[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 1/6] pvh: domu construct vmcb 64 bit mode start
From: Elena Ufimtseva <elena.ufimtseva@xxxxxxxxxx> Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> --- xen/arch/x86/hvm/svm/vmcb.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/xen/arch/x86/hvm/svm/vmcb.c b/xen/arch/x86/hvm/svm/vmcb.c index 6339d2a..70a6588 100644 --- a/xen/arch/x86/hvm/svm/vmcb.c +++ b/xen/arch/x86/hvm/svm/vmcb.c @@ -162,7 +162,12 @@ static int construct_vmcb(struct vcpu *v) vmcb->ds.attr.bytes = 0xc93; vmcb->fs.attr.bytes = 0xc93; vmcb->gs.attr.bytes = 0xc93; - vmcb->cs.attr.bytes = 0xc9b; /* exec/read, accessed */ + + if ( is_pvh_vcpu(v) ) + /* CS.L == 1, exec, read/write, accessed. PVH 32bitfixme. */ + vmcb->cs.attr.bytes = 0xa9b; + else + vmcb->cs.attr.bytes = 0xc9b; /* exec/read, accessed */ /* Guest IDT. */ vmcb->idtr.base = 0; @@ -184,12 +189,17 @@ static int construct_vmcb(struct vcpu *v) vmcb->tr.limit = 0xff; v->arch.hvm_vcpu.guest_cr[0] = X86_CR0_PE | X86_CR0_ET; + /* PVH domains start in paging mode */ + if ( is_pvh_vcpu(v) ) + v->arch.hvm_vcpu.guest_cr[0] |= X86_CR0_PG; hvm_update_guest_cr(v, 0); - v->arch.hvm_vcpu.guest_cr[4] = 0; + v->arch.hvm_vcpu.guest_cr[4] = is_pvh_vcpu(v) ? X86_CR4_PAE : 0; hvm_update_guest_cr(v, 4); - paging_update_paging_modes(v); + /* For pvh, paging mode is updated by arch_set_info_guest(). */ + if ( is_hvm_vcpu(v) ) + paging_update_paging_modes(v); vmcb->_exception_intercepts = HVM_TRAP_MASK -- 1.9.3 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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