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 #ifndef TARGET_PHYS_ADDR_BITS
33 #if TARGET_LONG_BITS >= HOST_LONG_BITS
34 #define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS
36 #define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS
40 #define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
42 /* target_ulong is the type of a virtual address */
43 #if TARGET_LONG_SIZE == 4
44 typedef int32_t target_long
;
45 typedef uint32_t target_ulong
;
46 #define TARGET_FMT_lx "%08x"
47 #elif TARGET_LONG_SIZE == 8
48 typedef int64_t target_long
;
49 typedef uint64_t target_ulong
;
50 #define TARGET_FMT_lx "%016llx"
52 #error TARGET_LONG_SIZE undefined
55 /* target_phys_addr_t is the type of a physical address (its size can
56 be different from 'target_ulong'). We have sizeof(target_phys_addr)
57 = max(sizeof(unsigned long),
58 sizeof(size_of_target_physical_address)) because we must pass a
59 host pointer to memory operations in some cases */
61 #if TARGET_PHYS_ADDR_BITS == 32
62 typedef uint32_t target_phys_addr_t
;
63 #elif TARGET_PHYS_ADDR_BITS == 64
64 typedef uint64_t target_phys_addr_t
;
66 #error TARGET_PHYS_ADDR_BITS undefined
69 /* address in the RAM (different from a physical address) */
70 typedef unsigned long ram_addr_t
;
72 #define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
74 #define EXCP_INTERRUPT 0x10000 /* async interruption */
75 #define EXCP_HLT 0x10001 /* hlt instruction reached */
76 #define EXCP_DEBUG 0x10002 /* cpu stopped after a breakpoint or singlestep */
78 #define MAX_BREAKPOINTS 32
80 #define CPU_TLB_SIZE 256
82 typedef struct CPUTLBEntry
{
83 /* bit 31 to TARGET_PAGE_BITS : virtual address
84 bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
86 bit 3 : indicates that the entry is invalid
90 /* addend to virtual address to get physical address */
91 target_phys_addr_t addend
;