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Merge pull request #8319 from liamwhite/macro-warn

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video_core/macro_jit_x64: warn on invalid parameter access
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Mai M 2022-05-08 04:58:33 -04:00 committed by GitHub
commit 4087f1d10f
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 3 deletions
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24
src/video_core/macro/macro_jit_x64.cpp
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@ -23,7 +23,8 @@ MICROPROFILE_DEFINE(MacroJitExecute, "GPU", "Execute macro JIT", MP_RGB(255, 255
namespace Tegra {
namespace {
constexpr Xbyak::Reg64 STATE = Xbyak::util::rbx;
constexpr Xbyak::Reg32 RESULT = Xbyak::util::ebp;
constexpr Xbyak::Reg32 RESULT = Xbyak::util::r10d;
constexpr Xbyak::Reg64 MAX_PARAMETER = Xbyak::util::r11;
constexpr Xbyak::Reg64 PARAMETERS = Xbyak::util::r12;
constexpr Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d;
constexpr Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15;
@ -31,6 +32,7 @@ constexpr Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15;
constexpr std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({
STATE,
RESULT,
MAX_PARAMETER,
PARAMETERS,
METHOD_ADDRESS,
BRANCH_HOLDER,
@ -80,7 +82,7 @@ private:
u32 carry_flag{};
};
static_assert(offsetof(JITState, maxwell3d) == 0, "Maxwell3D is not at 0x0");
using ProgramType = void (*)(JITState*, const u32*);
using ProgramType = void (*)(JITState*, const u32*, const u32*);
struct OptimizerState {
bool can_skip_carry{};
@ -112,7 +114,7 @@ void MacroJITx64Impl::Execute(const std::vector<u32>& parameters, u32 method) {
JITState state{};
state.maxwell3d = &maxwell3d;
state.registers = {};
program(&state, parameters.data());
program(&state, parameters.data(), parameters.data() + parameters.size());
}
void MacroJITx64Impl::Compile_ALU(Macro::Opcode opcode) {
@ -488,6 +490,7 @@ void MacroJITx64Impl::Compile() {
// JIT state
mov(STATE, Common::X64::ABI_PARAM1);
mov(PARAMETERS, Common::X64::ABI_PARAM2);
mov(MAX_PARAMETER, Common::X64::ABI_PARAM3);
xor_(RESULT, RESULT);
xor_(METHOD_ADDRESS, METHOD_ADDRESS);
xor_(BRANCH_HOLDER, BRANCH_HOLDER);
@ -598,7 +601,22 @@ bool MacroJITx64Impl::Compile_NextInstruction() {
return true;
}
static void WarnInvalidParameter(uintptr_t parameter, uintptr_t max_parameter) {
LOG_CRITICAL(HW_GPU,
"Macro JIT: invalid parameter access 0x{:x} (0x{:x} is the last parameter)",
parameter, max_parameter - sizeof(u32));
}
Xbyak::Reg32 MacroJITx64Impl::Compile_FetchParameter() {
Xbyak::Label parameter_ok{};
cmp(PARAMETERS, MAX_PARAMETER);
jb(parameter_ok, T_NEAR);
Common::X64::ABI_PushRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
mov(Common::X64::ABI_PARAM1, PARAMETERS);
mov(Common::X64::ABI_PARAM2, MAX_PARAMETER);
Common::X64::CallFarFunction(*this, &WarnInvalidParameter);
Common::X64::ABI_PopRegistersAndAdjustStack(*this, PersistentCallerSavedRegs(), 0);
L(parameter_ok);
mov(eax, dword[PARAMETERS]);
add(PARAMETERS, sizeof(u32));
return eax;