From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33347) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZIFK-0008IL-1g for qemu-devel@nongnu.org; Fri, 26 Feb 2016 08:15:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aZIFH-0004EJ-Gw for qemu-devel@nongnu.org; Fri, 26 Feb 2016 08:15:49 -0500 Received: from mail-wm0-x22f.google.com ([2a00:1450:400c:c09::22f]:38487) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZIFH-0004EC-Ab for qemu-devel@nongnu.org; Fri, 26 Feb 2016 08:15:47 -0500 Received: by mail-wm0-x22f.google.com with SMTP id a4so69525333wme.1 for ; Fri, 26 Feb 2016 05:15:47 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Fri, 26 Feb 2016 13:15:26 +0000 Message-Id: <1456492533-17171-5-git-send-email-alex.bennee@linaro.org> In-Reply-To: <1456492533-17171-1-git-send-email-alex.bennee@linaro.org> References: <1456492533-17171-1-git-send-email-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [RFC 04/11] arm/arm64: Add IPI test List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: mttcg@listserver.greensocs.com, mark.burton@greensocs.com, fred.konrad@greensocs.com, a.rigo@virtualopensystems.com Cc: peter.maydell@linaro.org, drjones@redhat.com, a.spyridakis@virtualopensystems.com, claudio.fontana@huawei.com, qemu-devel@nongnu.org, will.deacon@arm.com, crosthwaitepeter@gmail.com, pbonzini@redhat.com, =?UTF-8?q?Alex=20Benn=C3=A9e?= , aurelien@aurel32.net, rth@twiddle.net From: Andrew Jones Signed-off-by: Andrew Jones [ajb: slight tweak to .mak file] Signed-off-by: Alex Bennée --- arm/ipi-test.c | 58 ++++++++++++++++++++++++++++++++++++++++++++ config/config-arm-common.mak | 2 ++ 2 files changed, 60 insertions(+) create mode 100644 arm/ipi-test.c diff --git a/arm/ipi-test.c b/arm/ipi-test.c new file mode 100644 index 0000000..705295f --- /dev/null +++ b/arm/ipi-test.c @@ -0,0 +1,58 @@ +/* + * Test sending an IPI and handling IRQ exceptions. + * + * Copyright (C) 2015, Red Hat Inc, Andrew Jones + * + * This work is licensed under the terms of the GNU LGPL, version 2. + */ +#include +#include +#include +#include +#include +#include + +static volatile bool ready, acked, done; + +static void irq_handler(struct pt_regs *regs __unused) +{ + gic_irq_ack(); + acked = true; +} + +static void ipi_test(void) +{ + gic_enable(); +#ifdef __arm__ + install_exception_handler(EXCPTN_IRQ, irq_handler); +#else + install_irq_handler(EL1H_IRQ, irq_handler); +#endif + local_irq_enable(); + ready = true; + wfi(); + report("IPI", acked); + done = true; + halt(); +} + +int main(void) +{ + if (nr_cpus < 2) { + printf("ipi-test requires '-smp 2'\n"); + abort(); + } + + gic_enable(); + smp_boot_secondary(1, ipi_test); + + while (!ready) + cpu_relax(); + + gic_send_sgi(1, 1); + + while (!done) + cpu_relax(); + + return report_summary(); +} diff --git a/config/config-arm-common.mak b/config/config-arm-common.mak index e037507..d90eccc 100644 --- a/config/config-arm-common.mak +++ b/config/config-arm-common.mak @@ -11,6 +11,7 @@ endif tests-common = $(TEST_DIR)/selftest.flat tests-common += $(TEST_DIR)/spinlock-test.flat +tests-common += $(TEST_DIR)/ipi-test.flat all: test_cases @@ -69,3 +70,4 @@ test_cases: $(generated_files) $(tests-common) $(tests) $(TEST_DIR)/selftest.elf: $(cstart.o) $(TEST_DIR)/selftest.o $(TEST_DIR)/spinlock-test.elf: $(cstart.o) $(TEST_DIR)/spinlock-test.o +$(TEST_DIR)/ipi-test.elf: $(cstart.o) $(TEST_DIR)/ipi-test.o -- 2.7.1