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UE+LibX86: Support bigger reads and writes

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This commit is contained in:
Hendiadyoin1 2021-04-10 23:29:32 +02:00 • committed by Andreas Kling
parent a99812633b
commit f1957bb86b
11 changed files with 316 additions and 4 deletions
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18
Userland/DevTools/UserspaceEmulator/SoftCPU.h
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@ -39,6 +39,8 @@ public:
using ValueWithShadowType16 = ValueWithShadow<u16>;
using ValueWithShadowType32 = ValueWithShadow<u32>;
using ValueWithShadowType64 = ValueWithShadow<u64>;
using ValueWithShadowType128 = ValueWithShadow<u128>;
using ValueWithShadowType256 = ValueWithShadow<u256>;
explicit SoftCPU(Emulator&);
void dump() const;
@ -347,6 +349,8 @@ public:
ValueWithShadow<u16> read_memory16(X86::LogicalAddress);
ValueWithShadow<u32> read_memory32(X86::LogicalAddress);
ValueWithShadow<u64> read_memory64(X86::LogicalAddress);
ValueWithShadow<u128> read_memory128(X86::LogicalAddress);
ValueWithShadow<u256> read_memory256(X86::LogicalAddress);
template<typename T>
ValueWithShadow<T> read_memory(X86::LogicalAddress address)
@ -357,12 +361,20 @@ public:
return read_memory16(address);
if constexpr (sizeof(T) == 4)
return read_memory32(address);
if constexpr (sizeof(T) == 8)
return read_memory64(address);
if constexpr (sizeof(T) == 16)
return read_memory128(address);
if constexpr (sizeof(T) == 32)
return read_memory256(address);
}
void write_memory8(X86::LogicalAddress, ValueWithShadow<u8>);
void write_memory16(X86::LogicalAddress, ValueWithShadow<u16>);
void write_memory32(X86::LogicalAddress, ValueWithShadow<u32>);
void write_memory64(X86::LogicalAddress, ValueWithShadow<u64>);
void write_memory128(X86::LogicalAddress, ValueWithShadow<u128>);
void write_memory256(X86::LogicalAddress, ValueWithShadow<u256>);
template<typename T>
void write_memory(X86::LogicalAddress address, ValueWithShadow<T> data)
@ -373,6 +385,12 @@ public:
return write_memory16(address, data);
if constexpr (sizeof(T) == 4)
return write_memory32(address, data);
if constexpr (sizeof(T) == 8)
return write_memory64(address, data);
if constexpr (sizeof(T) == 16)
return write_memory128(address, data);
if constexpr (sizeof(T) == 32)
return write_memory256(address, data);
}
bool evaluate_condition(u8 condition) const