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-rw-r--r--qemu/tests/fdc-test.c591
1 files changed, 0 insertions, 591 deletions
diff --git a/qemu/tests/fdc-test.c b/qemu/tests/fdc-test.c
deleted file mode 100644
index 53df1d0d8..000000000
--- a/qemu/tests/fdc-test.c
+++ /dev/null
@@ -1,591 +0,0 @@
-/*
- * Floppy test cases.
- *
- * Copyright (c) 2012 Kevin Wolf <kwolf@redhat.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-
-#include <glib.h>
-
-#include "libqtest.h"
-#include "qemu-common.h"
-
-#define TEST_IMAGE_SIZE 1440 * 1024
-
-#define FLOPPY_BASE 0x3f0
-#define FLOPPY_IRQ 6
-
-enum {
- reg_sra = 0x0,
- reg_srb = 0x1,
- reg_dor = 0x2,
- reg_msr = 0x4,
- reg_dsr = 0x4,
- reg_fifo = 0x5,
- reg_dir = 0x7,
-};
-
-enum {
- CMD_SENSE_INT = 0x08,
- CMD_READ_ID = 0x0a,
- CMD_SEEK = 0x0f,
- CMD_VERIFY = 0x16,
- CMD_READ = 0xe6,
- CMD_RELATIVE_SEEK_OUT = 0x8f,
- CMD_RELATIVE_SEEK_IN = 0xcf,
-};
-
-enum {
- BUSY = 0x10,
- NONDMA = 0x20,
- RQM = 0x80,
- DIO = 0x40,
-
- DSKCHG = 0x80,
-};
-
-static char test_image[] = "/tmp/qtest.XXXXXX";
-
-#define assert_bit_set(data, mask) g_assert_cmphex((data) & (mask), ==, (mask))
-#define assert_bit_clear(data, mask) g_assert_cmphex((data) & (mask), ==, 0)
-
-static uint8_t base = 0x70;
-
-enum {
- CMOS_FLOPPY = 0x10,
-};
-
-static void floppy_send(uint8_t byte)
-{
- uint8_t msr;
-
- msr = inb(FLOPPY_BASE + reg_msr);
- assert_bit_set(msr, RQM);
- assert_bit_clear(msr, DIO);
-
- outb(FLOPPY_BASE + reg_fifo, byte);
-}
-
-static uint8_t floppy_recv(void)
-{
- uint8_t msr;
-
- msr = inb(FLOPPY_BASE + reg_msr);
- assert_bit_set(msr, RQM | DIO);
-
- return inb(FLOPPY_BASE + reg_fifo);
-}
-
-/* pcn: Present Cylinder Number */
-static void ack_irq(uint8_t *pcn)
-{
- uint8_t ret;
-
- g_assert(get_irq(FLOPPY_IRQ));
- floppy_send(CMD_SENSE_INT);
- floppy_recv();
-
- ret = floppy_recv();
- if (pcn != NULL) {
- *pcn = ret;
- }
-
- g_assert(!get_irq(FLOPPY_IRQ));
-}
-
-static uint8_t send_read_command(uint8_t cmd)
-{
- uint8_t drive = 0;
- uint8_t head = 0;
- uint8_t cyl = 0;
- uint8_t sect_addr = 1;
- uint8_t sect_size = 2;
- uint8_t eot = 1;
- uint8_t gap = 0x1b;
- uint8_t gpl = 0xff;
-
- uint8_t msr = 0;
- uint8_t st0;
-
- uint8_t ret = 0;
-
- floppy_send(cmd);
- floppy_send(head << 2 | drive);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(cyl);
- floppy_send(head);
- floppy_send(sect_addr);
- floppy_send(sect_size);
- floppy_send(eot);
- floppy_send(gap);
- floppy_send(gpl);
-
- uint8_t i = 0;
- uint8_t n = 2;
- for (; i < n; i++) {
- msr = inb(FLOPPY_BASE + reg_msr);
- if (msr == 0xd0) {
- break;
- }
- sleep(1);
- }
-
- if (i >= n) {
- return 1;
- }
-
- st0 = floppy_recv();
- if (st0 != 0x40) {
- ret = 1;
- }
-
- floppy_recv();
- floppy_recv();
- floppy_recv();
- floppy_recv();
- floppy_recv();
- floppy_recv();
-
- return ret;
-}
-
-static uint8_t send_read_no_dma_command(int nb_sect, uint8_t expected_st0)
-{
- uint8_t drive = 0;
- uint8_t head = 0;
- uint8_t cyl = 0;
- uint8_t sect_addr = 1;
- uint8_t sect_size = 2;
- uint8_t eot = nb_sect;
- uint8_t gap = 0x1b;
- uint8_t gpl = 0xff;
-
- uint8_t msr = 0;
- uint8_t st0;
-
- uint8_t ret = 0;
-
- floppy_send(CMD_READ);
- floppy_send(head << 2 | drive);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(cyl);
- floppy_send(head);
- floppy_send(sect_addr);
- floppy_send(sect_size);
- floppy_send(eot);
- floppy_send(gap);
- floppy_send(gpl);
-
- uint16_t i = 0;
- uint8_t n = 2;
- for (; i < n; i++) {
- msr = inb(FLOPPY_BASE + reg_msr);
- if (msr == (BUSY | NONDMA | DIO | RQM)) {
- break;
- }
- sleep(1);
- }
-
- if (i >= n) {
- return 1;
- }
-
- /* Non-DMA mode */
- for (i = 0; i < 512 * 2 * nb_sect; i++) {
- msr = inb(FLOPPY_BASE + reg_msr);
- assert_bit_set(msr, BUSY | RQM | DIO);
- inb(FLOPPY_BASE + reg_fifo);
- }
-
- msr = inb(FLOPPY_BASE + reg_msr);
- assert_bit_set(msr, BUSY | RQM | DIO);
- g_assert(get_irq(FLOPPY_IRQ));
-
- st0 = floppy_recv();
- if (st0 != expected_st0) {
- ret = 1;
- }
-
- floppy_recv();
- floppy_recv();
- floppy_recv();
- floppy_recv();
- floppy_recv();
- g_assert(get_irq(FLOPPY_IRQ));
- floppy_recv();
-
- /* Check that we're back in command phase */
- msr = inb(FLOPPY_BASE + reg_msr);
- assert_bit_clear(msr, BUSY | DIO);
- assert_bit_set(msr, RQM);
- g_assert(!get_irq(FLOPPY_IRQ));
-
- return ret;
-}
-
-static void send_seek(int cyl)
-{
- int drive = 0;
- int head = 0;
-
- floppy_send(CMD_SEEK);
- floppy_send(head << 2 | drive);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(cyl);
- ack_irq(NULL);
-}
-
-static uint8_t cmos_read(uint8_t reg)
-{
- outb(base + 0, reg);
- return inb(base + 1);
-}
-
-static void test_cmos(void)
-{
- uint8_t cmos;
-
- cmos = cmos_read(CMOS_FLOPPY);
- g_assert(cmos == 0x40 || cmos == 0x50);
-}
-
-static void test_no_media_on_start(void)
-{
- uint8_t dir;
-
- /* Media changed bit must be set all time after start if there is
- * no media in drive. */
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- send_seek(1);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
-}
-
-static void test_read_without_media(void)
-{
- uint8_t ret;
-
- ret = send_read_command(CMD_READ);
- g_assert(ret == 0);
-}
-
-static void test_media_insert(void)
-{
- uint8_t dir;
-
- /* Insert media in drive. DSKCHK should not be reset until a step pulse
- * is sent. */
- qmp_discard_response("{'execute':'change', 'arguments':{"
- " 'device':'floppy0', 'target': %s, 'arg': 'raw' }}",
- test_image);
-
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
-
- send_seek(0);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
-
- /* Step to next track should clear DSKCHG bit. */
- send_seek(1);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_clear(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_clear(dir, DSKCHG);
-}
-
-static void test_media_change(void)
-{
- uint8_t dir;
-
- test_media_insert();
-
- /* Eject the floppy and check that DSKCHG is set. Reading it out doesn't
- * reset the bit. */
- qmp_discard_response("{'execute':'eject', 'arguments':{"
- " 'device':'floppy0' }}");
-
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
-
- send_seek(0);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
-
- send_seek(1);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
- dir = inb(FLOPPY_BASE + reg_dir);
- assert_bit_set(dir, DSKCHG);
-}
-
-static void test_sense_interrupt(void)
-{
- int drive = 0;
- int head = 0;
- int cyl = 0;
- int ret = 0;
-
- floppy_send(CMD_SENSE_INT);
- ret = floppy_recv();
- g_assert(ret == 0x80);
-
- floppy_send(CMD_SEEK);
- floppy_send(head << 2 | drive);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(cyl);
-
- floppy_send(CMD_SENSE_INT);
- ret = floppy_recv();
- g_assert(ret == 0x20);
- floppy_recv();
-}
-
-static void test_relative_seek(void)
-{
- uint8_t drive = 0;
- uint8_t head = 0;
- uint8_t cyl = 1;
- uint8_t pcn;
-
- /* Send seek to track 0 */
- send_seek(0);
-
- /* Send relative seek to increase track by 1 */
- floppy_send(CMD_RELATIVE_SEEK_IN);
- floppy_send(head << 2 | drive);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(cyl);
-
- ack_irq(&pcn);
- g_assert(pcn == 1);
-
- /* Send relative seek to decrease track by 1 */
- floppy_send(CMD_RELATIVE_SEEK_OUT);
- floppy_send(head << 2 | drive);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(cyl);
-
- ack_irq(&pcn);
- g_assert(pcn == 0);
-}
-
-static void test_read_id(void)
-{
- uint8_t drive = 0;
- uint8_t head = 0;
- uint8_t cyl;
- uint8_t st0;
- uint8_t msr;
-
- /* Seek to track 0 and check with READ ID */
- send_seek(0);
-
- floppy_send(CMD_READ_ID);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(head << 2 | drive);
-
- msr = inb(FLOPPY_BASE + reg_msr);
- if (!get_irq(FLOPPY_IRQ)) {
- assert_bit_set(msr, BUSY);
- assert_bit_clear(msr, RQM);
- }
-
- while (!get_irq(FLOPPY_IRQ)) {
- /* qemu involves a timer with READ ID... */
- clock_step(1000000000LL / 50);
- }
-
- msr = inb(FLOPPY_BASE + reg_msr);
- assert_bit_set(msr, BUSY | RQM | DIO);
-
- st0 = floppy_recv();
- floppy_recv();
- floppy_recv();
- cyl = floppy_recv();
- head = floppy_recv();
- floppy_recv();
- g_assert(get_irq(FLOPPY_IRQ));
- floppy_recv();
- g_assert(!get_irq(FLOPPY_IRQ));
-
- g_assert_cmpint(cyl, ==, 0);
- g_assert_cmpint(head, ==, 0);
- g_assert_cmpint(st0, ==, head << 2);
-
- /* Seek to track 8 on head 1 and check with READ ID */
- head = 1;
- cyl = 8;
-
- floppy_send(CMD_SEEK);
- floppy_send(head << 2 | drive);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(cyl);
- g_assert(get_irq(FLOPPY_IRQ));
- ack_irq(NULL);
-
- floppy_send(CMD_READ_ID);
- g_assert(!get_irq(FLOPPY_IRQ));
- floppy_send(head << 2 | drive);
-
- msr = inb(FLOPPY_BASE + reg_msr);
- if (!get_irq(FLOPPY_IRQ)) {
- assert_bit_set(msr, BUSY);
- assert_bit_clear(msr, RQM);
- }
-
- while (!get_irq(FLOPPY_IRQ)) {
- /* qemu involves a timer with READ ID... */
- clock_step(1000000000LL / 50);
- }
-
- msr = inb(FLOPPY_BASE + reg_msr);
- assert_bit_set(msr, BUSY | RQM | DIO);
-
- st0 = floppy_recv();
- floppy_recv();
- floppy_recv();
- cyl = floppy_recv();
- head = floppy_recv();
- floppy_recv();
- g_assert(get_irq(FLOPPY_IRQ));
- floppy_recv();
- g_assert(!get_irq(FLOPPY_IRQ));
-
- g_assert_cmpint(cyl, ==, 8);
- g_assert_cmpint(head, ==, 1);
- g_assert_cmpint(st0, ==, head << 2);
-}
-
-static void test_read_no_dma_1(void)
-{
- uint8_t ret;
-
- outb(FLOPPY_BASE + reg_dor, inb(FLOPPY_BASE + reg_dor) & ~0x08);
- send_seek(0);
- ret = send_read_no_dma_command(1, 0x04);
- g_assert(ret == 0);
-}
-
-static void test_read_no_dma_18(void)
-{
- uint8_t ret;
-
- outb(FLOPPY_BASE + reg_dor, inb(FLOPPY_BASE + reg_dor) & ~0x08);
- send_seek(0);
- ret = send_read_no_dma_command(18, 0x04);
- g_assert(ret == 0);
-}
-
-static void test_read_no_dma_19(void)
-{
- uint8_t ret;
-
- outb(FLOPPY_BASE + reg_dor, inb(FLOPPY_BASE + reg_dor) & ~0x08);
- send_seek(0);
- ret = send_read_no_dma_command(19, 0x20);
- g_assert(ret == 0);
-}
-
-static void test_verify(void)
-{
- uint8_t ret;
-
- ret = send_read_command(CMD_VERIFY);
- g_assert(ret == 0);
-}
-
-/* success if no crash or abort */
-static void fuzz_registers(void)
-{
- unsigned int i;
-
- for (i = 0; i < 1000; i++) {
- uint8_t reg, val;
-
- reg = (uint8_t)g_test_rand_int_range(0, 8);
- val = (uint8_t)g_test_rand_int_range(0, 256);
-
- outb(FLOPPY_BASE + reg, val);
- inb(FLOPPY_BASE + reg);
- }
-}
-
-int main(int argc, char **argv)
-{
- const char *arch = qtest_get_arch();
- int fd;
- int ret;
-
- /* Check architecture */
- if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
- g_test_message("Skipping test for non-x86\n");
- return 0;
- }
-
- /* Create a temporary raw image */
- fd = mkstemp(test_image);
- g_assert(fd >= 0);
- ret = ftruncate(fd, TEST_IMAGE_SIZE);
- g_assert(ret == 0);
- close(fd);
-
- /* Run the tests */
- g_test_init(&argc, &argv, NULL);
-
- qtest_start(NULL);
- qtest_irq_intercept_in(global_qtest, "ioapic");
- qtest_add_func("/fdc/cmos", test_cmos);
- qtest_add_func("/fdc/no_media_on_start", test_no_media_on_start);
- qtest_add_func("/fdc/read_without_media", test_read_without_media);
- qtest_add_func("/fdc/media_change", test_media_change);
- qtest_add_func("/fdc/sense_interrupt", test_sense_interrupt);
- qtest_add_func("/fdc/relative_seek", test_relative_seek);
- qtest_add_func("/fdc/read_id", test_read_id);
- qtest_add_func("/fdc/verify", test_verify);
- qtest_add_func("/fdc/media_insert", test_media_insert);
- qtest_add_func("/fdc/read_no_dma_1", test_read_no_dma_1);
- qtest_add_func("/fdc/read_no_dma_18", test_read_no_dma_18);
- qtest_add_func("/fdc/read_no_dma_19", test_read_no_dma_19);
- qtest_add_func("/fdc/fuzz-registers", fuzz_registers);
-
- ret = g_test_run();
-
- /* Cleanup */
- qtest_end();
- unlink(test_image);
-
- return ret;
-}