The test is based on bios-tables-test.c. It creates a file with
a boot sector image and loads it into a guest using PXE and TFTP
functionality.
Cc: Jason Wang <jasow...@redhat.com>
Signed-off-by: Victor Kaplansky <vict...@redhat.com>
Suggested-by: Michael S. Tsirkin <m...@redhat.com>
---
tests/pxe-test.c | 141 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/Makefile | 2 +
2 files changed, 143 insertions(+)
create mode 100644 tests/pxe-test.c
diff --git a/tests/pxe-test.c b/tests/pxe-test.c
new file mode 100644
index 00000000..3a45698d
--- /dev/null
+++ b/tests/pxe-test.c
@@ -0,0 +1,141 @@
+/*
+ * PXE test cases.
+ *
+ * Copyright (c) 2013 Red Hat Inc.
+ *
+ * Authors:
+ * Michael S. Tsirkin <m...@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 <string.h>
+#include <stdio.h>
+#include <glib.h>
+#include <glib/gstdio.h>
+#include "qemu-common.h"
+#include "libqtest.h"
+
+#define LOW(x) ((x) & 0xff)
+#define HIGH(x) ((x) >> 8)
+
+#define SIGNATURE 0xdead
+#define SIGNATURE_OFFSET 0x10
+#define BOOT_SECTOR_ADDRESS 0x7c00
+#define NETNAME "net0"
+
+/* Boot sector code: write SIGNATURE into memory,
+ * then halt.
+ * Q35 machine requires a minimum 0x7e000 bytes disk.
+ * (bug or feature?)
+ */
+static uint8_t boot_sector[0x7e000] = {
+ /* The first sector will be placed at RAM address 00007C00, and
+ * the BIOS transfers control to 00007C00
+ */
+
+ /* Data Segment register should be initialized, since pxe
+ * boot loader can leave it dirty.
+ */
+
+ /* 7c00: move $0000,%ax */
+ [0x00] = 0xb8,
+ [0x01] = 0x00,
+ [0x02] = 0x00,
+ /* 7c03: move %ax,%ds */
+ [0x03] = 0x8e,
+ [0x04] = 0xd8,
+
+ /* 7c05: mov $0xdead,%ax */
+ [0x05] = 0xb8,
+ [0x06] = LOW(SIGNATURE),
+ [0x07] = HIGH(SIGNATURE),
+ /* 7c08: mov %ax,0x7c10 */
+ [0x08] = 0xa3,
+ [0x09] = LOW(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
+ [0x0a] = HIGH(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET),
+
+ /* 7c0b cli */
+ [0x0b] = 0xfa,
+ /* 7c0c: hlt */
+ [0x0c] = 0xf4,
+ /* 7c0e: jmp 0x7c07=0x7c0f-3 */
+ [0x0d] = 0xeb,
+ [0x0e] = LOW(-3),
+ /* We mov 0xdead here: set value to make debugging easier */
+ [SIGNATURE_OFFSET] = LOW(0xface),
+ [SIGNATURE_OFFSET + 1] = HIGH(0xface),
+ /* End of boot sector marker */
+ [0x1FE] = 0x55,
+ [0x1FF] = 0xAA,
+};
+
+static const char *disk = "tests/pxe-test-disk.raw";
+
+static void test_pxe_e1000_one(const char *params)
+{
+ char *args;
+ uint8_t signature_low;
+ uint8_t signature_high;
+ uint16_t signature;
+ int i;
+
+ args = g_strdup_printf("-machine accel=tcg "
+ "-netdev user,id=" NETNAME ",tftp=./,bootfile=%s "
+ "%s ",
+ disk, params);
+
+ qtest_start(args);
+
+ /* Wait at most 1 minute */
+#define TEST_DELAY (1 * G_USEC_PER_SEC / 10)
+#define TEST_CYCLES MAX((60 * G_USEC_PER_SEC / TEST_DELAY), 1)
+
+ /* Poll until code has run and modified memory. Once it has we know BIOS
+ * initialization is done. TODO: check that IP reached the halt
+ * instruction.
+ */
+ for (i = 0; i < TEST_CYCLES; ++i) {
+ signature_low = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET);
+ signature_high = readb(BOOT_SECTOR_ADDRESS + SIGNATURE_OFFSET + 1);
+ signature = (signature_high << 8) | signature_low;
+ if (signature == SIGNATURE) {
+ break;
+ }
+ g_usleep(TEST_DELAY);
+ }
+
+ g_assert_cmphex(signature, ==, SIGNATURE);
+
+ qtest_quit(global_qtest);
+ g_free(args);
+}
+
+static void test_pxe_e1000(void)
+{
+ test_pxe_e1000_one("-device virtio-net-pci,netdev=" NETNAME);
+}
+
+int main(int argc, char *argv[])
+{
+ const char *arch = qtest_get_arch();
+ FILE *f = fopen(disk, "w");
+ int ret;
+
+ if (!f) {
+ fprintf(stderr, "Couldn't open \"%s\": %s", disk, strerror(errno));
+ return 1;
+ }
+ fwrite(boot_sector, 1, sizeof boot_sector, f);
+ fclose(f);
+
+ g_test_init(&argc, &argv, NULL);
+
+ if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+ qtest_add_func("pxe/e1000", test_pxe_e1000);
+ }
+ ret = g_test_run();
+ unlink(disk);
+ return ret;
+}
diff --git a/tests/Makefile b/tests/Makefile
index 650e654e..2de51e4d 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -173,6 +173,7 @@ check-qtest-i386-y += tests/hd-geo-test$(EXESUF)
gcov-files-i386-y += hw/block/hd-geometry.c
check-qtest-i386-y += tests/boot-order-test$(EXESUF)
check-qtest-i386-y += tests/bios-tables-test$(EXESUF)
+check-qtest-i386-y += tests/pxe-test$(EXESUF)
check-qtest-i386-y += tests/rtc-test$(EXESUF)
check-qtest-i386-y += tests/ipmi-kcs-test$(EXESUF)
check-qtest-i386-y += tests/ipmi-bt-test$(EXESUF)
@@ -519,6 +520,7 @@ tests/ipmi-bt-test$(EXESUF): tests/ipmi-bt-test.o
tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o
tests/boot-order-test$(EXESUF): tests/boot-order-test.o $(libqos-obj-y)
tests/bios-tables-test$(EXESUF): tests/bios-tables-test.o $(libqos-obj-y)
+tests/pxe-test$(EXESUF): tests/pxe-test.o $(libqos-obj-y)
tests/tmp105-test$(EXESUF): tests/tmp105-test.o $(libqos-omap-obj-y)
tests/ds1338-test$(EXESUF): tests/ds1338-test.o $(libqos-imx-obj-y)
tests/i440fx-test$(EXESUF): tests/i440fx-test.o $(libqos-pc-obj-y)
--
--Victor
