[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 3fd615097e7a1fc9c14d2c8ea5b7a847dd38bd76..0cd0e23090e3271f529f5709ae4a4eeaba4a4df9 100644 (file)
--- 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;
        }