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-rw-r--r--c/src/libchip/shmdr/init.c245
1 files changed, 0 insertions, 245 deletions
diff --git a/c/src/libchip/shmdr/init.c b/c/src/libchip/shmdr/init.c
deleted file mode 100644
index 8b62d6fb46..0000000000
--- a/c/src/libchip/shmdr/init.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/* Shm_Initialization
- *
- * This routine is the shared memory communications initerface
- * driver initialization routine.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
- * On-Line Applications Research Corporation (OAR).
- * All rights assigned to U.S. Government, 1994.
- *
- * This material may be reproduced by or for the U.S. Government pursuant
- * to the copyright license under the clause at DFARS 252.227-7013. This
- * notice must appear in all copies of this file and its derivatives.
- *
- * $Id$
- */
-
-#define _SHM_INIT
-
-#include <rtems.h>
-#include <shm.h>
-
-#include <string.h> /* memset() */
-
-/*
- * User extension to install MPCI_Fatal as a fatal error
- * handler extension
- */
-
-rtems_extensions_table MPCI_Shm_extensions;
-
-rtems_mpci_entry Shm_Initialization( void )
-
-{
- rtems_unsigned32 i, all_initialized;
- rtems_unsigned32 interrupt_cause, interrupt_value;
- void *interrupt_address;
- Shm_Node_status_control *nscb;
- rtems_unsigned32 extension_id; /* for installation of MPCI_Fatal */
- rtems_unsigned32 remaining_memory;
-/* XXX these should use "public" methods to set their values.... */
- rtems_configuration_table *configuration = _Configuration_Table;
- rtems_multiprocessing_table *mp_configuration = _Configuration_MP_table;
-
- Shm_RTEMS_Configuration = configuration;
- Shm_RTEMS_MP_Configuration = mp_configuration;
-
- Shm_Local_node = Shm_RTEMS_MP_Configuration->node;
- Shm_Maximum_nodes = Shm_RTEMS_MP_Configuration->maximum_nodes;
-
- Shm_Get_configuration( Shm_Local_node, &Shm_Configuration );
-
- Shm_Receive_message_count = 0;
- Shm_Null_message_count = 0;
- Shm_Interrupt_count = 0;
-
- /*
- * Set the Node Status indicators
- */
-
- Shm_Pending_initialization =
- Shm_Convert(rtems_build_name( 'P', 'E', 'N', 'D' ));
- Shm_Initialization_complete =
- Shm_Convert(rtems_build_name( 'C', 'O', 'M', 'P' ));
- Shm_Active_node =
- Shm_Convert(rtems_build_name( 'A', 'C', 'T', 'V' ));
-
- /*
- * Initialize the constants used by the Locked Queue code.
- */
-
- Shm_Locked_queue_End_of_list = Shm_Convert( 0xffffffff );
- Shm_Locked_queue_Not_on_list = Shm_Convert( 0xfffffffe );
-
- /*
- * Set the base addresses for the:
- * + Node Status Table
- * + Free Pool and Receive Queues
- * + Envelopes
- */
-
- Shm_Node_statuses = (Shm_Node_status_control *) START_NS_CBS;
- Shm_Locked_queues = (Shm_Locked_queue_Control *) START_LQ_CBS;
- Shm_Envelopes = (Shm_Envelope_control *) START_ENVELOPES;
-
- /*
- * Calculate the maximum number of envelopes which can be
- * placed the remaining shared memory.
- */
-
- remaining_memory =
- ((void *)Shm_Configuration->base + Shm_Configuration->length) -
- ((void *)Shm_Envelopes);
-
- Shm_Maximum_envelopes = remaining_memory / sizeof( Shm_Envelope_control );
- Shm_Maximum_envelopes -= 1;
-
- /*
- * Set the pointer to the receive queue for the local node.
- * When we receive a node, we will get it from here before
- * processing it.
- */
-
- Shm_Local_receive_queue = &Shm_Locked_queues[ Shm_Local_node ];
- Shm_Local_node_status = &Shm_Node_statuses[ Shm_Local_node ];
-
- /*
- * Convert local interrupt cause information into the
- * neutral format so other nodes will be able to
- * understand it.
- */
-
- interrupt_address =
- (void *) Shm_Convert( (rtems_unsigned32)Shm_Configuration->Intr.address );
- interrupt_value = Shm_Convert( Shm_Configuration->Intr.value );
- interrupt_cause = Shm_Convert( Shm_Configuration->Intr.length );
-
- if ( Shm_Configuration->poll_intr == POLLED_MODE ) Shm_setclockvec();
- else Shm_setvec();
-
- if ( Shm_Is_master_node() ) {
-
- /*
- * Zero out the shared memory area.
- */
-
- (void) memset(
- (void *) Shm_Configuration->base,
- 0,
- Shm_Configuration->length
- );
-
- /*
- * Initialize all of the locked queues (the free envelope
- * pool and a receive queue per node) and set all of the
- * node's status so they will be waiting to initialization
- * to complete.
- */
-
- Shm_Locked_queue_Initialize( FREE_ENV_CB, FREE_ENV_POOL );
-
- for ( i=SHM_FIRST_NODE ; i<=Shm_Maximum_nodes ; i++ ) {
- Shm_Initialize_receive_queue( i );
-
- Shm_Node_statuses[ i ].status = Shm_Pending_initialization;
- Shm_Node_statuses[ i ].error = 0;
- }
-
- /*
- * Initialize all of the envelopes and place them in the
- * free pool.
- */
-
- for ( i=0 ; i<Shm_Maximum_envelopes ; i++ ) {
- Shm_Envelopes[ i ].index = Shm_Convert(i);
- Shm_Free_envelope( &Shm_Envelopes[ i ] );
- }
-
- /*
- * Initialize this node's interrupt information in the
- * shared area so other nodes can interrupt us.
- */
-
- Shm_Local_node_status->int_address = (rtems_unsigned32) interrupt_address;
- Shm_Local_node_status->int_value = interrupt_value;
- Shm_Local_node_status->int_length = interrupt_cause;
-
- Shm_Local_node_status->status = Shm_Initialization_complete;
-
- /*
- * Loop until all nodes have completed initialization.
- */
-
- do {
- all_initialized = 1;
-
- for ( i = SHM_FIRST_NODE ; i <= Shm_Maximum_nodes ; i++ )
- if ( Shm_Node_statuses[ i ].status != Shm_Initialization_complete )
- all_initialized = 0;
-
- } while ( all_initialized == 0 );
-
- /*
- * Tell the other nodes we think that the system is up.
- */
-
- for ( i = SHM_FIRST_NODE ; i <= Shm_Maximum_nodes ; i++ )
- Shm_Node_statuses[ i ].status = Shm_Active_node;
-
- } else { /* is not MASTER node */
-
- /*
- * Initialize the node status for the non-master nodes.
- * Because the master node zeroes out memory, it is
- * necessary for them to keep putting their values in
- * the node status area until the master says they
- * should become active.
- */
-
- Shm_Local_node_status->status = Shm_Pending_initialization;
-
- do {
-
- if ( Shm_Local_node_status->status == Shm_Pending_initialization ) {
-
- /*
- * Initialize this node's interrupt information in the
- * shared area so other nodes can interrupt us.
- */
-
- Shm_Local_node_status->int_address =
- (rtems_unsigned32) interrupt_address;
- Shm_Local_node_status->int_value = interrupt_value;
- Shm_Local_node_status->int_length = interrupt_cause;
-
- Shm_Local_node_status->status = Shm_Initialization_complete;
- }
- } while ( Shm_Local_node_status->status != Shm_Active_node ) ;
- }
-
- /*
- * Initialize the Interrupt Information Table
- */
-
- for ( i = SHM_FIRST_NODE ; i <= Shm_Maximum_nodes ; i++ ) {
- nscb = &Shm_Node_statuses[ i ];
-
- Shm_Interrupt_table[i].address = Shm_Convert_address(
- (void *)Shm_Convert(((vol_u32) nscb->int_address))
- );
- Shm_Interrupt_table[i].value = Shm_Convert( nscb->int_value );
- Shm_Interrupt_table[i].length = Shm_Convert( nscb->int_length );
- }
-
- MPCI_Shm_extensions.fatal = MPCI_Fatal;
-
- (void) rtems_extension_create(
- rtems_build_name( 'M', 'P', 'E', 'X' ),
- &MPCI_Shm_extensions,
- &extension_id
- );
-}
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