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525bd324 AG |
1 | /* |
2 | * Moxie emulation | |
3 | * | |
4 | * Copyright (c) 2008, 2010, 2013 Anthony Green | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library 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 GNU | |
14 | * Lesser 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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | #ifndef _CPU_MOXIE_H | |
20 | #define _CPU_MOXIE_H | |
21 | ||
525bd324 AG |
22 | #include "qemu-common.h" |
23 | ||
24 | #define TARGET_LONG_BITS 32 | |
25 | ||
26 | #define CPUArchState struct CPUMoxieState | |
27 | ||
525bd324 AG |
28 | #define MOXIE_EX_DIV0 0 |
29 | #define MOXIE_EX_BAD 1 | |
30 | #define MOXIE_EX_IRQ 2 | |
31 | #define MOXIE_EX_SWI 3 | |
32 | #define MOXIE_EX_MMU_MISS 4 | |
33 | #define MOXIE_EX_BREAK 16 | |
34 | ||
35 | #include "exec/cpu-defs.h" | |
36 | #include "fpu/softfloat.h" | |
37 | ||
38 | #define TARGET_PAGE_BITS 12 /* 4k */ | |
39 | ||
40 | #define TARGET_PHYS_ADDR_SPACE_BITS 32 | |
41 | #define TARGET_VIRT_ADDR_SPACE_BITS 32 | |
42 | ||
43 | #define NB_MMU_MODES 1 | |
44 | ||
45 | typedef struct CPUMoxieState { | |
46 | ||
47 | uint32_t flags; /* general execution flags */ | |
48 | uint32_t gregs[16]; /* general registers */ | |
49 | uint32_t sregs[256]; /* special registers */ | |
50 | uint32_t pc; /* program counter */ | |
51 | /* Instead of saving the cc value, we save the cmp arguments | |
52 | and compute cc on demand. */ | |
53 | uint32_t cc_a; /* reg a for condition code calculation */ | |
54 | uint32_t cc_b; /* reg b for condition code calculation */ | |
55 | ||
56 | void *irq[8]; | |
57 | ||
58 | CPU_COMMON | |
59 | ||
60 | } CPUMoxieState; | |
61 | ||
62 | #include "qom/cpu.h" | |
63 | ||
64 | #define TYPE_MOXIE_CPU "moxie-cpu" | |
65 | ||
66 | #define MOXIE_CPU_CLASS(klass) \ | |
67 | OBJECT_CLASS_CHECK(MoxieCPUClass, (klass), TYPE_MOXIE_CPU) | |
68 | #define MOXIE_CPU(obj) \ | |
69 | OBJECT_CHECK(MoxieCPU, (obj), TYPE_MOXIE_CPU) | |
70 | #define MOXIE_CPU_GET_CLASS(obj) \ | |
71 | OBJECT_GET_CLASS(MoxieCPUClass, (obj), TYPE_MOXIE_CPU) | |
72 | ||
73 | /** | |
74 | * MoxieCPUClass: | |
75 | * @parent_reset: The parent class' reset handler. | |
76 | * | |
77 | * A Moxie CPU model. | |
78 | */ | |
79 | typedef struct MoxieCPUClass { | |
80 | /*< private >*/ | |
81 | CPUClass parent_class; | |
82 | /*< public >*/ | |
83 | ||
84 | DeviceRealize parent_realize; | |
85 | void (*parent_reset)(CPUState *cpu); | |
86 | } MoxieCPUClass; | |
87 | ||
88 | /** | |
89 | * MoxieCPU: | |
90 | * @env: #CPUMoxieState | |
91 | * | |
92 | * A Moxie CPU. | |
93 | */ | |
94 | typedef struct MoxieCPU { | |
95 | /*< private >*/ | |
96 | CPUState parent_obj; | |
97 | /*< public >*/ | |
98 | ||
99 | CPUMoxieState env; | |
100 | } MoxieCPU; | |
101 | ||
102 | static inline MoxieCPU *moxie_env_get_cpu(CPUMoxieState *env) | |
103 | { | |
6e42be7c | 104 | return container_of(env, MoxieCPU, env); |
525bd324 AG |
105 | } |
106 | ||
107 | #define ENV_GET_CPU(e) CPU(moxie_env_get_cpu(e)) | |
108 | ||
109 | #define ENV_OFFSET offsetof(MoxieCPU, env) | |
110 | ||
111 | MoxieCPU *cpu_moxie_init(const char *cpu_model); | |
ea3e9847 | 112 | int cpu_moxie_exec(CPUState *cpu); |
53574064 | 113 | void moxie_cpu_do_interrupt(CPUState *cs); |
878096ee AF |
114 | void moxie_cpu_dump_state(CPUState *cpu, FILE *f, |
115 | fprintf_function cpu_fprintf, int flags); | |
00b941e5 | 116 | hwaddr moxie_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); |
525bd324 AG |
117 | void moxie_translate_init(void); |
118 | int cpu_moxie_signal_handler(int host_signum, void *pinfo, | |
119 | void *puc); | |
120 | ||
2994fd96 | 121 | #define cpu_init(cpu_model) CPU(cpu_moxie_init(cpu_model)) |
525bd324 AG |
122 | |
123 | #define cpu_exec cpu_moxie_exec | |
525bd324 AG |
124 | #define cpu_signal_handler cpu_moxie_signal_handler |
125 | ||
97ed5ccd | 126 | static inline int cpu_mmu_index(CPUMoxieState *env, bool ifetch) |
525bd324 AG |
127 | { |
128 | return 0; | |
129 | } | |
130 | ||
131 | #include "exec/cpu-all.h" | |
132 | #include "exec/exec-all.h" | |
133 | ||
525bd324 | 134 | static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc, |
89fee74a | 135 | target_ulong *cs_base, uint32_t *flags) |
525bd324 AG |
136 | { |
137 | *pc = env->pc; | |
138 | *cs_base = 0; | |
139 | *flags = 0; | |
140 | } | |
141 | ||
7510454e | 142 | int moxie_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, |
525bd324 AG |
143 | int rw, int mmu_idx); |
144 | ||
145 | #endif /* _CPU_MOXIE_H */ |