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>

3 files changed, 45 insertions, 5 deletions

diff --git a/src/lib/syscall_misc.C b/src/lib/syscall_misc.C
index 26ecc9bfe..ac9070a40 100644
--- a/src/lib/syscall_misc.C
+++ b/src/lib/syscall_misc.C
@@ -43,3 +43,25 @@ uint8_t cpu_dd_level()
     return reinterpret_cast<uint64_t>(_syscall0(MISC_CPUDDLEVEL));
 }
 
+size_t cpu_thread_count()
+{
+    size_t threads = 0;
+    ProcessorCoreType core_type = cpu_core_type();
+    switch(core_type)
+    {
+        case CORE_POWER7:
+        case CORE_POWER7_PLUS:
+            threads = 4;
+            break;
+
+        case CORE_POWER8_SALERNO:
+        case CORE_POWER8_VENICE:
+            threads = 8;
+            break;
+
+        default:
+            break;
+    }
+    return threads;
+}
+
diff --git a/src/lib/syscall_msg.C b/src/lib/syscall_msg.C
index 08fafcbef..1b0ea500a 100644
--- a/src/lib/syscall_msg.C
+++ b/src/lib/syscall_msg.C
@@ -21,6 +21,7 @@
 //
 //  IBM_PROLOG_END
 #include <sys/msg.h>
+#include <sys/interrupt.h>
 #include <sys/syscall.h>
 #include <sys/vfs.h>
 
@@ -42,11 +43,20 @@ int msg_q_register(msg_q_t q, const char* name)
 {
     if (0 == strcmp(VFS_ROOT, name))
     {
-	return (int64_t)_syscall1(MSGQ_REGISTER_ROOT, q);
+	return (int64_t)_syscall2(MSGQ_REGISTER_ROOT,
+                                  reinterpret_cast<void*>(MSGQ_ROOT_VFS),
+                                  q);
+    }
+    else if (0 == strcmp(INTR_MSGQ, name))
+    {
+        return (int64_t)_syscall2(MSGQ_REGISTER_ROOT,
+                                  reinterpret_cast<void*>(MSGQ_ROOT_INTR),
+                                  q);
     }
     else
     {
-	msg_q_t vfsQ = (msg_q_t)_syscall0(MSGQ_RESOLVE_ROOT);
+	msg_q_t vfsQ = (msg_q_t)_syscall1(MSGQ_RESOLVE_ROOT,
+                                reinterpret_cast<void*>(MSGQ_ROOT_VFS));
 	msg_t* msg = msg_allocate();
 	msg->type = VFS_MSG_REGISTER_MSGQ;
 	msg->data[0] = (uint64_t) q;
@@ -61,11 +71,18 @@ msg_q_t msg_q_resolve(const char* name)
 {
     if (0 == strcmp(VFS_ROOT, name))
     {
-	return (msg_q_t)_syscall0(MSGQ_RESOLVE_ROOT);
+	return (msg_q_t)_syscall1(MSGQ_RESOLVE_ROOT,
+                                  reinterpret_cast<void*>(MSGQ_ROOT_VFS));
+    }
+    else if (0 == strcmp(INTR_MSGQ, name))
+    {
+        return (msg_q_t)_syscall1(MSGQ_RESOLVE_ROOT,
+                                  reinterpret_cast<void*>(MSGQ_ROOT_INTR));
     }
     else
     {
-	msg_q_t vfsQ = (msg_q_t)_syscall0(MSGQ_RESOLVE_ROOT);
+	msg_q_t vfsQ = (msg_q_t)_syscall1(MSGQ_RESOLVE_ROOT,
+                                reinterpret_cast<void*>(MSGQ_ROOT_VFS));
 	msg_t* msg = msg_allocate();
 	msg->type = VFS_MSG_RESOLVE_MSGQ;
 	msg->extra_data = (void*) name;
diff --git a/src/lib/syscall_task.C b/src/lib/syscall_task.C
index a00b779f7..d40136a21 100644
--- a/src/lib/syscall_task.C
+++ b/src/lib/syscall_task.C
@@ -80,7 +80,8 @@ tid_t task_exec(const char* file, void* ptr)
     int rc = 0;
 
     // Create message, send.
-    msg_q_t vfsQ = (msg_q_t)_syscall0(MSGQ_RESOLVE_ROOT);
+    msg_q_t vfsQ = (msg_q_t)_syscall1(MSGQ_RESOLVE_ROOT,
+                                      reinterpret_cast<void*>(MSGQ_ROOT_VFS));
     msg_t* msg = msg_allocate();
     msg->type = VFS_MSG_EXEC;
     msg->data[0] = (uint64_t) file;