xref: /netbsd-src/external/gpl3/gdb/dist/sim/iq2000/sim-main.h (revision 7788a0781fe6ff2cce37368b4578a7ade0850cb1)
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 
9 struct _sim_cpu; /* FIXME: should be in sim-basics.h */
10 typedef 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.  */
27 typedef 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 
38 struct _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 
59 struct 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.  */
71 extern SIM_CORE_SIGNAL_FN iq2000_core_signal;
72 #define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
73 iq2000_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