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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 03:42:41 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 03:42:41 -0700 |
| commit | 038225a6cae8ce1d8fc5246440b7f697eeb3c90a (patch) | |
| tree | 6130b37812c98e1c7413acee8a8ca45b5469d0dc /src/arch/x86/isa/microops/regop.isa | |
| parent | 3b1b21cb159c0368d50aa0dedd39a8874d91e735 (diff) | |
| download | gem5-038225a6cae8ce1d8fc5246440b7f697eeb3c90a.tar.xz | |
X86: Implement far jmp.
Diffstat (limited to 'src/arch/x86/isa/microops/regop.isa')
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index 35227a4fb..6935c780d 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -1102,7 +1102,12 @@ let {{ case SegNoCheck: break; case SegCSCheck: - panic("CS checks for far calls/jumps not implemented.\\n"); + // Make sure it's the right type + if (desc.s == 0 || desc.type.codeOrData != 1) { + fault = new GeneralProtection(0); + } else if (m5reg.cpl != desc.dpl) { + fault = new GeneralProtection(0); + } break; case SegCallGateCheck: panic("CS checks for far calls/jumps through call gates" |