ed8c9d7e0d
The primary changes is the way in which printk works. But there are many other assorted code cleanups. Just look and see :)
101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
#include <printk.h>
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#include <string.h>
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#include <stdlib.h>
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#include <rom/fill_inbuf.h>
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#include <subr.h>
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#include "definitions.h"
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#include "do_inflate.h"
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#define MALLOC_WINDOW 1
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/*
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* gzip support routine declartions..
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* =========================================================
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*/
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static void flush_window(void);
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static long bytes_out; /* total bytes compressed */
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static unsigned outcnt; /* bytes in output buffer */
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#define WSIZE 0x8000 /* Window size must be at least 32k, and a power of two */
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#if !MALLOC_WINDOW
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static unsigned char window[WSIZE]; /* Sliding window buffer */
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#else
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static unsigned char *window; /* Sliding window buffer */
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#endif
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/*
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* gzip declarations
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*/
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#define OF(args) args
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#define STATIC static
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#define memzero(s, n) memset ((s), 0, (n))
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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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#ifdef TRACEV
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# define Trace(x) printk_debug(x)
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# define Tracev(x) {if (verbose) printk_debug(x);}
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# define Tracevv(x) {if (verbose>1) printk_debug(x);}
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# define Tracec(c,x) {if (verbose && (c)) printk_debug(x);}
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# define Tracecv(c,x) {if (verbose>1 && (c)) printk_debug(x);}
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#else
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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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#include "inflate.c"
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/* Variables that gunzip doesn't need to see... */
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static unsigned char *output_data;
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static unsigned long output_ptr;
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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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static void flush_window(void)
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{
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ulg c = crc; /* temporary variable */
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unsigned n;
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uch *in, *out, ch;
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in = window;
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out = &output_data[output_ptr];
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printk_debug("flush 0x%08x count 0x%08x\n", (unsigned long) out, outcnt);
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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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}
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void gunzip_setup(void)
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{
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/* common globals -- don't rely on init! */
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outcnt = 0;
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bytes_out = 0;
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output_ptr = 0;
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#if MALLOC_WINDOW
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window = malloc(WSIZE);
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#endif
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output_data = (char *) KERNEL_START;
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printk_debug("output data is 0x%08x\n", (unsigned long) output_data);
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makecrc();
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}
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