gpu_nomali.hh (11168:f98eb2da15a4) gpu_nomali.hh (11349:9e46b77e5e56)
1/*
1/*
2 * Copyright (c) 2014-2015 ARM Limited
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

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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
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 private:
66 protected: /* API wrappers/helpers */
67 /**
67 /**
68 * Interrupt callback from the NoMali library.
69 *
70 * This method calls onInterrupt() on the NoMaliGpu owning this
71 * device.
72 *
73 * @param h NoMali library handle.
74 * @param usr Pointer to an instance of the NoMaliGpu
75 * @param intno GPU interrupt type
76 * @param set Was the interrupt raised (1) or lowered (0)?
68 * @{
69 * @name API wrappers
77 */
70 */
78 static void _interrupt(nomali_handle_t h, void *usr,
79 nomali_int_t intno, int set);
80
71
81 void onInterrupt(nomali_handle_t h, nomali_int_t intno, bool set);
72 /** Wrapper around nomali_reset(). */
73 void reset();
82
83 /** Wrapper around nomali_reg_read(). */
84 uint32_t readReg(nomali_addr_t reg);
85 /** Wrapper around nomali_reg_write(). */
86 void writeReg(nomali_addr_t reg, uint32_t value);
87
88 /** Wrapper around nomali_reg_read_raw(). */
89 uint32_t readRegRaw(nomali_addr_t reg) const;
90 /** Wrapper around nomali_reg_write_raw(). */
91 void writeRegRaw(nomali_addr_t reg, uint32_t value);
92
93 /**
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 /**
94 * Format a NoMali error into an error message and panic.
95 *
96 * @param err Error code from the NoMali library.
97 * @param msg Message to print.
98 */
99 static void gpuPanic(nomali_error_t err, const char *msg) M5_ATTR_NORETURN;
100 /**
101 * Panic if the NoMali returned an error, do nothing otherwise.
102 *
103 * @param err Error code from the NoMali library.
104 * @param msg Message to print when panicking.
105 */
106 static void panicOnErr(nomali_error_t err, const char *msg) {
107 if (err != NOMALI_E_OK)
108 gpuPanic(err, msg);
109 }
110
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:
111 /** Device base address */
112 const Addr pioAddr;
113
114 /** Platform, used to discover GIC */
115 RealView *const platform;
116
117 /** Map between NoMali interrupt types and actual GIC
118 * interrupts */
119 const std::map<nomali_int_t, uint32_t> interruptMap;
120
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
121
122 /** Cached information struct from the NoMali library */
123 nomali_info_t nomaliInfo;
124
125 /** Handle of a NoMali library instance */
126 nomali_handle_t nomali;
127};
128
129
130#endif // __DEV_ARM_NOMALI_GPU_HH__
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__