70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
#include "providers/provider.hpp"
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#include <hex.hpp>
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#include <cmath>
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#include <map>
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#include <optional>
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#include <string>
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#include <vector>
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namespace hex::prv {
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Provider::Provider() {
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this->m_patches.emplace_back();
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}
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void Provider::read(u64 offset, void *buffer, size_t size) {
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this->readRaw(offset, buffer, size);
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}
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void Provider::write(u64 offset, const void *buffer, size_t size) {
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this->writeRaw(offset, buffer, size);
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}
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std::map<u64, u8>& Provider::getPatches() {
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return this->m_patches.back();
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}
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void Provider::applyPatches() {
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for (auto &[patchAddress, patch] : this->m_patches.back())
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this->writeRaw(patchAddress, &patch, 1);
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}
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u32 Provider::getPageCount() {
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return std::ceil(this->getActualSize() / double(PageSize));
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}
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u32 Provider::getCurrentPage() const {
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return this->m_currPage;
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}
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void Provider::setCurrentPage(u32 page) {
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if (page < getPageCount())
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this->m_currPage = page;
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}
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void Provider::setBaseAddress(u64 address) {
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this->m_baseAddress = address;
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}
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u64 Provider::getBaseAddress() {
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return this->m_baseAddress + PageSize * this->m_currPage;
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}
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size_t Provider::getSize() {
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return std::min(this->getActualSize() - PageSize * this->m_currPage, PageSize);
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}
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std::optional<u32> Provider::getPageOfAddress(u64 address) {
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u32 page = std::floor(address / double(PageSize));
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if (page >= this->getPageCount())
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return { };
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return page;
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}
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} |