New simulator for Fujitsu frv contributed by Red Hat.

1 files changed, 59 insertions, 0 deletions

diff --git a/sim/frv/registers.h b/sim/frv/registers.h
new file mode 100644
index 0000000..dba4d96
--- /dev/null
+++ b/sim/frv/registers.h
@@ -0,0 +1,59 @@
+/* Register definitions for the FRV simulator
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   Contributed by Red Hat.
+
+This file is part of the GNU Simulators.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef REGISTERS_H
+#define REGISTERS_H
+
+#define FRV_MAX_GR  64
+#define FRV_MAX_FR  64
+#define FRV_MAX_CPR 64
+#define FRV_MAX_SPR 4096
+
+/* Register init, reset values and read_only masks.  */
+typedef struct
+{
+  USI init_value;     /* initial value */
+  USI reset_value;    /* value for software reset */
+  USI reset_mask;     /* bits which are reset */
+  USI read_only_mask; /* bits which are read-only */
+  char implemented;   /* 1==register is implemented */
+  char supervisor;    /* 1==register is supervisor-only */
+} FRV_SPR_CONTROL_INFO;
+
+typedef struct
+{
+  int fr;                    /* FR registers implemented */
+  int cpr;                   /* coprocessor registers implemented */
+  FRV_SPR_CONTROL_INFO *spr; /* SPR implementation details */
+} FRV_REGISTER_CONTROL;
+
+void frv_register_control_init (SIM_CPU *);
+void frv_initialize_spr (SIM_CPU *);
+void frv_reset_spr (SIM_CPU *);
+
+void frv_check_spr_access (SIM_CPU *, UINT);
+
+void frv_fr_registers_available (SIM_CPU *, int *, int *);
+void frv_gr_registers_available (SIM_CPU *, int *, int *);
+int  frv_check_register_access (SIM_CPU *, SI, int, int);
+int  frv_check_gr_access (SIM_CPU *, SI);
+int  frv_check_fr_access (SIM_CPU *, SI);
+
+#endif /* REGISTERS_H */