]>
Commit | Line | Data |
---|---|---|
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; | |
8110fa1d EH |
56 | DECLARE_OBJ_CHECKERS(MoxieCPU, MoxieCPUClass, |
57 | MOXIE_CPU, TYPE_MOXIE_CPU) | |
525bd324 AG |
58 | |
59 | /** | |
60 | * MoxieCPUClass: | |
61 | * @parent_reset: The parent class' reset handler. | |
62 | * | |
63 | * A Moxie CPU model. | |
64 | */ | |
db1015e9 | 65 | struct MoxieCPUClass { |
525bd324 AG |
66 | /*< private >*/ |
67 | CPUClass parent_class; | |
68 | /*< public >*/ | |
69 | ||
70 | DeviceRealize parent_realize; | |
781c67ca | 71 | DeviceReset parent_reset; |
db1015e9 | 72 | }; |
525bd324 AG |
73 | |
74 | /** | |
75 | * MoxieCPU: | |
76 | * @env: #CPUMoxieState | |
77 | * | |
78 | * A Moxie CPU. | |
79 | */ | |
db1015e9 | 80 | struct MoxieCPU { |
525bd324 AG |
81 | /*< private >*/ |
82 | CPUState parent_obj; | |
83 | /*< public >*/ | |
84 | ||
5b146dc7 | 85 | CPUNegativeOffsetState neg; |
525bd324 | 86 | CPUMoxieState env; |
db1015e9 | 87 | }; |
525bd324 | 88 | |
525bd324 | 89 | |
53574064 | 90 | void moxie_cpu_do_interrupt(CPUState *cs); |
90c84c56 | 91 | void moxie_cpu_dump_state(CPUState *cpu, FILE *f, int flags); |
00b941e5 | 92 | hwaddr moxie_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); |
525bd324 AG |
93 | void moxie_translate_init(void); |
94 | int cpu_moxie_signal_handler(int host_signum, void *pinfo, | |
95 | void *puc); | |
96 | ||
0255db23 IM |
97 | #define MOXIE_CPU_TYPE_SUFFIX "-" TYPE_MOXIE_CPU |
98 | #define MOXIE_CPU_TYPE_NAME(model) model MOXIE_CPU_TYPE_SUFFIX | |
0dacec87 | 99 | #define CPU_RESOLVING_TYPE TYPE_MOXIE_CPU |
0255db23 | 100 | |
525bd324 AG |
101 | #define cpu_signal_handler cpu_moxie_signal_handler |
102 | ||
97ed5ccd | 103 | static inline int cpu_mmu_index(CPUMoxieState *env, bool ifetch) |
525bd324 AG |
104 | { |
105 | return 0; | |
106 | } | |
107 | ||
4f7c64b3 | 108 | typedef CPUMoxieState CPUArchState; |
2161a612 | 109 | typedef MoxieCPU ArchCPU; |
4f7c64b3 | 110 | |
525bd324 | 111 | #include "exec/cpu-all.h" |
525bd324 | 112 | |
525bd324 | 113 | static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc, |
89fee74a | 114 | target_ulong *cs_base, uint32_t *flags) |
525bd324 AG |
115 | { |
116 | *pc = env->pc; | |
117 | *cs_base = 0; | |
118 | *flags = 0; | |
119 | } | |
120 | ||
ccfd61fc RH |
121 | bool moxie_cpu_tlb_fill(CPUState *cs, vaddr address, int size, |
122 | MMUAccessType access_type, int mmu_idx, | |
123 | bool probe, uintptr_t retaddr); | |
525bd324 | 124 | |
07f5a258 | 125 | #endif /* MOXIE_CPU_H */ |