62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/* Copyright 2019-2020 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <runtime/k210/interpreter.h>
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#if !NNCASE_TARGET_K210_SIMULATOR
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#include <sysctl.h>
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#endif
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using namespace nncase;
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using namespace nncase::runtime;
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using namespace nncase::runtime::k210;
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interpreter::interpreter()
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#if NNCASE_TARGET_K210_SIMULATOR
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: kpu_mem_(std::make_unique<uint8_t[]>(2 * 1024 * 1024))
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#endif
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{
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#if !NNCASE_TARGET_K210_SIMULATOR
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kpu->interrupt_clear.reg = 7;
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kpu->interrupt_mask.reg = 7;
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kpu->fifo_threshold.reg = 10 | (1 << 4);
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kpu->eight_bit_mode.reg = 1;
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plic_set_priority(IRQN_AI_INTERRUPT, 1);
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#endif
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}
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xtl::span<uint8_t> interpreter::memory_at(const memory_range &range) const noexcept
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{
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if (range.memory_type == mem_k210_kpu)
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{
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uintptr_t base =
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#if NNCASE_TARGET_K210_SIMULATOR
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(uintptr_t)kpu_mem_.get();
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#else
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(uintptr_t)AI_IO_BASE_ADDR;
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#endif
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return { reinterpret_cast<uint8_t *>(base + range.start), range.size };
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}
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return interpreter_base::memory_at(range);
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}
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#if !NNCASE_TARGET_K210_SIMULATOR
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interpreter::clock_t::time_point interpreter::get_now() const noexcept
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{
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auto micro = std::chrono::microseconds(sysctl_get_time_us());
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return clock_t::time_point(std::chrono::duration_cast<clock_t::duration>(micro));
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}
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#endif
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