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-rw-r--r--src/usr/sbeio/sbe_psudd.C24
1 files changed, 23 insertions, 1 deletions
diff --git a/src/usr/sbeio/sbe_psudd.C b/src/usr/sbeio/sbe_psudd.C
index ab53d0d3e..3e23c9642 100644
--- a/src/usr/sbeio/sbe_psudd.C
+++ b/src/usr/sbeio/sbe_psudd.C
@@ -54,6 +54,7 @@
#include <sys/time.h>
#include <errl/errludprintk.H>
#include <vfs/vfs.H> // module_is_loaded
+#include <util/misc.H>
trace_desc_t* g_trac_sbeio;
TRAC_INIT(&g_trac_sbeio, SBEIO_COMP_NAME, 6*KILOBYTE, TRACE::BUFFER_SLOW);
@@ -201,7 +202,7 @@ void SbePsu::msgHandler()
{
//Handle the interrupt message -- pass the PIR of the
// proc causing the interrupt
- SBE_TRACD("SbePsu::msgHandler got MSG_INTR message");
+ SBE_TRACF("SbePsu::msgHandler got MSG_INTR message");
l_err = handleInterrupt(msg->data[1]);
if (l_err)
@@ -492,6 +493,7 @@ errlHndl_t SbePsu::handleInterrupt(PIR_t i_pir)
errlHndl_t errl = nullptr;
SBE_TRACD(ENTER_MRK "SbePsu::handleInterrupt");
bool l_responseAvailable = false;
+ bool l_simicsRunning = Util::isSimicsRunning();
do
{
@@ -525,6 +527,20 @@ errlHndl_t SbePsu::handleInterrupt(PIR_t i_pir)
if (errl)
{ break; }
+
+ if ( l_simicsRunning &&
+ HOST_RESPONSE_WAITING != (l_doorbellVal & HOST_RESPONSE_WAITING) )
+ {
+ // wait a second and try again
+ nanosleep(1,0);
+
+ //read the door bell again to see if the simics model caught up
+ errl = readScom(l_intrChip,PSU_HOST_DOORBELL_REG_RW,&l_doorbellVal);
+ if (errl)
+ { break; }
+
+ }
+
if (l_doorbellVal & HOST_RESPONSE_WAITING)
{
//In this case the doorbell reg indicated a response is
@@ -552,6 +568,12 @@ errlHndl_t SbePsu::handleInterrupt(PIR_t i_pir)
if (errl)
{ break; }
}
+ else if(l_simicsRunning)
+ {
+ SBE_TRACF(ENTER_MRK "SbePsu::handleInterrupt interrupt found but no Doorbell is set 0x%llx", l_doorbellVal);
+ // If we are in simics we want to break out here
+ MAGIC_INSTRUCTION(MAGIC_BREAK_ON_ERROR);
+ }
//Clear the rest of the PSU Scom Reg Interrupt Status register
// This clears the PSU interrupt condition so the PSU interrupt
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