1 /*---------------------------------------------------------------------------* 2 Project: Horizon 3 File: os_StackMemory.h 4 5 Copyright (C)2009 Nintendo Co., Ltd. All rights reserved. 6 7 These coded instructions, statements, and computer programs contain 8 proprietary information of Nintendo of America Inc. and/or Nintendo 9 Company Ltd., and are protected by Federal copyright law. They may 10 not be disclosed to third parties or copied or duplicated in any form, 11 in whole or in part, without the prior written consent of Nintendo. 12 13 $Rev: 38846 $ 14 *---------------------------------------------------------------------------*/ 15 16 #ifndef NN_OS_OS_STACKMEMORY_H_ 17 #define NN_OS_OS_STACKMEMORY_H_ 18 19 #include <nn/config.h> 20 #if NN_PLATFORM_HAS_MMU 21 22 #include <nn/types.h> 23 #include <nn/Handle.h> 24 #include <nn/svc.h> 25 #include <nn/os/CTR/os_MemoryConfig.h> 26 #include <nn/os/os_MemoryBlockBase.h> 27 28 #ifdef __cplusplus 29 30 #include <nn/util/util_NonCopyable.h> 31 #include <nn/os/os_SvcTypes.autogen.h> 32 #include <nn/util/util_Result.h> 33 34 namespace nn{ namespace os{ 35 36 namespace detail 37 { 38 void InitializeStackMemory(); 39 } 40 41 42 /* Please see man pages for details 43 44 45 46 47 48 49 50 51 52 53 */ 54 class StackMemory : public MemoryBlockBase 55 { 56 private: 57 uptr m_MemoryAddress; 58 59 public: 60 /* Please see man pages for details 61 62 63 64 65 66 */ StackMemory()67 StackMemory() {} 68 69 /* Please see man pages for details 70 71 72 73 74 75 76 77 78 79 80 */ StackMemory(void * pMem,size_t size)81 explicit StackMemory(void* pMem, size_t size) { Initialize(pMem, size); } 82 83 84 /* Please see man pages for details 85 86 87 88 89 90 91 92 93 94 95 96 97 98 */ 99 Result TryInitialize(void* pMem, size_t size); 100 101 /* Please see man pages for details 102 103 104 105 106 107 108 109 110 111 */ 112 void Initialize(void* pMem, size_t size); 113 114 /* Please see man pages for details 115 116 117 118 119 */ ~StackMemory()120 ~StackMemory() { Finalize(); } 121 122 /* Please see man pages for details 123 124 125 126 127 128 129 */ 130 void* Finalize(); 131 132 /* Please see man pages for details 133 134 135 136 137 138 */ GetStackBottom()139 uptr GetStackBottom() const { return GetAddress() + GetSize(); } 140 141 /* Please see man pages for details 142 143 144 145 146 147 */ GetStackSize()148 size_t GetStackSize() const { return GetSize(); } 149 150 void MoveFrom(StackMemory* pFrom); 151 }; 152 153 154 155 }} // namespace nn::os 156 157 #endif // __cplusplus 158 159 // Below is the C declaration 160 161 #include <nn/util/detail/util_CLibImpl.h> 162 163 /* Please see man pages for details 164 165 166 167 168 169 170 171 172 */ 173 174 /* Please see man pages for details 175 176 177 178 179 */ 180 NN_UTIL_DETAIL_CLIBIMPL_DEFINE_BUFFER_CLASS(nnosStackMemory, nn::os::StackMemory, 24, u32); 181 182 183 /* Please see man pages for details 184 185 */ 186 NN_EXTERN_C void nnosStackMemoryProtect(nnosStackMemory* p, void* pMem, size_t size); 187 188 /* 189 190 */ 191 NN_EXTERN_C void nnosStackMemoryUnprotect(nnosStackMemory* p); 192 193 /* Please see man pages for details 194 195 */ 196 NN_EXTERN_C uptr nnosStackMemoryGetAddress(nnosStackMemory* p); 197 198 /* Please see man pages for details 199 200 */ 201 NN_EXTERN_C size_t nnosStackMemoryGetSize(nnosStackMemory* p); 202 203 /* Please see man pages for details 204 205 */ 206 NN_EXTERN_C uptr nnosStackMemoryGetStackBottom(nnosStackMemory* p); 207 208 /* 209 210 211 212 */ 213 214 #endif // if NN_PLATFORM_HAS_MMU 215 #endif /* NN_OS_OS_STACKMEMORY_H_ */ 216