symbian-qemu-0.9.1-12/qemu-symbian-svp/cpu-defs.h
author martin.trojer@nokia.com
Fri, 31 Jul 2009 15:01:17 +0100
changeset 1 2fb8b9db1c86
permissions -rw-r--r--
Initial QEMU (symbian-qemu-0.9.1-12) import
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/*
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 * common defines for all CPUs
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 *
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 * Copyright (c) 2003 Fabrice Bellard
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library 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 GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; 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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 */
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#ifndef CPU_DEFS_H
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#define CPU_DEFS_H
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#ifndef NEED_CPU_H
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#error cpu.h included from common code
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#endif
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#include "config.h"
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#include <setjmp.h>
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#include <inttypes.h>
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#include "osdep.h"
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#include "sys-queue.h"
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#ifndef TARGET_LONG_BITS
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#error TARGET_LONG_BITS must be defined before including this header
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#endif
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#ifndef TARGET_PHYS_ADDR_BITS
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#if TARGET_LONG_BITS >= HOST_LONG_BITS
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#define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS
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#else
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#define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS
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#endif
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#endif
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#define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
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/* target_ulong is the type of a virtual address */
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#if TARGET_LONG_SIZE == 4
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typedef int32_t target_long;
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typedef uint32_t target_ulong;
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#define TARGET_FMT_lx "%08x"
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#define TARGET_FMT_ld "%d"
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#define TARGET_FMT_lu "%u"
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#elif TARGET_LONG_SIZE == 8
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typedef int64_t target_long;
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typedef uint64_t target_ulong;
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#define TARGET_FMT_lx "%016" PRIx64
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#define TARGET_FMT_ld "%" PRId64
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#define TARGET_FMT_lu "%" PRIu64
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#else
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#error TARGET_LONG_SIZE undefined
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#endif
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/* target_phys_addr_t is the type of a physical address (its size can
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   be different from 'target_ulong'). We have sizeof(target_phys_addr)
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   = max(sizeof(unsigned long),
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   sizeof(size_of_target_physical_address)) because we must pass a
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   host pointer to memory operations in some cases */
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#if TARGET_PHYS_ADDR_BITS == 32
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typedef uint32_t target_phys_addr_t;
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#define TARGET_FMT_plx "%08x"
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#elif TARGET_PHYS_ADDR_BITS == 64
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typedef uint64_t target_phys_addr_t;
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#define TARGET_FMT_plx "%016" PRIx64
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#else
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#error TARGET_PHYS_ADDR_BITS undefined
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#endif
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#define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
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#define EXCP_INTERRUPT 	0x10000 /* async interruption */
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#define EXCP_HLT        0x10001 /* hlt instruction reached */
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#define EXCP_DEBUG      0x10002 /* cpu stopped after a breakpoint or singlestep */
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#define EXCP_HALTED     0x10003 /* cpu is halted (waiting for external event) */
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#define TB_JMP_CACHE_BITS 12
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#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
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/* Only the bottom TB_JMP_PAGE_BITS of the jump cache hash bits vary for
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   addresses on the same page.  The top bits are the same.  This allows
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   TLB invalidation to quickly clear a subset of the hash table.  */
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#define TB_JMP_PAGE_BITS (TB_JMP_CACHE_BITS / 2)
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#define TB_JMP_PAGE_SIZE (1 << TB_JMP_PAGE_BITS)
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#define TB_JMP_ADDR_MASK (TB_JMP_PAGE_SIZE - 1)
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#define TB_JMP_PAGE_MASK (TB_JMP_CACHE_SIZE - TB_JMP_PAGE_SIZE)
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#define CPU_TLB_BITS 8
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#define CPU_TLB_SIZE (1 << CPU_TLB_BITS)
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#if TARGET_PHYS_ADDR_BITS == 32 && TARGET_LONG_BITS == 32
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#define CPU_TLB_ENTRY_BITS 4
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#else
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#define CPU_TLB_ENTRY_BITS 5
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#endif
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typedef struct CPUTLBEntry {
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    /* bit TARGET_LONG_BITS to TARGET_PAGE_BITS : virtual address
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       bit TARGET_PAGE_BITS-1..4  : Nonzero for accesses that should not
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                                    go directly to ram.
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       bit 3                      : indicates that the entry is invalid
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       bit 2..0                   : zero
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    */
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    target_ulong addr_read;
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    target_ulong addr_write;
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    target_ulong addr_code;
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    /* Addend to virtual address to get physical address.  IO accesses
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   118
       use the corresponding iotlb value.  */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   119
#if TARGET_PHYS_ADDR_BITS == 64
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   120
    /* on i386 Linux make sure it is aligned */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   121
    target_phys_addr_t addend __attribute__((aligned(8)));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   122
#else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   123
    target_phys_addr_t addend;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   124
#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   125
    /* padding to get a power of two size */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   126
    uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) - 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   127
                  (sizeof(target_ulong) * 3 + 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   128
                   ((-sizeof(target_ulong) * 3) & (sizeof(target_phys_addr_t) - 1)) + 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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   129
                   sizeof(target_phys_addr_t))];
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   130
} CPUTLBEntry;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   131
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   132
#ifdef WORDS_BIGENDIAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   133
typedef struct icount_decr_u16 {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   134
    uint16_t high;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   135
    uint16_t low;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   136
} icount_decr_u16;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   137
#else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   138
typedef struct icount_decr_u16 {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   139
    uint16_t low;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   140
    uint16_t high;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   141
} icount_decr_u16;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   142
#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   143
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   144
struct kvm_run;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   145
struct KVMState;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   146
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   147
typedef struct CPUBreakpoint {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   148
    target_ulong pc;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   149
    int flags; /* BP_* */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   150
    TAILQ_ENTRY(CPUBreakpoint) entry;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   151
} CPUBreakpoint;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   152
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   153
typedef struct CPUWatchpoint {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   154
    target_ulong vaddr;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   155
    target_ulong len_mask;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   156
    int flags; /* BP_* */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   157
    TAILQ_ENTRY(CPUWatchpoint) entry;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   158
} CPUWatchpoint;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   159
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   160
#define CPU_TEMP_BUF_NLONGS 128
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   161
#define CPU_COMMON                                                      \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   162
    struct TranslationBlock *current_tb; /* currently executing TB  */  \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   163
    /* soft mmu support */                                              \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   164
    /* in order to avoid passing too many arguments to the MMIO         \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   165
       helpers, we store some rarely used information in the CPU        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   166
       context) */                                                      \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   167
    unsigned long mem_io_pc; /* host pc at which the memory was         \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   168
                                accessed */                             \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   169
    target_ulong mem_io_vaddr; /* target virtual addr at which the      \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   170
                                     memory was accessed */             \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   171
    uint32_t halted; /* Nonzero if the CPU is in suspend state */       \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   172
    uint32_t interrupt_request;                                         \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   173
    /* The meaning of the MMU modes is defined in the target code. */   \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   174
    CPUTLBEntry tlb_table[NB_MMU_MODES][CPU_TLB_SIZE];                  \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   175
    target_phys_addr_t iotlb[NB_MMU_MODES][CPU_TLB_SIZE];               \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   176
    struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE];           \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   177
    /* buffer for temporaries in the code generator */                  \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   178
    long temp_buf[CPU_TEMP_BUF_NLONGS];                                 \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   179
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   180
    int64_t icount_extra; /* Instructions until next timer event.  */   \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   181
    /* Number of cycles left, with interrupt flag in high bit.          \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   182
       This allows a single read-compare-cbranch-write sequence to test \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   183
       for both decrementer underflow and exceptions.  */               \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   184
    union {                                                             \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   185
        uint32_t u32;                                                   \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   186
        icount_decr_u16 u16;                                            \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   187
    } icount_decr;                                                      \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   188
    uint32_t can_do_io; /* nonzero if memory mapped IO is safe.  */     \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   189
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   190
    /* from this point: preserved by CPU reset */                       \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   191
    /* ice debug support */                                             \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   192
    TAILQ_HEAD(breakpoints_head, CPUBreakpoint) breakpoints;            \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   193
    int singlestep_enabled;                                             \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   194
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   195
    TAILQ_HEAD(watchpoints_head, CPUWatchpoint) watchpoints;            \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   196
    CPUWatchpoint *watchpoint_hit;                                      \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   197
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   198
    struct GDBRegisterState *gdb_regs;                                  \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   199
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   200
    /* Core interrupt code */                                           \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   201
    jmp_buf jmp_env;                                                    \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   202
    int exception_index;                                                \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   203
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   204
    int user_mode_only;                                                 \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   205
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   206
    void *next_cpu; /* next CPU sharing TB cache */                     \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   207
    int cpu_index; /* CPU index (informative) */                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   208
    int running; /* Nonzero if cpu is currently running(usermode).  */  \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   209
    /* user data */                                                     \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   210
    void *opaque;                                                       \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   211
    void *qdev;                                                         \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   212
                                                                        \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   213
    const char *cpu_model_str;                                          \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   214
    struct KVMState *kvm_state;                                         \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   215
    struct kvm_run *kvm_run;                                            \
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   216
    int kvm_fd;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   217
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   218
#endif