[Xen-changelog] [xen-unstable] arm: implement VGCF_online

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1349791531 -3600
# Node ID ea1e095a6032ac10b96492b6b6a6904e2bb5a0d6
# Parent  034ea69233fe5f8d35c91ce77920e3f397bd93f4
arm: implement VGCF_online

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Tim Deegan <tim@xxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r 034ea69233fe -r ea1e095a6032 tools/libxc/xc_dom_arm.c
--- a/tools/libxc/xc_dom_arm.c  Tue Oct 09 15:05:30 2012 +0100
+++ b/tools/libxc/xc_dom_arm.c  Tue Oct 09 15:05:31 2012 +0100
@@ -101,6 +101,8 @@ static int vcpu_arm(struct xc_dom_image 
 
     ctxt->user_regs.cpsr = PSR_ABT_MASK|PSR_FIQ_MASK|PSR_IRQ_MASK|PSR_MODE_SVC;
 
+    ctxt->flags = VGCF_online;
+
     DOMPRINTF("Initial state CPSR %#"PRIx32" PC %#"PRIx32,
            ctxt->user_regs.cpsr, ctxt->user_regs.pc);
 
diff -r 034ea69233fe -r ea1e095a6032 xen/arch/arm/domain.c
--- a/xen/arch/arm/domain.c     Tue Oct 09 15:05:30 2012 +0100
+++ b/xen/arch/arm/domain.c     Tue Oct 09 15:05:31 2012 +0100
@@ -503,7 +503,10 @@ int arch_set_info_guest(
     v->arch.ttbr1 = ctxt->ttbr1;
     v->arch.ttbcr = ctxt->ttbcr;
 
-    clear_bit(_VPF_down, &v->pause_flags);
+    if ( ctxt->flags & VGCF_online )
+        clear_bit(_VPF_down, &v->pause_flags);
+    else
+        set_bit(_VPF_down, &v->pause_flags);
 
     return 0;
 }
diff -r 034ea69233fe -r ea1e095a6032 xen/include/public/arch-arm.h
--- a/xen/include/public/arch-arm.h     Tue Oct 09 15:05:30 2012 +0100
+++ b/xen/include/public/arch-arm.h     Tue Oct 09 15:05:31 2012 +0100
@@ -125,6 +125,10 @@ typedef uint64_t xen_pfn_t;
 typedef uint32_t xen_ulong_t;
 
 struct vcpu_guest_context {
+#define _VGCF_online                   0
+#define VGCF_online                    (1<<_VGCF_online)
+    uint32_t flags;                         /* VGCF_* */
+
     struct cpu_user_regs user_regs;         /* User-level CPU registers     */
 
     uint32_t sctlr;

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