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system: Implement MRS CNTFRQ_EL0

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This commit is contained in:
MerryMage 2018-08-16 09:58:34 +01:00
parent f91a9f18cd
commit d1d6f4feb5
7 changed files with 50 additions and 26 deletions
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26
src/backend_x64/a64_emit_x64.cpp
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@ -538,6 +538,12 @@ void A64EmitX64::EmitA64DataMemoryBarrier(A64EmitContext&, IR::Inst*) {
code.lfence();
}
void A64EmitX64::EmitA64GetCNTFRQ(A64EmitContext& ctx, IR::Inst* inst) {
Xbyak::Reg32 result = ctx.reg_alloc.ScratchGpr().cvt32();
code.mov(result, conf.cntfrq_el0);
ctx.reg_alloc.DefineValue(inst, result);
}
void A64EmitX64::EmitA64GetCNTPCT(A64EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.HostCall(inst);
code.UpdateTicks();
@ -567,16 +573,6 @@ void A64EmitX64::EmitA64GetTPIDR(A64EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.DefineValue(inst, result);
}
void A64EmitX64::EmitA64SetTPIDR(A64EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Xbyak::Reg64 value = ctx.reg_alloc.UseGpr(args[0]);
Xbyak::Reg64 addr = ctx.reg_alloc.ScratchGpr();
if (conf.tpidr_el0) {
code.mov(addr, u64(conf.tpidr_el0));
code.mov(qword[addr], value);
}
}
void A64EmitX64::EmitA64GetTPIDRRO(A64EmitContext& ctx, IR::Inst* inst) {
Xbyak::Reg64 result = ctx.reg_alloc.ScratchGpr();
if (conf.tpidrro_el0) {
@ -588,6 +584,16 @@ void A64EmitX64::EmitA64GetTPIDRRO(A64EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.DefineValue(inst, result);
}
void A64EmitX64::EmitA64SetTPIDR(A64EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Xbyak::Reg64 value = ctx.reg_alloc.UseGpr(args[0]);
Xbyak::Reg64 addr = ctx.reg_alloc.ScratchGpr();
if (conf.tpidr_el0) {
code.mov(addr, u64(conf.tpidr_el0));
code.mov(qword[addr], value);
}
}
void A64EmitX64::EmitA64ClearExclusive(A64EmitContext&, IR::Inst*) {
code.mov(code.byte[r15 + offsetof(A64JitState, exclusive_state)], u8(0));
}