From patchwork Wed Mar 16 15:13:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 598477 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3qQFQ94fjgz9t5T for ; Thu, 17 Mar 2016 02:14:25 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966821AbcCPPOR (ORCPT ); Wed, 16 Mar 2016 11:14:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51582 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964860AbcCPPOQ (ORCPT ); Wed, 16 Mar 2016 11:14:16 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (Postfix) with ESMTPS id 0F4F563176; Wed, 16 Mar 2016 15:14:16 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-112-23.ams2.redhat.com [10.36.112.23]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u2GFE6ki016192; Wed, 16 Mar 2016 11:14:13 -0400 From: Laurent Vivier To: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org Cc: drjones@redhat.com, thuth@redhat.com, dgibson@redhat.com, pbonzini@redhat.com, Laurent Vivier Subject: [kvm-unit-tests PATCH 2/5] powerpc: add test to check invalid instruction trap Date: Wed, 16 Mar 2016 16:13:00 +0100 Message-Id: <1458141183-27207-3-git-send-email-lvivier@redhat.com> In-Reply-To: <1458141183-27207-1-git-send-email-lvivier@redhat.com> References: <1458141183-27207-1-git-send-email-lvivier@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Wed, 16 Mar 2016 15:14:16 +0000 (UTC) Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Signed-off-by: Laurent Vivier Reviewed-by: Thomas Huth --- powerpc/Makefile.common | 5 ++++- powerpc/emulator.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ powerpc/unittests.cfg | 3 +++ 3 files changed, 53 insertions(+), 1 deletion(-) create mode 100644 powerpc/emulator.c diff --git a/powerpc/Makefile.common b/powerpc/Makefile.common index ab2caf6..257e3fb 100644 --- a/powerpc/Makefile.common +++ b/powerpc/Makefile.common @@ -7,7 +7,8 @@ tests-common = \ $(TEST_DIR)/selftest.elf \ $(TEST_DIR)/spapr_hcall.elf \ - $(TEST_DIR)/rtas.elf + $(TEST_DIR)/rtas.elf \ + $(TEST_DIR)/emulator.elf all: $(TEST_DIR)/boot_rom.bin test_cases @@ -70,3 +71,5 @@ $(TEST_DIR)/selftest.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/selftest.o $(TEST_DIR)/spapr_hcall.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/spapr_hcall.o $(TEST_DIR)/rtas.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/rtas.o + +$(TEST_DIR)/emulator.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/emulator.o diff --git a/powerpc/emulator.c b/powerpc/emulator.c new file mode 100644 index 0000000..1215c4f --- /dev/null +++ b/powerpc/emulator.c @@ -0,0 +1,46 @@ +/* + * Test some powerpc instructions + */ + +#include +#include + +static int volatile is_invalid; + +static void program_check_handler(struct pt_regs *regs, void *opaque) +{ + int *data = opaque; + + printf("Detected invalid instruction 0x%016lx: %08x\n", + regs->nip, *(uint32_t*)regs->nip); + + *data = 1; + + regs->nip += 4; +} + +static void test_illegal(void) +{ + report_prefix_push("invalid"); + + is_invalid = 0; + + asm volatile (".long 0"); + + report("exception", is_invalid); + + report_prefix_pop(); +} + +int main(void) +{ + handle_exception(0x700, program_check_handler, (void *)&is_invalid); + + report_prefix_push("emulator"); + + test_illegal(); + + report_prefix_pop(); + + return report_summary(); +} diff --git a/powerpc/unittests.cfg b/powerpc/unittests.cfg index 02b21c7..ed4fdbe 100644 --- a/powerpc/unittests.cfg +++ b/powerpc/unittests.cfg @@ -47,3 +47,6 @@ file = rtas.elf extra_params = -append "set-time-of-day" timeout = 5 groups = rtas + +[emulator] +file = emulator.elf