Patchwork [1/2] target-i386: Remove unused polarity arguments from APIC API

login
register
mail settings
Submitter Jan Kiszka
Date May 15, 2011, 11:07 a.m.
Message ID <4DCFB3DF.1010904@web.de>
Download mbox | patch
Permalink /patch/95611/
State New
Headers show

Comments

Jan Kiszka - May 15, 2011, 11:07 a.m.
From: Jan Kiszka <jan.kiszka@siemens.com>

Polarity of external interrupts needs to be handled in the IOAPIC.
Passing it to the APIC is pointless. So remove all these arguments.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 hw/apic.c    |   22 +++++++++-------------
 hw/apic.h    |    6 ++----
 hw/ioapic.c  |    4 +---
 trace-events |    2 +-
 4 files changed, 13 insertions(+), 21 deletions(-)

Patch

diff --git a/hw/apic.c b/hw/apic.c
index 9febf40..a21a816 100644
--- a/hw/apic.c
+++ b/hw/apic.c
@@ -222,8 +222,7 @@  void apic_deliver_pic_intr(DeviceState *d, int level)
 }
 
 static void apic_bus_deliver(const uint32_t *deliver_bitmask,
-                             uint8_t delivery_mode,
-                             uint8_t vector_num, uint8_t polarity,
+                             uint8_t delivery_mode, uint8_t vector_num,
                              uint8_t trigger_mode)
 {
     APICState *apic_iter;
@@ -280,18 +279,16 @@  static void apic_bus_deliver(const uint32_t *deliver_bitmask,
                  apic_set_irq(apic_iter, vector_num, trigger_mode) );
 }
 
-void apic_deliver_irq(uint8_t dest, uint8_t dest_mode,
-                      uint8_t delivery_mode, uint8_t vector_num,
-                      uint8_t polarity, uint8_t trigger_mode)
+void apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode,
+                      uint8_t vector_num, uint8_t trigger_mode)
 {
     uint32_t deliver_bitmask[MAX_APIC_WORDS];
 
     trace_apic_deliver_irq(dest, dest_mode, delivery_mode, vector_num,
-                           polarity, trigger_mode);
+                           trigger_mode);
 
     apic_get_delivery_bitmask(deliver_bitmask, dest, dest_mode);
-    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, polarity,
-                     trigger_mode);
+    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, trigger_mode);
 }
 
 void cpu_set_apic_base(DeviceState *d, uint64_t val)
@@ -548,7 +545,7 @@  void apic_sipi(DeviceState *d)
 
 static void apic_deliver(DeviceState *d, uint8_t dest, uint8_t dest_mode,
                          uint8_t delivery_mode, uint8_t vector_num,
-                         uint8_t polarity, uint8_t trigger_mode)
+                         uint8_t trigger_mode)
 {
     APICState *s = DO_UPCAST(APICState, busdev.qdev, d);
     uint32_t deliver_bitmask[MAX_APIC_WORDS];
@@ -591,8 +588,7 @@  static void apic_deliver(DeviceState *d, uint8_t dest, uint8_t dest_mode,
             return;
     }
 
-    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, polarity,
-                     trigger_mode);
+    apic_bus_deliver(deliver_bitmask, delivery_mode, vector_num, trigger_mode);
 }
 
 int apic_get_interrupt(DeviceState *d)
@@ -794,7 +790,7 @@  static void apic_send_msi(target_phys_addr_t addr, uint32_t data)
     uint8_t trigger_mode = (data >> MSI_DATA_TRIGGER_SHIFT) & 0x1;
     uint8_t delivery = (data >> MSI_DATA_DELIVERY_MODE_SHIFT) & 0x7;
     /* XXX: Ignore redirection hint. */
-    apic_deliver_irq(dest, dest_mode, delivery, vector, 0, trigger_mode);
+    apic_deliver_irq(dest, dest_mode, delivery, vector, trigger_mode);
 }
 
 static void apic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
@@ -855,7 +851,7 @@  static void apic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
         s->icr[0] = val;
         apic_deliver(d, (s->icr[1] >> 24) & 0xff, (s->icr[0] >> 11) & 1,
                      (s->icr[0] >> 8) & 7, (s->icr[0] & 0xff),
-                     (s->icr[0] >> 14) & 1, (s->icr[0] >> 15) & 1);
+                     (s->icr[0] >> 15) & 1);
         break;
     case 0x31:
         s->icr[1] = val;
diff --git a/hw/apic.h b/hw/apic.h
index 8a0c9d0..a5c910f 100644
--- a/hw/apic.h
+++ b/hw/apic.h
@@ -4,10 +4,8 @@ 
 #include "qemu-common.h"
 
 /* apic.c */
-void apic_deliver_irq(uint8_t dest, uint8_t dest_mode,
-                             uint8_t delivery_mode,
-                             uint8_t vector_num, uint8_t polarity,
-                             uint8_t trigger_mode);
+void apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode,
+                      uint8_t vector_num, uint8_t trigger_mode);
 int apic_accept_pic_intr(DeviceState *s);
 void apic_deliver_pic_intr(DeviceState *s, int level);
 int apic_get_interrupt(DeviceState *s);
diff --git a/hw/ioapic.c b/hw/ioapic.c
index 6c26e82..5916387 100644
--- a/hw/ioapic.c
+++ b/hw/ioapic.c
@@ -104,7 +104,6 @@  static void ioapic_service(IOAPICState *s)
     uint64_t entry;
     uint8_t dest;
     uint8_t dest_mode;
-    uint8_t polarity;
 
     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
         mask = 1 << i;
@@ -116,7 +115,6 @@  static void ioapic_service(IOAPICState *s)
                 dest_mode = (entry >> IOAPIC_LVT_DEST_MODE_SHIFT) & 1;
                 delivery_mode =
                     (entry >> IOAPIC_LVT_DELIV_MODE_SHIFT) & IOAPIC_DM_MASK;
-                polarity = (entry >> IOAPIC_LVT_POLARITY_SHIFT) & 1;
                 if (trig_mode == IOAPIC_TRIGGER_EDGE) {
                     s->irr &= ~mask;
                 } else {
@@ -128,7 +126,7 @@  static void ioapic_service(IOAPICState *s)
                     vector = entry & IOAPIC_VECTOR_MASK;
                 }
                 apic_deliver_irq(dest, dest_mode, delivery_mode,
-                                 vector, polarity, trig_mode);
+                                 vector, trig_mode);
             }
         }
     }
diff --git a/trace-events b/trace-events
index a00b63c..fa5b62e 100644
--- a/trace-events
+++ b/trace-events
@@ -76,7 +76,7 @@  disable balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"
 
 # hw/apic.c
 disable apic_local_deliver(int vector, uint32_t lvt) "vector %d delivery mode %d"
-disable apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode, uint8_t vector_num, uint8_t polarity, uint8_t trigger_mode) "dest %d dest_mode %d delivery_mode %d vector %d polarity %d trigger_mode %d"
+disable apic_deliver_irq(uint8_t dest, uint8_t dest_mode, uint8_t delivery_mode, uint8_t vector_num, uint8_t trigger_mode) "dest %d dest_mode %d delivery_mode %d vector %d trigger_mode %d"
 disable cpu_set_apic_base(uint64_t val) "%016"PRIx64""
 disable cpu_get_apic_base(uint64_t val) "%016"PRIx64""
 disable apic_mem_readl(uint64_t addr, uint32_t val)  "%"PRIx64" = %08x"