diff options
Diffstat (limited to 'tests/fdc-test.c')
| -rw-r--r-- | tests/fdc-test.c | 131 |
1 files changed, 123 insertions, 8 deletions
diff --git a/tests/fdc-test.c b/tests/fdc-test.c index 22d24ac7dc..585fb0e343 100644 --- a/tests/fdc-test.c +++ b/tests/fdc-test.c @@ -49,6 +49,7 @@ enum { enum { CMD_SENSE_INT = 0x08, CMD_SEEK = 0x0f, + CMD_READ = 0xe6, }; enum { @@ -99,19 +100,72 @@ static void ack_irq(void) g_assert(!get_irq(FLOPPY_IRQ)); } -static void send_step_pulse(void) +static uint8_t send_read_command(void) +{ + 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_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); + + 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 != 0x60) { + ret = 1; + } + + floppy_recv(); + floppy_recv(); + floppy_recv(); + floppy_recv(); + floppy_recv(); + floppy_recv(); + + return ret; +} + +static void send_step_pulse(int cyl) { int drive = 0; int head = 0; - static int cyl = 0; floppy_send(CMD_SEEK); floppy_send(head << 2 | drive); g_assert(!get_irq(FLOPPY_IRQ)); floppy_send(cyl); ack_irq(); - - cyl = (cyl + 1) % 4; } static uint8_t cmos_read(uint8_t reg) @@ -138,14 +192,21 @@ static void test_no_media_on_start(void) assert_bit_set(dir, DSKCHG); dir = inb(FLOPPY_BASE + reg_dir); assert_bit_set(dir, DSKCHG); - send_step_pulse(); - send_step_pulse(); + send_step_pulse(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(); + g_assert(ret == 0); +} + static void test_media_change(void) { uint8_t dir; @@ -162,7 +223,14 @@ static void test_media_change(void) dir = inb(FLOPPY_BASE + reg_dir); assert_bit_set(dir, DSKCHG); - send_step_pulse(); + send_step_pulse(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_step_pulse(1); dir = inb(FLOPPY_BASE + reg_dir); assert_bit_clear(dir, DSKCHG); dir = inb(FLOPPY_BASE + reg_dir); @@ -178,13 +246,57 @@ static void test_media_change(void) dir = inb(FLOPPY_BASE + reg_dir); assert_bit_set(dir, DSKCHG); - send_step_pulse(); + send_step_pulse(0); + dir = inb(FLOPPY_BASE + reg_dir); + assert_bit_set(dir, DSKCHG); + dir = inb(FLOPPY_BASE + reg_dir); + assert_bit_set(dir, DSKCHG); + + send_step_pulse(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(); +} + +/* 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(); @@ -214,7 +326,10 @@ int main(int argc, char **argv) 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/fuzz-registers", fuzz_registers); ret = g_test_run(); |