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a64_emit_x64: Add conf to A64EmitContext

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This commit is contained in:
MerryMage 2018-02-18 13:00:41 +00:00
parent 1311f67b4a
commit a3df46a75a
2 changed files with 15 additions and 13 deletions
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24
src/backend_x64/a64_emit_x64.cpp
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@ -32,8 +32,8 @@ namespace Dynarmic::BackendX64 {
using namespace Xbyak::util; using namespace Xbyak::util;
A64EmitContext::A64EmitContext(RegAlloc& reg_alloc, IR::Block& block) A64EmitContext::A64EmitContext(const A64::UserConfig& conf, RegAlloc& reg_alloc, IR::Block& block)
: EmitContext(reg_alloc, block) {} : EmitContext(reg_alloc, block), conf(conf) {}
A64::LocationDescriptor A64EmitContext::Location() const { A64::LocationDescriptor A64EmitContext::Location() const {
return A64::LocationDescriptor{block.Location()}; return A64::LocationDescriptor{block.Location()};
@ -69,7 +69,7 @@ A64EmitX64::BlockDescriptor A64EmitX64::Emit(IR::Block& block) {
EmitCondPrelude(block); EmitCondPrelude(block);
RegAlloc reg_alloc{code, A64JitState::SpillCount, SpillToOpArg<A64JitState>}; RegAlloc reg_alloc{code, A64JitState::SpillCount, SpillToOpArg<A64JitState>};
A64EmitContext ctx{reg_alloc, block}; A64EmitContext ctx{conf, reg_alloc, block};
for (auto iter = block.begin(); iter != block.end(); ++iter) { for (auto iter = block.begin(); iter != block.end(); ++iter) {
IR::Inst* inst = &*iter; IR::Inst* inst = &*iter;
@ -498,19 +498,19 @@ void A64EmitX64::EmitA64SetExclusive(A64EmitContext& ctx, IR::Inst* inst) {
code.mov(qword[r15 + offsetof(A64JitState, exclusive_address)], address); code.mov(qword[r15 + offsetof(A64JitState, exclusive_address)], address);
} }
static Xbyak::RegExp EmitVAddrLookup(const A64::UserConfig& conf, BlockOfCode& code, A64EmitContext& ctx, Xbyak::Label& abort, Xbyak::Reg64 vaddr, boost::optional<Xbyak::Reg64> arg_scratch = {}) { static Xbyak::RegExp EmitVAddrLookup(BlockOfCode& code, A64EmitContext& ctx, Xbyak::Label& abort, Xbyak::Reg64 vaddr, boost::optional<Xbyak::Reg64> arg_scratch = {}) {
constexpr size_t PAGE_BITS = 12; constexpr size_t PAGE_BITS = 12;
constexpr size_t PAGE_SIZE = 1 << PAGE_BITS; constexpr size_t PAGE_SIZE = 1 << PAGE_BITS;
const size_t valid_page_index_bits = conf.page_table_address_space_bits - PAGE_BITS; const size_t valid_page_index_bits = ctx.conf.page_table_address_space_bits - PAGE_BITS;
const size_t unused_top_bits = 64 - conf.page_table_address_space_bits; const size_t unused_top_bits = 64 - ctx.conf.page_table_address_space_bits;
Xbyak::Reg64 page_table = arg_scratch.value_or_eval([&]{ return ctx.reg_alloc.ScratchGpr(); }); Xbyak::Reg64 page_table = arg_scratch.value_or_eval([&]{ return ctx.reg_alloc.ScratchGpr(); });
Xbyak::Reg64 tmp = ctx.reg_alloc.ScratchGpr(); Xbyak::Reg64 tmp = ctx.reg_alloc.ScratchGpr();
code.mov(page_table, reinterpret_cast<u64>(conf.page_table)); code.mov(page_table, reinterpret_cast<u64>(ctx.conf.page_table));
code.mov(tmp, vaddr); code.mov(tmp, vaddr);
if (unused_top_bits == 0) { if (unused_top_bits == 0) {
code.shr(tmp, int(PAGE_BITS)); code.shr(tmp, int(PAGE_BITS));
} else if (conf.silently_mirror_page_table) { } else if (ctx.conf.silently_mirror_page_table) {
if (valid_page_index_bits >= 32) { if (valid_page_index_bits >= 32) {
code.shl(tmp, int(unused_top_bits)); code.shl(tmp, int(unused_top_bits));
code.shr(tmp, int(unused_top_bits + PAGE_BITS)); code.shr(tmp, int(unused_top_bits + PAGE_BITS));
@ -539,7 +539,7 @@ void A64EmitX64::EmitDirectPageTableMemoryRead(A64EmitContext& ctx, IR::Inst* in
Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]); Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]);
Xbyak::Reg64 value = ctx.reg_alloc.ScratchGpr(); Xbyak::Reg64 value = ctx.reg_alloc.ScratchGpr();
auto src_ptr = EmitVAddrLookup(conf, code, ctx, abort, vaddr, value); auto src_ptr = EmitVAddrLookup(code, ctx, abort, vaddr, value);
switch (bitsize) { switch (bitsize) {
case 8: case 8:
code.movzx(value.cvt32(), code.byte[src_ptr]); code.movzx(value.cvt32(), code.byte[src_ptr]);
@ -572,7 +572,7 @@ void A64EmitX64::EmitDirectPageTableMemoryWrite(A64EmitContext& ctx, IR::Inst* i
Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]); Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]);
Xbyak::Reg64 value = ctx.reg_alloc.UseGpr(args[1]); Xbyak::Reg64 value = ctx.reg_alloc.UseGpr(args[1]);
auto dest_ptr = EmitVAddrLookup(conf, code, ctx, abort, vaddr); auto dest_ptr = EmitVAddrLookup(code, ctx, abort, vaddr);
switch (bitsize) { switch (bitsize) {
case 8: case 8:
code.mov(code.byte[dest_ptr], value.cvt8()); code.mov(code.byte[dest_ptr], value.cvt8());
@ -648,7 +648,7 @@ void A64EmitX64::EmitA64ReadMemory128(A64EmitContext& ctx, IR::Inst* inst) {
Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]); Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]);
Xbyak::Xmm value = ctx.reg_alloc.ScratchXmm(); Xbyak::Xmm value = ctx.reg_alloc.ScratchXmm();
auto src_ptr = EmitVAddrLookup(conf, code, ctx, abort, vaddr); auto src_ptr = EmitVAddrLookup(code, ctx, abort, vaddr);
code.movups(value, xword[src_ptr]); code.movups(value, xword[src_ptr]);
code.L(end); code.L(end);
@ -720,7 +720,7 @@ void A64EmitX64::EmitA64WriteMemory128(A64EmitContext& ctx, IR::Inst* inst) {
Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]); Xbyak::Reg64 vaddr = ctx.reg_alloc.UseGpr(args[0]);
Xbyak::Xmm value = ctx.reg_alloc.UseXmm(args[1]); Xbyak::Xmm value = ctx.reg_alloc.UseXmm(args[1]);
auto dest_ptr = EmitVAddrLookup(conf, code, ctx, abort, vaddr); auto dest_ptr = EmitVAddrLookup(code, ctx, abort, vaddr);
code.movups(xword[dest_ptr], value); code.movups(xword[dest_ptr], value);
code.L(end); code.L(end);

4
src/backend_x64/a64_emit_x64.h
View file

@ -21,11 +21,13 @@ namespace Dynarmic::BackendX64 {
class RegAlloc; class RegAlloc;
struct A64EmitContext final : public EmitContext { struct A64EmitContext final : public EmitContext {
A64EmitContext(RegAlloc& reg_alloc, IR::Block& block); A64EmitContext(const A64::UserConfig& conf, RegAlloc& reg_alloc, IR::Block& block);
A64::LocationDescriptor Location() const; A64::LocationDescriptor Location() const;
bool FPSCR_RoundTowardsZero() const override; bool FPSCR_RoundTowardsZero() const override;
bool FPSCR_FTZ() const override; bool FPSCR_FTZ() const override;
bool FPSCR_DN() const override; bool FPSCR_DN() const override;
const A64::UserConfig& conf;
}; };
class A64EmitX64 final : public EmitX64 { class A64EmitX64 final : public EmitX64 {