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-rw-r--r--hw/ide/core.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c
index e8cb2dac92..08d9218455 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1623,11 +1623,24 @@ static bool cmd_read_native_max(IDEState *s, uint8_t cmd)
/* Refuse if no sectors are addressable (e.g. medium not inserted) */
if (s->nb_sectors == 0) {
ide_abort_command(s);
- return true;
- }
+ } else {
+ /*
+ * Save the active drive parameters, which may have been
+ * limited from their native counterparts by, e.g., INITIALIZE
+ * DEVICE PARAMETERS or SET MAX ADDRESS.
+ */
+ const int aheads = s->heads;
+ const int asectors = s->sectors;
- ide_cmd_lba48_transform(s, lba48);
- ide_set_sector(s, s->nb_sectors - 1);
+ s->heads = s->drive_heads;
+ s->sectors = s->drive_sectors;
+
+ ide_cmd_lba48_transform(s, lba48);
+ ide_set_sector(s, s->nb_sectors - 1);
+
+ s->heads = aheads;
+ s->sectors = asectors;
+ }
return true;
}