[Qemu-devel] [PATCH 2/2] fdc-test: Check RELATIVE SEEK beyond track 0/80

[Kevin Wolf <kwolf@redhat.com>]

TODO This needs to be checked against a real drive

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 tests/fdc-test.c |   48 +++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 37 insertions(+), 11 deletions(-)

diff --git a/tests/fdc-test.c b/tests/fdc-test.c
index fa74411..56e745a 100644
--- a/tests/fdc-test.c
+++ b/tests/fdc-test.c
@@ -94,13 +94,17 @@ static uint8_t floppy_recv(void)
 }
 
 /* pcn: Present Cylinder Number */
-static void ack_irq(uint8_t *pcn)
+static void ack_irq(uint8_t *st0, uint8_t *pcn)
 {
     uint8_t ret;
 
     g_assert(get_irq(FLOPPY_IRQ));
     floppy_send(CMD_SENSE_INT);
-    floppy_recv();
+
+    ret = floppy_recv();
+    if (st0 != NULL) {
+        *st0 = ret;
+    }
 
     ret = floppy_recv();
     if (pcn != NULL) {
@@ -175,7 +179,7 @@ static void send_seek(int cyl)
     floppy_send(head << 2 | drive);
     g_assert(!get_irq(FLOPPY_IRQ));
     floppy_send(cyl);
-    ack_irq(NULL);
+    ack_irq(NULL, NULL);
 }
 
 static uint8_t cmos_read(uint8_t reg)
@@ -295,29 +299,51 @@ static void test_relative_seek(void)
 {
     uint8_t drive = 0;
     uint8_t head = 0;
-    uint8_t cyl = 1;
     uint8_t pcn;
+    uint8_t st0;
 
     /* Send seek to track 0 */
     send_seek(0);
 
-    /* Send relative seek to increase track by 1 */
+    /* Send relative seek to increase track by 3 */
     floppy_send(CMD_RELATIVE_SEEK_IN);
     floppy_send(head << 2 | drive);
     g_assert(!get_irq(FLOPPY_IRQ));
-    floppy_send(cyl);
+    floppy_send(3);
 
-    ack_irq(&pcn);
-    g_assert(pcn == 1);
+    ack_irq(&st0, &pcn);
+    g_assert_cmpint(pcn, ==, 3);
+    g_assert_cmpint(st0, ==, 0x20);
 
     /* 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);
+    floppy_send(1);
+
+    ack_irq(&st0, &pcn);
+    g_assert_cmpint(pcn, ==, 2);
+    g_assert_cmpint(st0, ==, 0x20);
+
+    /* Send relative seek to beyond track 0 */
+    floppy_send(CMD_RELATIVE_SEEK_OUT);
+    floppy_send(head << 2 | drive);
+    g_assert(!get_irq(FLOPPY_IRQ));
+    floppy_send(42);
+
+    ack_irq(&st0, &pcn);
+    g_assert_cmpint(pcn, ==, 0);
+    g_assert_cmpint(st0, ==, 0x70);
+
+    /* Send try relative seek to beyond track 80 */
+    floppy_send(CMD_RELATIVE_SEEK_IN);
+    floppy_send(head << 2 | drive);
+    g_assert(!get_irq(FLOPPY_IRQ));
+    floppy_send(200);
 
-    ack_irq(&pcn);
-    g_assert(pcn == 0);
+    ack_irq(&st0, &pcn);
+    g_assert_cmpint(pcn, ==, 79);
+    g_assert_cmpint(st0, ==, 0x50);
 }
 
 /* success if no crash or abort */
-- 
1.7.6.5