1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
|
#if !defined(__QEMU_MIPS_EXEC_H__)
#define __QEMU_MIPS_EXEC_H__
//#define DEBUG_OP
#include "config.h"
#include "mips-defs.h"
#include "dyngen-exec.h"
#include "cpu-defs.h"
register struct CPUMIPSState *env asm(AREG0);
#if TARGET_LONG_BITS > HOST_LONG_BITS
#define T0 (env->t0)
#define T1 (env->t1)
#else
register target_ulong T0 asm(AREG1);
register target_ulong T1 asm(AREG2);
#endif
#if defined (USE_HOST_FLOAT_REGS)
#error "implement me."
#else
#define FDT0 (env->fpu->ft0.fd)
#define FDT1 (env->fpu->ft1.fd)
#define FDT2 (env->fpu->ft2.fd)
#define FST0 (env->fpu->ft0.fs[FP_ENDIAN_IDX])
#define FST1 (env->fpu->ft1.fs[FP_ENDIAN_IDX])
#define FST2 (env->fpu->ft2.fs[FP_ENDIAN_IDX])
#define FSTH0 (env->fpu->ft0.fs[!FP_ENDIAN_IDX])
#define FSTH1 (env->fpu->ft1.fs[!FP_ENDIAN_IDX])
#define FSTH2 (env->fpu->ft2.fs[!FP_ENDIAN_IDX])
#define DT0 (env->fpu->ft0.d)
#define DT1 (env->fpu->ft1.d)
#define DT2 (env->fpu->ft2.d)
#define WT0 (env->fpu->ft0.w[FP_ENDIAN_IDX])
#define WT1 (env->fpu->ft1.w[FP_ENDIAN_IDX])
#define WT2 (env->fpu->ft2.w[FP_ENDIAN_IDX])
#define WTH0 (env->fpu->ft0.w[!FP_ENDIAN_IDX])
#define WTH1 (env->fpu->ft1.w[!FP_ENDIAN_IDX])
#define WTH2 (env->fpu->ft2.w[!FP_ENDIAN_IDX])
#endif
#include "cpu.h"
#include "exec-all.h"
#if !defined(CONFIG_USER_ONLY)
#include "softmmu_exec.h"
#endif /* !defined(CONFIG_USER_ONLY) */
#if defined(TARGET_MIPS64)
#if TARGET_LONG_BITS > HOST_LONG_BITS
void do_dsll (void);
void do_dsll32 (void);
void do_dsra (void);
void do_dsra32 (void);
void do_dsrl (void);
void do_dsrl32 (void);
void do_drotr (void);
void do_drotr32 (void);
void do_dsllv (void);
void do_dsrav (void);
void do_dsrlv (void);
void do_drotrv (void);
void do_dclo (void);
void do_dclz (void);
#endif
#endif
#if HOST_LONG_BITS < 64
void do_div (void);
#endif
#if TARGET_LONG_BITS > HOST_LONG_BITS
void do_mult (void);
void do_multu (void);
void do_madd (void);
void do_maddu (void);
void do_msub (void);
void do_msubu (void);
void do_muls (void);
void do_mulsu (void);
void do_macc (void);
void do_macchi (void);
void do_maccu (void);
void do_macchiu (void);
void do_msac (void);
void do_msachi (void);
void do_msacu (void);
void do_msachiu (void);
void do_mulhi (void);
void do_mulhiu (void);
void do_mulshi (void);
void do_mulshiu (void);
#endif
#if defined(TARGET_MIPS64)
void do_ddiv (void);
#if TARGET_LONG_BITS > HOST_LONG_BITS
void do_ddivu (void);
#endif
#endif
void do_mfc0_random(void);
void do_mfc0_count(void);
void do_mtc0_entryhi(uint32_t in);
void do_mtc0_status_debug(uint32_t old, uint32_t val);
void do_mtc0_status_irqraise_debug(void);
void dump_fpu(CPUState *env);
void fpu_dump_state(CPUState *env, FILE *f,
int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
int flags);
void dump_sc (void);
void do_pmon (int function);
int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
int mmu_idx, int is_softmmu);
void do_interrupt (CPUState *env);
void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra);
void cpu_loop_exit(void);
void do_raise_exception_err (uint32_t exception, int error_code);
void do_raise_exception (uint32_t exception);
void cpu_dump_state(CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags);
void cpu_mips_irqctrl_init (void);
uint32_t cpu_mips_get_random (CPUState *env);
uint32_t cpu_mips_get_count (CPUState *env);
void cpu_mips_store_count (CPUState *env, uint32_t value);
void cpu_mips_store_compare (CPUState *env, uint32_t value);
void cpu_mips_start_count(CPUState *env);
void cpu_mips_stop_count(CPUState *env);
void cpu_mips_update_irq (CPUState *env);
void cpu_mips_clock_init (CPUState *env);
void cpu_mips_tlb_flush (CPUState *env, int flush_global);
void do_cfc1 (int reg);
void do_ctc1 (int reg);
#define FOP_PROTO(op) \
void do_float_ ## op ## _s(void); \
void do_float_ ## op ## _d(void);
FOP_PROTO(roundl)
FOP_PROTO(roundw)
FOP_PROTO(truncl)
FOP_PROTO(truncw)
FOP_PROTO(ceill)
FOP_PROTO(ceilw)
FOP_PROTO(floorl)
FOP_PROTO(floorw)
FOP_PROTO(rsqrt)
FOP_PROTO(recip)
#undef FOP_PROTO
#define FOP_PROTO(op) \
void do_float_ ## op ## _s(void); \
void do_float_ ## op ## _d(void); \
void do_float_ ## op ## _ps(void);
FOP_PROTO(add)
FOP_PROTO(sub)
FOP_PROTO(mul)
FOP_PROTO(div)
FOP_PROTO(recip1)
FOP_PROTO(recip2)
FOP_PROTO(rsqrt1)
FOP_PROTO(rsqrt2)
#undef FOP_PROTO
void do_float_cvtd_s(void);
void do_float_cvtd_w(void);
void do_float_cvtd_l(void);
void do_float_cvtl_d(void);
void do_float_cvtl_s(void);
void do_float_cvtps_pw(void);
void do_float_cvtpw_ps(void);
void do_float_cvts_d(void);
void do_float_cvts_w(void);
void do_float_cvts_l(void);
void do_float_cvts_pl(void);
void do_float_cvts_pu(void);
void do_float_cvtw_s(void);
void do_float_cvtw_d(void);
void do_float_addr_ps(void);
void do_float_mulr_ps(void);
#define FOP_PROTO(op) \
void do_cmp_d_ ## op(long cc); \
void do_cmpabs_d_ ## op(long cc); \
void do_cmp_s_ ## op(long cc); \
void do_cmpabs_s_ ## op(long cc); \
void do_cmp_ps_ ## op(long cc); \
void do_cmpabs_ps_ ## op(long cc);
FOP_PROTO(f)
FOP_PROTO(un)
FOP_PROTO(eq)
FOP_PROTO(ueq)
FOP_PROTO(olt)
FOP_PROTO(ult)
FOP_PROTO(ole)
FOP_PROTO(ule)
FOP_PROTO(sf)
FOP_PROTO(ngle)
FOP_PROTO(seq)
FOP_PROTO(ngl)
FOP_PROTO(lt)
FOP_PROTO(nge)
FOP_PROTO(le)
FOP_PROTO(ngt)
#undef FOP_PROTO
static always_inline void env_to_regs(void)
{
}
static always_inline void regs_to_env(void)
{
}
static always_inline int cpu_halted(CPUState *env)
{
if (!env->halted)
return 0;
if (env->interrupt_request &
(CPU_INTERRUPT_HARD | CPU_INTERRUPT_TIMER)) {
env->halted = 0;
return 0;
}
return EXCP_HALTED;
}
static always_inline void compute_hflags(CPUState *env)
{
env->hflags &= ~(MIPS_HFLAG_COP1X | MIPS_HFLAG_64 | MIPS_HFLAG_CP0 |
MIPS_HFLAG_F64 | MIPS_HFLAG_FPU | MIPS_HFLAG_KSU);
if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
!(env->CP0_Status & (1 << CP0St_ERL)) &&
!(env->hflags & MIPS_HFLAG_DM)) {
env->hflags |= (env->CP0_Status >> CP0St_KSU) & MIPS_HFLAG_KSU;
}
#if defined(TARGET_MIPS64)
if (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_UM) ||
(env->CP0_Status & (1 << CP0St_PX)) ||
(env->CP0_Status & (1 << CP0St_UX)))
env->hflags |= MIPS_HFLAG_64;
#endif
if ((env->CP0_Status & (1 << CP0St_CU0)) ||
!(env->hflags & MIPS_HFLAG_KSU))
env->hflags |= MIPS_HFLAG_CP0;
if (env->CP0_Status & (1 << CP0St_CU1))
env->hflags |= MIPS_HFLAG_FPU;
if (env->CP0_Status & (1 << CP0St_FR))
env->hflags |= MIPS_HFLAG_F64;
if (env->insn_flags & ISA_MIPS32R2) {
if (env->fpu->fcr0 & (1 << FCR0_F64))
env->hflags |= MIPS_HFLAG_COP1X;
} else if (env->insn_flags & ISA_MIPS32) {
if (env->hflags & MIPS_HFLAG_64)
env->hflags |= MIPS_HFLAG_COP1X;
} else if (env->insn_flags & ISA_MIPS4) {
/* All supported MIPS IV CPUs use the XX (CU3) to enable
and disable the MIPS IV extensions to the MIPS III ISA.
Some other MIPS IV CPUs ignore the bit, so the check here
would be too restrictive for them. */
if (env->CP0_Status & (1 << CP0St_CU3))
env->hflags |= MIPS_HFLAG_COP1X;
}
}
#endif /* !defined(__QEMU_MIPS_EXEC_H__) */
|
