mirror of
https://github.com/DrBeef/Raze.git
synced 2024-12-13 22:21:01 +00:00
558 lines
15 KiB
C++
558 lines
15 KiB
C++
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#include "wiibits.h"
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#include "baselayer.h"
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#include "common.h"
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#include <ogc/system.h>
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#include <ogc/video.h>
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#include <ogc/video_types.h>
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#include <ogc/gx.h>
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#include <ogc/pad.h>
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#include <ogc/consol.h>
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#include <ogc/lwp.h>
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#include <ogc/lwp_watchdog.h>
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#include <ogc/lwp_threads.h>
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#include <ogc/ios.h>
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#include <ogc/color.h>
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#include <gctypes.h> // for bool
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern BFILE *osdlog;
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extern void L2Enhance();
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extern void CON_EnableGecko(int channel,int safe);
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extern bool fatInit(uint32_t cacheSize, bool setAsDefaultDevice);
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extern void WII_InitVideoSystem(void);
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extern unsigned char *xfb;
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extern GXRModeObj *vmode;
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#ifdef __cplusplus
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}
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#endif
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enum
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{
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Black = 0,
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Red = 1,
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Green = 2,
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Yellow = 3,
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Blue = 4,
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Magenta = 5,
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Cyan = 6,
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White = 7
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};
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static void ConsoleColor(uint8_t bgcolor, uint8_t bgbold, uint8_t fgcolor, uint8_t fgbold)
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{
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Bprintf("\x1b[%u;%dm\x1b[%u;%dm", fgcolor + 30, fgbold, bgcolor + 40, bgbold);
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}
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static void print_centered(const int32_t width, const char *part1, const char *part2)
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{
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const int32_t length = Bstrlen(part1) + Bstrlen(part2) + 1;
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const int32_t leftbuf = (width-1 - length) / 2;
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const int32_t rightbuf = width-1 - leftbuf - length;
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Bprintf("%*s%s %s%*s\n", leftbuf, " ", part1, part2, rightbuf, " ");
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}
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void wii_open(void)
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{
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struct { int x, y; } ConsoleExtent;
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L2Enhance();
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CON_EnableGecko(1, 1);
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Bprintf("Console started\n");
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fatInit(28, true);
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// init the console for the title bar
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CON_InitEx(vmode, 0, 12, vmode->viWidth, 68);
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ConsoleColor(Blue, 0, White, 0);
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CON_GetMetrics(&ConsoleExtent.x, &ConsoleExtent.y);
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print_centered(ConsoleExtent.x, AppProperName, s_buildRev);
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print_centered(ConsoleExtent.x, "Built", s_buildTimestamp);
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VIDEO_WaitVSync();
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if (vmode->viTVMode&VI_NON_INTERLACE)
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VIDEO_WaitVSync();
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// reinit console below the title bar
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CON_InitEx(vmode, 8, 50, vmode->viWidth - 16, vmode->viHeight - 62);
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ConsoleColor(Black, 0, White, 0);
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}
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// Reset the video system to remove the startup console.
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void wii_initgamevideo(void)
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{
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WII_InitVideoSystem();
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}
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/*
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* linux/lib/vsprintf.c
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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*/
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/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
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/*
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* Wirzenius wrote this portably, Torvalds fucked it up :-)
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*/
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/* we use this so that we can do without the ctype library */
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#define is_digit(c) ((c) >= '0' && (c) <= '9')
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static int skip_atoi(const char **s)
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{
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int i=0;
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while (is_digit(**s))
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i = i*10 + *((*s)++) - '0';
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return i;
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}
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#define ZEROPAD 1 /* pad with zero */
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#define SIGN 2 /* unsigned/signed long */
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#define PLUS 4 /* show plus */
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#define SPACE 8 /* space if plus */
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#define LEFT 16 /* left justified */
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#define SPECIAL 32 /* 0x */
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#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
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#define do_div(n,base) ({ \
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int __res; \
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__res = ((unsigned long) n) % (unsigned) base; \
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n = ((unsigned long) n) / (unsigned) base; \
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__res; })
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static char * number(char * str, long num, int base, int size, int precision
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,int type)
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{
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char c,sign,tmp[66];
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const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
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int i;
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if (type & LARGE)
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digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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if (type & LEFT)
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type &= ~ZEROPAD;
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if (base < 2 || base > 36)
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return 0;
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c = (type & ZEROPAD) ? '0' : ' ';
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sign = 0;
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if (type & SIGN) {
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if (num < 0) {
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sign = '-';
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num = -num;
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size--;
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} else if (type & PLUS) {
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sign = '+';
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size--;
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} else if (type & SPACE) {
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sign = ' ';
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size--;
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}
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}
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if (type & SPECIAL) {
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if (base == 16)
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size -= 2;
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else if (base == 8)
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size--;
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}
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i = 0;
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if (num == 0)
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tmp[i++]='0';
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else while (num != 0)
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tmp[i++] = digits[do_div(num,base)];
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if (i > precision)
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precision = i;
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size -= precision;
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if (!(type&(ZEROPAD+LEFT)))
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while(size-->0)
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*str++ = ' ';
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if (sign)
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*str++ = sign;
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if (type & SPECIAL) {
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if (base==8)
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*str++ = '0';
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else if (base==16) {
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*str++ = '0';
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*str++ = digits[33];
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}
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}
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if (!(type & LEFT))
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while (size-- > 0)
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*str++ = c;
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while (i < precision--)
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*str++ = '0';
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while (i-- > 0)
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*str++ = tmp[i];
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while (size-- > 0)
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*str++ = ' ';
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return str;
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}
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static int exception_vsprintf(char *buf, const char *fmt, va_list args)
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{
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int len;
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unsigned long num;
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int i, base;
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char * str;
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const char *s;
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int flags; /* flags to number() */
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int field_width; /* width of output field */
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int precision; /* min. # of digits for integers; max
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number of chars for from string */
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int qualifier; /* 'h', 'l', or 'L' for integer fields */
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for (str=buf ; *fmt ; ++fmt) {
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if (*fmt != '%') {
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*str++ = *fmt;
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continue;
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}
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/* process flags */
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flags = 0;
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repeat:
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++fmt; /* this also skips first '%' */
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switch (*fmt) {
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case '-': flags |= LEFT; goto repeat;
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case '+': flags |= PLUS; goto repeat;
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case ' ': flags |= SPACE; goto repeat;
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case '#': flags |= SPECIAL; goto repeat;
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case '0': flags |= ZEROPAD; goto repeat;
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}
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/* get field width */
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field_width = -1;
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if (is_digit(*fmt))
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field_width = skip_atoi(&fmt);
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else if (*fmt == '*') {
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++fmt;
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/* it's the next argument */
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field_width = va_arg(args, int);
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if (field_width < 0) {
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field_width = -field_width;
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flags |= LEFT;
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}
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}
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/* get the precision */
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precision = -1;
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if (*fmt == '.') {
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++fmt;
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if (is_digit(*fmt))
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precision = skip_atoi(&fmt);
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else if (*fmt == '*') {
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++fmt;
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/* it's the next argument */
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precision = va_arg(args, int);
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}
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if (precision < 0)
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precision = 0;
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}
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/* get the conversion qualifier */
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qualifier = -1;
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if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
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qualifier = *fmt;
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++fmt;
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}
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/* default base */
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base = 10;
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switch (*fmt) {
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case 'c':
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if (!(flags & LEFT))
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while (--field_width > 0)
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*str++ = ' ';
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*str++ = (unsigned char) va_arg(args, int);
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while (--field_width > 0)
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*str++ = ' ';
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continue;
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case 's':
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s = va_arg(args, char *);
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if (!s)
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s = "<NULL>";
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len = strnlen(s, precision);
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if (!(flags & LEFT))
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while (len < field_width--)
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*str++ = ' ';
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for (i = 0; i < len; ++i)
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*str++ = *s++;
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while (len < field_width--)
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*str++ = ' ';
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continue;
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case 'p':
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if (field_width == -1) {
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field_width = 2*sizeof(void *);
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flags |= ZEROPAD;
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}
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str = number(str,
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(unsigned long) va_arg(args, void *), 16,
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field_width, precision, flags);
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continue;
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case 'n':
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if (qualifier == 'l') {
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long * ip = va_arg(args, long *);
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*ip = (str - buf);
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} else {
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int * ip = va_arg(args, int *);
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*ip = (str - buf);
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}
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continue;
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case '%':
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*str++ = '%';
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continue;
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/* integer number formats - set up the flags and "break" */
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case 'o':
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base = 8;
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break;
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case 'X':
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flags |= LARGE;
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case 'x':
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base = 16;
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break;
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case 'd':
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case 'i':
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flags |= SIGN;
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case 'u':
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break;
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default:
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*str++ = '%';
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if (*fmt)
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*str++ = *fmt;
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else
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--fmt;
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continue;
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}
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if (qualifier == 'l')
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num = va_arg(args, unsigned long);
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else if (qualifier == 'h') {
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num = (unsigned short) va_arg(args, int);
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if (flags & SIGN)
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num = (short) num;
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} else if (flags & SIGN)
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num = va_arg(args, int);
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else
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num = va_arg(args, unsigned int);
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str = number(str, num, base, field_width, precision, flags);
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}
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*str = '\0';
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return str-buf;
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}
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#define DOUTBUFSIZE 256
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static int exception_output;
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static void exception_printf(const char *str, ...)
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{
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char outstr[DOUTBUFSIZE];
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int len;
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va_list args;
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va_start(args, str);
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len = exception_vsprintf(outstr, str, args);
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va_end(args);
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if (exception_output)
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Bfputs(outstr, osdlog);
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else
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Bwrite(2, outstr, len);
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}
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/*-------------------------------------------------------------
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exception.c -- PPC exception handling support
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Copyright (C) 2004
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Michael Wiedenbauer (shagkur)
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Dave Murphy (WinterMute)
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Copyright (C) 2014
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Modified for EDuke32
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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-------------------------------------------------------------*/
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//#define _EXC_DEBUG
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#define CPU_STACK_TRACE_DEPTH 10
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typedef struct _framerec {
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struct _framerec *up;
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void *lr;
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} frame_rec, *frame_rec_t;
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static void *exception_xfb = (void*)0xC1700000; //we use a static address above ArenaHi.
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void udelay(int us);
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extern void __reload();
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extern void VIDEO_SetFramebuffer(void *);
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extern void __console_init(void *framebuffer,int xstart,int ystart,int xres,int yres,int stride);
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extern void __wrap_c_default_exceptionhandler(frame_context *pCtx);
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#ifdef __cplusplus
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}
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#endif
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static const char *exception_name[NUM_EXCEPTIONS] = {
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"System Reset", "Machine Check", "DSI", "ISI",
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"Interrupt", "Alignment", "Program", "Floating Point",
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"Decrementer", "System Call", "Trace", "Performance",
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"IABR", "Reserved", "Thermal"};
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extern void __wrap_c_default_exceptionhandler(frame_context *pCtx);
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static void _cpu_print_stack(void *pc,void *lr,void *r1)
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{
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u32 i = 0;
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frame_rec_t l,p = (frame_rec_t)lr;
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l = p;
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p = (frame_rec_t)r1;
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if(!p) __asm__ __volatile__("mr %0,%%r1" : "=r"(p));
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exception_printf("\n\tSTACK DUMP:");
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for(i=0;i<CPU_STACK_TRACE_DEPTH-1 && p->up;p=p->up,i++) {
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if(i%4) exception_printf(" --> ");
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else {
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if(i>0) exception_printf(" -->\n\t");
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else exception_printf("\n\t");
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}
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switch(i) {
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case 0:
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if(pc) exception_printf("%p",pc);
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break;
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case 1:
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if(!l) l = (frame_rec_t)mfspr(8);
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exception_printf("%p",(void*)l);
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break;
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default:
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exception_printf("%p",(void*)(p->up->lr));
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break;
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}
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}
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}
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static void waitForReload(void)
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{
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u32 level;
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exception_printf("\tPress the Reset button to return to loader.\n\n");
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while ( 1 )
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{
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if( SYS_ResetButtonDown() )
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{
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exception_printf("\tReturning to loader...\n");
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_CPU_ISR_Disable(level);
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__reload ();
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}
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udelay(20000);
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}
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}
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void __wrap_c_default_exceptionhandler(frame_context *pCtx)
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{
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GX_AbortFrame();
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VIDEO_SetFramebuffer(exception_xfb);
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__console_init(exception_xfb,20,20,640,574,1280);
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CON_EnableGecko(1, true);
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exception_printf("\n\n\n");
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if (osdlog && osdlogfn)
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{
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exception_printf("\tAn unrecoverable error has occurred.\n\tPlease submit \"%s\" to the %s developers.\n\n", osdlogfn, AppProperName);
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exception_output = 1;
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}
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exception_printf("\tException: %s\n\n", exception_name[pCtx->EXCPT_Number]);
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exception_printf("\tGPR00 %08X GPR08 %08X GPR16 %08X GPR24 %08X\n",pCtx->GPR[0], pCtx->GPR[8], pCtx->GPR[16], pCtx->GPR[24]);
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exception_printf("\tGPR01 %08X GPR09 %08X GPR17 %08X GPR25 %08X\n",pCtx->GPR[1], pCtx->GPR[9], pCtx->GPR[17], pCtx->GPR[25]);
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exception_printf("\tGPR02 %08X GPR10 %08X GPR18 %08X GPR26 %08X\n",pCtx->GPR[2], pCtx->GPR[10], pCtx->GPR[18], pCtx->GPR[26]);
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exception_printf("\tGPR03 %08X GPR11 %08X GPR19 %08X GPR27 %08X\n",pCtx->GPR[3], pCtx->GPR[11], pCtx->GPR[19], pCtx->GPR[27]);
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exception_printf("\tGPR04 %08X GPR12 %08X GPR20 %08X GPR28 %08X\n",pCtx->GPR[4], pCtx->GPR[12], pCtx->GPR[20], pCtx->GPR[28]);
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exception_printf("\tGPR05 %08X GPR13 %08X GPR21 %08X GPR29 %08X\n",pCtx->GPR[5], pCtx->GPR[13], pCtx->GPR[21], pCtx->GPR[29]);
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exception_printf("\tGPR06 %08X GPR14 %08X GPR22 %08X GPR30 %08X\n",pCtx->GPR[6], pCtx->GPR[14], pCtx->GPR[22], pCtx->GPR[30]);
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exception_printf("\tGPR07 %08X GPR15 %08X GPR23 %08X GPR31 %08X\n",pCtx->GPR[7], pCtx->GPR[15], pCtx->GPR[23], pCtx->GPR[31]);
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exception_printf("\tLR %08X SRR0 %08x SRR1 %08x MSR %08x\n", pCtx->LR, pCtx->SRR0, pCtx->SRR1,pCtx->MSR);
|
|
exception_printf("\tDAR %08X DSISR %08X\n", mfspr(19), mfspr(18));
|
|
|
|
_cpu_print_stack((void*)pCtx->SRR0,(void*)pCtx->LR,(void*)pCtx->GPR[1]);
|
|
|
|
if((pCtx->EXCPT_Number==EX_DSI) || (pCtx->EXCPT_Number==EX_FP)) {
|
|
u32 i;
|
|
u32 *pAdd = (u32*)pCtx->SRR0;
|
|
exception_printf("\n\n\tCODE DUMP:\n");
|
|
for (i=0; i<12; i+=4)
|
|
exception_printf("\t%p: %08X %08X %08X %08X\n",
|
|
&(pAdd[i]),pAdd[i], pAdd[i+1], pAdd[i+2], pAdd[i+3]);
|
|
}
|
|
|
|
if (exception_output)
|
|
{
|
|
exception_output = 0;
|
|
MAYBE_FCLOSE_AND_NULL(osdlog);
|
|
}
|
|
else
|
|
{
|
|
exception_printf("\n");
|
|
}
|
|
|
|
waitForReload();
|
|
|
|
return;
|
|
}
|