cff531af |
1 | /*\r |
2 | * debug stuff\r |
3 | * (C) notaz, 2006-2008\r |
4 | *\r |
5 | * This work is licensed under the terms of MAME license.\r |
6 | * See COPYING file in the top-level directory.\r |
7 | */\r |
8 | \r |
efcba75f |
9 | #include "pico_int.h"\r |
f579f7b8 |
10 | \r |
11 | typedef unsigned char u8;\r |
12 | \r |
13 | static unsigned int pppc, ops=0;\r |
14 | extern unsigned int lastread_a, lastread_d[16], lastwrite_cyc_d[16], lastwrite_mus_d[16];\r |
15 | extern int lrp_cyc, lrp_mus, lwp_cyc, lwp_mus;\r |
16 | unsigned int old_regs[16], old_sr, ppop, have_illegal = 0;\r |
17 | int dbg_irq_level = 0, dbg_irq_level_sub = 0;\r |
18 | \r |
19 | #undef dprintf\r |
20 | #define dprintf(f,...) printf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__)\r |
21 | \r |
22 | #if defined(EMU_C68K)\r |
23 | static struct Cyclone *currentC68k = NULL;\r |
24 | #define other_set_sub(s) currentC68k=(s)?&PicoCpuCS68k:&PicoCpuCM68k;\r |
25 | #define other_get_sr() CycloneGetSr(currentC68k)\r |
26 | #define other_dar(i) currentC68k->d[i]\r |
27 | #define other_osp currentC68k->osp\r |
28 | #define other_get_irq() currentC68k->irq\r |
29 | #define other_set_irq(i) currentC68k->irq=i\r |
30 | #define other_is_stopped() (currentC68k->state_flags&1)\r |
31 | #define other_is_tracing() ((currentC68k->state_flags&2)?1:0)\r |
32 | #elif defined(EMU_F68K)\r |
7669591e |
33 | static struct M68K_CONTEXT *g_m68kcontext;\r |
f579f7b8 |
34 | #define other_set_sub(s) g_m68kcontext=(s)?&PicoCpuFS68k:&PicoCpuFM68k;\r |
35 | #define other_get_sr() g_m68kcontext->sr\r |
36 | #define other_dar(i) ((unsigned int*)g_m68kcontext->dreg)[i]\r |
37 | #define other_osp g_m68kcontext->asp\r |
38 | #define other_get_irq() g_m68kcontext->interrupts[0]\r |
39 | #define other_set_irq(irq) g_m68kcontext->interrupts[0]=irq\r |
40 | #define other_is_stopped() ((g_m68kcontext->execinfo&FM68K_HALTED)?1:0)\r |
41 | #define other_is_tracing() ((g_m68kcontext->execinfo&FM68K_EMULATE_TRACE)?1:0)\r |
42 | #else\r |
43 | #error other core missing, don't compile this file\r |
44 | #endif\r |
45 | \r |
46 | static int otherRun(void)\r |
47 | {\r |
48 | #if defined(EMU_C68K)\r |
49 | currentC68k->cycles=1;\r |
50 | CycloneRun(currentC68k);\r |
51 | return 1-currentC68k->cycles;\r |
52 | #elif defined(EMU_F68K)\r |
12f23dac |
53 | return fm68k_emulate(g_m68kcontext, 1, 0);\r |
f579f7b8 |
54 | #endif\r |
55 | }\r |
56 | \r |
57 | //static\r |
58 | void dumpPCandExit(int is_sub)\r |
59 | {\r |
60 | char buff[128];\r |
61 | int i;\r |
62 | \r |
63 | m68k_disassemble(buff, pppc, M68K_CPU_TYPE_68000);\r |
64 | dprintf("PC: %06x: %04x: %s", pppc, ppop, buff);\r |
65 | dprintf(" this | prev");\r |
66 | for(i=0; i < 8; i++)\r |
67 | dprintf("d%i=%08x, a%i=%08x | d%i=%08x, a%i=%08x", i, other_dar(i), i, other_dar(i+8), i, old_regs[i], i, old_regs[i+8]);\r |
68 | dprintf("SR: %04x | %04x (??s? 0iii 000x nzvc)", other_get_sr(), old_sr);\r |
69 | dprintf("last_read: %08x @ %06x", lastread_d[--lrp_cyc&15], lastread_a);\r |
70 | dprintf("ops done: %i, is_sub: %i", ops, is_sub);\r |
71 | exit(1);\r |
72 | }\r |
73 | \r |
74 | int CM_compareRun(int cyc, int is_sub)\r |
75 | {\r |
76 | char *str;\r |
77 | int cyc_done=0, cyc_other, cyc_musashi, *irq_level, err=0;\r |
78 | unsigned int i, pc, mu_sr;\r |
79 | \r |
80 | m68ki_cpu_p=is_sub?&PicoCpuMS68k:&PicoCpuMM68k;\r |
81 | other_set_sub(is_sub);\r |
82 | lrp_cyc = lrp_mus = 0;\r |
83 | \r |
84 | while (cyc_done < cyc)\r |
85 | {\r |
86 | if (have_illegal && m68k_read_disassembler_16(m68ki_cpu.pc) != 0x4e73) // not rte\r |
87 | {\r |
88 | have_illegal = 0;\r |
89 | m68ki_cpu.pc += 2;\r |
90 | #ifdef EMU_C68K\r |
91 | currentC68k->pc=currentC68k->checkpc(currentC68k->pc + 2);\r |
92 | #endif\r |
93 | }\r |
94 | // hacks for test_misc2\r |
95 | if (m68ki_cpu.pc == 0x0002e0 && m68k_read_disassembler_16(m68ki_cpu.pc) == 0x4e73)\r |
96 | {\r |
97 | // get out of "priviledge violation" loop\r |
98 | have_illegal = 1;\r |
99 | //m68ki_cpu.s_flag = SFLAG_SET;\r |
100 | //currentC68k->srh|=0x20;\r |
101 | }\r |
102 | \r |
103 | pppc = is_sub ? SekPcS68k : SekPc;\r |
104 | ppop = m68k_read_disassembler_16(pppc);\r |
105 | memcpy(old_regs, &other_dar(0), 4*16);\r |
106 | old_sr = other_get_sr();\r |
107 | \r |
108 | #if 0\r |
109 | {\r |
110 | char buff[128];\r |
111 | dprintf("---");\r |
112 | m68k_disassemble(buff, pppc, M68K_CPU_TYPE_68000);\r |
113 | dprintf("PC: %06x: %04x: %s", pppc, ppop, buff);\r |
114 | //dprintf("A7: %08x", currentC68k->a[7]);\r |
115 | }\r |
116 | #endif\r |
117 | \r |
118 | irq_level = is_sub ? &dbg_irq_level_sub : &dbg_irq_level;\r |
119 | if (*irq_level)\r |
120 | {\r |
121 | other_set_irq(*irq_level);\r |
122 | m68k_set_irq(*irq_level);\r |
123 | *irq_level=0;\r |
124 | }\r |
125 | \r |
126 | cyc_other=otherRun();\r |
127 | // Musashi takes irq even if it hasn't got cycles left, let othercpu do it too\r |
128 | if (other_get_irq() && other_get_irq() > ((other_get_sr()>>8)&7))\r |
129 | cyc_other+=otherRun();\r |
130 | cyc_musashi=m68k_execute(1);\r |
131 | \r |
132 | if (cyc_other != cyc_musashi) {\r |
133 | dprintf("cycles: %i vs %i", cyc_other, cyc_musashi);\r |
134 | err=1;\r |
135 | }\r |
136 | \r |
137 | if (lrp_cyc != lrp_mus) {\r |
138 | dprintf("lrp: %i vs %i", lrp_cyc&15, lrp_mus&15);\r |
139 | err=1;\r |
140 | }\r |
141 | \r |
142 | if (lwp_cyc != lwp_mus) {\r |
143 | dprintf("lwp: %i vs %i", lwp_cyc&15, lwp_mus&15);\r |
144 | err=1;\r |
145 | }\r |
146 | \r |
147 | for (i=0; i < 16; i++) {\r |
148 | if (lastwrite_cyc_d[i] != lastwrite_mus_d[i]) {\r |
149 | dprintf("lastwrite: [%i]= %08x vs %08x", i, lastwrite_cyc_d[i], lastwrite_mus_d[i]);\r |
150 | err=1;\r |
151 | break;\r |
152 | }\r |
153 | }\r |
154 | \r |
155 | // compare PC\r |
156 | pc = is_sub ? SekPcS68k : SekPc;\r |
157 | m68ki_cpu.pc&=~1;\r |
158 | if (pc != m68ki_cpu.pc) {\r |
159 | dprintf("PC: %06x vs %06x", pc, m68ki_cpu.pc);\r |
160 | err=1;\r |
161 | }\r |
162 | \r |
163 | #if 0\r |
164 | if( SekPc > Pico.romsize || SekPc < 0x200 ) {\r |
165 | dprintf("PC out of bounds: %06x", SekPc);\r |
166 | err=1;\r |
167 | }\r |
168 | #endif\r |
169 | \r |
170 | // compare regs\r |
171 | for (i=0; i < 16; i++) {\r |
172 | if (other_dar(i) != m68ki_cpu.dar[i]) {\r |
173 | str = (i < 8) ? "d" : "a";\r |
174 | dprintf("reg: %s%i: %08x vs %08x", str, i&7, other_dar(i), m68ki_cpu.dar[i]);\r |
175 | err=1;\r |
176 | }\r |
177 | }\r |
178 | \r |
179 | // SR\r |
180 | if (other_get_sr() != (mu_sr = m68k_get_reg(NULL, M68K_REG_SR))) {\r |
181 | dprintf("SR: %04x vs %04x (??s? 0iii 000x nzvc)", other_get_sr(), mu_sr);\r |
182 | err=1;\r |
183 | }\r |
184 | \r |
185 | // IRQl\r |
186 | if (other_get_irq() != (m68ki_cpu.int_level>>8)) {\r |
187 | dprintf("IRQ: %i vs %i", other_get_irq(), (m68ki_cpu.int_level>>8));\r |
188 | err=1;\r |
189 | }\r |
190 | \r |
191 | // OSP/USP\r |
192 | if (other_osp != m68ki_cpu.sp[((mu_sr>>11)&4)^4]) {\r |
193 | dprintf("OSP: %06x vs %06x", other_osp, m68ki_cpu.sp[((mu_sr>>11)&4)^4]);\r |
194 | err=1;\r |
195 | }\r |
196 | \r |
197 | // stopped\r |
198 | if ((other_is_stopped() && !m68ki_cpu.stopped) || (!other_is_stopped() && m68ki_cpu.stopped)) {\r |
199 | dprintf("stopped: %i vs %i", other_is_stopped(), m68ki_cpu.stopped);\r |
200 | err=1;\r |
201 | }\r |
202 | \r |
203 | // tracing\r |
204 | if((other_is_tracing() && !m68ki_tracing) || (!other_is_tracing() && m68ki_tracing)) {\r |
205 | dprintf("tracing: %i vs %i", other_is_tracing(), m68ki_tracing);\r |
206 | err=1;\r |
207 | }\r |
208 | \r |
209 | if(err) dumpPCandExit(is_sub);\r |
210 | \r |
211 | #if 0\r |
212 | if (m68ki_cpu.dar[15] < 0x00ff0000 || m68ki_cpu.dar[15] >= 0x01000000)\r |
213 | {\r |
214 | other_dar(15) = m68ki_cpu.dar[15] = 0xff8000;\r |
215 | }\r |
216 | #endif\r |
217 | #if 0\r |
218 | m68k_set_reg(M68K_REG_SR, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000)); // broken\r |
219 | CycloneSetSr(currentC68k, ((mu_sr-1)&~0x2000)|(mu_sr&0x2000));\r |
220 | currentC68k->stopped = m68ki_cpu.stopped = 0;\r |
221 | if(SekPc > 0x400 && (currentC68k->a[7] < 0xff0000 || currentC68k->a[7] > 0xffffff))\r |
222 | currentC68k->a[7] = m68ki_cpu.dar[15] = 0xff8000;\r |
223 | #endif\r |
224 | \r |
225 | cyc_done += cyc_other;\r |
226 | ops++;\r |
227 | }\r |
228 | \r |
229 | return cyc_done;\r |
230 | }\r |