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-rw-r--r--hw/intc/ioapic_common.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/hw/intc/ioapic_common.c b/hw/intc/ioapic_common.c
index 8b7d11806c..65f6877d79 100644
--- a/hw/intc/ioapic_common.c
+++ b/hw/intc/ioapic_common.c
@@ -19,6 +19,7 @@
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "monitor/monitor.h"
#include "hw/i386/ioapic.h"
#include "hw/i386/ioapic_internal.h"
#include "hw/sysbus.h"
@@ -31,6 +32,60 @@
*/
int ioapic_no;
+static void ioapic_irr_dump(Monitor *mon, const char *name, uint32_t bitmap)
+{
+ int i;
+
+ monitor_printf(mon, "%-10s ", name);
+ if (bitmap == 0) {
+ monitor_printf(mon, "(none)\n");
+ return;
+ }
+ for (i = 0; i < IOAPIC_NUM_PINS; i++) {
+ if (bitmap & (1 << i)) {
+ monitor_printf(mon, "%-2u ", i);
+ }
+ }
+ monitor_printf(mon, "\n");
+}
+
+void ioapic_print_redtbl(Monitor *mon, IOAPICCommonState *s)
+{
+ static const char *delm_str[] = {
+ "fixed", "lowest", "SMI", "...", "NMI", "INIT", "...", "extINT"};
+ uint32_t remote_irr = 0;
+ int i;
+
+ monitor_printf(mon, "ioapic id=0x%02x sel=0x%02x", s->id, s->ioregsel);
+ if (s->ioregsel) {
+ monitor_printf(mon, " (redir[%u])\n",
+ (s->ioregsel - IOAPIC_REG_REDTBL_BASE) >> 1);
+ } else {
+ monitor_printf(mon, "\n");
+ }
+ for (i = 0; i < IOAPIC_NUM_PINS; i++) {
+ uint64_t entry = s->ioredtbl[i];
+ uint32_t delm = (uint32_t)((entry & IOAPIC_LVT_DELIV_MODE) >>
+ IOAPIC_LVT_DELIV_MODE_SHIFT);
+ monitor_printf(mon, "pin %-2u 0x%016"PRIx64" dest=%"PRIx64
+ " vec=%-3"PRIu64" %s %-5s %-6s %-6s %s\n",
+ i, entry,
+ (entry >> IOAPIC_LVT_DEST_SHIFT) &
+ (entry & IOAPIC_LVT_DEST_MODE ? 0xff : 0xf),
+ entry & IOAPIC_VECTOR_MASK,
+ entry & IOAPIC_LVT_POLARITY ? "active-lo" : "active-hi",
+ entry & IOAPIC_LVT_TRIGGER_MODE ? "level" : "edge",
+ entry & IOAPIC_LVT_MASKED ? "masked" : "",
+ delm_str[delm],
+ entry & IOAPIC_LVT_DEST_MODE ? "logical" : "physical");
+
+ remote_irr |= entry & IOAPIC_LVT_TRIGGER_MODE ?
+ (entry & IOAPIC_LVT_REMOTE_IRR ? (1 << i) : 0) : 0;
+ }
+ ioapic_irr_dump(mon, "IRR", s->irr);
+ ioapic_irr_dump(mon, "Remote IRR", remote_irr);
+}
+
void ioapic_reset_common(DeviceState *dev)
{
IOAPICCommonState *s = IOAPIC_COMMON(dev);