linux-user: Support for restarting system calls for OpenRISC targets
[qemu.git] / tests / q35-test.c
1 /*
2 * QTest testcase for Q35 northbridge
3 *
4 * Copyright (c) 2015 Red Hat, Inc.
5 *
6 * Author: Gerd Hoffmann <kraxel@redhat.com>
7 *
8 * This work is licensed under the terms of the GNU GPL, version 2 or later.
9 * See the COPYING file in the top-level directory.
10 */
11
12 #include "qemu/osdep.h"
13 #include <glib.h>
14 #include "libqtest.h"
15 #include "libqos/pci.h"
16 #include "libqos/pci-pc.h"
17 #include "hw/pci-host/q35.h"
18
19 static void smram_set_bit(QPCIDevice *pcidev, uint8_t mask, bool enabled)
20 {
21 uint8_t smram;
22
23 smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
24 if (enabled) {
25 smram |= mask;
26 } else {
27 smram &= ~mask;
28 }
29 qpci_config_writeb(pcidev, MCH_HOST_BRIDGE_SMRAM, smram);
30 }
31
32 static bool smram_test_bit(QPCIDevice *pcidev, uint8_t mask)
33 {
34 uint8_t smram;
35
36 smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
37 return smram & mask;
38 }
39
40 static void test_smram_lock(void)
41 {
42 QPCIBus *pcibus;
43 QPCIDevice *pcidev;
44 QDict *response;
45
46 pcibus = qpci_init_pc();
47 g_assert(pcibus != NULL);
48
49 pcidev = qpci_device_find(pcibus, 0);
50 g_assert(pcidev != NULL);
51
52 /* check open is settable */
53 smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
54 g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
55 smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
56 g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
57
58 /* lock, check open is cleared & not settable */
59 smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_LCK, true);
60 g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
61 smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
62 g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
63
64 /* reset */
65 response = qmp("{'execute': 'system_reset', 'arguments': {} }");
66 g_assert(response);
67 g_assert(!qdict_haskey(response, "error"));
68 QDECREF(response);
69
70 /* check open is settable again */
71 smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
72 g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
73 smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
74 g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
75 }
76
77 int main(int argc, char **argv)
78 {
79 int ret;
80
81 g_test_init(&argc, &argv, NULL);
82
83 qtest_add_func("/q35/smram/lock", test_smram_lock);
84
85 qtest_start("-M q35");
86 ret = g_test_run();
87 qtest_end();
88
89 return ret;
90 }