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/* This file defines the interface between the d10v simulator and gdb.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of GDB.
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 of the License, 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. */
#if !defined (SIM_D10V_H)
#define SIM_D10V_H
#ifdef __cplusplus
extern "C" { // }
#endif
/* GDB interprets addresses as:
0x00xxxxxx: Physical unified memory segment (Unified memory)
0x01xxxxxx: Physical instruction memory segment (On-chip insn memory)
0x02xxxxxx: Physical data memory segment (On-chip data memory)
0x10xxxxxx: Logical data address segment (DMAP translated memory)
0x11xxxxxx: Logical instruction address segment (IMAP translated memory)
The remote d10v board interprets addresses as:
0x00xxxxxx: Physical unified memory segment (Unified memory)
0x01xxxxxx: Physical instruction memory segment (On-chip insn memory)
0x02xxxxxx: Physical data memory segment (On-chip data memory)
The following translate a virtual DMAP/IMAP offset into a physical
memory segment assigning the translated address to PHYS. Since a
memory access may cross a page boundrary the number of bytes for
which the translation is applicable (or 0 for an invalid virtual
offset) is returned. */
enum
{
SIM_D10V_MEMORY_UNIFIED = 0x00000000,
SIM_D10V_MEMORY_INSN = 0x01000000,
SIM_D10V_MEMORY_DATA = 0x02000000,
SIM_D10V_MEMORY_DMAP = 0x10000000,
SIM_D10V_MEMORY_IMAP = 0x11000000
};
extern unsigned long sim_d10v_translate_dmap_addr
(unsigned long offset,
int nr_bytes,
unsigned long *phys,
unsigned long (*dmap_register) (int reg_nr));
extern unsigned long sim_d10v_translate_imap_addr
(unsigned long offset,
int nr_bytes,
unsigned long *phys,
unsigned long (*imap_register) (int reg_nr));
extern unsigned long sim_d10v_translate_addr
(unsigned long vaddr,
int nr_bytes,
unsigned long *phys,
unsigned long (*dmap_register) (int reg_nr),
unsigned long (*imap_register) (int reg_nr));
/* The simulator makes use of the following register information. */
enum
{
SIM_D10V_R0_REGNUM = 0,
SIM_D10V_CR0_REGNUM = 16,
SIM_D10V_A0_REGNUM = 32,
SIM_D10V_SPI_REGNUM = 34,
SIM_D10V_SPU_REGNUM = 35,
SIM_D10V_IMAP0_REGNUM = 36,
SIM_D10V_DMAP0_REGNUM = 38,
SIM_D10V_TS2_DMAP_REGNUM = 40
};
enum
{
SIM_D10V_NR_R_REGS = 16,
SIM_D10V_NR_A_REGS = 2,
SIM_D10V_NR_IMAP_REGS = 2,
SIM_D10V_NR_DMAP_REGS = 4,
SIM_D10V_NR_CR_REGS = 16
};
#ifdef __cplusplus
}
#endif
#endif
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