mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 12:09:58 +00:00
ab6d960ffa
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@756 c046a42c-6fe2-441c-8c8c-71466251a162
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*
|
|
* common defines for all CPUs
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
#ifndef CPU_DEFS_H
|
|
#define CPU_DEFS_H
|
|
|
|
#include "config.h"
|
|
#include <setjmp.h>
|
|
#include <inttypes.h>
|
|
#include "osdep.h"
|
|
|
|
#ifndef TARGET_LONG_BITS
|
|
#error TARGET_LONG_BITS must be defined before including this header
|
|
#endif
|
|
|
|
#ifndef TARGET_PHYS_ADDR_BITS
|
|
#define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS
|
|
#endif
|
|
|
|
#define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
|
|
|
|
/* target_ulong is the type of a virtual address */
|
|
#if TARGET_LONG_SIZE == 4
|
|
typedef int32_t target_long;
|
|
typedef uint32_t target_ulong;
|
|
#elif TARGET_LONG_SIZE == 8
|
|
typedef int64_t target_long;
|
|
typedef uint64_t target_ulong;
|
|
#else
|
|
#error TARGET_LONG_SIZE undefined
|
|
#endif
|
|
|
|
/* target_phys_addr_t is the type of a physical address (its size can
|
|
be different from 'target_ulong') */
|
|
#if TARGET_PHYS_ADDR_BITS == 32
|
|
typedef uint32_t target_phys_addr_t;
|
|
#elif TARGET_PHYS_ADDR_BITS == 64
|
|
typedef uint64_t target_phys_addr_t;
|
|
#else
|
|
#error TARGET_PHYS_ADDR_BITS undefined
|
|
#endif
|
|
|
|
#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
|
|
#define HOST_LONG_BITS 64
|
|
#else
|
|
#define HOST_LONG_BITS 32
|
|
#endif
|
|
|
|
#define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
|
|
|
|
#define EXCP_INTERRUPT 256 /* async interruption */
|
|
#define EXCP_HLT 257 /* hlt instruction reached */
|
|
#define EXCP_DEBUG 258 /* cpu stopped after a breakpoint or singlestep */
|
|
|
|
#define MAX_BREAKPOINTS 32
|
|
|
|
#define CPU_TLB_SIZE 256
|
|
|
|
typedef struct CPUTLBEntry {
|
|
/* bit 31 to TARGET_PAGE_BITS : virtual address
|
|
bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
|
|
zone number
|
|
bit 3 : indicates that the entry is invalid
|
|
bit 2..0 : zero
|
|
*/
|
|
uint32_t address;
|
|
/* addend to virtual address to get physical address */
|
|
uint32_t addend;
|
|
} CPUTLBEntry;
|
|
|
|
#endif
|