* qtest I440FX test case
*
* Copyright IBM, Corp. 2012-2013
+ * Copyright Red Hat, Inc. 2013
*
* Authors:
*
* 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 "qemu/osdep.h"
+
+#include "libqtest.h"
#include "libqos/pci.h"
#include "libqos/pci-pc.h"
-#include "libqtest.h"
-
#include "hw/pci/pci_regs.h"
-#include <glib.h>
-#include <stdio.h>
-
#define BROKEN 1
typedef struct TestData
{
int num_cpus;
- QPCIBus *bus;
} TestData;
+typedef struct FirmwareTestFixture {
+ /* decides whether we're testing -bios or -pflash */
+ bool is_bios;
+} FirmwareTestFixture;
+
+static QPCIBus *test_start_get_bus(const TestData *s)
+{
+ char *cmdline;
+
+ cmdline = g_strdup_printf("-smp %d", s->num_cpus);
+ qtest_start(cmdline);
+ g_free(cmdline);
+ return qpci_init_pc(NULL);
+}
+
static void test_i440fx_defaults(gconstpointer opaque)
{
const TestData *s = opaque;
+ QPCIBus *bus;
QPCIDevice *dev;
uint32_t value;
- dev = qpci_device_find(s->bus, QPCI_DEVFN(0, 0));
+ bus = test_start_get_bus(s);
+ dev = qpci_device_find(bus, QPCI_DEVFN(0, 0));
g_assert(dev != NULL);
/* 3.2.2 */
g_assert_cmpint(qpci_config_readb(dev, 0x91), ==, 0x00); /* ERRSTS */
/* 3.2.26 */
g_assert_cmpint(qpci_config_readb(dev, 0x93), ==, 0x00); /* TRC */
+
+ g_free(dev);
+ qpci_free_pc(bus);
+ qtest_end();
}
-int main(int argc, char **argv)
+#define PAM_RE 1
+#define PAM_WE 2
+
+static void pam_set(QPCIDevice *dev, int index, int flags)
{
- QTestState *s;
- TestData data;
- char *cmdline;
- int ret;
+ int regno = 0x59 + (index / 2);
+ uint8_t reg;
- g_test_init(&argc, &argv, NULL);
+ 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);
+}
- data.num_cpus = 1;
+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;
- cmdline = g_strdup_printf("-display none -smp %d", data.num_cpus);
- s = qtest_start(cmdline);
- g_free(cmdline);
+ data = g_malloc0(size);
+ memread(start, data, size);
- data.bus = qpci_init_pc();
+ 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_malloc(size);
+ memset(data, value, size);
+ memwrite(start, data, size);
+
+ g_free(data);
+}
+
+static void test_i440fx_pam(gconstpointer opaque)
+{
+ const TestData *s = opaque;
+ QPCIBus *bus;
+ 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 */
+ };
+
+ bus = test_start_get_bus(s);
+ dev = qpci_device_find(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
- g_test_add_data_func("/i440fx/defaults", &data, test_i440fx_defaults);
+ /* Verify the area is our new mask */
+ g_assert(verify_area(pam_area[i].start, pam_area[i].end, 0x42));
- ret = g_test_run();
+ /* Write out a new mask */
+ write_area(pam_area[i].start, pam_area[i].end, 0x82);
- if (s) {
- qtest_quit(s);
+#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));
}
- return ret;
+ g_free(dev);
+ qpci_free_pc(bus);
+ qtest_end();
+}
+
+#define BLOB_SIZE ((size_t)65536)
+#define ISA_BIOS_MAXSZ ((size_t)(128 * 1024))
+
+/* Create a blob file, and return its absolute pathname as a dynamically
+ * allocated string.
+ * The file is closed before the function returns.
+ * In case of error, NULL is returned. The function prints the error message.
+ */
+static char *create_blob_file(void)
+{
+ int ret, fd;
+ char *pathname;
+ GError *error = NULL;
+
+ ret = -1;
+ fd = g_file_open_tmp("blob_XXXXXX", &pathname, &error);
+ if (fd == -1) {
+ fprintf(stderr, "unable to create blob file: %s\n", error->message);
+ g_error_free(error);
+ } else {
+ if (ftruncate(fd, BLOB_SIZE) == -1) {
+ fprintf(stderr, "ftruncate(\"%s\", %zu): %s\n", pathname,
+ BLOB_SIZE, strerror(errno));
+ } else {
+ void *buf;
+
+ buf = mmap(NULL, BLOB_SIZE, PROT_WRITE, MAP_SHARED, fd, 0);
+ if (buf == MAP_FAILED) {
+ fprintf(stderr, "mmap(\"%s\", %zu): %s\n", pathname, BLOB_SIZE,
+ strerror(errno));
+ } else {
+ size_t i;
+
+ for (i = 0; i < BLOB_SIZE; ++i) {
+ ((uint8_t *)buf)[i] = i;
+ }
+ munmap(buf, BLOB_SIZE);
+ ret = 0;
+ }
+ }
+ close(fd);
+ if (ret == -1) {
+ unlink(pathname);
+ g_free(pathname);
+ }
+ }
+
+ return ret == -1 ? NULL : pathname;
+}
+
+static void test_i440fx_firmware(FirmwareTestFixture *fixture,
+ gconstpointer user_data)
+{
+ char *fw_pathname, *cmdline;
+ uint8_t *buf;
+ size_t i, isa_bios_size;
+
+ fw_pathname = create_blob_file();
+ g_assert(fw_pathname != NULL);
+
+ /* Better hope the user didn't put metacharacters in TMPDIR and co. */
+ cmdline = g_strdup_printf("-S %s%s", fixture->is_bios
+ ? "-bios "
+ : "-drive if=pflash,format=raw,file=",
+ fw_pathname);
+ g_test_message("qemu cmdline: %s", cmdline);
+ qtest_start(cmdline);
+ g_free(cmdline);
+
+ /* QEMU has loaded the firmware (because qtest_start() only returns after
+ * the QMP handshake completes). We must unlink the firmware blob right
+ * here, because any assertion firing below would leak it in the
+ * filesystem. This is also the reason why we recreate the blob every time
+ * this function is invoked.
+ */
+ unlink(fw_pathname);
+ g_free(fw_pathname);
+
+ /* check below 4G */
+ buf = g_malloc0(BLOB_SIZE);
+ memread(0x100000000ULL - BLOB_SIZE, buf, BLOB_SIZE);
+ for (i = 0; i < BLOB_SIZE; ++i) {
+ g_assert_cmphex(buf[i], ==, (uint8_t)i);
+ }
+
+ /* check in ISA space too */
+ memset(buf, 0, BLOB_SIZE);
+ isa_bios_size = ISA_BIOS_MAXSZ < BLOB_SIZE ? ISA_BIOS_MAXSZ : BLOB_SIZE;
+ memread(0x100000 - isa_bios_size, buf, isa_bios_size);
+ for (i = 0; i < isa_bios_size; ++i) {
+ g_assert_cmphex(buf[i], ==,
+ (uint8_t)((BLOB_SIZE - isa_bios_size) + i));
+ }
+
+ g_free(buf);
+ qtest_end();
+}
+
+static void add_firmware_test(const char *testpath,
+ void (*setup_fixture)(FirmwareTestFixture *f,
+ gconstpointer test_data))
+{
+ qtest_add(testpath, FirmwareTestFixture, NULL, setup_fixture,
+ test_i440fx_firmware, NULL);
+}
+
+static void request_bios(FirmwareTestFixture *fixture,
+ gconstpointer user_data)
+{
+ fixture->is_bios = true;
+}
+
+static void request_pflash(FirmwareTestFixture *fixture,
+ gconstpointer user_data)
+{
+ fixture->is_bios = false;
+}
+
+int main(int argc, char **argv)
+{
+ TestData data;
+
+ g_test_init(&argc, &argv, NULL);
+
+ data.num_cpus = 1;
+
+ qtest_add_data_func("i440fx/defaults", &data, test_i440fx_defaults);
+ qtest_add_data_func("i440fx/pam", &data, test_i440fx_pam);
+ add_firmware_test("i440fx/firmware/bios", request_bios);
+ add_firmware_test("i440fx/firmware/pflash", request_pflash);
+
+ return g_test_run();
}
projects / qemu.git / blobdiff