[Xen-changelog] [xen-unstable] [HVM] Fix MMIO LODS emulation

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
# Date 1172001769 0
# Node ID 4314691c70a211d8b8d856feec3c554423609cec
# Parent  e7994a122aab535b7e13fd1686cc3b8ce5d4552a
[HVM] Fix MMIO LODS emulation
Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
---
 xen/arch/x86/hvm/io.c       |    1 +
 xen/arch/x86/hvm/platform.c |    1 +
 2 files changed, 2 insertions(+)

diff -r e7994a122aab -r 4314691c70a2 xen/arch/x86/hvm/io.c
--- a/xen/arch/x86/hvm/io.c     Tue Feb 20 17:05:50 2007 +0000
+++ b/xen/arch/x86/hvm/io.c     Tue Feb 20 20:02:49 2007 +0000
@@ -533,6 +533,7 @@ static void hvm_mmio_assist(struct cpu_u
         break;
 
     case INSTR_LODS:
+        set_reg_value(size, 0, 0, regs, p->data);
         sign = p->df ? -1 : 1;
         regs->esi += sign * p->count * p->size;
         if (mmio_opp->flags & REPZ)
diff -r e7994a122aab -r 4314691c70a2 xen/arch/x86/hvm/platform.c
--- a/xen/arch/x86/hvm/platform.c       Tue Feb 20 17:05:50 2007 +0000
+++ b/xen/arch/x86/hvm/platform.c       Tue Feb 20 20:02:49 2007 +0000
@@ -1136,6 +1136,7 @@ void handle_mmio(unsigned long gpa)
          * Since the source is always in (contiguous) mmio space we don't
          * need to break it up into pages.
          */
+        mmio_op->operand[0] = mk_operand(op_size, 0, 0, REGISTER);
         send_mmio_req(IOREQ_TYPE_COPY, gpa,
                       GET_REPEAT_COUNT(), op_size, 0, IOREQ_READ, df, 0);
         break;

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