1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2 * Mupen64plus - r4300_core.c *
3 * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
4 * Copyright (C) 2014 Bobby Smiles *
5 * *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
20 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
21
22 #include <string.h>
23
24 #include "r4300_core.h"
25
26 #include "cached_interp.h"
27 #include "cp0_private.h"
28 #include "cp1_private.h"
29 #include "mi_controller.h"
30 #include "new_dynarec/new_dynarec.h"
31 #include "r4300.h"
32 #include "recomp.h"
33
init_r4300(struct r4300_core * r4300,unsigned int emumode,unsigned int count_per_op,int special_rom)34 void init_r4300(struct r4300_core* r4300, unsigned int emumode, unsigned int count_per_op, int special_rom)
35 {
36 r4300emu = emumode;
37
38 init_cp0(count_per_op);
39
40 #if 0
41 r4300->recomp.no_compiled_jump = no_compiled_jump;
42 #endif
43 r4300->special_rom = special_rom;
44 }
45
poweron_r4300(struct r4300_core * r4300)46 void poweron_r4300(struct r4300_core* r4300)
47 {
48 unsigned int i;
49
50
51 hi=0;
52 lo=0;
53 llbit=0;
54
55 r4300->delay_slot = 0;
56
57 r4300->recomp.fast_memory = 1;
58 r4300->recomp.delay_slot_compiled = 0;
59
60 /* set COP0 registers */
61 poweron_cp0();
62
63 /* setup CP1 registers */
64 poweron_cp1();
65
66 poweron_mi(&r4300->mi);
67 }
68
r4300_regs(void)69 int64_t* r4300_regs(void)
70 {
71 return reg;
72 }
73
r4300_mult_hi(void)74 int64_t* r4300_mult_hi(void)
75 {
76 return &hi;
77 }
78
r4300_mult_lo(void)79 int64_t* r4300_mult_lo(void)
80 {
81 return &lo;
82 }
83
r4300_llbit(void)84 unsigned int* r4300_llbit(void)
85 {
86 return &llbit;
87 }
88
r4300_pc(void)89 uint32_t* r4300_pc(void)
90 {
91 #ifdef NEW_DYNAREC
92 if (r4300emu == CORE_DYNAREC)
93 return (uint32_t*)&pcaddr;
94 #endif
95 return &PC->addr;
96 }
97
r4300_last_addr(void)98 uint32_t* r4300_last_addr(void)
99 {
100 return &last_addr;
101 }
102
r4300_next_interrupt(void)103 unsigned int* r4300_next_interrupt(void)
104 {
105 return &next_interrupt;
106 }
107
get_r4300_emumode(void)108 unsigned int get_r4300_emumode(void)
109 {
110 return r4300emu;
111 }
112
invalidate_r4300_cached_code(uint32_t address,size_t size)113 void invalidate_r4300_cached_code(uint32_t address, size_t size)
114 {
115 if (r4300emu == CORE_PURE_INTERPRETER)
116 return;
117
118 #ifdef NEW_DYNAREC
119 if (r4300emu == CORE_DYNAREC)
120 invalidate_cached_code_new_dynarec(address, size);
121 else
122 #endif
123 invalidate_cached_code_hacktarux(address, size);
124 }
125
126 /* XXX: not really a good interface but it gets the job done... */
savestates_load_set_pc(uint32_t pc)127 void savestates_load_set_pc(uint32_t pc)
128 {
129 #ifdef NEW_DYNAREC
130 if (r4300emu == CORE_DYNAREC)
131 {
132 pcaddr = pc;
133 pending_exception = 1;
134 invalidate_all_pages();
135 }
136 else
137 #endif
138 {
139 generic_jump_to(pc);
140 invalidate_r4300_cached_code(0,0);
141 }
142 }
143