acpi-test: basic acpi unit-test
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 Färber <afaerber@suse.de> Cc: Markus Armbruster <armbru@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin
parent
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commit
ad6423a7fb
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@ -64,6 +64,7 @@ check-qtest-i386-y += tests/ide-test$(EXESUF)
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check-qtest-i386-y += tests/hd-geo-test$(EXESUF)
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gcov-files-i386-y += hw/hd-geometry.c
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check-qtest-i386-y += tests/boot-order-test$(EXESUF)
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check-qtest-i386-y += tests/acpi-test$(EXESUF)
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check-qtest-i386-y += tests/rtc-test$(EXESUF)
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check-qtest-i386-y += tests/i440fx-test$(EXESUF)
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check-qtest-i386-y += tests/fw_cfg-test$(EXESUF)
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@ -198,6 +199,7 @@ tests/fdc-test$(EXESUF): tests/fdc-test.o
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tests/ide-test$(EXESUF): tests/ide-test.o $(libqos-pc-obj-y)
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tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o
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tests/boot-order-test$(EXESUF): tests/boot-order-test.o $(libqos-obj-y)
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tests/acpi-test$(EXESUF): tests/acpi-test.o $(libqos-obj-y)
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tests/tmp105-test$(EXESUF): tests/tmp105-test.o $(libqos-omap-obj-y)
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tests/i440fx-test$(EXESUF): tests/i440fx-test.o $(libqos-pc-obj-y)
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tests/fw_cfg-test$(EXESUF): tests/fw_cfg-test.o $(libqos-pc-obj-y)
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135
tests/acpi-test.c
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135
tests/acpi-test.c
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@ -0,0 +1,135 @@
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/*
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* Boot order test cases.
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*
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* Copyright (c) 2013 Red Hat Inc.
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*
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* Authors:
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* Michael S. Tsirkin <mst@redhat.com>,
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <glib.h>
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#include "libqtest.h"
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typedef struct {
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const char *args;
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uint64_t expected_boot;
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uint64_t expected_reboot;
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} boot_order_test;
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#define LOW(x) ((x) & 0xff)
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#define HIGH(x) ((x) >> 8)
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#define SIGNATURE 0xdead
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#define SIGNATURE_OFFSET 0x10
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#define BOOT_SECTOR_ADDRESS 0x7c00
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/* Boot sector code: write SIGNATURE into memory,
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* then halt.
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*/
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static uint8_t boot_sector[0x200] = {
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/* 7c00: mov $0xdead,%ax */
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[0x00] = 0xb8,
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[0x01] = LOW(SIGNATURE),
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[0x02] = HIGH(SIGNATURE),
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/* 7c03: mov %ax,0x7c10 */
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[0x03] = 0xa3,
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[0x04] = LOW(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
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[0x05] = HIGH(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
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/* 7c06: cli */
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[0x06] = 0xfa,
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/* 7c07: hlt */
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[0x07] = 0xf4,
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/* 7c08: jmp 0x7c07=0x7c0a-3 */
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[0x08] = 0xeb,
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[0x09] = LOW(-3),
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/* We mov 0xdead here: set value to make debugging easier */
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[SIGNATURE_OFFSET] = LOW(0xface),
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[SIGNATURE_OFFSET + 1] = HIGH(0xface),
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/* End of boot sector marker */
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[0x1FE] = 0x55,
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[0x1FF] = 0xAA,
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};
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static const char *disk = "tests/acpi-test-disk.raw";
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static void test_acpi_one(const char *params)
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{
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char *args;
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uint8_t signature_low;
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uint8_t signature_high;
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uint16_t signature;
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int i;
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uint32_t off;
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args = g_strdup_printf("-net none -display none %s %s",
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params ? params : "", disk);
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qtest_start(args);
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/* Wait at most 1 minute */
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#define TEST_DELAY (1 * G_USEC_PER_SEC / 10)
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#define TEST_CYCLES MAX((60 * G_USEC_PER_SEC / TEST_DELAY), 1)
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/* Poll until code has run and modified memory. Once it has we know BIOS
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* initialization is done. TODO: check that IP reached the halt
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* instruction.
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*/
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for (i = 0; i < TEST_CYCLES; ++i) {
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signature_low = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET);
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signature_high = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET + 1);
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signature = (signature_high << 8) | signature_low;
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if (signature == SIGNATURE) {
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break;
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}
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g_usleep(TEST_DELAY);
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}
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g_assert_cmphex(signature, ==, SIGNATURE);
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/* OK, now find RSDP */
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for (off = 0xf0000; off < 0x100000; off += 0x10)
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{
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uint8_t sig[] = "RSD PTR ";
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int i;
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for (i = 0; i < sizeof sig - 1; ++i) {
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sig[i] = readb(off + i);
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}
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if (!memcmp(sig, "RSD PTR ", sizeof sig)) {
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break;
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}
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}
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g_assert_cmphex(off, <, 0x100000);
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qtest_quit(global_qtest);
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g_free(args);
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}
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static void test_acpi_tcg(void)
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{
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/* Supplying -machine accel argument overrides the default (qtest).
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* This is to make guest actually run.
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*/
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test_acpi_one("-machine accel=tcg");
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}
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int main(int argc, char *argv[])
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{
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const char *arch = qtest_get_arch();
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FILE *f = fopen(disk, "w");
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fwrite(boot_sector, 1, sizeof boot_sector, f);
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fclose(f);
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g_test_init(&argc, &argv, NULL);
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if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
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qtest_add_func("acpi/tcg", test_acpi_tcg);
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}
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return g_test_run();
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}
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