From: kaf24@localhost.localdomain <kaf24@localhost.localdomain>
Date: Sat, 11 Nov 2006 01:16:40 +0000 (+0000)
Subject: [VMXASSIST] Support all data segments in mov_to_seg().
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15551^2~21
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=b991dfcee512632c22d45a41b58b14c4ddc0630b;p=xen.git

[VMXASSIST] Support all data segments in mov_to_seg().

This patch lets Plan9 crash at the same location before the original
patch by Stephen Tweedie.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
---

diff --git a/tools/firmware/vmxassist/vm86.c b/tools/firmware/vmxassist/vm86.c
index 3fd615097e..0cd0e23090 100644
--- a/tools/firmware/vmxassist/vm86.c
+++ b/tools/firmware/vmxassist/vm86.c
@@ -829,15 +829,33 @@ mov_to_seg(struct regs *regs, unsigned prefix, unsigned opc)
 		goto fail;
 
 	switch ((modrm & 0x38) >> 3) {
+	case 0: /* es */
+		regs->ves = getreg16(regs, modrm);
+		saved_rm_regs.ves = 0;
+		oldctx.es_sel = regs->ves;
+		return 1;
+
+	/* case 1: cs */
+
+	case 2: /* ss */
+		regs->uss = getreg16(regs, modrm);
+		saved_rm_regs.uss = 0;
+		oldctx.ss_sel = regs->uss;
+		return 1;
 	case 3: /* ds */
 		regs->vds = getreg16(regs, modrm);
 		saved_rm_regs.vds = 0;
 		oldctx.ds_sel = regs->vds;
 		return 1;
-	case 0: /* es */
-		regs->ves = getreg16(regs, modrm);
-		saved_rm_regs.ves = 0;
-		oldctx.es_sel = regs->ves;
+	case 4: /* fs */
+		regs->vfs = getreg16(regs, modrm);
+		saved_rm_regs.vfs = 0;
+		oldctx.fs_sel = regs->vfs;
+		return 1;
+	case 5: /* gs */
+		regs->vgs = getreg16(regs, modrm);
+		saved_rm_regs.vgs = 0;
+		oldctx.gs_sel = regs->vgs;
 		return 1;
 	}