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i440fx-test.c
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/*
* qtest I440FX test case
*
* Copyright IBM, Corp. 2012-2013
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.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 "libqos/pci.h"
#include "libqos/pci-pc.h"
#include "libqtest.h"
#include "hw/pci/pci_regs.h"
#include <glib.h>
#include <string.h>
#define BROKEN 1
#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
typedef struct TestData
{
int num_cpus;
QPCIBus *bus;
} TestData;
static void test_i440fx_defaults(gconstpointer opaque)
{
const TestData *s = opaque;
QPCIDevice *dev;
uint32_t value;
dev = qpci_device_find(s->bus, QPCI_DEVFN(0, 0));
g_assert(dev != NULL);
/* 3.2.2 */
g_assert_cmpint(qpci_config_readw(dev, PCI_VENDOR_ID), ==, 0x8086);
/* 3.2.3 */
g_assert_cmpint(qpci_config_readw(dev, PCI_DEVICE_ID), ==, 0x1237);
#ifndef BROKEN
/* 3.2.4 */
g_assert_cmpint(qpci_config_readw(dev, PCI_COMMAND), ==, 0x0006);
/* 3.2.5 */
g_assert_cmpint(qpci_config_readw(dev, PCI_STATUS), ==, 0x0280);
#endif
/* 3.2.7 */
g_assert_cmpint(qpci_config_readb(dev, PCI_CLASS_PROG), ==, 0x00);
g_assert_cmpint(qpci_config_readw(dev, PCI_CLASS_DEVICE), ==, 0x0600);
/* 3.2.8 */
g_assert_cmpint(qpci_config_readb(dev, PCI_LATENCY_TIMER), ==, 0x00);
/* 3.2.9 */
g_assert_cmpint(qpci_config_readb(dev, PCI_HEADER_TYPE), ==, 0x00);
/* 3.2.10 */
g_assert_cmpint(qpci_config_readb(dev, PCI_BIST), ==, 0x00);
/* 3.2.11 */
value = qpci_config_readw(dev, 0x50); /* PMCCFG */
if (s->num_cpus == 1) { /* WPE */
g_assert(!(value & (1 << 15)));
} else {
g_assert((value & (1 << 15)));
}
g_assert(!(value & (1 << 6))); /* EPTE */
/* 3.2.12 */
g_assert_cmpint(qpci_config_readb(dev, 0x52), ==, 0x00); /* DETURBO */
/* 3.2.13 */
#ifndef BROKEN
g_assert_cmpint(qpci_config_readb(dev, 0x53), ==, 0x80); /* DBC */
#endif
/* 3.2.14 */
g_assert_cmpint(qpci_config_readb(dev, 0x54), ==, 0x00); /* AXC */
/* 3.2.15 */
g_assert_cmpint(qpci_config_readw(dev, 0x55), ==, 0x0000); /* DRT */
#ifndef BROKEN
/* 3.2.16 */
g_assert_cmpint(qpci_config_readb(dev, 0x57), ==, 0x01); /* DRAMC */
/* 3.2.17 */
g_assert_cmpint(qpci_config_readb(dev, 0x58), ==, 0x10); /* DRAMT */
#endif
/* 3.2.18 */
g_assert_cmpint(qpci_config_readb(dev, 0x59), ==, 0x00); /* PAM0 */
g_assert_cmpint(qpci_config_readb(dev, 0x5A), ==, 0x00); /* PAM1 */
g_assert_cmpint(qpci_config_readb(dev, 0x5B), ==, 0x00); /* PAM2 */
g_assert_cmpint(qpci_config_readb(dev, 0x5C), ==, 0x00); /* PAM3 */
g_assert_cmpint(qpci_config_readb(dev, 0x5D), ==, 0x00); /* PAM4 */
g_assert_cmpint(qpci_config_readb(dev, 0x5E), ==, 0x00); /* PAM5 */
g_assert_cmpint(qpci_config_readb(dev, 0x5F), ==, 0x00); /* PAM6 */
#ifndef BROKEN
/* 3.2.19 */
g_assert_cmpint(qpci_config_readb(dev, 0x60), ==, 0x01); /* DRB0 */
g_assert_cmpint(qpci_config_readb(dev, 0x61), ==, 0x01); /* DRB1 */
g_assert_cmpint(qpci_config_readb(dev, 0x62), ==, 0x01); /* DRB2 */
g_assert_cmpint(qpci_config_readb(dev, 0x63), ==, 0x01); /* DRB3 */
g_assert_cmpint(qpci_config_readb(dev, 0x64), ==, 0x01); /* DRB4 */
g_assert_cmpint(qpci_config_readb(dev, 0x65), ==, 0x01); /* DRB5 */
g_assert_cmpint(qpci_config_readb(dev, 0x66), ==, 0x01); /* DRB6 */
g_assert_cmpint(qpci_config_readb(dev, 0x67), ==, 0x01); /* DRB7 */
#endif
/* 3.2.20 */
g_assert_cmpint(qpci_config_readb(dev, 0x68), ==, 0x00); /* FDHC */
/* 3.2.21 */
g_assert_cmpint(qpci_config_readb(dev, 0x70), ==, 0x00); /* MTT */
#ifndef BROKEN
/* 3.2.22 */
g_assert_cmpint(qpci_config_readb(dev, 0x71), ==, 0x10); /* CLT */
#endif
/* 3.2.23 */
g_assert_cmpint(qpci_config_readb(dev, 0x72), ==, 0x02); /* SMRAM */
/* 3.2.24 */
g_assert_cmpint(qpci_config_readb(dev, 0x90), ==, 0x00); /* ERRCMD */
/* 3.2.25 */
g_assert_cmpint(qpci_config_readb(dev, 0x91), ==, 0x00); /* ERRSTS */
/* 3.2.26 */
g_assert_cmpint(qpci_config_readb(dev, 0x93), ==, 0x00); /* TRC */
}
#define PAM_RE 1
#define PAM_WE 2
static void pam_set(QPCIDevice *dev, int index, int flags)
{
int regno = 0x59 + (index / 2);
uint8_t reg;
reg = qpci_config_readb(dev, regno);
if (index & 1) {
reg = (reg & 0x0F) | (flags << 4);
} else {
reg = (reg & 0xF0) | flags;
}
qpci_config_writeb(dev, regno, reg);
}
static gboolean verify_area(uint32_t start, uint32_t end, uint8_t value)
{
uint32_t size = end - start + 1;
gboolean ret = TRUE;
uint8_t *data;
int i;
data = g_malloc0(size);
memread(start, data, size);
g_test_message("verify_area: data[0] = 0x%x", data[0]);
for (i = 0; i < size; i++) {
if (data[i] != value) {
ret = FALSE;
break;
}
}
g_free(data);
return ret;
}
static void write_area(uint32_t start, uint32_t end, uint8_t value)
{
uint32_t size = end - start + 1;
uint8_t *data;
data = g_malloc0(size);
memset(data, value, size);
memwrite(start, data, size);
g_free(data);
}
static void test_i440fx_pam(gconstpointer opaque)
{
const TestData *s = opaque;
QPCIDevice *dev;
int i;
static struct {
uint32_t start;
uint32_t end;
} pam_area[] = {
{ 0, 0 }, /* Reserved */
{ 0xF0000, 0xFFFFF }, /* BIOS Area */
{ 0xC0000, 0xC3FFF }, /* Option ROM */
{ 0xC4000, 0xC7FFF }, /* Option ROM */
{ 0xC8000, 0xCBFFF }, /* Option ROM */
{ 0xCC000, 0xCFFFF }, /* Option ROM */
{ 0xD0000, 0xD3FFF }, /* Option ROM */
{ 0xD4000, 0xD7FFF }, /* Option ROM */
{ 0xD8000, 0xDBFFF }, /* Option ROM */
{ 0xDC000, 0xDFFFF }, /* Option ROM */
{ 0xE0000, 0xE3FFF }, /* BIOS Extension */
{ 0xE4000, 0xE7FFF }, /* BIOS Extension */
{ 0xE8000, 0xEBFFF }, /* BIOS Extension */
{ 0xEC000, 0xEFFFF }, /* BIOS Extension */
};
dev = qpci_device_find(s->bus, QPCI_DEVFN(0, 0));
g_assert(dev != NULL);
for (i = 0; i < ARRAY_SIZE(pam_area); i++) {
if (pam_area[i].start == pam_area[i].end) {
continue;
}
g_test_message("Checking area 0x%05x..0x%05x",
pam_area[i].start, pam_area[i].end);
/* Switch to RE for the area */
pam_set(dev, i, PAM_RE);
/* Verify the RAM is all zeros */
g_assert(verify_area(pam_area[i].start, pam_area[i].end, 0));
/* Switch to WE for the area */
pam_set(dev, i, PAM_RE | PAM_WE);
/* Write out a non-zero mask to the full area */
write_area(pam_area[i].start, pam_area[i].end, 0x42);
#ifndef BROKEN
/* QEMU only supports a limited form of PAM */
/* Switch to !RE for the area */
pam_set(dev, i, PAM_WE);
/* Verify the area is not our mask */
g_assert(!verify_area(pam_area[i].start, pam_area[i].end, 0x42));
#endif
/* Verify the area is our new mask */
g_assert(verify_area(pam_area[i].start, pam_area[i].end, 0x42));
/* Write out a new mask */
write_area(pam_area[i].start, pam_area[i].end, 0x82);
#ifndef BROKEN
/* QEMU only supports a limited form of PAM */
/* Verify the area is not our mask */
g_assert(!verify_area(pam_area[i].start, pam_area[i].end, 0x82));
/* Switch to RE for the area */
pam_set(dev, i, PAM_RE | PAM_WE);
#endif
/* Verify the area is our new mask */
g_assert(verify_area(pam_area[i].start, pam_area[i].end, 0x82));
/* Reset area */
pam_set(dev, i, 0);
/* Verify the area is not our new mask */
g_assert(!verify_area(pam_area[i].start, pam_area[i].end, 0x82));
}
}
int main(int argc, char **argv)
{
QTestState *s;
TestData data;
char *cmdline;
int ret;
g_test_init(&argc, &argv, NULL);
data.num_cpus = 1;
cmdline = g_strdup_printf("-display none -smp %d", data.num_cpus);
s = qtest_start(cmdline);
g_free(cmdline);
data.bus = qpci_init_pc();
g_test_add_data_func("/i440fx/defaults", &data, test_i440fx_defaults);
g_test_add_data_func("/i440fx/pam", &data, test_i440fx_pam);
ret = g_test_run();
if (s) {
qtest_quit(s);
}
return ret;
}