From: Jack Lange <jacklange@cs.pitt.edu>
Date: Sun, 18 Mar 2012 20:42:09 +0000 (-0400)
Subject: add in EOI callback
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=b8152adfb5d52ea2f3578b6eb38c32cc51b7269e

add in EOI callback
---

diff --git a/palacios/src/devices/apic.c b/palacios/src/devices/apic.c
index 164970e..3586794 100644
--- a/palacios/src/devices/apic.c
+++ b/palacios/src/devices/apic.c
@@ -422,6 +422,8 @@ static int activate_apic_irq(struct apic_state * apic, uint32_t irq_num,
 
     if (*en_location & flag) {
 	*req_location |= flag;
+	apic->irq_ack_cbs[irq_num].ack = ack;
+	apic->irq_ack_cbs[irq_num].private_data = private_data;
 	return 1;
     } else {
 	PrintDebug("apic %u: core %d: Interrupt  not enabled... %.2x\n", 
@@ -545,7 +547,7 @@ static int get_highest_irr(struct apic_state * apic) {
 
 
 
-static int apic_do_eoi(struct apic_state * apic) {
+static int apic_do_eoi(struct guest_info * core, struct apic_state * apic) {
     int isr_irq = get_highest_isr(apic);
 
     if (isr_irq != -1) {
@@ -558,6 +560,10 @@ static int apic_do_eoi(struct apic_state * apic) {
 	
 	*svc_location &= ~flag;
 
+	if (apic->irq_ack_cbs[isr_irq].ack) {
+	    apic->irq_ack_cbs[isr_irq].ack(core, isr_irq, apic->irq_ack_cbs[isr_irq].private_data);
+	}
+
 #ifdef V3_CONFIG_CRAY_XT
 	
 	if ((isr_irq == 238) || 
@@ -1466,7 +1472,7 @@ static int apic_write(struct guest_info * core, addr_t guest_addr, void * src, u
 	    // Action Registers
 	case EOI_OFFSET:
 	    // do eoi 
-	    apic_do_eoi(apic);
+	    apic_do_eoi(core, apic);
 	    break;
 
 	case INT_CMD_LO_OFFSET: {