};
enum {
+ BUSY = 0x10,
+ NONDMA = 0x20,
RQM = 0x80,
DIO = 0x40,
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);
+ }
+
+ st0 = floppy_recv();
+ if (st0 != expected_st0) {
+ ret = 1;
+ }
+
+ floppy_recv();
+ floppy_recv();
+ floppy_recv();
+ floppy_recv();
+ floppy_recv();
+ floppy_recv();
+
+ return ret;
+}
+
static void send_seek(int cyl)
{
int drive = 0;
g_assert(pcn == 0);
}
+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, 0x24); /* FIXME: should be 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, 0x24); /* FIXME: should be 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);
+}
+
/* success if no crash or abort */
static void fuzz_registers(void)
{
qtest_add_func("/fdc/sense_interrupt", test_sense_interrupt);
qtest_add_func("/fdc/relative_seek", test_relative_seek);
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();