diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2011-10-17 13:11:29 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-11-24 18:31:56 +0200 |
| commit | 1a440963b9b3d76f0a9ba8d5cf7c9cdfa7a1ef06 (patch) | |
| tree | 734f0af48bd418c44d9640926c2532c2422ffb88 /hw/ioapic.c | |
| parent | cfee758cc768ba29ab5e8c4a68b4433df4422cc9 (diff) | |
ioapic: Reject non-dword accesses to IOWIN register
Aligns the model with the spec.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'hw/ioapic.c')
| -rw-r--r-- | hw/ioapic.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/ioapic.c b/hw/ioapic.c index 61991d7679..347536ec5f 100644 --- a/hw/ioapic.c +++ b/hw/ioapic.c @@ -206,6 +206,9 @@ static uint32_t ioapic_mem_readl(void *opaque, target_phys_addr_t addr) val = s->ioregsel; break; case IOAPIC_IOWIN: + if (size != 4) { + break; + } switch (s->ioregsel) { case IOAPIC_REG_ID: val = s->id << IOAPIC_ID_SHIFT; @@ -244,6 +247,9 @@ ioapic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) s->ioregsel = val; break; case IOAPIC_IOWIN: + if (size != 4) { + break; + } DPRINTF("write: %08x = %08x\n", s->ioregsel, val); switch (s->ioregsel) { case IOAPIC_REG_ID: |