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fdc-test: Clean up a bit 

Readability of the test code has suffered as the test case evolved. This
should improve it a bit again.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2012-07-16 16:06:56 +02:00
parent 98272dbb5c
commit c3cdc1b0ff
1 changed files with 21 additions and 17 deletions
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38
tests/fdc-test.c
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@ -93,17 +93,21 @@ static uint8_t floppy_recv(void)
return inb(FLOPPY_BASE + reg_fifo);
}
static uint8_t ack_irq(void)
/* 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();
g_assert(!get_irq(FLOPPY_IRQ));
return ret;
ret = floppy_recv();
if (pcn != NULL) {
*pcn = ret;
}
g_assert(!get_irq(FLOPPY_IRQ));
}
static uint8_t send_read_command(void)
@ -162,7 +166,7 @@ static uint8_t send_read_command(void)
return ret;
}
static void send_step_pulse(int cyl)
static void send_seek(int cyl)
{
int drive = 0;
int head = 0;
@ -171,7 +175,7 @@ static void send_step_pulse(int cyl)
floppy_send(head << 2 | drive);
g_assert(!get_irq(FLOPPY_IRQ));
floppy_send(cyl);
ack_irq();
ack_irq(NULL);
}
static uint8_t cmos_read(uint8_t reg)
@ -198,7 +202,7 @@ 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(1);
send_seek(1);
dir = inb(FLOPPY_BASE + reg_dir);
assert_bit_set(dir, DSKCHG);
dir = inb(FLOPPY_BASE + reg_dir);
@ -229,14 +233,14 @@ static void test_media_change(void)
dir = inb(FLOPPY_BASE + reg_dir);
assert_bit_set(dir, DSKCHG);
send_step_pulse(0);
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_step_pulse(1);
send_seek(1);
dir = inb(FLOPPY_BASE + reg_dir);
assert_bit_clear(dir, DSKCHG);
dir = inb(FLOPPY_BASE + reg_dir);
@ -252,13 +256,13 @@ static void test_media_change(void)
dir = inb(FLOPPY_BASE + reg_dir);
assert_bit_set(dir, DSKCHG);
send_step_pulse(0);
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_step_pulse(1);
send_seek(1);
dir = inb(FLOPPY_BASE + reg_dir);
assert_bit_set(dir, DSKCHG);
dir = inb(FLOPPY_BASE + reg_dir);
@ -292,10 +296,10 @@ static void test_relative_seek(void)
uint8_t drive = 0;
uint8_t head = 0;
uint8_t cyl = 1;
uint8_t ret;
uint8_t pcn;
/* Send seek to track 0 */
send_step_pulse(0);
send_seek(0);
/* Send relative seek to increase track by 1 */
floppy_send(CMD_RELATIVE_SEEK_IN);
@ -303,8 +307,8 @@ static void test_relative_seek(void)
g_assert(!get_irq(FLOPPY_IRQ));
floppy_send(cyl);
ret = ack_irq();
g_assert(ret == 1);
ack_irq(&pcn);
g_assert(pcn == 1);
/* Send relative seek to decrease track by 1 */
floppy_send(CMD_RELATIVE_SEEK_OUT);
@ -312,8 +316,8 @@ static void test_relative_seek(void)
g_assert(!get_irq(FLOPPY_IRQ));
floppy_send(cyl);
ret = ack_irq();
g_assert(ret == 0);
ack_irq(&pcn);
g_assert(pcn == 0);
}
/* success if no crash or abort */