sim/iq2000/sim-main.h

   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 \f
  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 \f
  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 \f
  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 */