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git.proxmox.com Git - qemu.git/blob - cpu-defs.h
59a0c0f32e194437d0b825108c3967009fe74fd0
2 * common defines for all CPUs
4 * Copyright (c) 2003 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #ifndef TARGET_LONG_BITS
29 #error TARGET_LONG_BITS must be defined before including this header
32 #define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
34 #if TARGET_LONG_SIZE == 4
35 typedef int32_t target_long
;
36 typedef uint32_t target_ulong
;
37 #elif TARGET_LONG_SIZE == 8
38 typedef int64_t target_long
;
39 typedef uint64_t target_ulong
;
41 #error TARGET_LONG_SIZE undefined
44 #define EXCP_INTERRUPT 256 /* async interruption */
45 #define EXCP_HLT 257 /* hlt instruction reached */
46 #define EXCP_DEBUG 258 /* cpu stopped after a breakpoint or singlestep */
48 #define MAX_BREAKPOINTS 32
50 #define CPU_TLB_SIZE 256
52 typedef struct CPUTLBEntry
{
53 /* bit 31 to TARGET_PAGE_BITS : virtual address
54 bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
56 bit 3 : indicates that the entry is invalid
60 /* addend to virtual address to get physical address */