4 * Copyright (c) 2008, 2010, 2013 Anthony Green
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.
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.
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/>.
23 #include "qemu-common.h"
25 #define TARGET_LONG_BITS 32
27 #define CPUArchState struct CPUMoxieState
29 #define TARGET_HAS_ICE 1
31 #define CPU_SAVE_VERSION 1
33 #define ELF_MACHINE 0xFEED /* EM_MOXIE */
35 #define MOXIE_EX_DIV0 0
36 #define MOXIE_EX_BAD 1
37 #define MOXIE_EX_IRQ 2
38 #define MOXIE_EX_SWI 3
39 #define MOXIE_EX_MMU_MISS 4
40 #define MOXIE_EX_BREAK 16
42 #include "exec/cpu-defs.h"
43 #include "fpu/softfloat.h"
45 #define TARGET_PAGE_BITS 12 /* 4k */
47 #define TARGET_PHYS_ADDR_SPACE_BITS 32
48 #define TARGET_VIRT_ADDR_SPACE_BITS 32
50 #define NB_MMU_MODES 1
52 typedef struct CPUMoxieState
{
54 uint32_t flags
; /* general execution flags */
55 uint32_t gregs
[16]; /* general registers */
56 uint32_t sregs
[256]; /* special registers */
57 uint32_t pc
; /* program counter */
58 /* Instead of saving the cc value, we save the cmp arguments
59 and compute cc on demand. */
60 uint32_t cc_a
; /* reg a for condition code calculation */
61 uint32_t cc_b
; /* reg b for condition code calculation */
71 #define TYPE_MOXIE_CPU "moxie-cpu"
73 #define MOXIE_CPU_CLASS(klass) \
74 OBJECT_CLASS_CHECK(MoxieCPUClass, (klass), TYPE_MOXIE_CPU)
75 #define MOXIE_CPU(obj) \
76 OBJECT_CHECK(MoxieCPU, (obj), TYPE_MOXIE_CPU)
77 #define MOXIE_CPU_GET_CLASS(obj) \
78 OBJECT_GET_CLASS(MoxieCPUClass, (obj), TYPE_MOXIE_CPU)
82 * @parent_reset: The parent class' reset handler.
86 typedef struct MoxieCPUClass
{
88 CPUClass parent_class
;
91 DeviceRealize parent_realize
;
92 void (*parent_reset
)(CPUState
*cpu
);
97 * @env: #CPUMoxieState
101 typedef struct MoxieCPU
{
109 static inline MoxieCPU
*moxie_env_get_cpu(CPUMoxieState
*env
)
111 return MOXIE_CPU(container_of(env
, MoxieCPU
, env
));
114 #define ENV_GET_CPU(e) CPU(moxie_env_get_cpu(e))
116 #define ENV_OFFSET offsetof(MoxieCPU, env)
118 MoxieCPU
*cpu_moxie_init(const char *cpu_model
);
119 int cpu_moxie_exec(CPUMoxieState
*s
);
120 void do_interrupt(CPUMoxieState
*env
);
121 void moxie_translate_init(void);
122 int cpu_moxie_signal_handler(int host_signum
, void *pinfo
,
125 static inline CPUMoxieState
*cpu_init(const char *cpu_model
)
127 MoxieCPU
*cpu
= cpu_moxie_init(cpu_model
);
134 #define cpu_exec cpu_moxie_exec
135 #define cpu_gen_code cpu_moxie_gen_code
136 #define cpu_signal_handler cpu_moxie_signal_handler
138 static inline int cpu_mmu_index(CPUMoxieState
*env
)
143 #include "exec/cpu-all.h"
144 #include "exec/exec-all.h"
146 static inline void cpu_pc_from_tb(CPUMoxieState
*env
, TranslationBlock
*tb
)
151 static inline void cpu_get_tb_cpu_state(CPUMoxieState
*env
, target_ulong
*pc
,
152 target_ulong
*cs_base
, int *flags
)
159 static inline int cpu_has_work(CPUState
*cpu
)
161 return cpu
->interrupt_request
& CPU_INTERRUPT_HARD
;
164 int cpu_moxie_handle_mmu_fault(CPUMoxieState
*env
, target_ulong address
,
165 int rw
, int mmu_idx
);
167 #endif /* _CPU_MOXIE_H */