1 
2 /* Main header for the Vitesse IQ2000.  */
3 
4 #ifndef SIM_MAIN_H
5 #define SIM_MAIN_H
6 
7 /* sim-basics.h includes config.h but cgen-types.h must be included before
8    sim-basics.h and cgen-types.h needs config.h.  */
9 #include "config.h"
10 
11 /* This is a global setting.  Different cpu families can't mix-n-match -scache
12    and -pbb.  However some cpu families may use -simple while others use
13    one of -scache/-pbb. ???? */
14 #define WITH_SCACHE_PBB 1
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 #include "sim-base.h"
27 #include "cgen-sim.h"
28 
29 /* The _sim_cpu struct.  */
30 
31 struct _sim_cpu {
32   /* sim/common cpu base.  */
33   sim_cpu_base base;
34 
35   /* Static parts of cgen.  */
36   CGEN_CPU cgen_cpu;
37 
38   /* CPU specific parts go here.
39      Note that in files that don't need to access these pieces WANT_CPU_FOO
40      won't be defined and thus these parts won't appear.  This is ok in the
41      sense that things work.  It is a source of bugs though.
42      One has to of course be careful to not take the size of this
43      struct and no structure members accessed in non-cpu specific files can
44      go after here.  Oh for a better language.  */
45 #if defined (WANT_CPU_IQ2000BF)
46   IQ2000BF_CPU_DATA cpu_data;
47 #endif
48 };
49 
50 /* The sim_state struct.  */
51 
52 struct sim_state {
53   sim_cpu *cpu[MAX_NR_PROCESSORS];
54 
55   CGEN_STATE cgen_state;
56 
57   sim_state_base base;
58 };
59 
60 /* Misc.  */
61 
62 /* Catch address exceptions.  */
63 extern SIM_CORE_SIGNAL_FN iq2000_core_signal;
64 #define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
65 iq2000_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
66 		  (TRANSFER), (ERROR))
67 
68 /* Convert between CPU-internal addresses and sim_core addresses.  */
69 #define CPU2DATA(addr) (IQ2000_DATA_VALUE + (addr))
70 #define DATA2CPU(addr) ((addr) - IQ2000_DATA_VALUE)
71 #define CPU2INSN(addr) (IQ2000_INSN_VALUE + ((addr) & ~IQ2000_INSN_MASK))
72 #define INSN2CPU(addr) ((addr) - IQ2000_INSN_VALUE)
73 #define IQ2000_INSN_MEM_SIZE (CPU2INSN(0x800000) - CPU2INSN(0x0000))
74 #define IQ2000_DATA_MEM_SIZE (CPU2DATA(0x800000) - CPU2DATA(0x0000))
75 
76 #endif /* SIM_MAIN_H */
77