diff options
Diffstat (limited to 'src/arch/x86/isa')
| -rw-r--r-- | src/arch/x86/isa/insts/data_transfer/stack_operations.py | 19 | ||||
| -rw-r--r-- | src/arch/x86/isa/microops/limmop.isa | 6 |
2 files changed, 13 insertions, 12 deletions
diff --git a/src/arch/x86/isa/insts/data_transfer/stack_operations.py b/src/arch/x86/isa/insts/data_transfer/stack_operations.py index 889e7b88b..1c13b44b4 100644 --- a/src/arch/x86/isa/insts/data_transfer/stack_operations.py +++ b/src/arch/x86/isa/insts/data_transfer/stack_operations.py @@ -85,8 +85,10 @@ def macroop PUSH_R { # Make the default data size of pops 64 bits in 64 bit mode .adjust_env oszIn64Override + # This needs to work slightly differently from the other versions of push + # because the -original- version of the stack pointer is what gets pushed + st reg, ss, [0, t0, rsp], "-env.dataSize" subi rsp, rsp, dsz - st reg, ss, [0, t0, rsp] }; def macroop PUSH_I { @@ -130,14 +132,13 @@ def macroop PUSHA { }; def macroop POPA { - st rdi, ss, [0, t0, rsp], "0 * env.dataSize" - st rsi, ss, [0, t0, rsp], "1 * env.dataSize" - st rbp, ss, [0, t0, rsp], "2 * env.dataSize" - st rsp, ss, [0, t0, rsp], "3 * env.dataSize" - st rbx, ss, [0, t0, rsp], "4 * env.dataSize" - st rdx, ss, [0, t0, rsp], "5 * env.dataSize" - st rcx, ss, [0, t0, rsp], "6 * env.dataSize" - st rax, ss, [0, t0, rsp], "7 * env.dataSize" + ld rdi, ss, [0, t0, rsp], "0 * env.dataSize" + ld rsi, ss, [0, t0, rsp], "1 * env.dataSize" + ld rbp, ss, [0, t0, rsp], "2 * env.dataSize" + ld rbx, ss, [0, t0, rsp], "4 * env.dataSize" + ld rdx, ss, [0, t0, rsp], "5 * env.dataSize" + ld rcx, ss, [0, t0, rsp], "6 * env.dataSize" + ld rax, ss, [0, t0, rsp], "7 * env.dataSize" addi rsp, rsp, "8 * env.dataSize" }; ''' diff --git a/src/arch/x86/isa/microops/limmop.isa b/src/arch/x86/isa/microops/limmop.isa index 37180d7fa..ec68c36dc 100644 --- a/src/arch/x86/isa/microops/limmop.isa +++ b/src/arch/x86/isa/microops/limmop.isa @@ -142,12 +142,12 @@ def template MicroLimmOpConstructor {{ let {{ class LimmOp(X86Microop): - def __init__(self, dest, imm): + def __init__(self, dest, imm, dataSize="env.dataSize"): self.className = "Limm" self.mnemonic = "limm" self.dest = dest self.imm = imm - self.dataSize = "env.dataSize" + self.dataSize = dataSize def getAllocator(self, *microFlags): allocator = '''new %(class_name)s(machInst, mnemonic @@ -165,7 +165,7 @@ let {{ let {{ # Build up the all register version of this micro op iop = InstObjParams("limm", "Limm", 'X86MicroopBase', - {"code" : "DestReg = imm;"}) + {"code" : "DestReg = merge(DestReg, imm, dataSize);"}) header_output += MicroLimmOpDeclare.subst(iop) decoder_output += MicroLimmOpConstructor.subst(iop) decoder_output += MicroLimmOpDisassembly.subst(iop) |