[qemu.git] / tests / i440fx-test.c

/*
 * qtest I440FX test case
 *
 * Copyright IBM, Corp. 2012-2013
 * Copyright Red Hat, Inc. 2013
 *
 * Authors:
 *  Anthony Liguori   <[email protected]>
 *  Laszlo Ersek      <[email protected]>
 *
 * 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 <glib.h>
#include <sys/mman.h>

#include "libqtest.h"
#include "libqos/pci.h"
#include "libqos/pci-pc.h"
#include "hw/pci/pci_regs.h"

#define BROKEN 1

typedef struct TestData
{
    int num_cpus;
} 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();
}

static void test_i440fx_defaults(gconstpointer opaque)
{
    const TestData *s = opaque;
    QPCIBus *bus;
    QPCIDevice *dev;
    uint32_t value;

    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_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 */

    qtest_end();
}

#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_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

        /* 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));
    }
    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;
    int ret;

    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);

    ret = g_test_run();
    return ret;
}
Commit	Line	Data
9bda413c AL	1	/*
	2	* qtest I440FX test case
	3	*
	4	* Copyright IBM, Corp. 2012-2013
b817e3fb	5	* Copyright Red Hat, Inc. 2013
9bda413c AL	6	*
	7	* Authors:
	8	* Anthony Liguori <[email protected]>
b817e3fb	9	* Laszlo Ersek <[email protected]>
9bda413c AL	10	*
	11	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	12	* See the COPYING file in the top-level directory.
	13	*/
	14
07b096b4	15	#include "qemu/osdep.h"
9bda413c	16	#include <glib.h>
27d59ccd	17	#include <sys/mman.h>
9bda413c	18
91f32b0c SH	19	#include "libqtest.h"
	20	#include "libqos/pci.h"
	21	#include "libqos/pci-pc.h"
	22	#include "hw/pci/pci_regs.h"
	23
9bda413c AL	24	#define BROKEN 1
	25
	26	typedef struct TestData
	27	{
	28	int num_cpus;
9bda413c AL	29	} TestData;
9bda413c AL	30
3bcc77ae LE	31	typedef struct FirmwareTestFixture {
	32	/* decides whether we're testing -bios or -pflash */
	33	bool is_bios;
	34	} FirmwareTestFixture;
	35
c37805b6 LE	36	static QPCIBus test_start_get_bus(const TestData s)
	37	{
	38	char *cmdline;
	39
	40	cmdline = g_strdup_printf("-smp %d", s->num_cpus);
	41	qtest_start(cmdline);
	42	g_free(cmdline);
	43	return qpci_init_pc();
	44	}
	45
9bda413c AL	46	static void test_i440fx_defaults(gconstpointer opaque)
	47	{
	48	const TestData *s = opaque;
c37805b6	49	QPCIBus *bus;
9bda413c AL	50	QPCIDevice *dev;
	51	uint32_t value;
	52
c37805b6 LE	53	bus = test_start_get_bus(s);
c37805b6 LE	54	dev = qpci_device_find(bus, QPCI_DEVFN(0, 0));
9bda413c AL	55	g_assert(dev != NULL);
	56
	57	/* 3.2.2 */
	58	g_assert_cmpint(qpci_config_readw(dev, PCI_VENDOR_ID), ==, 0x8086);
	59	/* 3.2.3 */
	60	g_assert_cmpint(qpci_config_readw(dev, PCI_DEVICE_ID), ==, 0x1237);
	61	#ifndef BROKEN
	62	/* 3.2.4 */
	63	g_assert_cmpint(qpci_config_readw(dev, PCI_COMMAND), ==, 0x0006);
	64	/* 3.2.5 */
	65	g_assert_cmpint(qpci_config_readw(dev, PCI_STATUS), ==, 0x0280);
	66	#endif
	67	/* 3.2.7 */
	68	g_assert_cmpint(qpci_config_readb(dev, PCI_CLASS_PROG), ==, 0x00);
	69	g_assert_cmpint(qpci_config_readw(dev, PCI_CLASS_DEVICE), ==, 0x0600);
	70	/* 3.2.8 */
	71	g_assert_cmpint(qpci_config_readb(dev, PCI_LATENCY_TIMER), ==, 0x00);
	72	/* 3.2.9 */
	73	g_assert_cmpint(qpci_config_readb(dev, PCI_HEADER_TYPE), ==, 0x00);
	74	/* 3.2.10 */
	75	g_assert_cmpint(qpci_config_readb(dev, PCI_BIST), ==, 0x00);
	76
	77	/* 3.2.11 */
	78	value = qpci_config_readw(dev, 0x50); /* PMCCFG */
	79	if (s->num_cpus == 1) { /* WPE */
	80	g_assert(!(value & (1 << 15)));
	81	} else {
	82	g_assert((value & (1 << 15)));
	83	}
	84
	85	g_assert(!(value & (1 << 6))); /* EPTE */
	86
	87	/* 3.2.12 */
	88	g_assert_cmpint(qpci_config_readb(dev, 0x52), ==, 0x00); /* DETURBO */
	89	/* 3.2.13 */
	90	#ifndef BROKEN
	91	g_assert_cmpint(qpci_config_readb(dev, 0x53), ==, 0x80); /* DBC */
	92	#endif
	93	/* 3.2.14 */
	94	g_assert_cmpint(qpci_config_readb(dev, 0x54), ==, 0x00); /* AXC */
	95	/* 3.2.15 */
	96	g_assert_cmpint(qpci_config_readw(dev, 0x55), ==, 0x0000); /* DRT */
	97	#ifndef BROKEN
	98	/* 3.2.16 */
	99	g_assert_cmpint(qpci_config_readb(dev, 0x57), ==, 0x01); /* DRAMC */
	100	/* 3.2.17 */
	101	g_assert_cmpint(qpci_config_readb(dev, 0x58), ==, 0x10); /* DRAMT */
	102	#endif
	103	/* 3.2.18 */
	104	g_assert_cmpint(qpci_config_readb(dev, 0x59), ==, 0x00); /* PAM0 */
	105	g_assert_cmpint(qpci_config_readb(dev, 0x5A), ==, 0x00); /* PAM1 */
	106	g_assert_cmpint(qpci_config_readb(dev, 0x5B), ==, 0x00); /* PAM2 */
	107	g_assert_cmpint(qpci_config_readb(dev, 0x5C), ==, 0x00); /* PAM3 */
	108	g_assert_cmpint(qpci_config_readb(dev, 0x5D), ==, 0x00); /* PAM4 */
	109	g_assert_cmpint(qpci_config_readb(dev, 0x5E), ==, 0x00); /* PAM5 */
	110	g_assert_cmpint(qpci_config_readb(dev, 0x5F), ==, 0x00); /* PAM6 */
	111	#ifndef BROKEN
	112	/* 3.2.19 */
	113	g_assert_cmpint(qpci_config_readb(dev, 0x60), ==, 0x01); /* DRB0 */
	114	g_assert_cmpint(qpci_config_readb(dev, 0x61), ==, 0x01); /* DRB1 */
	115	g_assert_cmpint(qpci_config_readb(dev, 0x62), ==, 0x01); /* DRB2 */
	116	g_assert_cmpint(qpci_config_readb(dev, 0x63), ==, 0x01); /* DRB3 */
	117	g_assert_cmpint(qpci_config_readb(dev, 0x64), ==, 0x01); /* DRB4 */
	118	g_assert_cmpint(qpci_config_readb(dev, 0x65), ==, 0x01); /* DRB5 */
119	g_assert_cmpint(qpci_config_readb(dev, 0x66), ==, 0x01); /* DRB6 */
120	g_assert_cmpint(qpci_config_readb(dev, 0x67), ==, 0x01); /* DRB7 */
121	#endif
122	/* 3.2.20 */
123	g_assert_cmpint(qpci_config_readb(dev, 0x68), ==, 0x00); /* FDHC */
124	/* 3.2.21 */
125	g_assert_cmpint(qpci_config_readb(dev, 0x70), ==, 0x00); /* MTT */
126	#ifndef BROKEN
127	/* 3.2.22 */
128	g_assert_cmpint(qpci_config_readb(dev, 0x71), ==, 0x10); /* CLT */
129	#endif
130	/* 3.2.23 */
131	g_assert_cmpint(qpci_config_readb(dev, 0x72), ==, 0x02); /* SMRAM */
132	/* 3.2.24 */
133	g_assert_cmpint(qpci_config_readb(dev, 0x90), ==, 0x00); /* ERRCMD */
134	/* 3.2.25 */
135	g_assert_cmpint(qpci_config_readb(dev, 0x91), ==, 0x00); /* ERRSTS */
136	/* 3.2.26 */
137	g_assert_cmpint(qpci_config_readb(dev, 0x93), ==, 0x00); /* TRC */
c37805b6 LE	138
c37805b6 LE	139	qtest_end();
9bda413c AL	140	}
9bda413c AL	141
a875711a AL	142	#define PAM_RE 1
	143	#define PAM_WE 2
	144
	145	static void pam_set(QPCIDevice *dev, int index, int flags)
	146	{
	147	int regno = 0x59 + (index / 2);
	148	uint8_t reg;
	149
	150	reg = qpci_config_readb(dev, regno);
	151	if (index & 1) {
	152	reg = (reg & 0x0F) \| (flags << 4);
	153	} else {
	154	reg = (reg & 0xF0) \| flags;
	155	}
	156	qpci_config_writeb(dev, regno, reg);
	157	}
	158
	159	static gboolean verify_area(uint32_t start, uint32_t end, uint8_t value)
	160	{
	161	uint32_t size = end - start + 1;
	162	gboolean ret = TRUE;
	163	uint8_t *data;
	164	int i;
	165
	166	data = g_malloc0(size);
	167	memread(start, data, size);
	168
	169	g_test_message("verify_area: data[0] = 0x%x", data[0]);
	170
	171	for (i = 0; i < size; i++) {
	172	if (data[i] != value) {
	173	ret = FALSE;
	174	break;
	175	}
	176	}
	177
	178	g_free(data);
	179
	180	return ret;
	181	}
	182
	183	static void write_area(uint32_t start, uint32_t end, uint8_t value)
	184	{
	185	uint32_t size = end - start + 1;
	186	uint8_t *data;
	187
11231786	188	data = g_malloc(size);
a875711a AL	189	memset(data, value, size);
	190	memwrite(start, data, size);
	191
	192	g_free(data);
	193	}
	194
	195	static void test_i440fx_pam(gconstpointer opaque)
	196	{
	197	const TestData *s = opaque;
c37805b6	198	QPCIBus *bus;
a875711a AL	199	QPCIDevice *dev;
	200	int i;
	201	static struct {
	202	uint32_t start;
	203	uint32_t end;
	204	} pam_area[] = {
	205	{ 0, 0 }, /* Reserved */
	206	{ 0xF0000, 0xFFFFF }, /* BIOS Area */
	207	{ 0xC0000, 0xC3FFF }, /* Option ROM */
	208	{ 0xC4000, 0xC7FFF }, /* Option ROM */
	209	{ 0xC8000, 0xCBFFF }, /* Option ROM */
	210	{ 0xCC000, 0xCFFFF }, /* Option ROM */
	211	{ 0xD0000, 0xD3FFF }, /* Option ROM */
	212	{ 0xD4000, 0xD7FFF }, /* Option ROM */
	213	{ 0xD8000, 0xDBFFF }, /* Option ROM */
	214	{ 0xDC000, 0xDFFFF }, /* Option ROM */
	215	{ 0xE0000, 0xE3FFF }, /* BIOS Extension */
	216	{ 0xE4000, 0xE7FFF }, /* BIOS Extension */
	217	{ 0xE8000, 0xEBFFF }, /* BIOS Extension */
	218	{ 0xEC000, 0xEFFFF }, /* BIOS Extension */
	219	};
	220
c37805b6 LE	221	bus = test_start_get_bus(s);
c37805b6 LE	222	dev = qpci_device_find(bus, QPCI_DEVFN(0, 0));
a875711a AL	223	g_assert(dev != NULL);
	224
	225	for (i = 0; i < ARRAY_SIZE(pam_area); i++) {
	226	if (pam_area[i].start == pam_area[i].end) {
	227	continue;
	228	}
	229
	230	g_test_message("Checking area 0x%05x..0x%05x",
	231	pam_area[i].start, pam_area[i].end);
	232	/* Switch to RE for the area */
	233	pam_set(dev, i, PAM_RE);
	234	/* Verify the RAM is all zeros */
	235	g_assert(verify_area(pam_area[i].start, pam_area[i].end, 0));
	236
	237	/* Switch to WE for the area */
	238	pam_set(dev, i, PAM_RE \| PAM_WE);
	239	/* Write out a non-zero mask to the full area */
	240	write_area(pam_area[i].start, pam_area[i].end, 0x42);
	241
	242	#ifndef BROKEN
	243	/* QEMU only supports a limited form of PAM */
	244
	245	/* Switch to !RE for the area */
	246	pam_set(dev, i, PAM_WE);
	247	/* Verify the area is not our mask */
	248	g_assert(!verify_area(pam_area[i].start, pam_area[i].end, 0x42));
	249	#endif
	250
	251	/* Verify the area is our new mask */
	252	g_assert(verify_area(pam_area[i].start, pam_area[i].end, 0x42));
	253
	254	/* Write out a new mask */
	255	write_area(pam_area[i].start, pam_area[i].end, 0x82);
	256
	257	#ifndef BROKEN
	258	/* QEMU only supports a limited form of PAM */
	259
	260	/* Verify the area is not our mask */
	261	g_assert(!verify_area(pam_area[i].start, pam_area[i].end, 0x82));
	262
	263	/* Switch to RE for the area */
	264	pam_set(dev, i, PAM_RE \| PAM_WE);
	265	#endif
	266	/* Verify the area is our new mask */
	267	g_assert(verify_area(pam_area[i].start, pam_area[i].end, 0x82));
	268
	269	/* Reset area */
	270	pam_set(dev, i, 0);
	271
	272	/* Verify the area is not our new mask */
	273	g_assert(!verify_area(pam_area[i].start, pam_area[i].end, 0x82));
	274	}
c37805b6	275	qtest_end();
a875711a AL	276	}
a875711a AL	277
27d59ccd	278	#define BLOB_SIZE ((size_t)65536)
3bcc77ae	279	#define ISA_BIOS_MAXSZ ((size_t)(128 * 1024))
27d59ccd LE	280
	281	/* Create a blob file, and return its absolute pathname as a dynamically
	282	* allocated string.
	283	* The file is closed before the function returns.
	284	* In case of error, NULL is returned. The function prints the error message.
	285	*/
	286	static char *create_blob_file(void)
	287	{
	288	int ret, fd;
	289	char *pathname;
	290	GError *error = NULL;
	291
	292	ret = -1;
	293	fd = g_file_open_tmp("blob_XXXXXX", &pathname, &error);
	294	if (fd == -1) {
	295	fprintf(stderr, "unable to create blob file: %s\n", error->message);
	296	g_error_free(error);
	297	} else {
	298	if (ftruncate(fd, BLOB_SIZE) == -1) {
	299	fprintf(stderr, "ftruncate(\"%s\", %zu): %s\n", pathname,
	300	BLOB_SIZE, strerror(errno));
	301	} else {
	302	void *buf;
	303
	304	buf = mmap(NULL, BLOB_SIZE, PROT_WRITE, MAP_SHARED, fd, 0);
	305	if (buf == MAP_FAILED) {
	306	fprintf(stderr, "mmap(\"%s\", %zu): %s\n", pathname, BLOB_SIZE,
	307	strerror(errno));
	308	} else {
	309	size_t i;
	310
	311	for (i = 0; i < BLOB_SIZE; ++i) {
	312	((uint8_t *)buf)[i] = i;
	313	}
	314	munmap(buf, BLOB_SIZE);
	315	ret = 0;
	316	}
	317	}
	318	close(fd);
	319	if (ret == -1) {
	320	unlink(pathname);
	321	g_free(pathname);
	322	}
	323	}
	324
	325	return ret == -1 ? NULL : pathname;
	326	}
	327
3bcc77ae LE	328	static void test_i440fx_firmware(FirmwareTestFixture *fixture,
3bcc77ae LE	329	gconstpointer user_data)
9bda413c	330	{
3bcc77ae LE	331	char fw_pathname, cmdline;
	332	uint8_t *buf;
	333	size_t i, isa_bios_size;
9bda413c	334
27d59ccd LE	335	fw_pathname = create_blob_file();
27d59ccd LE	336	g_assert(fw_pathname != NULL);
3bcc77ae LE	337
3bcc77ae LE	338	/* Better hope the user didn't put metacharacters in TMPDIR and co. */
b8e665e4 KW	339	cmdline = g_strdup_printf("-S %s%s", fixture->is_bios
	340	? "-bios "
	341	: "-drive if=pflash,format=raw,file=",
3bcc77ae LE	342	fw_pathname);
	343	g_test_message("qemu cmdline: %s", cmdline);
	344	qtest_start(cmdline);
	345	g_free(cmdline);
	346
a63e5e0c	347	/* QEMU has loaded the firmware (because qtest_start() only returns after
3bcc77ae LE	348	* the QMP handshake completes). We must unlink the firmware blob right
	349	* here, because any assertion firing below would leak it in the
	350	* filesystem. This is also the reason why we recreate the blob every time
	351	* this function is invoked.
	352	*/
27d59ccd LE	353	unlink(fw_pathname);
	354	g_free(fw_pathname);
	355
3bcc77ae LE	356	/* check below 4G */
	357	buf = g_malloc0(BLOB_SIZE);
	358	memread(0x100000000ULL - BLOB_SIZE, buf, BLOB_SIZE);
	359	for (i = 0; i < BLOB_SIZE; ++i) {
	360	g_assert_cmphex(buf[i], ==, (uint8_t)i);
	361	}
	362
	363	/* check in ISA space too */
	364	memset(buf, 0, BLOB_SIZE);
	365	isa_bios_size = ISA_BIOS_MAXSZ < BLOB_SIZE ? ISA_BIOS_MAXSZ : BLOB_SIZE;
	366	memread(0x100000 - isa_bios_size, buf, isa_bios_size);
	367	for (i = 0; i < isa_bios_size; ++i) {
	368	g_assert_cmphex(buf[i], ==,
	369	(uint8_t)((BLOB_SIZE - isa_bios_size) + i));
	370	}
	371
	372	g_free(buf);
	373	qtest_end();
	374	}
	375
	376	static void add_firmware_test(const char *testpath,
	377	void (setup_fixture)(FirmwareTestFixture f,
	378	gconstpointer test_data))
	379	{
6ca90ffe AF	380	qtest_add(testpath, FirmwareTestFixture, NULL, setup_fixture,
6ca90ffe AF	381	test_i440fx_firmware, NULL);
3bcc77ae LE	382	}
	383
	384	static void request_bios(FirmwareTestFixture *fixture,
	385	gconstpointer user_data)
	386	{
	387	fixture->is_bios = true;
	388	}
	389
	390	static void request_pflash(FirmwareTestFixture *fixture,
	391	gconstpointer user_data)
	392	{
	393	fixture->is_bios = false;
	394	}
	395
	396	int main(int argc, char **argv)
	397	{
	398	TestData data;
	399	int ret;
	400
	401	g_test_init(&argc, &argv, NULL);
	402
9bda413c AL	403	data.num_cpus = 1;
9bda413c AL	404
6ca90ffe AF	405	qtest_add_data_func("i440fx/defaults", &data, test_i440fx_defaults);
	406	qtest_add_data_func("i440fx/pam", &data, test_i440fx_pam);
	407	add_firmware_test("i440fx/firmware/bios", request_bios);
	408	add_firmware_test("i440fx/firmware/pflash", request_pflash);
9bda413c AL	409
9bda413c AL	410	ret = g_test_run();
9bda413c AL	411	return ret;
9bda413c AL	412	}