From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH 2/6] test: add intercepted and unintercepted cr3 read tests for svm Date: Wed, 28 Jul 2010 19:25:47 +0300 Message-ID: <1280334351-6395-3-git-send-email-avi@redhat.com> References: <1280334351-6395-1-git-send-email-avi@redhat.com> To: Joerg Roedel , Marcelo Tosatti , kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:58007 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755498Ab0G1QZy (ORCPT ); Wed, 28 Jul 2010 12:25:54 -0400 In-Reply-To: <1280334351-6395-1-git-send-email-avi@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: Avi Kivity --- kvm/test/x86/svm.c | 26 +++++++++++++++++++++++++- 1 files changed, 25 insertions(+), 1 deletions(-) diff --git a/kvm/test/x86/svm.c b/kvm/test/x86/svm.c index 5bb64ff..222356d 100644 --- a/kvm/test/x86/svm.c +++ b/kvm/test/x86/svm.c @@ -146,12 +146,36 @@ static bool check_vmrun(struct test *test) return test->vmcb->control.exit_code == SVM_EXIT_VMRUN; } +static void prepare_cr3_intercept(struct test *test) +{ + default_prepare(test); + test->vmcb->control.intercept_cr_read |= 1 << 3; +} + +static void test_cr3_intercept(struct test *test) +{ + asm volatile ("mov %%cr3, %0" : "=r"(test->scratch) : : "memory"); +} + +static bool check_cr3_intercept(struct test *test) +{ + return test->vmcb->control.exit_code == SVM_EXIT_READ_CR3; +} + +static bool check_cr3_nointercept(struct test *test) +{ + return null_check(test) && test->scratch == read_cr3(); +} + static struct test tests[] = { { "null", default_prepare, null_test, default_finished, null_check }, { "vmrun", default_prepare, test_vmrun, default_finished, check_vmrun }, { "vmrun intercept check", prepare_no_vmrun_int, null_test, default_finished, check_no_vmrun_int }, - + { "cr3 read intercept", prepare_cr3_intercept, test_cr3_intercept, + default_finished, check_cr3_intercept }, + { "cr3 read nointercept", default_prepare, test_cr3_intercept, + default_finished, check_cr3_nointercept }, }; int main(int ac, char **av) -- 1.7.1