ia64/xen-unstable

view tools/ioemu/cpu-defs.h @ 8740:3d7ea7972b39

Update patches for linux 2.6.15.

Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
author cl349@firebug.cl.cam.ac.uk
date Thu Feb 02 17:16:00 2006 +0000 (2006-02-02)
parents 8e5fc5fe636c
children f7b43e5c42b9
line source
1 /*
2 * common defines for all CPUs
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
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.
10 *
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.
15 *
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
19 */
20 #ifndef CPU_DEFS_H
21 #define CPU_DEFS_H
23 #include "config.h"
24 #include <setjmp.h>
25 #include <inttypes.h>
26 #include "osdep.h"
28 #ifndef TARGET_LONG_BITS
29 #error TARGET_LONG_BITS must be defined before including this header
30 #endif
32 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
33 #define HOST_LONG_BITS 64
34 #else
35 #define HOST_LONG_BITS 32
36 #endif
38 #ifndef TARGET_PHYS_ADDR_BITS
39 #if TARGET_LONG_BITS >= HOST_LONG_BITS
40 #define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS
41 #else
42 #define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS
43 #endif
44 #endif
46 #define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
48 /* target_ulong is the type of a virtual address */
49 #if TARGET_LONG_SIZE == 4
50 typedef int32_t target_long;
51 typedef uint32_t target_ulong;
52 #elif TARGET_LONG_SIZE == 8
53 typedef int64_t target_long;
54 typedef uint64_t target_ulong;
55 #else
56 #error TARGET_LONG_SIZE undefined
57 #endif
59 /* target_phys_addr_t is the type of a physical address (its size can
60 be different from 'target_ulong'). We have sizeof(target_phys_addr)
61 = max(sizeof(unsigned long),
62 sizeof(size_of_target_physical_address)) because we must pass a
63 host pointer to memory operations in some cases */
65 #if TARGET_PHYS_ADDR_BITS == 32
66 typedef uint32_t target_phys_addr_t;
67 #elif TARGET_PHYS_ADDR_BITS == 64
68 typedef uint64_t target_phys_addr_t;
69 #else
70 #error TARGET_PHYS_ADDR_BITS undefined
71 #endif
73 #define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
75 #define EXCP_INTERRUPT 256 /* async interruption */
76 #define EXCP_HLT 257 /* hlt instruction reached */
77 #define EXCP_DEBUG 258 /* cpu stopped after a breakpoint or singlestep */
79 #define MAX_BREAKPOINTS 32
81 #define CPU_TLB_SIZE 256
83 typedef struct CPUTLBEntry {
84 /* bit 31 to TARGET_PAGE_BITS : virtual address
85 bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
86 zone number
87 bit 3 : indicates that the entry is invalid
88 bit 2..0 : zero
89 */
90 target_ulong address;
91 /* addend to virtual address to get physical address */
92 target_phys_addr_t addend;
93 } CPUTLBEntry;
95 #endif