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
|
/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 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 HEXAGON_CPU_H
#define HEXAGON_CPU_H
/* Forward declaration needed by some of the header files */
typedef struct CPUHexagonState CPUHexagonState;
#include "fpu/softfloat-types.h"
#include "qemu-common.h"
#include "exec/cpu-defs.h"
#include "hex_regs.h"
#define NUM_PREGS 4
#define TOTAL_PER_THREAD_REGS 64
#define SLOTS_MAX 4
#define STORES_MAX 2
#define REG_WRITES_MAX 32
#define PRED_WRITES_MAX 5 /* 4 insns + endloop */
#define TYPE_HEXAGON_CPU "hexagon-cpu"
#define HEXAGON_CPU_TYPE_SUFFIX "-" TYPE_HEXAGON_CPU
#define HEXAGON_CPU_TYPE_NAME(name) (name HEXAGON_CPU_TYPE_SUFFIX)
#define CPU_RESOLVING_TYPE TYPE_HEXAGON_CPU
#define TYPE_HEXAGON_CPU_V67 HEXAGON_CPU_TYPE_NAME("v67")
#define MMU_USER_IDX 0
typedef struct {
target_ulong va;
uint8_t width;
uint32_t data32;
uint64_t data64;
} MemLog;
#define EXEC_STATUS_OK 0x0000
#define EXEC_STATUS_STOP 0x0002
#define EXEC_STATUS_REPLAY 0x0010
#define EXEC_STATUS_LOCKED 0x0020
#define EXEC_STATUS_EXCEPTION 0x0100
#define EXCEPTION_DETECTED (env->status & EXEC_STATUS_EXCEPTION)
#define REPLAY_DETECTED (env->status & EXEC_STATUS_REPLAY)
#define CLEAR_EXCEPTION (env->status &= (~EXEC_STATUS_EXCEPTION))
#define SET_EXCEPTION (env->status |= EXEC_STATUS_EXCEPTION)
struct CPUHexagonState {
target_ulong gpr[TOTAL_PER_THREAD_REGS];
target_ulong pred[NUM_PREGS];
target_ulong branch_taken;
target_ulong next_PC;
/* For comparing with LLDB on target - see adjust_stack_ptrs function */
target_ulong last_pc_dumped;
target_ulong stack_start;
uint8_t slot_cancelled;
target_ulong new_value[TOTAL_PER_THREAD_REGS];
/*
* Only used when HEX_DEBUG is on, but unconditionally included
* to reduce recompile time when turning HEX_DEBUG on/off.
*/
target_ulong this_PC;
target_ulong reg_written[TOTAL_PER_THREAD_REGS];
target_ulong new_pred_value[NUM_PREGS];
target_ulong pred_written;
MemLog mem_log_stores[STORES_MAX];
target_ulong pkt_has_store_s1;
target_ulong dczero_addr;
float_status fp_status;
target_ulong llsc_addr;
target_ulong llsc_val;
uint64_t llsc_val_i64;
target_ulong is_gather_store_insn;
target_ulong gather_issued;
};
#define HEXAGON_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(HexagonCPUClass, (klass), TYPE_HEXAGON_CPU)
#define HEXAGON_CPU(obj) \
OBJECT_CHECK(HexagonCPU, (obj), TYPE_HEXAGON_CPU)
#define HEXAGON_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(HexagonCPUClass, (obj), TYPE_HEXAGON_CPU)
typedef struct HexagonCPUClass {
/*< private >*/
CPUClass parent_class;
/*< public >*/
DeviceRealize parent_realize;
DeviceReset parent_reset;
} HexagonCPUClass;
typedef struct HexagonCPU {
/*< private >*/
CPUState parent_obj;
/*< public >*/
CPUNegativeOffsetState neg;
CPUHexagonState env;
bool lldb_compat;
target_ulong lldb_stack_adjust;
} HexagonCPU;
#include "cpu_bits.h"
static inline void cpu_get_tb_cpu_state(CPUHexagonState *env, target_ulong *pc,
target_ulong *cs_base, uint32_t *flags)
{
*pc = env->gpr[HEX_REG_PC];
*cs_base = 0;
#ifdef CONFIG_USER_ONLY
*flags = 0;
#else
#error System mode not supported on Hexagon yet
#endif
}
typedef struct CPUHexagonState CPUArchState;
typedef HexagonCPU ArchCPU;
void hexagon_translate_init(void);
#include "exec/cpu-all.h"
#endif /* HEXAGON_CPU_H */
|
