From: John Hodge <tpg@ucc.asn.au>
Date: Sun, 1 Apr 2012 02:32:31 +0000 (+0800)
Subject: Kernel/vm8086 - Added debugging message for 0F XX instructions
X-Git-Tag: rel0.15~711^2~4
X-Git-Url: https://git.ucc.asn.au/?p=tpg%2Facess2.git;a=commitdiff_plain;h=337eb3d287e4291e16192a524f3173937e579866

Kernel/vm8086 - Added debugging message for 0F XX instructions
---

diff --git a/KernelLand/Kernel/arch/x86/vm8086.c b/KernelLand/Kernel/arch/x86/vm8086.c
index 61348622..d93bdf18 100644
--- a/KernelLand/Kernel/arch/x86/vm8086.c
+++ b/KernelLand/Kernel/arch/x86/vm8086.c
@@ -321,6 +321,15 @@ void VM8086_GPF(tRegs *Regs)
 		}
 		break;
 	
+	case 0x0F:
+		opcode = *(Uint8*)( (Regs->cs*16) + (Regs->eip&0xFFFF));
+		Log_Error("VM8086", "Error - Unknown opcode 0F %02x caused a GPF at %04x:%04x",
+			opcode, Regs->cs, Regs->eip);
+		// Force an end to the call
+		Regs->cs = VM8086_MAGIC_CS;
+		Regs->eip = VM8086_MAGIC_IP;
+		break;
+
 	default:
 		Log_Error("VM8086", "Error - Unknown opcode %02x caused a GPF at %04x:%04x",
 			opcode, Regs->cs, Regs->eip);