tlb.hh (12406:86bde4a026b5) | tlb.hh (12749:223c83ed9979) |
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1/* 2 * Copyright (c) 2011 ARM Limited 3 * All rights reserved. 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 63 unchanged lines hidden (view full) --- 72 */ 73 virtual void markDelayed() = 0; 74 75 /* 76 * The memory for this object may be dynamically allocated, and it may 77 * be responsible for cleaning itself up which will happen in this 78 * function. Once it's called, the object is no longer valid. 79 */ | 1/* 2 * Copyright (c) 2011 ARM Limited 3 * All rights reserved. 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 63 unchanged lines hidden (view full) --- 72 */ 73 virtual void markDelayed() = 0; 74 75 /* 76 * The memory for this object may be dynamically allocated, and it may 77 * be responsible for cleaning itself up which will happen in this 78 * function. Once it's called, the object is no longer valid. 79 */ |
80 virtual void finish(const Fault &fault, RequestPtr req, | 80 virtual void finish(const Fault &fault, const RequestPtr &req, |
81 ThreadContext *tc, Mode mode) = 0; 82 83 /** This function is used by the page table walker to determine if it 84 * should translate the a pending request or if the underlying request 85 * has been squashed. 86 * @ return Is the instruction that requested this translation squashed? 87 */ 88 virtual bool squashed() const { return false; } 89 }; 90 91 public: 92 virtual void demapPage(Addr vaddr, uint64_t asn) = 0; 93 94 virtual Fault translateAtomic( | 81 ThreadContext *tc, Mode mode) = 0; 82 83 /** This function is used by the page table walker to determine if it 84 * should translate the a pending request or if the underlying request 85 * has been squashed. 86 * @ return Is the instruction that requested this translation squashed? 87 */ 88 virtual bool squashed() const { return false; } 89 }; 90 91 public: 92 virtual void demapPage(Addr vaddr, uint64_t asn) = 0; 93 94 virtual Fault translateAtomic( |
95 RequestPtr req, ThreadContext *tc, Mode mode) = 0; | 95 const RequestPtr &req, ThreadContext *tc, Mode mode) = 0; |
96 virtual void translateTiming( | 96 virtual void translateTiming( |
97 RequestPtr req, ThreadContext *tc, | 97 const RequestPtr &req, ThreadContext *tc, |
98 Translation *translation, Mode mode) = 0; 99 virtual Fault | 98 Translation *translation, Mode mode) = 0; 99 virtual Fault |
100 translateFunctional(RequestPtr req, ThreadContext *tc, Mode mode) | 100 translateFunctional(const RequestPtr &req, ThreadContext *tc, Mode mode) |
101 { 102 panic("Not implemented.\n"); 103 } 104 105 /** 106 * Do post-translation physical address finalization. 107 * 108 * This method is used by some architectures that need 109 * post-translation massaging of physical addresses. For example, 110 * X86 uses this to remap physical addresses in the APIC range to 111 * a range of physical memory not normally available to real x86 112 * implementations. 113 * 114 * @param req Request to updated in-place. 115 * @param tc Thread context that created the request. 116 * @param mode Request type (read/write/execute). 117 * @return A fault on failure, NoFault otherwise. 118 */ 119 virtual Fault finalizePhysical( | 101 { 102 panic("Not implemented.\n"); 103 } 104 105 /** 106 * Do post-translation physical address finalization. 107 * 108 * This method is used by some architectures that need 109 * post-translation massaging of physical addresses. For example, 110 * X86 uses this to remap physical addresses in the APIC range to 111 * a range of physical memory not normally available to real x86 112 * implementations. 113 * 114 * @param req Request to updated in-place. 115 * @param tc Thread context that created the request. 116 * @param mode Request type (read/write/execute). 117 * @return A fault on failure, NoFault otherwise. 118 */ 119 virtual Fault finalizePhysical( |
120 RequestPtr req, ThreadContext *tc, Mode mode) const = 0; | 120 const RequestPtr &req, ThreadContext *tc, Mode mode) const = 0; |
121 122 /** 123 * Remove all entries from the TLB 124 */ 125 virtual void flushAll() = 0; 126 127 /** 128 * Take over from an old tlb context --- 20 unchanged lines hidden (view full) --- 149 GenericTLB(const Params *p) 150 : BaseTLB(p) 151 {} 152 153 public: 154 void demapPage(Addr vaddr, uint64_t asn) override; 155 156 Fault translateAtomic( | 121 122 /** 123 * Remove all entries from the TLB 124 */ 125 virtual void flushAll() = 0; 126 127 /** 128 * Take over from an old tlb context --- 20 unchanged lines hidden (view full) --- 149 GenericTLB(const Params *p) 150 : BaseTLB(p) 151 {} 152 153 public: 154 void demapPage(Addr vaddr, uint64_t asn) override; 155 156 Fault translateAtomic( |
157 RequestPtr req, ThreadContext *tc, Mode mode) override; | 157 const RequestPtr &req, ThreadContext *tc, Mode mode) override; |
158 void translateTiming( | 158 void translateTiming( |
159 RequestPtr req, ThreadContext *tc, | 159 const RequestPtr &req, ThreadContext *tc, |
160 Translation *translation, Mode mode) override; 161 162 Fault finalizePhysical( | 160 Translation *translation, Mode mode) override; 161 162 Fault finalizePhysical( |
163 RequestPtr req, ThreadContext *tc, Mode mode) const override; | 163 const RequestPtr &req, ThreadContext *tc, Mode mode) const override; |
164}; 165 166#endif // __ARCH_GENERIC_TLB_HH__ | 164}; 165 166#endif // __ARCH_GENERIC_TLB_HH__ |