22c04190c6
This patch moves away from using M5_ATTR_OVERRIDE and the m5::hashmap (and similar) abstractions, as these are no longer needed with gcc 4.7 and clang 3.1 as minimum compiler versions.
131 lines
4.7 KiB
C++
131 lines
4.7 KiB
C++
/*
|
|
* Copyright (c) 2014-2015 ARM Limited
|
|
* All rights reserved
|
|
*
|
|
* The license below extends only to copyright in the software and shall
|
|
* not be construed as granting a license to any other intellectual
|
|
* property including but not limited to intellectual property relating
|
|
* to a hardware implementation of the functionality of the software
|
|
* licensed hereunder. You may use the software subject to the license
|
|
* terms below provided that you ensure that this notice is replicated
|
|
* unmodified and in its entirety in all distributions of the software,
|
|
* modified or unmodified, in source code or in binary form.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met: redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer;
|
|
* redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution;
|
|
* neither the name of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* Authors: Andreas Sandberg
|
|
*/
|
|
|
|
#ifndef __DEV_ARM_NOMALI_GPU_HH__
|
|
#define __DEV_ARM_NOMALI_GPU_HH__
|
|
|
|
#include <map>
|
|
|
|
#include "dev/io_device.hh"
|
|
#include "libnomali/nomali.h"
|
|
|
|
class NoMaliGpuParams;
|
|
class RealView;
|
|
|
|
class NoMaliGpu : public PioDevice
|
|
{
|
|
public:
|
|
NoMaliGpu(const NoMaliGpuParams *p);
|
|
virtual ~NoMaliGpu();
|
|
|
|
public: /* Checkpointing */
|
|
void serialize(CheckpointOut &cp) const override;
|
|
void unserialize(CheckpointIn &cp) override;
|
|
|
|
public: /* IO device interfaces */
|
|
Tick read(PacketPtr pkt) override;
|
|
Tick write(PacketPtr pkt) override;
|
|
AddrRangeList getAddrRanges() const override;
|
|
|
|
private:
|
|
/**
|
|
* Interrupt callback from the NoMali library.
|
|
*
|
|
* This method calls onInterrupt() on the NoMaliGpu owning this
|
|
* device.
|
|
*
|
|
* @param h NoMali library handle.
|
|
* @param usr Pointer to an instance of the NoMaliGpu
|
|
* @param intno GPU interrupt type
|
|
* @param set Was the interrupt raised (1) or lowered (0)?
|
|
*/
|
|
static void _interrupt(nomali_handle_t h, void *usr,
|
|
nomali_int_t intno, int set);
|
|
|
|
void onInterrupt(nomali_handle_t h, nomali_int_t intno, bool set);
|
|
|
|
/** Wrapper around nomali_reg_read(). */
|
|
uint32_t readReg(nomali_addr_t reg);
|
|
/** Wrapper around nomali_reg_write(). */
|
|
void writeReg(nomali_addr_t reg, uint32_t value);
|
|
|
|
/** Wrapper around nomali_reg_read_raw(). */
|
|
uint32_t readRegRaw(nomali_addr_t reg) const;
|
|
/** Wrapper around nomali_reg_write_raw(). */
|
|
void writeRegRaw(nomali_addr_t reg, uint32_t value);
|
|
|
|
/**
|
|
* Format a NoMali error into an error message and panic.
|
|
*
|
|
* @param err Error code from the NoMali library.
|
|
* @param msg Message to print.
|
|
*/
|
|
static void gpuPanic(nomali_error_t err, const char *msg) M5_ATTR_NORETURN;
|
|
/**
|
|
* Panic if the NoMali returned an error, do nothing otherwise.
|
|
*
|
|
* @param err Error code from the NoMali library.
|
|
* @param msg Message to print when panicking.
|
|
*/
|
|
static void panicOnErr(nomali_error_t err, const char *msg) {
|
|
if (err != NOMALI_E_OK)
|
|
gpuPanic(err, msg);
|
|
}
|
|
|
|
/** Device base address */
|
|
const Addr pioAddr;
|
|
|
|
/** Platform, used to discover GIC */
|
|
RealView *const platform;
|
|
|
|
/** Map between NoMali interrupt types and actual GIC
|
|
* interrupts */
|
|
const std::map<nomali_int_t, uint32_t> interruptMap;
|
|
|
|
|
|
/** Cached information struct from the NoMali library */
|
|
nomali_info_t nomaliInfo;
|
|
|
|
/** Handle of a NoMali library instance */
|
|
nomali_handle_t nomali;
|
|
};
|
|
|
|
|
|
#endif // __DEV_ARM_NOMALI_GPU_HH__
|