diff options
Diffstat (limited to 'src/arch/x86/isa/microops/regop.isa')
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index 6935c780d..dfa10587a 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -1247,9 +1247,18 @@ let {{ SegDescriptor desc = SrcReg1; SegSelector selector = SrcReg2; if (selector.si || selector.ti) { + if (!desc.p) + panic("Segment not present.\\n"); SegAttr attr = 0; attr.dpl = desc.dpl; + attr.unusable = 0; attr.defaultSize = desc.d; + attr.longMode = desc.l; + attr.avl = desc.avl; + attr.granularity = desc.g; + attr.present = desc.p; + attr.system = desc.s; + attr.type = desc.type; if (!desc.s) { // The expand down bit happens to be set for gates. if (desc.type.e) { @@ -1257,12 +1266,12 @@ let {{ } attr.readable = 1; attr.writable = 1; + attr.expandDown = 0; } else { - if (!desc.p) - panic("Segment not present.\\n"); if (desc.type.codeOrData) { + attr.expandDown = 0; attr.readable = desc.type.r; - attr.longMode = desc.l; + attr.writable = 0; } else { attr.expandDown = desc.type.e; attr.readable = 1; |