diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/ide-test.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/tests/ide-test.c b/tests/ide-test.c index fc1ce52..c3aacd2 100644 --- a/tests/ide-test.c +++ b/tests/ide-test.c @@ -642,15 +642,19 @@ static void nsleep(int64_t nsecs) static uint8_t ide_wait_clear(uint8_t flag) { - int i; uint8_t data; + time_t st; /* Wait with a 5 second timeout */ - for (i = 0; i <= 12500000; i++) { + time(&st); + while (true) { data = inb(IDE_BASE + reg_status); if (!(data & flag)) { return data; } + if (difftime(time(NULL), st) > 5.0) { + break; + } nsleep(400); } g_assert_not_reached(); @@ -658,14 +662,18 @@ static uint8_t ide_wait_clear(uint8_t flag) static void ide_wait_intr(int irq) { - int i; + time_t st; bool intr; - for (i = 0; i <= 12500000; i++) { + time(&st); + while (true) { intr = get_irq(irq); if (intr) { return; } + if (difftime(time(NULL), st) > 5.0) { + break; + } nsleep(400); } @@ -709,9 +717,6 @@ static void cdrom_pio_impl(int nblocks) /* SCSI CDB (READ10) -- read n*2048 bytes from block 0 */ send_scsi_cdb_read10(0, nblocks); - /* HP3: INTRQ_Wait */ - ide_wait_intr(IDE_PRIMARY_IRQ); - /* Read data back: occurs in bursts of 'BYTE_COUNT_LIMIT' bytes. * If BYTE_COUNT_LIMIT is odd, we transfer BYTE_COUNT_LIMIT - 1 bytes. * We allow an odd limit only when the remaining transfer size is @@ -723,16 +728,25 @@ static void cdrom_pio_impl(int nblocks) for (i = 0; i < DIV_ROUND_UP(rxsize, limit); i++) { size_t offset = i * (limit / 2); size_t rem = (rxsize / 2) - offset; - /* HP2: Check_Status_B */ + + /* HP3: INTRQ_Wait */ + ide_wait_intr(IDE_PRIMARY_IRQ); + + /* HP2: Check_Status_B (and clear IRQ) */ data = ide_wait_clear(BSY); assert_bit_set(data, DRQ | DRDY); assert_bit_clear(data, ERR | DF | BSY); + /* HP4: Transfer_Data */ for (j = 0; j < MIN((limit / 2), rem); j++) { rx[offset + j] = le16_to_cpu(inw(IDE_BASE + reg_data)); } - ide_wait_intr(IDE_PRIMARY_IRQ); } + + /* Check for final completion IRQ */ + ide_wait_intr(IDE_PRIMARY_IRQ); + + /* Sanity check final state */ data = ide_wait_clear(DRQ); assert_bit_set(data, DRDY); assert_bit_clear(data, DRQ | ERR | DF | BSY); |