1
2/* Main header for the Vitesse IQ2000.  */
3
4#ifndef SIM_MAIN_H
5#define SIM_MAIN_H
6
7#define USING_SIM_BASE_H /* FIXME: quick hack */
8
9struct _sim_cpu; /* FIXME: should be in sim-basics.h */
10typedef struct _sim_cpu SIM_CPU;
11
12/* sim-basics.h includes config.h but cgen-types.h must be included before
13   sim-basics.h and cgen-types.h needs config.h.  */
14#include "config.h"
15
16#include "symcat.h"
17#include "sim-basics.h"
18#include "cgen-types.h"
19#include "iq2000-desc.h"
20#include "iq2000-opc.h"
21#include "arch.h"
22
23/* Pull in IQ2000_{DATA,INSN}_{MASK,VALUE}.  */
24#include "elf/iq2000.h"
25
26/* These must be defined before sim-base.h.  */
27typedef USI sim_cia;
28
29#define CIA_GET(cpu)     CPU_PC_GET (cpu)
30#define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
31
32#include "sim-base.h"
33#include "cgen-sim.h"
34#include "iq2000-sim.h"
35
36/* The _sim_cpu struct.  */
37
38struct _sim_cpu {
39  /* sim/common cpu base.  */
40  sim_cpu_base base;
41
42  /* Static parts of cgen.  */
43  CGEN_CPU cgen_cpu;
44
45  /* CPU specific parts go here.
46     Note that in files that don't need to access these pieces WANT_CPU_FOO
47     won't be defined and thus these parts won't appear.  This is ok in the
48     sense that things work.  It is a source of bugs though.
49     One has to of course be careful to not take the size of this
50     struct and no structure members accessed in non-cpu specific files can
51     go after here.  Oh for a better language.  */
52#if defined (WANT_CPU_IQ2000BF)
53  IQ2000BF_CPU_DATA cpu_data;
54#endif
55};
56
57/* The sim_state struct.  */
58
59struct sim_state {
60  sim_cpu *cpu;
61#define STATE_CPU(sd, n) (/*&*/ (sd)->cpu)
62
63  CGEN_STATE cgen_state;
64
65  sim_state_base base;
66};
67
68/* Misc.  */
69
70/* Catch address exceptions.  */
71extern SIM_CORE_SIGNAL_FN iq2000_core_signal;
72#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
73iq2000_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
74		  (TRANSFER), (ERROR))
75
76/* Convert between CPU-internal addresses and sim_core addresses.  */
77#define CPU2DATA(addr) (IQ2000_DATA_VALUE + (addr))
78#define DATA2CPU(addr) ((addr) - IQ2000_DATA_VALUE)
79#define CPU2INSN(addr) (IQ2000_INSN_VALUE + ((addr) & ~IQ2000_INSN_MASK))
80#define INSN2CPU(addr) ((addr) - IQ2000_INSN_VALUE)
81#define IQ2000_INSN_MEM_SIZE (CPU2INSN(0x800000) - CPU2INSN(0x0000))
82#define IQ2000_DATA_MEM_SIZE (CPU2DATA(0x800000) - CPU2DATA(0x0000))
83
84#endif /* SIM_MAIN_H */
85