Changeset 437 for soft/giet_vm/giet_drivers/sim_driver.h

Timestamp:

Nov 3, 2014, 10:53:00 AM (10 years ago)

Author:

alain

Message:

Introducing dynamic allocation of peripheral channel(TTY, NIC, TIM, CMA)
Removint the ICU driver : ICU component not supported anymore.
Removing the FBF driver.

File:

• soft/giet_vm/giet_drivers/sim_driver.h (modified) (2 diffs)

soft/giet_vm/giet_drivers/sim_driver.h

@@ -5 +5 @@
 // Copyright (c) UPMC-LIP6
 ///////////////////////////////////////////////////////////////////////////////////
+// The sim_driver.c and sim_driver.h files are part ot the GIET-VM nano-kernel.
+//
+// This driver supports the vci_sim_helper component, that is a pseudo hardware
+// component available in the SoCLib library, and providing a monitoring service
+// in a virtual prototyping environment.
+//
+// There is at most one such component in the architecture.
+//
+// The SEG_SIM_BASE address must be defined in the hard_config.h file.
+////////////////////////////////////////////////////////////////////////////////
 
 #ifndef _GIET_SIM_DRIVERS_H_
@@ -15 +25 @@
 enum SoclibSimhelperRegisters
 {
-    SIMHELPER_SC_STOP,
-    SIMHELPER_END_WITH_RETVAL,
-    SIMHELPER_EXCEPT_WITH_VAL,
-    SIMHELPER_PAUSE_SIM,
-    SIMHELPER_CYCLES,
-    SIMHELPER_SIGINT,
+    SIMHELPER_SC_STOP,                 // stop simulation
+    SIMHELPER_END_WITH_RETVAL,         // Not supported
+    SIMHELPER_EXCEPT_WITH_VAL,         // Not supported
+    SIMHELPER_PAUSE_SIM,               // Not supported
+    SIMHELPER_CYCLES,                  // Return number of cycles
+    SIMHELPER_SIGINT,                  // Not supported
 };
 
-///////////////////////////////////////////////////////////////////////////////////
-// SIM_HELPER access functions
-///////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+// Accesses the Simulation Helper Component.
+// - If the access is on a write register, the simulation will stop.
+// - If the access is on a read register, value is written in retval buffer.
+////////////////////////////////////////////////////////////////////////////////
+extern void _sim_helper_access( unsigned int  register_index,
+                                unsigned int  value,
+                                unsigned int* retval ); 
 
-extern unsigned int _sim_helper_access( unsigned int  register_index,
-                                        unsigned int  value,
-                                        unsigned int* retval ); 
-
-///////////////////////////////////////////////////////////////////////////////////
 
 #endif