Vladimir Chtchetkine | 5389aa1 | 2010-02-16 10:38:35 -0800 | [diff] [blame] | 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 | #define MEMSUFFIX MMU_MODE1_SUFFIX |
| 53 | #define ACCESS_TYPE 1 |
| 54 | |
| 55 | #define DATA_SIZE 1 |
| 56 | #include "softmmu_header.h" |
| 57 | |
| 58 | #define DATA_SIZE 2 |
| 59 | #include "softmmu_header.h" |
| 60 | |
| 61 | #define DATA_SIZE 4 |
| 62 | #include "softmmu_header.h" |
| 63 | |
| 64 | #define DATA_SIZE 8 |
| 65 | #include "softmmu_header.h" |
| 66 | |
| 67 | #undef MEMSUFFIX |
| 68 | #undef ACCESS_TYPE |
| 69 | |
| 70 | // ============================================================================= |
| 71 | // Generate ld/stx_kernel |
| 72 | // ============================================================================= |
| 73 | #define MEMSUFFIX MMU_MODE0_SUFFIX |
| 74 | #define ACCESS_TYPE 0 |
| 75 | |
| 76 | #define DATA_SIZE 1 |
| 77 | #include "softmmu_header.h" |
| 78 | |
| 79 | #define DATA_SIZE 2 |
| 80 | #include "softmmu_header.h" |
| 81 | |
| 82 | #define DATA_SIZE 4 |
| 83 | #include "softmmu_header.h" |
| 84 | |
| 85 | #define DATA_SIZE 8 |
| 86 | #include "softmmu_header.h" |
| 87 | |
| 88 | #undef MEMSUFFIX |
| 89 | #undef ACCESS_TYPE |
| 90 | |
| 91 | #undef env |
| 92 | #undef OUTSIDE_JIT |
| 93 | |
| 94 | #ifdef __cplusplus |
| 95 | }; /* end of extern "C" */ |
| 96 | #endif |
| 97 | |
| 98 | #endif // QEMU_SOFTMMU_OUTSIDE_JIT_H |