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https://github.com/jakcron/nstool
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57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
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#pragma once
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#include <string>
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#include <fnd/types.h>
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#include <nx/KernelCapability.h>
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namespace nx
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{
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class MemoryPageEntry
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{
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public:
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MemoryPageEntry();
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MemoryPageEntry(const KernelCapability& kernel_cap);
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MemoryPageEntry(u32 page);
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MemoryPageEntry(u32 page, bool flag);
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// kernel capability
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const KernelCapability& getKernelCapability() const;
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void setKernelCapability(const KernelCapability& kernel_cap);
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// variables
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u32 getPage() const;
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void setPage(u32 page);
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bool getFlag() const;
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void setFlag(bool flag);
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bool hasFlag() const;
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void useFlag(bool useFlag);
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private:
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const std::string kModuleName = "MEMORY_PAGE_ENTRY";
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static const u32 kPageBits = 24;
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static const u32 kMaxPage = BIT(kPageBits) - 1;
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KernelCapability mCap;
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u32 mPage;
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bool mFlag;
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bool mUseFlag;
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inline void updateCapField()
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{
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u32 field = 0;
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field |= (u32)(mPage & kMaxPage) << 0;
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field |= (u32)(mFlag) << kPageBits;
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mCap.setField(field);
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mCap.setType(mUseFlag ? KernelCapability::KC_MEMORY_MAP : KernelCapability::KC_IO_MEMORY_MAP);
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}
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inline void processCapField()
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{
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u32 field = mCap.getField();
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mPage = (field >> 0) & kMaxPage;
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mFlag = (field >> kPageBits);
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mUseFlag = mCap.getType() == KernelCapability::KC_MEMORY_MAP;
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}
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};
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}
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