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video_core/macro_jit_x64: warn on invalid parameter access

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This commit is contained in:
Liam 2022-05-08 02:48:03 -04:00
parent 18a0c2e9db
commit 7fe5004f90
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 Tegra {
namespace { namespace {
constexpr Xbyak::Reg64 STATE = Xbyak::util::rbx; 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::Reg64 PARAMETERS = Xbyak::util::r12;
constexpr Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d; constexpr Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d;
constexpr Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15; 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({ constexpr std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({
STATE, STATE,
RESULT, RESULT,
MAX_PARAMETER,
PARAMETERS, PARAMETERS,
METHOD_ADDRESS, METHOD_ADDRESS,
BRANCH_HOLDER, BRANCH_HOLDER,
@ -80,7 +82,7 @@ private:
u32 carry_flag{}; u32 carry_flag{};
}; };
static_assert(offsetof(JITState, maxwell3d) == 0, "Maxwell3D is not at 0x0"); 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 { struct OptimizerState {
bool can_skip_carry{}; bool can_skip_carry{};
@ -112,7 +114,7 @@ void MacroJITx64Impl::Execute(const std::vector<u32>& parameters, u32 method) {
JITState state{}; JITState state{};
state.maxwell3d = &maxwell3d; state.maxwell3d = &maxwell3d;
state.registers = {}; state.registers = {};
program(&state, parameters.data()); program(&state, parameters.data(), parameters.data() + parameters.size());
} }
void MacroJITx64Impl::Compile_ALU(Macro::Opcode opcode) { void MacroJITx64Impl::Compile_ALU(Macro::Opcode opcode) {
@ -488,6 +490,7 @@ void MacroJITx64Impl::Compile() {
// JIT state // JIT state
mov(STATE, Common::X64::ABI_PARAM1); mov(STATE, Common::X64::ABI_PARAM1);
mov(PARAMETERS, Common::X64::ABI_PARAM2); mov(PARAMETERS, Common::X64::ABI_PARAM2);
mov(MAX_PARAMETER, Common::X64::ABI_PARAM3);
xor_(RESULT, RESULT); xor_(RESULT, RESULT);
xor_(METHOD_ADDRESS, METHOD_ADDRESS); xor_(METHOD_ADDRESS, METHOD_ADDRESS);
xor_(BRANCH_HOLDER, BRANCH_HOLDER); xor_(BRANCH_HOLDER, BRANCH_HOLDER);
@ -598,7 +601,22 @@ bool MacroJITx64Impl::Compile_NextInstruction() {
return true; 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::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]); mov(eax, dword[PARAMETERS]);
add(PARAMETERS, sizeof(u32)); add(PARAMETERS, sizeof(u32));
return eax; return eax;