aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--hmp-commands-info.hx16
-rw-r--r--hw/i386/kvm/ioapic.c10
-rw-r--r--hw/intc/ioapic_common.c55
-rw-r--r--include/hw/i386/ioapic_internal.h2
-rw-r--r--include/hw/i386/pc.h4
-rw-r--r--include/monitor/hmp-target.h1
-rw-r--r--target-i386/monitor.c9
7 files changed, 97 insertions, 0 deletions
diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
index b02876c83c..9b71351d01 100644
--- a/hmp-commands-info.hx
+++ b/hmp-commands-info.hx
@@ -128,6 +128,22 @@ STEXI
Show local APIC state
ETEXI
+#if defined(TARGET_I386)
+ {
+ .name = "ioapic",
+ .args_type = "",
+ .params = "",
+ .help = "show io apic state",
+ .mhandler.cmd = hmp_info_io_apic,
+ },
+#endif
+
+STEXI
+@item info ioapic
+@findex ioapic
+Show io APIC state
+ETEXI
+
{
.name = "cpus",
.args_type = "",
diff --git a/hw/i386/kvm/ioapic.c b/hw/i386/kvm/ioapic.c
index d2a6c4cf60..b7390ca0da 100644
--- a/hw/i386/kvm/ioapic.c
+++ b/hw/i386/kvm/ioapic.c
@@ -10,6 +10,7 @@
* See the COPYING file in the top-level directory.
*/
+#include "monitor/monitor.h"
#include "hw/i386/pc.h"
#include "hw/i386/ioapic_internal.h"
#include "hw/i386/apic_internal.h"
@@ -110,6 +111,15 @@ static void kvm_ioapic_put(IOAPICCommonState *s)
}
}
+void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict)
+{
+ IOAPICCommonState s;
+
+ kvm_ioapic_get(&s);
+
+ ioapic_print_redtbl(mon, &s);
+}
+
static void kvm_ioapic_reset(DeviceState *dev)
{
IOAPICCommonState *s = IOAPIC_COMMON(dev);
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);
diff --git a/include/hw/i386/ioapic_internal.h b/include/hw/i386/ioapic_internal.h
index 4f7764e183..797ed47305 100644
--- a/include/hw/i386/ioapic_internal.h
+++ b/include/hw/i386/ioapic_internal.h
@@ -105,4 +105,6 @@ struct IOAPICCommonState {
void ioapic_reset_common(DeviceState *dev);
+void ioapic_print_redtbl(Monitor *mon, IOAPICCommonState *s);
+
#endif /* !QEMU_IOAPIC_INTERNAL_H */
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 3e002c9da6..539cf64ed6 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -123,6 +123,10 @@ int pic_get_output(DeviceState *d);
void hmp_info_pic(Monitor *mon, const QDict *qdict);
void hmp_info_irq(Monitor *mon, const QDict *qdict);
+/* ioapic.c */
+
+void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict);
+
/* Global System Interrupts */
#define GSI_NUM_PINS IOAPIC_NUM_PINS
diff --git a/include/monitor/hmp-target.h b/include/monitor/hmp-target.h
index be50577b37..213566c612 100644
--- a/include/monitor/hmp-target.h
+++ b/include/monitor/hmp-target.h
@@ -43,5 +43,6 @@ void hmp_info_mem(Monitor *mon, const QDict *qdict);
void hmp_info_tlb(Monitor *mon, const QDict *qdict);
void hmp_mce(Monitor *mon, const QDict *qdict);
void hmp_info_local_apic(Monitor *mon, const QDict *qdict);
+void hmp_info_io_apic(Monitor *mon, const QDict *qdict);
#endif /* MONITOR_COMMON */
diff --git a/target-i386/monitor.c b/target-i386/monitor.c
index 9479a770fa..829fff9e03 100644
--- a/target-i386/monitor.c
+++ b/target-i386/monitor.c
@@ -24,6 +24,8 @@
#include "cpu.h"
#include "monitor/monitor.h"
#include "monitor/hmp-target.h"
+#include "hw/i386/pc.h"
+#include "sysemu/kvm.h"
#include "hmp.h"
@@ -498,3 +500,10 @@ void hmp_info_local_apic(Monitor *mon, const QDict *qdict)
x86_cpu_dump_local_apic_state(mon_get_cpu(), (FILE *)mon, monitor_fprintf,
CPU_DUMP_FPU);
}
+
+void hmp_info_io_apic(Monitor *mon, const QDict *qdict)
+{
+ if (kvm_irqchip_in_kernel()) {
+ kvm_ioapic_dump_state(mon, qdict);
+ }
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-03 08:31:41 +0000