mirrors/dynarmic
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

A64/system: Implement MSR/MRS for NZCV

Browse source
This commit is contained in:
MerryMage 2021-02-01 19:52:49 +00:00
parent 8c09da666a
commit f2345c1590
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/frontend/A64/translate/impl/system.cpp
View file

@ -21,6 +21,8 @@ enum class SystemRegisterEncoding : u32 {
FPCR = 0b11'011'0100'0100'000, FPCR = 0b11'011'0100'0100'000,
// Floating-point Status Register // Floating-point Status Register
FPSR = 0b11'011'0100'0100'001, FPSR = 0b11'011'0100'0100'001,
// NZCV, Condition Flags
NZCV = 0b11'011'0100'0010'000,
// Read/Write Software Thread ID Register // Read/Write Software Thread ID Register
TPIDR_EL0 = 0b11'011'1101'0000'010, TPIDR_EL0 = 0b11'011'1101'0000'010,
// Read-Only Software Thread ID Register // Read-Only Software Thread ID Register
@ -103,6 +105,9 @@ bool TranslatorVisitor::MSR_reg(Imm<1> o0, Imm<3> op1, Imm<4> CRn, Imm<4> CRm, I
case SystemRegisterEncoding::FPSR: case SystemRegisterEncoding::FPSR:
ir.SetFPSR(X(32, Rt)); ir.SetFPSR(X(32, Rt));
return true; return true;
case SystemRegisterEncoding::NZCV:
ir.SetNZCVRaw(X(32, Rt));
return true;
case SystemRegisterEncoding::TPIDR_EL0: case SystemRegisterEncoding::TPIDR_EL0:
ir.SetTPIDR(X(64, Rt)); ir.SetTPIDR(X(64, Rt));
return true; return true;
@ -139,6 +144,9 @@ bool TranslatorVisitor::MRS(Imm<1> o0, Imm<3> op1, Imm<4> CRn, Imm<4> CRm, Imm<3
case SystemRegisterEncoding::FPSR: case SystemRegisterEncoding::FPSR:
X(32, Rt, ir.GetFPSR()); X(32, Rt, ir.GetFPSR());
return true; return true;
case SystemRegisterEncoding::NZCV:
X(32, Rt, ir.GetNZCVRaw());
return true;
case SystemRegisterEncoding::TPIDR_EL0: case SystemRegisterEncoding::TPIDR_EL0:
X(64, Rt, ir.GetTPIDR()); X(64, Rt, ir.GetTPIDR());
return true; return true;