From: Keir Fraser <keir@xensource.com>
Date: Sat, 22 Sep 2007 08:39:18 +0000 (+0100)
Subject: vmxassist: Emulate HLT.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14937^2~42
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=d68181c014cb8c33a8cbdeef2024377c48d9cb7f;p=xen.git

vmxassist: Emulate HLT.
Signed-off-by: Keir Fraser <keir@xensource.com>
---

diff --git a/tools/firmware/vmxassist/vm86.c b/tools/firmware/vmxassist/vm86.c
index 0ac9ed51df..772af1bf8c 100644
--- a/tools/firmware/vmxassist/vm86.c
+++ b/tools/firmware/vmxassist/vm86.c
@@ -1622,6 +1622,11 @@ opcode(struct regs *regs)
 			TRACE((regs, regs->eip - eip, "lock"));
 			continue;
 
+		case 0xF4: /* hlt */
+			TRACE((regs, regs->eip - eip, "hlt"));
+			/* Do something power-saving here! */
+			return OPC_EMULATED;
+
 		case 0xF6: /* addr32 testb $imm, r/m8 */
 			if (!(prefix & ADDR32))
 				goto invalid;