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markom |
/* This file defines the interface between the d10v simulator and gdb.
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Copyright 1999 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#if !defined (SIM_D10V_H)
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#define SIM_D10V_H
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#ifdef __cplusplus
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extern "C" { // }
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#endif
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/* GDB interprets addresses as:
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0x00xxxxxx: Physical unified memory segment (Unified memory)
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0x01xxxxxx: Physical instruction memory segment (On-chip insn memory)
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0x02xxxxxx: Physical data memory segment (On-chip data memory)
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0x10xxxxxx: Logical data address segment (DMAP translated memory)
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0x11xxxxxx: Logical instruction address segment (IMAP translated memory)
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The remote d10v board interprets addresses as:
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0x00xxxxxx: Physical unified memory segment (Unified memory)
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0x01xxxxxx: Physical instruction memory segment (On-chip insn memory)
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0x02xxxxxx: Physical data memory segment (On-chip data memory)
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The following translate a virtual DMAP/IMAP offset into a physical
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memory segment assigning the translated address to PHYS. Since a
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memory access may cross a page boundrary the number of bytes for
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which the translation is applicable (or 0 for an invalid virtual
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offset) is returned. */
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enum
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{
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SIM_D10V_MEMORY_UNIFIED = 0x00000000,
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SIM_D10V_MEMORY_INSN = 0x01000000,
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SIM_D10V_MEMORY_DATA = 0x02000000,
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SIM_D10V_MEMORY_DMAP = 0x10000000,
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SIM_D10V_MEMORY_IMAP = 0x11000000
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};
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extern unsigned long sim_d10v_translate_dmap_addr
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(unsigned long offset,
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int nr_bytes,
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unsigned long *phys,
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unsigned long (*dmap_register) (int reg_nr));
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extern unsigned long sim_d10v_translate_imap_addr
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(unsigned long offset,
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int nr_bytes,
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unsigned long *phys,
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unsigned long (*imap_register) (int reg_nr));
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extern unsigned long sim_d10v_translate_addr
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(unsigned long vaddr,
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int nr_bytes,
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unsigned long *phys,
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unsigned long (*dmap_register) (int reg_nr),
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unsigned long (*imap_register) (int reg_nr));
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/* The simulator makes use of the following register information. */
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enum
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{
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SIM_D10V_R0_REGNUM = 0,
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SIM_D10V_CR0_REGNUM = 16,
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SIM_D10V_A0_REGNUM = 32,
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SIM_D10V_SPI_REGNUM = 34,
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SIM_D10V_SPU_REGNUM = 35,
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SIM_D10V_IMAP0_REGNUM = 36,
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SIM_D10V_DMAP0_REGNUM = 38,
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SIM_D10V_TS2_DMAP_REGNUM = 40
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};
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enum
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{
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SIM_D10V_NR_R_REGS = 16,
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SIM_D10V_NR_A_REGS = 2,
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SIM_D10V_NR_IMAP_REGS = 2,
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SIM_D10V_NR_DMAP_REGS = 4,
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SIM_D10V_NR_CR_REGS = 16
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};
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#ifdef __cplusplus
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}
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#endif
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#endif
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