realtek/files/rtkload/misc.c b/target/linux/realtek/files/rtkload/misc.c deleted file mode 100644 index 11bc20830..000000000 --- a/target/linux/realtek/files/rtkload/misc.c +++ /dev/null @@ -1,387 +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. - * - * Stolen for mips loader to handle decompression by Jay Carlson - * <nop@nop.com> 2000/04/17 - */ -#include <linux/autoconf.h> - -// david ------------------ -#ifdef BZ2_COMPRESS -#define __DO_QUIET__ -#endif -//------------------------- - -extern unsigned long kernelStartAddr; -unsigned int __machine_arch_type; - -#ifndef __DO_QUIET__ -#define puts prom_printf -#else -#define puts -#endif -#define arch_decomp_wdog() -#define arch_decomp_setup() -#define proc_decomp_setup() /* this is where cache flushing, clock, etc lived */ - -#define memzero(d, count) (memset((d), 0, (count))) - -#define __ptr_t void * -#define NULL ((void *) 0) - -typedef unsigned long __u32; -#define ___swab32(x) \ - ({ \ - __u32 __x = (x); \ - ((__u32)( \ - (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | \ - (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | \ - (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | \ - (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); \ - }) - -#define le32_to_cpu(x) ___swab32(x) - - -/* - * gzip declarations - */ -#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[WSIZE]; /* 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 void gzip_mark(void **); -static void gzip_release(void **); - -extern char __vmlinux_start[]; -extern char __vmlinux_end[]; - -static uch *output_data; -static ulg output_ptr; -static ulg bytes_out; - -static void *malloc(int size); -static void free(void *where); -static void error(char *m); -static void gzip_mark(void **); -static void gzip_release(void **); - -/* static void puts(const char *); */ - -/* extern int end; */ -static ulg free_mem_ptr; -static ulg free_mem_ptr_end; - -#define HEAP_SIZE 0x2000 - -/* #include "../../../../lib/inflate.c" */ -/* #include "../lib/inflate.c"*/ - -// david ---------------- -//#include <inflate.c> - -#ifndef BZ2_COMPRESS -#include "inflate.c" -#else -#include "../lib/bzip2_inflate.c" -#endif -//---------------------- - -#ifdef CONFIG_RTL8197B_PANA -int is_vmlinux_checksum_ok(void) -{ - unsigned long sum = 0; - //unsigned long *buf = (unsigned long *)(((long)__vmlinux_start)+4); - //unsigned long image_len = (unsigned long)(__vmlinux_end -__vmlinux_start-4); - unsigned long *buf = (unsigned long *)(((long)__vmlinux_start)+8); - unsigned long image_len = (unsigned long)(__vmlinux_end -__vmlinux_start-8); - - for (; ((unsigned long)buf)<((unsigned long)__vmlinux_end); buf++) - sum += *buf; - - return ((sum == 0) ? 1 : 0); -} -#endif - -#ifndef STANDALONE_DEBUG -static void *malloc(int size) -{ - void *p; - - if (size <0) error("Malloc error\n"); - if (free_mem_ptr <= 0) error("Memory error\n"); - - free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */ - - p = (void *)free_mem_ptr; - free_mem_ptr += size; - - if (free_mem_ptr >= free_mem_ptr_end) - error("Out of memory"); - return p; -} - -static void free(void *where) -{ /* gzip_mark & gzip_release do the free */ -} - -static void gzip_mark(void **ptr) -{ - arch_decomp_wdog(); - *ptr = (void *) free_mem_ptr; -} - -static void gzip_release(void **ptr) -{ - arch_decomp_wdog(); - free_mem_ptr = (long) *ptr; -} -#else -static void gzip_mark(void **ptr) -{ -} - -static void gzip_release(void **ptr) -{ -} -#endif - -// david -#ifndef BZ2_COMPRESS -/* =========================================================================== - * 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\n"); - - inbuf = __vmlinux_start; - insize = &__vmlinux_end[0] - &__vmlinux_start[0]; - - 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("."); -} -#endif // BZ2_COMPRESS, david - - -static void error(char *x) -{ - int ptr; - - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); - - while(1); /* Halt */ -} - -#ifndef STANDALONE_DEBUG - -ulg -decompress_kernel(ulg output_start, ulg free_mem_ptr_p, ulg free_mem_ptr_end_p, - int arch_id) -{ - output_data = (uch *)output_start; /* Points to kernel start */ - free_mem_ptr = free_mem_ptr_p; - free_mem_ptr_end = free_mem_ptr_end_p; - __machine_arch_type = arch_id; - - proc_decomp_setup(); - arch_decomp_setup(); - -// david -// makecrc(); - puts("Uncompressing Linux..."); -// david --------------------------------- -// gunzip(); -#ifdef LZMA_COMPRESS -{ - #include "LzmaDecode.h" - - unsigned char *startBuf=__vmlinux_start; - unsigned char *outBuf = (unsigned char *)output_start; - unsigned int inLen=__vmlinux_end - __vmlinux_start; - - SizeT compressedSize; - unsigned char *inStream; - UInt32 outSize = 0; - UInt32 outSizeHigh = 0; - SizeT outSizeFull; - int res; - SizeT inProcessed; - SizeT outProcessed; - char tmpbuf[100]; - CLzmaDecoderState state; /* it's about 24-80 bytes structure, if int is 32-bit */ - unsigned char properties[LZMA_PROPERTIES_SIZE]; - -//#ifdef CONFIG_RTL8197B_PANA -// unsigned long pending_len = *((unsigned long *)__vmlinux_start); -// startBuf += 4; -// inLen -= (4+pending_len); -//#else - unsigned long pending_len = *((unsigned long *)__vmlinux_start); - kernelStartAddr = *((unsigned long *)(startBuf+4)); - startBuf += 8; - inLen -= (8+pending_len); -//#endif - - compressedSize = (SizeT)(inLen - (LZMA_PROPERTIES_SIZE + 8)); - - memcpy(properties, startBuf, sizeof(properties)); - startBuf += sizeof(properties); - - memcpy((char *)&outSize, startBuf, 4); - outSize = le32_to_cpu(outSize); - - memcpy((char *)&outSizeHigh, startBuf+4, 4); - outSizeHigh = le32_to_cpu(outSizeHigh); - - outSizeFull = (SizeT)outSize; - if (outSizeHigh != 0 || (UInt32)(SizeT)outSize != outSize) { - puts("LZMA: Too big uncompressed stream\n"); - return 0; - } - startBuf += 8; - - /* Decode LZMA properties and allocate memory */ - if (LzmaDecodeProperties(&state.Properties, properties, LZMA_PROPERTIES_SIZE) != LZMA_RESULT_OK) { - puts("LZMA: Incorrect stream properties\n"); - return 0; - } - state.Probs = (CProb *)malloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb)); - - res = LzmaDecode(&state, startBuf, compressedSize, &inProcessed, - outBuf, outSizeFull, &outProcessed); - if (res != 0) { -#ifndef __DO_QUIET__ - sprintf(tmpbuf, "LZMA: Decoding error = %d\n", res); -#else - memcpy(tmpbuf, "LZMA: Decoding error = ", 23); - memcpy((tmpbuf+23), &res, 4); -#endif - puts(tmpbuf); - return 0; - } -} - -#else // !LZMA_COMPRESS -#ifndef BZ2_COMPRESS - makecrc(); - gunzip(); -#else - -// david ------------ -{ - unsigned char *startBuf=__vmlinux_start; - unsigned char *outBuf = (unsigned char *)output_start; - unsigned int inLen=__vmlinux_end - __vmlinux_start; - int outLen=-1; - - BZ2_bzBuffToBuffDecompress(outBuf, &outLen, startBuf, inLen, 0, 0); -} -#endif // BZ2_COMPRESS -//---------------------------------------- - -#endif // LZMA_COMPRESS - - puts(" done, booting the kernel.\n"); - return output_ptr; -} -#else - -char output_buffer[1500*1024]; - -int main() -{ - output_data = output_buffer; - - makecrc(); - puts("Uncompressing Linux..."); - gunzip(); - puts("done.\n"); - return 0; -} -#endif - |