boot-order-test: New; covering just PC for now

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1372254743-15808-3-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

tests/Makefile

@@ -57,6 +57,7 @@ gcov-files-i386-y = hw/fdc.c
 check-qtest-i386-y += tests/ide-test$(EXESUF)
 check-qtest-i386-y += tests/hd-geo-test$(EXESUF)
 gcov-files-i386-y += hw/hd-geometry.c
+check-qtest-i386-y += tests/boot-order-test$(EXESUF)
 check-qtest-i386-y += tests/rtc-test$(EXESUF)
 check-qtest-i386-y += tests/i440fx-test$(EXESUF)
 check-qtest-i386-y += tests/fw_cfg-test$(EXESUF)
@@ -134,6 +135,7 @@ tests/m48t59-test$(EXESUF): tests/m48t59-test.o
 tests/fdc-test$(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$(EXESUF): tests/boot-order-test.o
 tests/tmp105-test$(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)

tests/boot-order-test.c

@@ -0,0 +1,73 @@
+/*
+ * Boot order test cases.
+ *
+ * Copyright (c) 2013 Red Hat Inc.
+ *
+ * Authors:
+ *  Markus Armbruster <armbru@redhat.com>,
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <glib.h>
+#include "libqtest.h"
+
+static void test_pc_cmos_byte(int reg, int expected)
+{
+    int actual;
+
+    outb(0x70, reg);
+    actual = inb(0x71);
+    g_assert_cmphex(actual, ==, expected);
+}
+
+static void test_pc_cmos(uint8_t boot1, uint8_t boot2)
+{
+    test_pc_cmos_byte(0x38, boot1);
+    test_pc_cmos_byte(0x3d, boot2);
+}
+
+static void test_pc_with_args(const char *test_args,
+                              uint8_t boot1, uint8_t boot2,
+                              uint8_t reboot1, uint8_t reboot2)
+{
+    char *args = g_strdup_printf("-nodefaults -display none %s", test_args);
+
+    qtest_start(args);
+    test_pc_cmos(boot1, boot2);
+    qmp("{ 'execute': 'system_reset' }");
+    /*
+     * system_reset only requests reset.  We get a RESET event after
+     * the actual reset completes.  Need to wait for that.
+     */
+    qmp("");                    /* HACK: wait for event */
+    test_pc_cmos(reboot1, reboot2);
+    qtest_quit(global_qtest);
+    g_free(args);
+}
+
+static void test_pc_boot_order(void)
+{
+    test_pc_with_args("", 0x30, 0x12, 0x30, 0x12);
+    test_pc_with_args("-no-fd-bootchk", 0x31, 0x12, 0x31, 0x12);
+    test_pc_with_args("-boot c", 0, 0x02, 0, 0x02);
+    test_pc_with_args("-boot nda", 0x10, 0x34, 0x10, 0x34);
+    test_pc_with_args("-boot order=", 0, 0, 0, 0);
+    test_pc_with_args("-boot order= -boot order=c", 0, 0x02, 0, 0x02);
+    test_pc_with_args("-boot once=a", 0, 0x01, 0x30, 0x12);
+    test_pc_with_args("-boot once=a -no-fd-bootchk", 0x01, 0x01, 0x31, 0x12);
+    test_pc_with_args("-boot once=a,order=c", 0, 0x01, 0, 0x02);
+    test_pc_with_args("-boot once=d -boot order=nda", 0, 0x03, 0x10, 0x34);
+    test_pc_with_args("-boot once=a -boot once=b -boot once=c",
+                      0, 0x02, 0x30, 0x12);
+}
+
+int main(int argc, char *argv[])
+{
+    g_test_init(&argc, &argv, NULL);
+
+    qtest_add_func("boot-order/pc", test_pc_boot_order);
+
+    return g_test_run();
+}