nstool/lib/nx/SystemCallEntry.h
2017-07-07 17:09:03 +10:00

54 lines
1.4 KiB
C++

#pragma once
#include <string>
#include <fnd/types.h>
#include <nx/KernelCapability.h>
namespace nx
{
class SystemCallEntry
{
public:
SystemCallEntry();
SystemCallEntry(const KernelCapability& kernel_cap);
SystemCallEntry(u32 upper_bits, u32 lower_bits);
// kernel capability
const KernelCapability& getKernelCapability() const;
void setKernelCapability(const KernelCapability& kernel_cap);
// variables
u32 getSystemCallUpperBits() const;
void setSystemCallUpperBits(u32 upper_bits);
u32 getSystemCallLowerBits() const;
void setSystemCallLowerBits(u32 lower_bits);
private:
const std::string kModuleName = "SYSTEM_CALL_ENTRY";
static const KernelCapability::KernelCapId kCapId = KernelCapability::KC_ENABLE_SYSTEM_CALLS;
static const u32 kSysCallUpperBits = 3;
static const u32 kSysCallLowerBits = 23;
static const u32 kSysCallUpperMax = BIT(kSysCallUpperBits) - 1;
static const u32 kSysCallLowerMax = BIT(kSysCallLowerBits) - 1;
KernelCapability mCap;
u32 mSystemCallUpper;
u32 mSystemCallLower;
inline void updateCapField()
{
u32 field = 0;
field |= (u32)(mSystemCallLower & kSysCallLowerMax) << 0;
field |= (u32)(mSystemCallUpper & kSysCallUpperMax) << kSysCallLowerBits;
mCap.setField(field);
}
inline void processCapField()
{
u32 field = mCap.getField();
mSystemCallLower = (field >> 0) & kSysCallLowerMax;
mSystemCallUpper = (field >> kSysCallLowerBits) & kSysCallUpperMax;
}
};
}