sim/sparc/sim-main.h

   1 /* Main header for sparc.  */
   2
   3 #ifndef SIM_MAIN_H
   4 #define SIM_MAIN_H
   5
   6 #define USING_SIM_BASE_H /* FIXME: quick hack */
   7
   8 /* FIXME: For now always provide sparc32 support.  */
   9 #define HAVE_SPARC32
  10 #undef HAVE_SPARC64 /* FIXME:wip */
  11
  12 /* ??? May eventually want this model (and perhaps runtime) selectable.  */
  13 #define NWINDOWS 8
  14
  15 struct _sim_cpu; /* FIXME: should be in sim-basics.h */
  16 typedef struct _sim_cpu SIM_CPU;
  17
  18 #include "symcat.h"
  19 #include "sim-basics.h"
  20 #include "cgen-types.h"
  21 #include "cpu-opc.h"
  22 #include "arch.h"
  23
  24 /* These must be defined before sim-base.h.  */
  25 typedef USI sim_cia;
  26 typedef int SEMRES;
  27
  28 #define CIA_GET(cpu)     CPU_PC_GET (cpu)
  29 #define CIA_SET(cpu,val) CPU_PC_SET ((cpu), (val))
  30
  31 #define SIM_ENGINE_HALT_HOOK(sd, cpu, cia) \
  32 do { \
  33   if (cpu) /* null if ctrl-c */ \
  34     sim_pc_set ((cpu), (cia)); \
  35 } while (0)
  36 #define SIM_ENGINE_RESTART_HOOK(sd, cpu, cia) \
  37 do { \
  38   sim_pc_set ((cpu), (cia)); \
  39 } while (0)
  40
  41 #include "sim-base.h"
  42 #include "cgen-sim.h"
  43
  44 #ifdef WANT_CPU
  45 #include "cpu-sim.h"
  46 #endif
  47 #if defined (WANT_CPU_SPARC32)
  48 #include "regs32.h"
  49 #include "trap32.h"
  50 #elif defined (WANT_CPU_SPARC64)
  51 #include "regs64.h"
  52 #include "trap64.h"
  53 #endif
  54 \f
  55 /* The sim_cpu struct.  */
  56
  57 struct _sim_cpu {
  58   /* sim/common cpu base.  */
  59   sim_cpu_base base;
  60
  61   /* Static parts of cgen.  */
  62   CGEN_CPU cgen_cpu;
  63
  64   /* CPU specific parts go here.
  65      Note that in files that don't need to access these pieces WANT_CPU_FOO
  66      won't be defined and thus these parts won't appear.  This is ok in the
  67      sense that things work.  It is a source of bugs though.
  68      One has to of course be careful to not take the size of this
  69      struct and no structure members accessed in non-cpu specific files can
  70      go after here.  Oh for a better language.  */
  71
  72 #if defined (WANT_CPU_SPARC32)
  73
  74   /* Machine generated registers.  */
  75   SPARC32_CPU_DATA cpu_data;
  76 #if 0
  77   /* Working variables for generating profiling information.  */
  78   SPARC32_CPU_PROFILE cpu_profile;
  79 #endif
  80   /* Actual values of the window regs.  */
  81   SI win_regs[NWINDOWS][16];
  82   /* g0-g7, normal and alternate
  83      ??? handling the alternate regs still wip, need REAL_GREGS to dtrt.  */
  84   SI global_regs[2][8];
  85   /* Working copies of integer regs, swapped in/out on each window change.
  86      ??? Doing things this way means the .cpu file needn't mark these as
  87      virtual.  */
  88   SI current_regs[32];
  89
  90 #elif defined (WANT_CPU_SPARC64)
  91
  92   /* Machine generated registers.  */
  93   SPARC64_CPU_DATA cpu_data;
  94 #if 0
  95   /* Working variables for generating profiling information.  */
  96   SPARC64_CPU_PROFILE cpu_profile;
  97 #endif
  98   /* Actual values of the window regs.  */
  99   DI win_regs[NWINDOWS][16];
 100   /* g0-g7, normal and alternate */
 101   DI global_regs[2][8];
 102   /* Working copies of integer regs, swapped in/out on each window change.
 103      ??? Doing things this way means .cpu file needn't mark these as
 104      virtual.  */
 105   DI current_regs[32];
 106
 107 #endif
 108 };
 109
 110 #define ARCH32_P(cpu) 1 /*FIXME*/
 111 #define ARCH64_P(cpu) (! ARCH32_P (cpu))
 112 \f
 113 /* The sim_state struct.  */
 114
 115 struct sim_state {
 116   sim_cpu *cpu;
 117 #define STATE_CPU(sd, n) (/*&*/ (sd)->cpu)
 118
 119   CGEN_STATE cgen_state;
 120
 121   sim_state_base base;
 122 };
 123 \f
 124 /* Misc.  */
 125
 126 /* Catch address exceptions.  */
 127 extern SIM_CORE_SIGNAL_FN sparc_core_signal;
 128 #define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
 129 sparc_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), \
 130                    (TRANSFER), (ERROR))
 131
 132 /* Default memory size.  */
 133 #define SPARC_DEFAULT_MEM_SIZE 0x800000 /* 8M */
 134
 135 #endif /* SIM_MAIN_H */