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82 lines
1.7 KiB
C++
82 lines
1.7 KiB
C++
#pragma once
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#include <nx/IKernelCapabilityHandler.h>
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namespace nx
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{
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class MemoryMappingHandler :
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public IKernelCapabilityHandler
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{
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public:
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enum MemoryPerm
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{
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MEM_RW,
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MEM_RO
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};
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enum MappingType
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{
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MAP_IO,
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MAP_STATIC
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};
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struct sMemoryMapping
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{
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u32 addr; // page index
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u32 size; // page num
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MemoryPerm perm;
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MappingType type;
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bool operator==(const sMemoryMapping& other) const
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{
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return (addr == other.addr) \
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&& (size == other.size) \
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&& (perm == other.perm) \
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&& (type == other.type);
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}
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bool operator!=(const sMemoryMapping& other) const
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{
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return !operator==(other);
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}
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const sMemoryMapping& operator=(const sMemoryMapping& other)
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{
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addr = other.addr;
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size = other.size;
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perm = other.perm;
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type = other.type;
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return *this;
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}
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};
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MemoryMappingHandler();
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bool operator==(const MemoryMappingHandler& other) const;
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bool operator!=(const MemoryMappingHandler& other) const;
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void operator=(const MemoryMappingHandler& other);
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// kernel capabilty list in/out
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void importKernelCapabilityList(const fnd::List<KernelCapability>& caps);
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void exportKernelCapabilityList(fnd::List<KernelCapability>& caps) const;
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void clear();
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bool isSet() const;
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const fnd::List<sMemoryMapping>& getMemoryMaps() const;
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const fnd::List<sMemoryMapping>& getIoMemoryMaps() const;
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private:
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const std::string kModuleName = "MEMORY_MAPPING_HANDLER";
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static const u32 kMaxPageAddr = BIT(24) - 1;
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static const u32 kMaxPageNum = BIT(20) - 1;
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bool mIsSet;
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fnd::List<sMemoryMapping> mMemRange;
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fnd::List<sMemoryMapping> mMemPage;
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void copyFrom(const MemoryMappingHandler& other);
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bool isEqual(const MemoryMappingHandler& other) const;
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};
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}
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