First CVS upload.
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@80
This commit is contained in:
Sjoerd van der Berg
parent
7d1ca9bdd4
commit
42e5d0b779
158 changed files with 42940 additions and 0 deletions
257
src/debug/debug.cpp
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257
src/debug/debug.cpp
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/*
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* Copyright (C) 2002 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include <list>
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#include "dosbox.h"
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#ifdef C_DEBUG
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#include "debug.h"
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#include "cpu.h"
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#include "video.h"
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#include "pic.h"
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#include "keyboard.h"
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#include "cpu.h"
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#include "callback.h"
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#include "inout.h"
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#include "mixer.h"
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#include "debug_inc.h"
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#ifdef WIN32
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void WIN32_Console();
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#endif
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static struct {
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Bit32u eax,ebx,ecx,edx,esi,edi,ebp,esp,eip;
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} oldregs;
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static Segment oldsegs[6];
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static Flag_Info oldflags;
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DBGBlock dbg;
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static char input_line[256];
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static Bitu input_count;
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Bitu cycle_count;
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static bool debugging;
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static void SetColor(bool test) {
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if (test) {
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if (has_colors()) { wattrset(dbg.win_reg,COLOR_PAIR(PAIR_BYELLOW_BLACK));}
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} else {
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if (has_colors()) { wattrset(dbg.win_reg,0);}
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}
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}
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enum { BKPNT_REALMODE,BKPNT_PHYSICAL };
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struct BreakPoint {
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PhysPt location;
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Bit8u olddata;
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Bit16u seg;
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Bit16u off_16;
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Bit32u off_32;
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Bit8u type;
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bool enabled;
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bool active;
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};
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static std::list<struct BreakPoint> BPoints;
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static void DrawRegisters(void) {
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/* Main Registers */
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SetColor(reg_eax!=oldregs.eax);oldregs.eax=reg_eax;mvwprintw (dbg.win_reg,0,4,"%08X",reg_eax);
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SetColor(reg_ebx!=oldregs.ebx);oldregs.ebx=reg_ebx;mvwprintw (dbg.win_reg,1,4,"%08X",reg_ebx);
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SetColor(reg_ecx!=oldregs.ecx);oldregs.ecx=reg_ecx;mvwprintw (dbg.win_reg,2,4,"%08X",reg_ecx);
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SetColor(reg_edx!=oldregs.edx);oldregs.edx=reg_edx;mvwprintw (dbg.win_reg,3,4,"%08X",reg_edx);
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SetColor(reg_esi!=oldregs.esi);oldregs.esi=reg_esi;mvwprintw (dbg.win_reg,0,18,"%08X",reg_esi);
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SetColor(reg_edi!=oldregs.edi);oldregs.edi=reg_edi;mvwprintw (dbg.win_reg,1,18,"%08X",reg_edi);
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SetColor(reg_ebp!=oldregs.ebp);oldregs.ebp=reg_ebp;mvwprintw (dbg.win_reg,2,18,"%08X",reg_ebp);
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SetColor(reg_esp!=oldregs.esp);oldregs.esp=reg_esp;mvwprintw (dbg.win_reg,3,18,"%08X",reg_esp);
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SetColor(reg_eip!=oldregs.eip);oldregs.eip=reg_eip;mvwprintw (dbg.win_reg,1,42,"%08X",reg_eip);
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SetColor(Segs[ds].value!=oldsegs[ds].value);oldsegs[ds].value=Segs[ds].value;mvwprintw (dbg.win_reg,0,31,"%04X",Segs[ds].value);
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SetColor(Segs[es].value!=oldsegs[es].value);oldsegs[es].value=Segs[es].value;mvwprintw (dbg.win_reg,0,41,"%04X",Segs[es].value);
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SetColor(Segs[fs].value!=oldsegs[fs].value);oldsegs[fs].value=Segs[fs].value;mvwprintw (dbg.win_reg,0,51,"%04X",Segs[fs].value);
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SetColor(Segs[gs].value!=oldsegs[gs].value);oldsegs[gs].value=Segs[gs].value;mvwprintw (dbg.win_reg,0,61,"%04X",Segs[gs].value);
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SetColor(Segs[ss].value!=oldsegs[ss].value);oldsegs[ss].value=Segs[ss].value;mvwprintw (dbg.win_reg,0,71,"%04X",Segs[ss].value);
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SetColor(Segs[cs].value!=oldsegs[cs].value);oldsegs[cs].value=Segs[cs].value;mvwprintw (dbg.win_reg,1,31,"%04X",Segs[cs].value);
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/*Individual flags*/
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flags.cf=get_CF();SetColor(flags.cf!=oldflags.cf);oldflags.cf=flags.cf;mvwprintw (dbg.win_reg,1,53,"%01X",flags.cf);
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flags.zf=get_ZF();SetColor(flags.zf!=oldflags.zf);oldflags.zf=flags.zf;mvwprintw (dbg.win_reg,1,56,"%01X",flags.zf);
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flags.sf=get_SF();SetColor(flags.sf!=oldflags.sf);oldflags.sf=flags.sf;mvwprintw (dbg.win_reg,1,59,"%01X",flags.sf);
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flags.of=get_OF();SetColor(flags.of!=oldflags.of);oldflags.of=flags.of;mvwprintw (dbg.win_reg,1,62,"%01X",flags.of);
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flags.af=get_AF();SetColor(flags.af!=oldflags.af);oldflags.af=flags.af;mvwprintw (dbg.win_reg,1,65,"%01X",flags.af);
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flags.pf=get_PF();SetColor(flags.pf!=oldflags.pf);oldflags.pf=flags.pf;mvwprintw (dbg.win_reg,1,68,"%01X",flags.pf);
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SetColor(flags.df!=oldflags.df);oldflags.df=flags.df;mvwprintw (dbg.win_reg,1,71,"%01X",flags.df);
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SetColor(flags.intf!=oldflags.intf);oldflags.intf=flags.intf;mvwprintw (dbg.win_reg,1,74,"%01X",flags.intf);
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SetColor(flags.tf!=oldflags.tf);oldflags.tf=flags.tf;mvwprintw (dbg.win_reg,1,77,"%01X",flags.tf);
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wattrset(dbg.win_reg,0);
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mvwprintw(dbg.win_reg,3,60,"%d ",cycle_count);
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wrefresh(dbg.win_reg);
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};
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static void DrawCode(void) {
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PhysPt start=Segs[cs].phys+reg_eip;
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char dline[200];Bitu size;Bitu c;
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for (Bit32u i=0;i<10;i++) {
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size=DasmI386(dline, start, reg_eip, false);
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mvwprintw(dbg.win_code,i,0,"%02X:%04X ",Segs[cs].value,(start-Segs[cs].phys));
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for (c=0;c<size;c++) wprintw(dbg.win_code,"%02X",mem_readb(start+c));
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for (c=20;c>=size*2;c--) waddch(dbg.win_code,' ');
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waddstr(dbg.win_code,dline);
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for (c=30-strlen(dline);c>0;c--) waddch(dbg.win_code,' ');
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start+=size;
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}
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wrefresh(dbg.win_code);
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}
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/* This clears all breakpoints by replacing their 0xcc by the original byte */
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static void ClearBreakPoints(void) {
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// for (Bit32u i=0;i<MAX_BREAKPOINT;i++) {
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// if (bpoints[i].active && bpoints[i].enabled) {
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// mem_writeb(bpoints[i].location,bpoints[i].olddata);
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// }
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// }
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}
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static void SetBreakPoints(void) {
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// for (Bit32u i=0;i<MAX_BREAKPOINT;i++) {
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// if (bpoints[i].active && bpoints[i].enabled) {
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// bpoints[i].olddata=mem_readb(bpoints[i].location);
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// mem_writeb(bpoints[i].location,0xcc);
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// }
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// }
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}
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static void AddBreakPoint(PhysPt off) {
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}
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bool DEBUG_BreakPoint(void) {
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/* First get the phyiscal address and check for a set breakpoint */
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PhysPt where=real_phys(Segs[cs].value,reg_ip-1);
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bool found=false;
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std::list<BreakPoint>::iterator i;
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for(i=BPoints.begin(); i != BPoints.end(); ++i) {
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if ((*i).active && (*i).enabled) {
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if ((*i).location==where) {
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found=true;
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break;
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}
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}
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}
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if (!found) return false;
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ClearBreakPoints();
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DEBUG_Enable();
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SetBreakPoints();
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return false;
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}
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Bit32u DEBUG_CheckKeys(void) {
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int key=getch();
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Bit32u ret=0;
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if (key>0) {
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switch (key) {
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case '1':
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ret=(*cpudecoder)(100);
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break;
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case '2':
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ret=(*cpudecoder)(500);
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break;
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case '3':
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ret=(*cpudecoder)(1000);
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break;
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case '4':
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ret=(*cpudecoder)(5000);
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break;
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case '5':
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ret=(*cpudecoder)(10000);
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break;
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case 'q':
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ret=(*cpudecoder)(5);
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break;
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default:
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ret=(*cpudecoder)(1);
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};
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DEBUG_DrawScreen();
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}
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return ret;
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};
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Bitu DEBUG_Loop(void) {
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//TODO Disable sound
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GFX_Events();
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PIC_runIRQs();
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return DEBUG_CheckKeys();
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}
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void DEBUG_Enable(void) {
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DEBUG_DrawScreen();
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debugging=true;
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DOSBOX_SetLoop(&DEBUG_Loop);
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}
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void DEBUG_DrawScreen(void) {
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DrawRegisters();
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DrawCode();
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}
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static void DEBUG_RaiseTimerIrq(void) {
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PIC_ActivateIRQ(0);
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}
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void DEBUG_Init(void) {
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#ifdef WIN32
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WIN32_Console();
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#endif
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memset((void *)&dbg,0,sizeof(dbg));
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debugging=false;
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dbg.active_win=3;
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input_count=0;
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/* Start the Debug Gui */
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DBGUI_StartUp();
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DEBUG_DrawScreen();
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/* Add some keyhandlers */
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KEYBOARD_AddEvent(KBD_kpminus,0,DEBUG_Enable);
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KEYBOARD_AddEvent(KBD_kpplus,0,DEBUG_RaiseTimerIrq);
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/* Clear the breakpoint list */
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}
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#endif
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