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Diffstat (limited to 'ext/nomali/lib/mmu.hh')
-rw-r--r-- | ext/nomali/lib/mmu.hh | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/ext/nomali/lib/mmu.hh b/ext/nomali/lib/mmu.hh new file mode 100644 index 000000000..82864a6ff --- /dev/null +++ b/ext/nomali/lib/mmu.hh @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2014-2015 ARM Limited + * All rights reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * Authors: Andreas Sandberg + */ + +#ifndef _LIBNOMALIMODEL_MMU_HH +#define _LIBNOMALIMODEL_MMU_HH + +#include <vector> + +#include "gpublock.hh" +#include "types.hh" + +namespace NoMali { + +class GPU; + +/** + * MMU dummy implementation. + * + * This is a dummy implementation of a Midgard GPU MMU block. The only + * features supported by the block is interrupt delivery and registers + * related to interrupt delivery. Writes to unimplemented registers + * (most registers) are discarded and their values are read as zero. + */ +class MMU + : public GPUBlockInt +{ + public: + MMU(GPU &_gpu); + virtual ~MMU(); + + void writeReg(RegAddr idx, uint32_t value) override; + + protected: + void onInterrupt(int set) override; + + RegVector regs; +}; + +} + +#endif // _LIBNOMALIMODEL_MMU_HH |