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Commit | Line | Data |
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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 | |
70c9483a | 9 | * version 2.1 of the License, or (at your option) any later version. |
525bd324 AG |
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 | * | |
70c9483a | 16 | * You should have received a copy of the GNU Lesser General Public License |
525bd324 AG |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
18 | */ | |
07f5a258 MA |
19 | |
20 | #ifndef MOXIE_CPU_H | |
21 | #define MOXIE_CPU_H | |
525bd324 | 22 | |
74433bf0 | 23 | #include "exec/cpu-defs.h" |
db1015e9 | 24 | #include "qom/object.h" |
525bd324 | 25 | |
525bd324 AG |
26 | #define MOXIE_EX_DIV0 0 |
27 | #define MOXIE_EX_BAD 1 | |
28 | #define MOXIE_EX_IRQ 2 | |
29 | #define MOXIE_EX_SWI 3 | |
30 | #define MOXIE_EX_MMU_MISS 4 | |
31 | #define MOXIE_EX_BREAK 16 | |
32 | ||
525bd324 AG |
33 | typedef struct CPUMoxieState { |
34 | ||
35 | uint32_t flags; /* general execution flags */ | |
36 | uint32_t gregs[16]; /* general registers */ | |
37 | uint32_t sregs[256]; /* special registers */ | |
38 | uint32_t pc; /* program counter */ | |
39 | /* Instead of saving the cc value, we save the cmp arguments | |
40 | and compute cc on demand. */ | |
41 | uint32_t cc_a; /* reg a for condition code calculation */ | |
42 | uint32_t cc_b; /* reg b for condition code calculation */ | |
43 | ||
44 | void *irq[8]; | |
45 | ||
1f5c00cf AB |
46 | /* Fields up to this point are cleared by a CPU reset */ |
47 | struct {} end_reset_fields; | |
525bd324 AG |
48 | } CPUMoxieState; |
49 | ||
2e5b09fd | 50 | #include "hw/core/cpu.h" |
525bd324 AG |
51 | |
52 | #define TYPE_MOXIE_CPU "moxie-cpu" | |
53 | ||
db1015e9 EH |
54 | typedef struct MoxieCPU MoxieCPU; |
55 | typedef struct MoxieCPUClass MoxieCPUClass; | |
525bd324 AG |
56 | #define MOXIE_CPU_CLASS(klass) \ |
57 | OBJECT_CLASS_CHECK(MoxieCPUClass, (klass), TYPE_MOXIE_CPU) | |
58 | #define MOXIE_CPU(obj) \ | |
59 | OBJECT_CHECK(MoxieCPU, (obj), TYPE_MOXIE_CPU) | |
60 | #define MOXIE_CPU_GET_CLASS(obj) \ | |
61 | OBJECT_GET_CLASS(MoxieCPUClass, (obj), TYPE_MOXIE_CPU) | |
62 | ||
63 | /** | |
64 | * MoxieCPUClass: | |
65 | * @parent_reset: The parent class' reset handler. | |
66 | * | |
67 | * A Moxie CPU model. | |
68 | */ | |
db1015e9 | 69 | struct MoxieCPUClass { |
525bd324 AG |
70 | /*< private >*/ |
71 | CPUClass parent_class; | |
72 | /*< public >*/ | |
73 | ||
74 | DeviceRealize parent_realize; | |
781c67ca | 75 | DeviceReset parent_reset; |
db1015e9 | 76 | }; |
525bd324 AG |
77 | |
78 | /** | |
79 | * MoxieCPU: | |
80 | * @env: #CPUMoxieState | |
81 | * | |
82 | * A Moxie CPU. | |
83 | */ | |
db1015e9 | 84 | struct MoxieCPU { |
525bd324 AG |
85 | /*< private >*/ |
86 | CPUState parent_obj; | |
87 | /*< public >*/ | |
88 | ||
5b146dc7 | 89 | CPUNegativeOffsetState neg; |
525bd324 | 90 | CPUMoxieState env; |
db1015e9 | 91 | }; |
525bd324 | 92 | |
525bd324 | 93 | |
53574064 | 94 | void moxie_cpu_do_interrupt(CPUState *cs); |
90c84c56 | 95 | void moxie_cpu_dump_state(CPUState *cpu, FILE *f, int flags); |
00b941e5 | 96 | hwaddr moxie_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); |
525bd324 AG |
97 | void moxie_translate_init(void); |
98 | int cpu_moxie_signal_handler(int host_signum, void *pinfo, | |
99 | void *puc); | |
100 | ||
0255db23 IM |
101 | #define MOXIE_CPU_TYPE_SUFFIX "-" TYPE_MOXIE_CPU |
102 | #define MOXIE_CPU_TYPE_NAME(model) model MOXIE_CPU_TYPE_SUFFIX | |
0dacec87 | 103 | #define CPU_RESOLVING_TYPE TYPE_MOXIE_CPU |
0255db23 | 104 | |
525bd324 AG |
105 | #define cpu_signal_handler cpu_moxie_signal_handler |
106 | ||
97ed5ccd | 107 | static inline int cpu_mmu_index(CPUMoxieState *env, bool ifetch) |
525bd324 AG |
108 | { |
109 | return 0; | |
110 | } | |
111 | ||
4f7c64b3 | 112 | typedef CPUMoxieState CPUArchState; |
2161a612 | 113 | typedef MoxieCPU ArchCPU; |
4f7c64b3 | 114 | |
525bd324 | 115 | #include "exec/cpu-all.h" |
525bd324 | 116 | |
525bd324 | 117 | static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc, |
89fee74a | 118 | target_ulong *cs_base, uint32_t *flags) |
525bd324 AG |
119 | { |
120 | *pc = env->pc; | |
121 | *cs_base = 0; | |
122 | *flags = 0; | |
123 | } | |
124 | ||
ccfd61fc RH |
125 | bool moxie_cpu_tlb_fill(CPUState *cs, vaddr address, int size, |
126 | MMUAccessType access_type, int mmu_idx, | |
127 | bool probe, uintptr_t retaddr); | |
525bd324 | 128 | |
07f5a258 | 129 | #endif /* MOXIE_CPU_H */ |