From 7de0708eac63bb81786c2a5e794c5d6fbef069c4 Mon Sep 17 00:00:00 2001
From: Doug Gilbert <dgilbert@us.ibm.com>
Date: Fri, 4 Nov 2011 12:12:01 -0500
Subject: Interrupt presenter implementation

Change-Id: If6b499d819b71298b8a64e096e1eb83c639ad645
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/517
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
---
 src/kernel/syscall.C | 43 ++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 38 insertions(+), 5 deletions(-)

(limited to 'src/kernel/syscall.C')

diff --git a/src/kernel/syscall.C b/src/kernel/syscall.C
index 013ffc78c..561218b00 100644
--- a/src/kernel/syscall.C
+++ b/src/kernel/syscall.C
@@ -39,6 +39,7 @@
 #include <kernel/vmmmgr.H>
 #include <kernel/stacksegment.H>
 #include <kernel/heapmgr.H>
+#include <kernel/intmsghandler.H>
 
 extern "C"
 void kernel_execute_decrementer()
@@ -121,8 +122,8 @@ namespace Systemcalls
         &FutexWait,  // FUTEX_WAIT
         &FutexWake,  // FUTEX_WAKE
 
-        &Shutdown,  // MISC_SHUTDOWN
-        &CpuCoreType,  // MISC_CPUCORETYPE
+        &Shutdown,    // MISC_SHUTDOWN
+        &CpuCoreType, // MISC_CPUCORETYPE
         &CpuDDLevel,  // MISC_CPUDDLEVEL
 
         &MmAllocBlock, // MM_ALLOC_BLOCK
@@ -246,16 +247,47 @@ namespace Systemcalls
     }
 
     static MessageQueue* msgQRoot = NULL;
+    static MessageQueue* msgQIntr = NULL;
 
     void MsgQRegisterRoot(task_t* t)
     {
-        msgQRoot = (MessageQueue*) TASK_GETARG0(t);
-        TASK_SETRTN(t, 0);
+        switch(TASK_GETARG0(t))
+        {
+            case MSGQ_ROOT_VFS:
+                msgQRoot = (MessageQueue*) TASK_GETARG1(t);
+                TASK_SETRTN(t,0);
+                break;
+
+            case MSGQ_ROOT_INTR:
+                msgQIntr = (MessageQueue*) TASK_GETARG1(t);
+                InterruptMsgHdlr::create(msgQIntr);
+                TASK_SETRTN(t,0);
+                break;
+
+            default:
+                printk("ERROR MsgRegisterRoot invalid type %ld\n",
+                       TASK_GETARG0(t));
+                TASK_SETRTN(t,-EINVAL);
+        }
     }
 
     void MsgQResolveRoot(task_t* t)
     {
-        TASK_SETRTN(t, (uint64_t) msgQRoot);
+        switch(TASK_GETARG0(t))
+        {
+            case MSGQ_ROOT_VFS:
+                TASK_SETRTN(t, (uint64_t) msgQRoot);
+                break;
+
+            case MSGQ_ROOT_INTR:
+                TASK_SETRTN(t, (uint64_t) msgQIntr);
+                break;
+
+            default:
+                printk("ERROR MsgQResolveRoot invalid type %ld\n",
+                       TASK_GETARG0(t));
+                TASK_SETRTN(t,0);
+        }
     }
 
     void MsgSend(task_t* t)
@@ -563,3 +595,4 @@ namespace Systemcalls
     }
 
 };
+
-- 
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