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a64_emit_x64: Reduce code duplication in exclusive memory code

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This commit is contained in:
MerryMage 2020-06-16 18:09:12 +01:00
parent a1c9bb94a8
commit 53422bec46
2 changed files with 89 additions and 137 deletions
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221
src/backend/x64/a64_emit_x64.cpp
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@ -5,9 +5,11 @@
#include <initializer_list>
#include <dynarmic/A64/exclusive_monitor.h>
#include <fmt/format.h>
#include <fmt/ostream.h>
#include <mp/traits/integer_of_size.h>
#include <dynarmic/A64/exclusive_monitor.h>
#include "backend/x64/a64_emit_x64.h"
#include "backend/x64/a64_jitstate.h"
@ -946,90 +948,6 @@ void A64EmitX64::EmitA64ReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.DefineValue(inst, xmm1);
}
void A64EmitX64::EmitA64ExclusiveReadMemory8(A64EmitContext& ctx, IR::Inst* inst) {
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(inst, {}, args[0]);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr) -> u8 {
return conf.global_monitor->ReadAndMark<u8>(conf.processor_id, vaddr, [&]() -> u8 {
return conf.callbacks->MemoryRead8(vaddr);
});
}
);
}
void A64EmitX64::EmitA64ExclusiveReadMemory16(A64EmitContext& ctx, IR::Inst* inst) {
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(inst, {}, args[0]);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr) -> u16 {
return conf.global_monitor->ReadAndMark<u16>(conf.processor_id, vaddr, [&]() -> u16 {
return conf.callbacks->MemoryRead16(vaddr);
});
}
);
}
void A64EmitX64::EmitA64ExclusiveReadMemory32(A64EmitContext& ctx, IR::Inst* inst) {
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(inst, {}, args[0]);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr) -> u32 {
return conf.global_monitor->ReadAndMark<u32>(conf.processor_id, vaddr, [&]() -> u32 {
return conf.callbacks->MemoryRead32(vaddr);
});
}
);
}
void A64EmitX64::EmitA64ExclusiveReadMemory64(A64EmitContext& ctx, IR::Inst* inst) {
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.HostCall(inst, {}, args[0]);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr) -> u64 {
return conf.global_monitor->ReadAndMark<u64>(conf.processor_id, vaddr, [&]() -> u64 {
return conf.callbacks->MemoryRead64(vaddr);
});
}
);
}
void A64EmitX64::EmitA64ExclusiveReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
ctx.reg_alloc.Use(args[0], ABI_PARAM2);
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.sub(rsp, 16 + ABI_SHADOW_SPACE);
code.lea(code.ABI_PARAM3, ptr[rsp + ABI_SHADOW_SPACE]);
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr, A64::Vector& ret) {
ret = conf.global_monitor->ReadAndMark<A64::Vector>(conf.processor_id, vaddr, [&]() -> A64::Vector {
return conf.callbacks->MemoryRead128(vaddr);
});
}
);
code.movups(result, xword[rsp + ABI_SHADOW_SPACE]);
code.add(rsp, 16 + ABI_SHADOW_SPACE);
ctx.reg_alloc.DefineValue(inst, result);
}
void A64EmitX64::EmitA64WriteMemory8(A64EmitContext& ctx, IR::Inst* inst) {
if (conf.page_table) {
EmitDirectPageTableMemoryWrite(ctx, inst, 8);
@ -1102,11 +1020,75 @@ void A64EmitX64::EmitA64WriteMemory128(A64EmitContext& ctx, IR::Inst* inst) {
code.CallFunction(memory_write_128);
}
void A64EmitX64::EmitExclusiveWrite(A64EmitContext& ctx, IR::Inst* inst, size_t bitsize) {
template<std::size_t bitsize, auto callback>
void A64EmitX64::EmitExclusiveReadMemory(A64EmitContext& ctx, IR::Inst* inst) {
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (bitsize != 128) {
if constexpr (bitsize != 128) {
using T = mp::unsigned_integer_of_size<bitsize>;
ctx.reg_alloc.HostCall(inst, {}, args[0]);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr) -> T {
return conf.global_monitor->ReadAndMark<T>(conf.processor_id, vaddr, [&]() -> T {
return (conf.callbacks->*callback)(vaddr);
});
}
);
} else {
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
ctx.reg_alloc.Use(args[0], ABI_PARAM2);
ctx.reg_alloc.EndOfAllocScope();
ctx.reg_alloc.HostCall(nullptr);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(1));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
code.sub(rsp, 16 + ABI_SHADOW_SPACE);
code.lea(code.ABI_PARAM3, ptr[rsp + ABI_SHADOW_SPACE]);
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr, A64::Vector& ret) {
ret = conf.global_monitor->ReadAndMark<A64::Vector>(conf.processor_id, vaddr, [&]() -> A64::Vector {
return (conf.callbacks->*callback)(vaddr);
});
}
);
code.movups(result, xword[rsp + ABI_SHADOW_SPACE]);
code.add(rsp, 16 + ABI_SHADOW_SPACE);
ctx.reg_alloc.DefineValue(inst, result);
}
}
void A64EmitX64::EmitA64ExclusiveReadMemory8(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveReadMemory<8, &A64::UserCallbacks::MemoryRead8>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveReadMemory16(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveReadMemory<16, &A64::UserCallbacks::MemoryRead16>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveReadMemory32(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveReadMemory<32, &A64::UserCallbacks::MemoryRead32>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveReadMemory64(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveReadMemory<64, &A64::UserCallbacks::MemoryRead64>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveReadMemory<128, &A64::UserCallbacks::MemoryRead128>(ctx, inst);
}
template<std::size_t bitsize, auto callback>
void A64EmitX64::EmitExclusiveWriteMemory(A64EmitContext& ctx, IR::Inst* inst) {
ASSERT(conf.global_monitor != nullptr);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if constexpr (bitsize != 128) {
ctx.reg_alloc.HostCall(inst, {}, args[0], args[1]);
} else {
ctx.reg_alloc.Use(args[0], ABI_PARAM2);
@ -1122,48 +1104,18 @@ void A64EmitX64::EmitExclusiveWrite(A64EmitContext& ctx, IR::Inst* inst, size_t
code.je(end);
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(0));
code.mov(code.ABI_PARAM1, reinterpret_cast<u64>(&conf));
switch (bitsize) {
case 8:
if constexpr (bitsize != 128) {
using T = mp::unsigned_integer_of_size<bitsize>;
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr, u8 value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<u8>(conf.processor_id, vaddr,
[&](u8 expected) -> bool {
return conf.callbacks->MemoryWriteExclusive8(vaddr, value, expected);
}) ? 0 : 1;
[](A64::UserConfig& conf, u64 vaddr, T value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<T>(conf.processor_id, vaddr,
[&](T expected) -> bool {
return (conf.callbacks->*callback)(vaddr, value, expected);
}) ? 0 : 1;
}
);
break;
case 16:
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr, u16 value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<u16>(conf.processor_id, vaddr,
[&](u16 expected) -> bool {
return conf.callbacks->MemoryWriteExclusive16(vaddr, value, expected);
}) ? 0 : 1;
}
);
break;
case 32:
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr, u32 value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<u32>(conf.processor_id, vaddr,
[&](u32 expected) -> bool {
return conf.callbacks->MemoryWriteExclusive32(vaddr, value, expected);
}) ? 0 : 1;
}
);
break;
case 64:
code.CallLambda(
[](A64::UserConfig& conf, u64 vaddr, u64 value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<u64>(conf.processor_id, vaddr,
[&](u64 expected) -> bool {
return conf.callbacks->MemoryWriteExclusive64(vaddr, value, expected);
}) ? 0 : 1;
}
);
break;
case 128:
} else {
code.sub(rsp, 16 + ABI_SHADOW_SPACE);
code.lea(code.ABI_PARAM3, ptr[rsp + ABI_SHADOW_SPACE]);
code.movaps(xword[code.ABI_PARAM3], xmm1);
@ -1171,36 +1123,33 @@ void A64EmitX64::EmitExclusiveWrite(A64EmitContext& ctx, IR::Inst* inst, size_t
[](A64::UserConfig& conf, u64 vaddr, A64::Vector& value) -> u32 {
return conf.global_monitor->DoExclusiveOperation<A64::Vector>(conf.processor_id, vaddr,
[&](A64::Vector expected) -> bool {
return conf.callbacks->MemoryWriteExclusive128(vaddr, value, expected);
}) ? 0 : 1;
return (conf.callbacks->*callback)(vaddr, value, expected);
}) ? 0 : 1;
}
);
code.add(rsp, 16 + ABI_SHADOW_SPACE);
break;
default:
UNREACHABLE();
}
code.L(end);
}
void A64EmitX64::EmitA64ExclusiveWriteMemory8(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveWrite(ctx, inst, 8);
EmitExclusiveWriteMemory<8, &A64::UserCallbacks::MemoryWriteExclusive8>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveWriteMemory16(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveWrite(ctx, inst, 16);
EmitExclusiveWriteMemory<16, &A64::UserCallbacks::MemoryWriteExclusive16>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveWriteMemory32(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveWrite(ctx, inst, 32);
EmitExclusiveWriteMemory<32, &A64::UserCallbacks::MemoryWriteExclusive32>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveWriteMemory64(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveWrite(ctx, inst, 64);
EmitExclusiveWriteMemory<64, &A64::UserCallbacks::MemoryWriteExclusive64>(ctx, inst);
}
void A64EmitX64::EmitA64ExclusiveWriteMemory128(A64EmitContext& ctx, IR::Inst* inst) {
EmitExclusiveWrite(ctx, inst, 128);
EmitExclusiveWriteMemory<128, &A64::UserCallbacks::MemoryWriteExclusive128>(ctx, inst);
}
std::string A64EmitX64::LocationDescriptorToFriendlyName(const IR::LocationDescriptor& ir_descriptor) const {

5
src/backend/x64/a64_emit_x64.h
View file

@ -81,7 +81,10 @@ protected:
void EmitDirectPageTableMemoryRead(A64EmitContext& ctx, IR::Inst* inst, size_t bitsize);
void EmitDirectPageTableMemoryWrite(A64EmitContext& ctx, IR::Inst* inst, size_t bitsize);
void EmitExclusiveWrite(A64EmitContext& ctx, IR::Inst* inst, size_t bitsize);
template<std::size_t bitsize, auto callback>
void EmitExclusiveReadMemory(A64EmitContext& ctx, IR::Inst* inst);
template<std::size_t bitsize, auto callback>
void EmitExclusiveWriteMemory(A64EmitContext& ctx, IR::Inst* inst);
// Microinstruction emitters
void EmitPushRSB(EmitContext& ctx, IR::Inst* inst);