From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: [PATCH 03/21] arm: implement VGCF_online Date: Fri, 5 Oct 2012 10:38:09 +0000 Message-ID: <1349433507-21148-3-git-send-email-ian.campbell@citrix.com> References: <1349433418.20946.46.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1349433418.20946.46.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: tim@xen.org, Ian Campbell , stefano.stabelini@citrix.com List-Id: xen-devel@lists.xenproject.org Signed-off-by: Ian Campbell Acked-by: Tim Deegan --- tools/libxc/xc_dom_arm.c | 2 ++ xen/arch/arm/domain.c | 5 ++++- xen/include/public/arch-arm.h | 4 ++++ 3 files changed, 10 insertions(+), 1 deletions(-) diff --git a/tools/libxc/xc_dom_arm.c b/tools/libxc/xc_dom_arm.c index 3eef0d0..65dafe8 100644 --- a/tools/libxc/xc_dom_arm.c +++ b/tools/libxc/xc_dom_arm.c @@ -101,6 +101,8 @@ static int vcpu_arm(struct xc_dom_image *dom, void *ptr) 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 --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c index 57d8746..ee58d68 100644 --- a/xen/arch/arm/domain.c +++ b/xen/arch/arm/domain.c @@ -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 --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h index f18bafa..e3d4ad9 100644 --- a/xen/include/public/arch-arm.h +++ b/xen/include/public/arch-arm.h @@ -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; -- 1.7.9.1