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      1 /* Copyright (C) 2007-2009 The Android Open Source Project
      2 **
      3 ** This software is licensed under the terms of the GNU General Public
      4 ** License version 2, as published by the Free Software Foundation, and
      5 ** may be copied, distributed, and modified under those terms.
      6 **
      7 ** This program is distributed in the hope that it will be useful,
      8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
      9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     10 ** GNU General Public License for more details.
     11 */
     12 
     13 /*
     14  * Contains SOFTMMU macros expansion for ldx_user and stx_user routines used
     15  * outside of JIT. The issue is that regular implementation of these routines
     16  * assumes that pointer to CPU environment is stored in ebp register, which
     17  * is true for calls made inside JIT, but is not necessarily true for calls
     18  * made outside of JIT. The way SOFTMMU macros are expanded in this header
     19  * enforces ldx/stx routines to use CPU environment stored in cpu_single_env
     20  * variable.
     21  */
     22 #ifndef QEMU_SOFTMMU_OUTSIDE_JIT_H
     23 #define QEMU_SOFTMMU_OUTSIDE_JIT_H
     24 
     25 #ifdef __cplusplus
     26 extern "C" {
     27 #endif
     28 
     29 ////////////////////////////////////////////////////////////////////////////////
     30 // Declares routines implemented in softmmu_outside_jit.c, that are used in
     31 // this macros expansion. Note that MMUSUFFIX _outside_jit is enforced in
     32 // softmmu_header.h by defining OUTSIDE_JIT macro.
     33 ////////////////////////////////////////////////////////////////////////////////
     34 
     35 uint8_t REGPARM __ldb_outside_jit(target_ulong addr, int mmu_idx);
     36 void REGPARM __stb_outside_jit(target_ulong addr, uint8_t val, int mmu_idx);
     37 uint16_t REGPARM __ldw_outside_jit(target_ulong addr, int mmu_idx);
     38 void REGPARM __stw_outside_jit(target_ulong addr, uint16_t val, int mmu_idx);
     39 uint32_t REGPARM __ldl_outside_jit(target_ulong addr, int mmu_idx);
     40 void REGPARM __stl_outside_jit(target_ulong addr, uint32_t val, int mmu_idx);
     41 uint64_t REGPARM __ldq_outside_jit(target_ulong addr, int mmu_idx);
     42 void REGPARM __stq_outside_jit(target_ulong addr, uint64_t val, int mmu_idx);
     43 
     44 // Enforces MMUSUFFIX to be set to _outside_jit in softmmu_header.h
     45 #define OUTSIDE_JIT
     46 // Enforces use of cpu_single_env for CPU environment.
     47 #define env cpu_single_env
     48 
     49 // =============================================================================
     50 // Generate ld/stx_user
     51 // =============================================================================
     52 #if defined(TARGET_MIPS)
     53 #define MEMSUFFIX MMU_MODE2_SUFFIX
     54 #else
     55 #define MEMSUFFIX MMU_MODE1_SUFFIX
     56 #endif
     57 #define ACCESS_TYPE 1
     58 
     59 #define DATA_SIZE 1
     60 #include "softmmu_header.h"
     61 
     62 #define DATA_SIZE 2
     63 #include "softmmu_header.h"
     64 
     65 #define DATA_SIZE 4
     66 #include "softmmu_header.h"
     67 
     68 #define DATA_SIZE 8
     69 #include "softmmu_header.h"
     70 
     71 #undef MEMSUFFIX
     72 #undef ACCESS_TYPE
     73 
     74 // =============================================================================
     75 // Generate ld/stx_kernel
     76 // =============================================================================
     77 #define MEMSUFFIX MMU_MODE0_SUFFIX
     78 #define ACCESS_TYPE 0
     79 
     80 #define DATA_SIZE 1
     81 #include "softmmu_header.h"
     82 
     83 #define DATA_SIZE 2
     84 #include "softmmu_header.h"
     85 
     86 #define DATA_SIZE 4
     87 #include "softmmu_header.h"
     88 
     89 #define DATA_SIZE 8
     90 #include "softmmu_header.h"
     91 
     92 #undef MEMSUFFIX
     93 #undef ACCESS_TYPE
     94 
     95 #undef env
     96 #undef OUTSIDE_JIT
     97 
     98 #ifdef __cplusplus
     99 };  /* end of extern "C" */
    100 #endif
    101 
    102 #endif  // QEMU_SOFTMMU_OUTSIDE_JIT_H
    103