1 files changed, 54 insertions, 0 deletions
diff --git a/pk/std/std_common.h b/pk/std/std_common.h
new file mode 100644
index 00000000..3c8fda2d
--- /dev/null
+++ b/pk/std/std_common.h
@@ -0,0 +1,54 @@
+#ifndef __STD_COMMON_H__
+#define __STD_COMMON_H__
+
+//-----------------------------------------------------------------------------
+// *! (C) Copyright International Business Machines Corp. 2014
+// *! All Rights Reserved -- Property of IBM
+// *! *** IBM Confidential ***
+//-----------------------------------------------------------------------------
+
+/// \file cme_common.h
+/// \brief Common header for standard PPE's
+///
+
+#ifndef __ASSEMBLER__
+#include <stdint.h>
+#endif
+
+//#include "cmehw_interrupts.h"
+#include "pk.h"
+#include "std_irq_config.h"
+
+#ifdef __ASSEMBLER__
+/// This macro contains standard PPE code for determining what IRQ caused the
+/// external exception handler to be invoked by the PPE
+
+/// Check for interrupts pending in the interrupt status register while the IRQ
+/// is computed.  The IRQ is expected to be stored in r4. If no IRQ is
+/// pending then load the phantom irq # (EXTERNAL_IRQS).
+/// Only the following registers have been saved off and can be used:
+/// r3, r4, r5, r6, cr0, lr
+///
+    .macro hwmacro_get_ext_irq
+        
+        _lvdg       d5, STD_LCL_EISTR    #load the 64bit interrupt status into d5
+        cntlzw      r4, r5
+        cmpwible    r4, 31, external_irq_found   #branch if irq is lt or eq to 31
+        
+        ## No IRQ pending in r5.  Try r6.
+        ## Note: irq # will be 64 (phantom irq) if no bits were set in either register
+        
+        cntlzw  r4, r6
+        addi    r4, r4, 32
+
+    .endm
+
+/// Redirect the .hwmacro_irq_cfg_bitmaps macro to call our standard PPE implementation
+/// This is called from the ppe42_exceptions.S file.
+    .macro .hwmacro_irq_cfg_bitmaps
+        .std_irq_cfg_bitmaps
+    .endm
+
+#endif /* __ASSEMBLER__ */
+
+#endif  /* __STD_COMMON_H__ */