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
|
/* Main header for the Vitesse IQ2000. */
#ifndef SIM_MAIN_H
#define SIM_MAIN_H
#define USING_SIM_BASE_H /* FIXME: quick hack */
struct _sim_cpu; /* FIXME: should be in sim-basics.h */
typedef struct _sim_cpu SIM_CPU;
/* sim-basics.h includes config.h but cgen-types.h must be included before
sim-basics.h and cgen-types.h needs config.h. */
#include "config.h"
#include "symcat.h"
#include "sim-basics.h"
#include "cgen-types.h"
#include "iq2000-desc.h"
#include "iq2000-opc.h"
#include "arch.h"
/* Pull in IQ2000_{DATA,INSN}_{MASK,VALUE}. */
#include "elf/iq2000.h"
/* These must be defined before sim-base.h. */
typedef USI sim_cia;
#define CIA_GET(cpu) CPU_PC_GET (cpu)
#define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
#include "sim-base.h"
#include "cgen-sim.h"
#include "iq2000-sim.h"
/* The _sim_cpu struct. */
struct _sim_cpu {
/* sim/common cpu base. */
sim_cpu_base base;
/* Static parts of cgen. */
CGEN_CPU cgen_cpu;
/* CPU specific parts go here.
Note that in files that don't need to access these pieces WANT_CPU_FOO
won't be defined and thus these parts won't appear. This is ok in the
sense that things work. It is a source of bugs though.
One has to of course be careful to not take the size of this
struct and no structure members accessed in non-cpu specific files can
go after here. Oh for a better language. */
#if defined (WANT_CPU_IQ2000BF)
IQ2000BF_CPU_DATA cpu_data;
#endif
};
/* The sim_state struct. */
struct sim_state {
sim_cpu *cpu[MAX_NR_PROCESSORS];
CGEN_STATE cgen_state;
sim_state_base base;
};
/* Misc. */
/* Catch address exceptions. */
extern SIM_CORE_SIGNAL_FN iq2000_core_signal;
#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
iq2000_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
(TRANSFER), (ERROR))
/* Convert between CPU-internal addresses and sim_core addresses. */
#define CPU2DATA(addr) (IQ2000_DATA_VALUE + (addr))
#define DATA2CPU(addr) ((addr) - IQ2000_DATA_VALUE)
#define CPU2INSN(addr) (IQ2000_INSN_VALUE + ((addr) & ~IQ2000_INSN_MASK))
#define INSN2CPU(addr) ((addr) - IQ2000_INSN_VALUE)
#define IQ2000_INSN_MEM_SIZE (CPU2INSN(0x800000) - CPU2INSN(0x0000))
#define IQ2000_DATA_MEM_SIZE (CPU2DATA(0x800000) - CPU2DATA(0x0000))
#endif /* SIM_MAIN_H */
|
