kendryte-standalone-sdk/lib/nncase/v0/runtime/k210/interpreter.cpp

62 lines
1.9 KiB
C++

/* Copyright 2019-2020 Canaan Inc.
*
* 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.
*/
#include <runtime/k210/interpreter.h>
#if !NNCASE_TARGET_K210_SIMULATOR
#include <sysctl.h>
#endif
using namespace nncase;
using namespace nncase::runtime;
using namespace nncase::runtime::k210;
interpreter::interpreter()
#if NNCASE_TARGET_K210_SIMULATOR
: kpu_mem_(std::make_unique<uint8_t[]>(2 * 1024 * 1024))
#endif
{
#if !NNCASE_TARGET_K210_SIMULATOR
kpu->interrupt_clear.reg = 7;
kpu->interrupt_mask.reg = 7;
kpu->fifo_threshold.reg = 10 | (1 << 4);
kpu->eight_bit_mode.reg = 1;
plic_set_priority(IRQN_AI_INTERRUPT, 1);
#endif
}
xtl::span<uint8_t> interpreter::memory_at(const memory_range &range) const noexcept
{
if (range.memory_type == mem_k210_kpu)
{
uintptr_t base =
#if NNCASE_TARGET_K210_SIMULATOR
(uintptr_t)kpu_mem_.get();
#else
(uintptr_t)AI_IO_BASE_ADDR;
#endif
return { reinterpret_cast<uint8_t *>(base + range.start), range.size };
}
return interpreter_base::memory_at(range);
}
#if !NNCASE_TARGET_K210_SIMULATOR
interpreter::clock_t::time_point interpreter::get_now() const noexcept
{
auto micro = std::chrono::microseconds(sysctl_get_time_us());
return clock_t::time_point(std::chrono::duration_cast<clock_t::duration>(micro));
}
#endif