From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49406) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ve4R5-0004ZQ-Jn for qemu-devel@nongnu.org; Wed, 06 Nov 2013 09:50:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ve4R0-0003f6-3n for qemu-devel@nongnu.org; Wed, 06 Nov 2013 09:50:23 -0500 Received: from mx1.redhat.com ([209.132.183.28]:64949) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ve4Qz-0003ez-S4 for qemu-devel@nongnu.org; Wed, 06 Nov 2013 09:50:18 -0500 Date: Wed, 6 Nov 2013 16:53:08 +0200 From: "Michael S. Tsirkin" Message-ID: <1383749487-4823-2-git-send-email-mst@redhat.com> References: <1383749487-4823-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1383749487-4823-1-git-send-email-mst@redhat.com> Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v2 2/2] acpi-test: basic acpi unit-test List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , =?us-ascii?B?PT9VVEYtOD9xP0FuZHJlYXM9MjBGPUMzPUE0cmJlcj89?= , Markus Armbruster We run bios, and boot a minimal boot sector that immediately halts. Then poke at memory to find ACPI tables. This only checks that RSDP is there. More will be added later. Cc: Andreas F=E4rber Cc: Markus Armbruster Cc: Paolo Bonzini Signed-off-by: Michael S. Tsirkin --- changes from v1: address style comments by Markus, Andreas add cli to disable interrupts as suggested by Paolo tests/acpi-test.c | 135 ++++++++++++++++++++++++++++++++++++++++++++++++= ++++++ tests/Makefile | 2 + 2 files changed, 137 insertions(+) create mode 100644 tests/acpi-test.c diff --git a/tests/acpi-test.c b/tests/acpi-test.c new file mode 100644 index 0000000..468c4f5 --- /dev/null +++ b/tests/acpi-test.c @@ -0,0 +1,135 @@ +/* + * Boot order test cases. + * + * Copyright (c) 2013 Red Hat Inc. + * + * Authors: + * Michael S. Tsirkin , + * + * This work is licensed under the terms of the GNU GPL, version 2 or la= ter. + * See the COPYING file in the top-level directory. + */ + +#include +#include +#include +#include "libqtest.h" + +typedef struct { + const char *args; + uint64_t expected_boot; + uint64_t expected_reboot; +} boot_order_test; + +#define LOW(x) ((x) & 0xff) +#define HIGH(x) ((x) >> 8) + +#define SIGNATURE 0xdead +#define SIGNATURE_OFFSET 0x10 +#define BOOT_SECTOR_ADDRESS 0x7c00 + +/* Boot sector code: write SIGNATURE into memory, + * then halt. + */ +static uint8_t boot_sector[0x200] =3D { + /* 7c00: mov $0xdead,%ax */ + [0x00] =3D 0xb8, + [0x01] =3D LOW(SIGNATURE), + [0x02] =3D HIGH(SIGNATURE), + /* 7c03: mov %ax,0x7c10 */ + [0x03] =3D 0xa3, + [0x04] =3D LOW(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET), + [0x05] =3D HIGH(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET), + /* 7c06: cli */ + [0x06] =3D 0xfa, + /* 7c07: hlt */ + [0x07] =3D 0xf4, + /* 7c08: jmp 0x7c07=3D0x7c0a-3 */ + [0x08] =3D 0xeb, + [0x09] =3D LOW(-3), + /* We mov 0xdead here: set value to make debugging easier */ + [SIGNATURE_OFFSET] =3D LOW(0xface), + [SIGNATURE_OFFSET + 1] =3D HIGH(0xface), + /* End of boot sector marker */ + [0x1FE] =3D 0x55, + [0x1FF] =3D 0xAA, +}; + +static const char *disk =3D "tests/acpi-test-disk.raw"; + +static void test_acpi_one(const char *params) +{ + char *args; + uint8_t signature_low; + uint8_t signature_high; + uint16_t signature; + int i; + uint32_t off; + + + args =3D g_strdup_printf("-net none -display none %s %s", + params ? params : "", disk); + qtest_start(args); + + /* Wait at most 1 minute */ +#define TEST_DELAY (1 * G_USEC_PER_SEC / 10) +#define TEST_CYCLES MAX((60 * G_USEC_PER_SEC / TEST_DELAY), 1) + + /* Poll until code has run and modified memory. Once it has we know= BIOS + * initialization is done. TODO: check that IP reached the halt + * instruction. + */ + for (i =3D 0; i < TEST_CYCLES; ++i) { + signature_low =3D readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET); + signature_high =3D readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET = + 1); + signature =3D (signature_high << 8) | signature_low; + if (signature =3D=3D SIGNATURE) { + break; + } + g_usleep(TEST_DELAY); + } + g_assert_cmphex(signature, =3D=3D, SIGNATURE); + + /* OK, now find RSDP */ + for (off =3D 0xf0000; off < 0x100000; off +=3D 0x10) + { + uint8_t sig[] =3D "RSD PTR "; + int i; + + for (i =3D 0; i < sizeof sig - 1; ++i) { + sig[i] =3D readb(off + i); + } + + if (!memcmp(sig, "RSD PTR ", sizeof sig)) { + break; + } + } + + g_assert_cmphex(off, <, 0x100000); + + qtest_quit(global_qtest); + g_free(args); +} + +static void test_acpi_tcg(void) +{ + /* Supplying -machine accel argument overrides the default (qtest). + * This is to make guest actually run. + */ + test_acpi_one("-machine accel=3Dtcg"); +} + +int main(int argc, char *argv[]) +{ + const char *arch =3D qtest_get_arch(); + FILE *f =3D fopen(disk, "w"); + fwrite(boot_sector, 1, sizeof boot_sector, f); + fclose(f); + + g_test_init(&argc, &argv, NULL); + + if (strcmp(arch, "i386") =3D=3D 0 || strcmp(arch, "x86_64") =3D=3D 0= ) { + qtest_add_func("acpi/tcg", test_acpi_tcg); + } + return g_test_run(); +} diff --git a/tests/Makefile b/tests/Makefile index fa4c9f0..62a0a5d 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -64,6 +64,7 @@ check-qtest-i386-y +=3D tests/ide-test$(EXESUF) check-qtest-i386-y +=3D tests/hd-geo-test$(EXESUF) gcov-files-i386-y +=3D hw/hd-geometry.c check-qtest-i386-y +=3D tests/boot-order-test$(EXESUF) +check-qtest-i386-y +=3D tests/acpi-test$(EXESUF) check-qtest-i386-y +=3D tests/rtc-test$(EXESUF) check-qtest-i386-y +=3D tests/i440fx-test$(EXESUF) check-qtest-i386-y +=3D tests/fw_cfg-test$(EXESUF) @@ -171,6 +172,7 @@ tests/fdc-test$(EXESUF): tests/fdc-test.o tests/ide-test$(EXESUF): tests/ide-test.o $(libqos-pc-obj-y) tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o tests/boot-order-test$(EXESUF): tests/boot-order-test.o $(libqos-obj-y) +tests/acpi-test$(EXESUF): tests/acpi-test.o $(libqos-obj-y) tests/tmp105-test$(EXESUF): tests/tmp105-test.o $(libqos-omap-obj-y) tests/i440fx-test$(EXESUF): tests/i440fx-test.o $(libqos-pc-obj-y) tests/fw_cfg-test$(EXESUF): tests/fw_cfg-test.o $(libqos-pc-obj-y) --=20 MST