moved reel to dedicated folder because it was hogging the cpu folder
This commit is contained in:
194
src/spider/runtime/reel/InstrReelDyn.cpp
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194
src/spider/runtime/reel/InstrReelDyn.cpp
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#include "InstrReelDyn.hpp"
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#include <spider/runtime/memory/Types.hpp>
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namespace spider {
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InstrReelDyn::InstrReelDyn(u64 length) : _use_count(0), _block_index(0) {
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_total_size = length;
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growToFit(length > 0 ? length - 1 : 0);
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selectBlock(0);
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}
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InstrReelDyn::InstrReelDyn(const u8* data, u64 length) {}
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InstrReelDyn::InstrReelDyn(const InstrReelDyn& copy) : _use_count(copy._use_count), _block_index(copy._block_index), _blocks(copy._blocks) {
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if (_block_index < _blocks.size()) selectBlock(_block_index);
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}
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InstrReelDyn::InstrReelDyn(InstrReelDyn&& move) noexcept : _use_count(move._use_count), _block_index(move._block_index), _blocks(std::move(move._blocks)) {
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if (_block_index < _blocks.size()) selectBlock(_block_index);
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}
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InstrReelDyn::~InstrReelDyn() {
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// .. //
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}
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InstrReelDyn& InstrReelDyn::operator=(const InstrReelDyn& copy) {
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_use_count = copy._use_count;
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_block_index = copy._block_index;
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_blocks = copy._blocks;
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if (_block_index < _blocks.size()) selectBlock(_block_index);
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return *this;
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}
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InstrReelDyn& InstrReelDyn::operator=(InstrReelDyn&& move) noexcept {
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_use_count = move._use_count;
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_block_index = move._block_index;
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_blocks = std::move(move._blocks);
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if (_block_index < _blocks.size()) selectBlock(_block_index);
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move._use_count = 0;
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move._block_index = 0;
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move._mem = nullptr;
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move._offset = 0;
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move._size = 0;
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move._total_size = 0;
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return *this;
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}
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void InstrReelDyn::growToFit(isize index) {
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while (_blocks.size() < (index + 1)) {
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_blocks.emplace_back();
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}
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}
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isize InstrReelDyn::selectIndex(u64 ip) {
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return ip / 256;
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}
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InstrReelDyn::ReelBlock* InstrReelDyn::selectBlock(isize index) {
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// Update base class cache
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auto ptr = &_blocks[index];
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_offset = index * 256;
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_mem = ptr->data;
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_size = 256;
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_block_index = index;
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//_blocks[block_idx].access_count++;
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return ptr;
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}
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u8 InstrReelDyn::atU8(u64 ip) {
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isize j = selectIndex(ip);
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if (j >= _blocks.size()) return 0;
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if (j != _block_index) {
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this->selectBlock(j);
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}
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return _mem[ip - _offset];
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}
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u16 InstrReelDyn::atU16(u64 ip) {
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isize j0 = selectIndex(ip);
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isize j1 = selectIndex(ip + 1);
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if (j1 >= _blocks.size()) return 0;
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if (j0 == j1 && j0 != _block_index) {
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selectBlock(j0);
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}
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if (j0 == j1 && j0 == _block_index) {
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u16 dat;
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spider::loadLE(&dat, _mem);
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return dat;
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}
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// general case, first part
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u16 dat = 0;
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const u8 size = sizeof(u16);
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// select first block and offset
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selectBlock(j0);
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u8 rem = ip % 256;
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for (u8 n = 0; n < size; n++) {
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dat |= _mem[rem++] << (n * 8);
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ip++;
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if (!rem) selectBlock(++j0);
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}
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return dat;
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}
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u32 InstrReelDyn::atU32(u64 ip) {
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isize j0 = selectIndex(ip);
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isize j1 = selectIndex(ip + 3);
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if (j1 >= _blocks.size()) return 0;
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if (j0 == j1 && j0 != _block_index) {
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selectBlock(j0);
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}
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if (j0 == j1 && j0 == _block_index) {
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u32 dat;
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spider::loadLE(&dat, _mem);
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return dat;
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}
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// general case, first part
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u32 dat = 0;
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const u8 size = sizeof(u32);
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// select first block and offset
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selectBlock(j0);
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u8 rem = ip % 256;
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for (u8 n = 0; n < size; n++) {
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dat |= _mem[rem++] << (n * 8);
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ip++;
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if (!rem) selectBlock(++j0);
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}
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return dat;
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}
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u64 InstrReelDyn::atU64(u64 ip) {
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isize j0 = selectIndex(ip);
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isize j1 = selectIndex(ip + 3);
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if (j1 >= _blocks.size()) return 0;
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if (j0 == j1 && j0 != _block_index) {
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selectBlock(j0);
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}
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if (j0 == j1 && j0 == _block_index) {
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u64 dat;
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spider::loadLE(&dat, _mem);
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return dat;
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}
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// general case, first part
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u64 dat = 0;
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const u8 size = sizeof(u64);
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// select first block and offset
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selectBlock(j0);
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u8 rem = ip % 256;
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for (u8 n = 0; n < size; n++) {
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dat |= _mem[rem++] << (n * 8);
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ip++;
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if (!rem) selectBlock(++j0);
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}
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return dat;
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}
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void InstrReelDyn::at(u64 ip, u8 dat) {}
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void InstrReelDyn::at(u64 ip, u16 dat) {}
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void InstrReelDyn::at(u64 ip, u32 dat) {}
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void InstrReelDyn::at(u64 ip, u64 dat) {}
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/**
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* Appends instruction at location.
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*/
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void InstrReelDyn::append(u64 ip, u16 bc) {}
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/**
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* Appends instruction at the end.
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*/
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void InstrReelDyn::append(u16 bc) {}
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/**
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* Removes instruction at location.
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*/
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void InstrReelDyn::remove(u64 ip) {}
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}
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