mirror of
https://github.com/jakcron/nstool
synced 2024-11-15 10:16:42 +00:00
139 lines
No EOL
3.2 KiB
C++
139 lines
No EOL
3.2 KiB
C++
#include <nx/MemoryMappingHandler.h>
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#include <nx/MemoryPageEntry.h>
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nx::MemoryMappingHandler::MemoryMappingHandler() :
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mIsSet(false)
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{}
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void nx::MemoryMappingHandler::operator=(const MemoryMappingHandler & other)
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{
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mIsSet = other.mIsSet;
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mMemRange = other.mMemRange;
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mMemPage = other.mMemPage;
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}
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bool nx::MemoryMappingHandler::operator==(const MemoryMappingHandler & other) const
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{
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return (mIsSet == other.mIsSet) \
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&& (mMemRange == other.mMemRange) \
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&& (mMemPage == other.mMemPage);
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}
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bool nx::MemoryMappingHandler::operator!=(const MemoryMappingHandler & other) const
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{
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return !(*this == other);
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}
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void nx::MemoryMappingHandler::importKernelCapabilityList(const fnd::List<KernelCapability>& caps)
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{
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if (caps.size() == 0)
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return;
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// get entry list
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fnd::List<MemoryPageEntry> entries;
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for (size_t i = 0; i < caps.size(); i++)
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{
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entries.addElement(caps[i]);
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}
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mMemRange.clear();
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mMemPage.clear();
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for (size_t i = 0; i < entries.size();)
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{
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// has flag means "MemMap"
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if (entries[i].isMultiplePages())
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{
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// this entry is the last one or the next one isn't a memory map
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if ((i + 1) == entries.size() || entries[i+1].isMultiplePages() == false)
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{
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throw fnd::Exception(kModuleName, "No paired entry");
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}
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// check valid page address
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if (entries[i].getPage() > kMaxPageAddr)
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{
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throw fnd::Exception(kModuleName, "Illegal page address");
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}
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// check valid page num
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if (entries[i+1].getPage() > kMaxPageAddr)
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{
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throw fnd::Exception(kModuleName, "Illegal page num");
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}
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// add to list
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mMemRange.addElement({ entries[i].getPage(), entries[i+1].getPage(), entries[i].getFlag() ? MEM_RO : MEM_RW, entries[i+1].getFlag() ? MAP_STATIC : MAP_IO });
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// increment i by two
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i += 2;
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}
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// otherwise means "IoMemMap"
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else
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{
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// check valid page address
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if (entries[i].getPage() > kMaxPageAddr)
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{
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throw fnd::Exception(kModuleName, "Illegal page address");
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}
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// add to list
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mMemPage.addElement({ entries[i].getPage(), 1, MEM_RW, MAP_IO });
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// increment i by one
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i += 1;
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}
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}
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mIsSet = true;
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}
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void nx::MemoryMappingHandler::exportKernelCapabilityList(fnd::List<KernelCapability>& caps) const
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{
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if (isSet() == false)
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return;
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MemoryPageEntry cap;
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// "mem maps"
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cap.setMapMultiplePages(true);
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for (size_t i = 0; i < mMemRange.size(); i++)
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{
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cap.setPage(mMemRange[i].addr & kMaxPageAddr);
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cap.setFlag(mMemRange[i].perm == MEM_RO);
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caps.addElement(cap.getKernelCapability());
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cap.setPage(mMemRange[i].size & kMaxPageNum);
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cap.setFlag(mMemRange[i].type == MAP_STATIC);
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caps.addElement(cap.getKernelCapability());
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}
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// "io maps"
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cap.setMapMultiplePages(false);
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for (size_t i = 0; i < mMemPage.size(); i++)
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{
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cap.setPage(mMemPage[i].addr & kMaxPageAddr);
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caps.addElement(cap.getKernelCapability());
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}
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}
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void nx::MemoryMappingHandler::clear()
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{
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mIsSet = false;
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mMemRange.clear();
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mMemPage.clear();
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}
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bool nx::MemoryMappingHandler::isSet() const
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{
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return mIsSet;
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}
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const fnd::List<nx::MemoryMappingHandler::sMemoryMapping>& nx::MemoryMappingHandler::getMemoryMaps() const
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{
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return mMemRange;
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}
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const fnd::List<nx::MemoryMappingHandler::sMemoryMapping>& nx::MemoryMappingHandler::getIoMemoryMaps() const
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{
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return mMemPage;
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} |