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
|
/*
* Moxie emulation
*
* Copyright (c) 2008, 2010, 2013 Anthony Green
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _CPU_MOXIE_H
#define _CPU_MOXIE_H
#include "config.h"
#include "qemu-common.h"
#define TARGET_LONG_BITS 32
#define CPUArchState struct CPUMoxieState
#define TARGET_HAS_ICE 1
#define ELF_MACHINE 0xFEED /* EM_MOXIE */
#define MOXIE_EX_DIV0 0
#define MOXIE_EX_BAD 1
#define MOXIE_EX_IRQ 2
#define MOXIE_EX_SWI 3
#define MOXIE_EX_MMU_MISS 4
#define MOXIE_EX_BREAK 16
#include "exec/cpu-defs.h"
#include "fpu/softfloat.h"
#define TARGET_PAGE_BITS 12 /* 4k */
#define TARGET_PHYS_ADDR_SPACE_BITS 32
#define TARGET_VIRT_ADDR_SPACE_BITS 32
#define NB_MMU_MODES 1
typedef struct CPUMoxieState {
uint32_t flags; /* general execution flags */
uint32_t gregs[16]; /* general registers */
uint32_t sregs[256]; /* special registers */
uint32_t pc; /* program counter */
/* Instead of saving the cc value, we save the cmp arguments
and compute cc on demand. */
uint32_t cc_a; /* reg a for condition code calculation */
uint32_t cc_b; /* reg b for condition code calculation */
void *irq[8];
CPU_COMMON
} CPUMoxieState;
#include "qom/cpu.h"
#define TYPE_MOXIE_CPU "moxie-cpu"
#define MOXIE_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(MoxieCPUClass, (klass), TYPE_MOXIE_CPU)
#define MOXIE_CPU(obj) \
OBJECT_CHECK(MoxieCPU, (obj), TYPE_MOXIE_CPU)
#define MOXIE_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(MoxieCPUClass, (obj), TYPE_MOXIE_CPU)
/**
* MoxieCPUClass:
* @parent_reset: The parent class' reset handler.
*
* A Moxie CPU model.
*/
typedef struct MoxieCPUClass {
/*< private >*/
CPUClass parent_class;
/*< public >*/
DeviceRealize parent_realize;
void (*parent_reset)(CPUState *cpu);
} MoxieCPUClass;
/**
* MoxieCPU:
* @env: #CPUMoxieState
*
* A Moxie CPU.
*/
typedef struct MoxieCPU {
/*< private >*/
CPUState parent_obj;
/*< public >*/
CPUMoxieState env;
} MoxieCPU;
static inline MoxieCPU *moxie_env_get_cpu(CPUMoxieState *env)
{
return MOXIE_CPU(container_of(env, MoxieCPU, env));
}
#define ENV_GET_CPU(e) CPU(moxie_env_get_cpu(e))
#define ENV_OFFSET offsetof(MoxieCPU, env)
MoxieCPU *cpu_moxie_init(const char *cpu_model);
int cpu_moxie_exec(CPUMoxieState *s);
void moxie_cpu_do_interrupt(CPUState *cs);
void moxie_cpu_dump_state(CPUState *cpu, FILE *f,
fprintf_function cpu_fprintf, int flags);
void moxie_translate_init(void);
int cpu_moxie_signal_handler(int host_signum, void *pinfo,
void *puc);
static inline CPUMoxieState *cpu_init(const char *cpu_model)
{
MoxieCPU *cpu = cpu_moxie_init(cpu_model);
if (cpu == NULL) {
return NULL;
}
return &cpu->env;
}
#define cpu_exec cpu_moxie_exec
#define cpu_gen_code cpu_moxie_gen_code
#define cpu_signal_handler cpu_moxie_signal_handler
static inline int cpu_mmu_index(CPUMoxieState *env)
{
return 0;
}
#include "exec/cpu-all.h"
#include "exec/exec-all.h"
static inline void cpu_pc_from_tb(CPUMoxieState *env, TranslationBlock *tb)
{
env->pc = tb->pc;
}
static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc,
target_ulong *cs_base, int *flags)
{
*pc = env->pc;
*cs_base = 0;
*flags = 0;
}
static inline int cpu_has_work(CPUState *cpu)
{
return cpu->interrupt_request & CPU_INTERRUPT_HARD;
}
int cpu_moxie_handle_mmu_fault(CPUMoxieState *env, target_ulong address,
int rw, int mmu_idx);
#endif /* _CPU_MOXIE_H */
|
