diff options
Diffstat (limited to 'src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py')
-rw-r--r-- | src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py b/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py index dbb6c34c4..87e9ef03a 100644 --- a/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py +++ b/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py @@ -53,18 +53,22 @@ # # Authors: Gabe Black -microcode = "" -#let {{ -# class POPF(Inst): -# "GenFault ${new UnimpInstFault}" -# class POPFD(Inst): -# "GenFault ${new UnimpInstFault}" -# class POPFQ(Inst): -# "GenFault ${new UnimpInstFault}" -# class PUSHF(Inst): -# "GenFault ${new UnimpInstFault}" -# class PUSHFD(Inst): -# "GenFault ${new UnimpInstFault}" -# class pushfq(Inst): -# "GenFault ${new UnimpInstFault}" -#}}; +microcode = ''' +def macroop PUSHF { + .adjust_env oszIn64Override + + # This should really read the whole flags register, not just user flags. + ruflags t1 + st t1, ss, [1, t0, rsp], "-env.dataSize" + subi rsp, rsp, dsz +}; + +def macroop POPF { + .adjust_env oszIn64Override + + ld t1, ss, [1, t0, rsp] + addi rsp, rsp, dsz + # This should really write the whole flags register, not just user flags. + wruflags t1, t0 +}; +''' |