1/* |
2 * Copyright (c) 2014-2016 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 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated --- 47 unchanged lines hidden (view full) --- 58 void serialize(CheckpointOut &cp) const override; 59 void unserialize(CheckpointIn &cp) override; 60 61 public: /* IO device interfaces */ 62 Tick read(PacketPtr pkt) override; 63 Tick write(PacketPtr pkt) override; 64 AddrRangeList getAddrRanges() const override; 65 |
66 protected: /* API wrappers/helpers */ |
67 /** |
68 * @{ 69 * @name API wrappers |
70 */ |
71 |
72 /** Wrapper around nomali_reset(). */ 73 void reset(); |
74 75 /** Wrapper around nomali_reg_read(). */ 76 uint32_t readReg(nomali_addr_t reg); 77 /** Wrapper around nomali_reg_write(). */ 78 void writeReg(nomali_addr_t reg, uint32_t value); 79 80 /** Wrapper around nomali_reg_read_raw(). */ 81 uint32_t readRegRaw(nomali_addr_t reg) const; 82 /** Wrapper around nomali_reg_write_raw(). */ 83 void writeRegRaw(nomali_addr_t reg, uint32_t value); 84 85 /** |
86 * Wrapper around nomali_int_state() 87 * 88 * @param intno Interrupt number 89 * @return True if asserted, false otherwise. 90 */ 91 bool intState(nomali_int_t intno); 92 93 /** @} */ 94 95 /** |
96 * Format a NoMali error into an error message and panic. 97 * 98 * @param err Error code from the NoMali library. 99 * @param msg Message to print. 100 */ 101 static void gpuPanic(nomali_error_t err, const char *msg) M5_ATTR_NORETURN; 102 /** 103 * Panic if the NoMali returned an error, do nothing otherwise. 104 * 105 * @param err Error code from the NoMali library. 106 * @param msg Message to print when panicking. 107 */ 108 static void panicOnErr(nomali_error_t err, const char *msg) { 109 if (err != NOMALI_E_OK) 110 gpuPanic(err, msg); 111 } 112 |
113 protected: /* Callbacks */ 114 /** 115 * @{ 116 * @name Callbacks 117 */ 118 119 /** 120 * Interrupt callback from the NoMali library 121 * 122 * This method is called whenever there is an interrupt state change. 123 * 124 * @param intno Interrupt number 125 * @param set True is the interrupt is being asserted, false otherwise. 126 */ 127 virtual void onInterrupt(nomali_int_t intno, bool set); 128 129 /** @} */ 130 131 private: /* Callback helpers */ 132 /** Wrapper around nomali_set_callback() */ 133 void setCallback(const nomali_callback_t &callback); 134 135 /** 136 * Interrupt callback from the NoMali library. 137 * 138 * This method calls onInterrupt() on the NoMaliGpu owning this 139 * device. 140 * 141 * @param h NoMali library handle. 142 * @param usr Pointer to an instance of the NoMaliGpu 143 * @param intno GPU interrupt type 144 * @param set Was the interrupt raised (1) or lowered (0)? 145 */ 146 static void _interrupt(nomali_handle_t h, void *usr, 147 nomali_int_t intno, int set); 148 protected: |
149 /** Device base address */ 150 const Addr pioAddr; 151 152 /** Platform, used to discover GIC */ 153 RealView *const platform; 154 155 /** Map between NoMali interrupt types and actual GIC 156 * interrupts */ 157 const std::map<nomali_int_t, uint32_t> interruptMap; 158 |
159 /** Cached information struct from the NoMali library */ 160 nomali_info_t nomaliInfo; 161 162 /** Handle of a NoMali library instance */ 163 nomali_handle_t nomali; 164}; 165 166 167#endif // __DEV_ARM_NOMALI_GPU_HH__ |