From 2b3e9d9b244e279ef5693a7cf5dacc7903164af5 Mon Sep 17 00:00:00 2001 From: Ralf Corsepius Date: Mon, 22 Jul 2002 09:46:48 +0000 Subject: Remove, moved to cpukit. --- c/src/exec/sapi/src/io.c | 460 ----------------------------------------------- 1 file changed, 460 deletions(-) delete mode 100644 c/src/exec/sapi/src/io.c (limited to 'c/src/exec/sapi/src/io.c') diff --git a/c/src/exec/sapi/src/io.c b/c/src/exec/sapi/src/io.c deleted file mode 100644 index 8d98253393..0000000000 --- a/c/src/exec/sapi/src/io.c +++ /dev/null @@ -1,460 +0,0 @@ -/* - * Input/Output Manager - * - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include -#include -#include -#include -#include - -#include - -/*PAGE - * - * _IO_Manager_initialization - * - * The IO manager has been extended to support runtime driver - * registration. The driver table is now allocated in the - * workspace. - * - */ - -void _IO_Manager_initialization( - rtems_driver_address_table *driver_table, - unsigned32 drivers_in_table, - unsigned32 number_of_drivers, - unsigned32 number_of_devices -) -{ - void *tmp; - unsigned32 index; - rtems_driver_name_t *np; - - if ( number_of_drivers < drivers_in_table ) - number_of_drivers = drivers_in_table; - - tmp = _Workspace_Allocate_or_fatal_error( - sizeof( rtems_driver_address_table ) * ( number_of_drivers ) - ); - - _IO_Driver_address_table = (rtems_driver_address_table *) tmp; - - memset( - _IO_Driver_address_table, 0, - sizeof( rtems_driver_address_table ) * ( number_of_drivers ) - ); - - if ( drivers_in_table ) - for ( index = 0 ; index < drivers_in_table ; index++ ) - _IO_Driver_address_table[index] = driver_table[index]; - - _IO_Number_of_drivers = number_of_drivers; - _IO_Number_of_devices = number_of_devices; - - tmp = _Workspace_Allocate_or_fatal_error( - sizeof( rtems_driver_name_t ) * ( number_of_devices + 1 ) - ); - - _IO_Driver_name_table = (rtems_driver_name_t *) tmp; - - for( index=0, np = _IO_Driver_name_table ; - index < _IO_Number_of_devices ; - index++, np++ ) { - np->device_name = 0; - np->device_name_length = 0; - np->major = 0; - np->minor = 0; - } -} - -/*PAGE - * - * _IO_Initialize_all_drivers - * - * This routine initializes all device drivers - * - * Input Paramters: NONE - * - * Output Parameters: NONE - */ - -void _IO_Initialize_all_drivers( void ) -{ - rtems_device_major_number major; - - for ( major=0 ; major < _IO_Number_of_drivers ; major ++ ) - (void) rtems_io_initialize( major, 0, NULL); -} - -/*PAGE - * - * rtems_io_register_driver - * - * Register a driver into the device driver table. - * - * Input Paramters: - * major - device major number (0 means allocate - * a number) - * driver_table - driver callout function table - * registered_major - the major number which is registered - * - * Output Parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_io_register_driver( - rtems_device_major_number major, - rtems_driver_address_table *driver_table, - rtems_device_major_number *registered_major -) -{ - *registered_major = 0; - - /* - * Test for initialise/open being present to indicate the driver slot is - * in use. - */ - - if ( major >= _IO_Number_of_drivers ) - return RTEMS_INVALID_NUMBER; - - if ( major == 0 ) - { - for ( major = _IO_Number_of_drivers - 1 ; major ; major-- ) - if ( _IO_Driver_address_table[major].initialization_entry == 0 && - _IO_Driver_address_table[major].open_entry == 0 ) - break; - - if (( major == 0 ) && - ( _IO_Driver_address_table[major].initialization_entry == 0 && - _IO_Driver_address_table[major].open_entry == 0 )) - return RTEMS_TOO_MANY; - } - - if ( _IO_Driver_address_table[major].initialization_entry == 0 && - _IO_Driver_address_table[major].open_entry == 0 ) - { - _IO_Driver_address_table[major] = *driver_table; - *registered_major = major; - - rtems_io_initialize( major, 0, NULL); - - return RTEMS_SUCCESSFUL; - } - - return RTEMS_RESOURCE_IN_USE; -} - -/*PAGE - * - * rtems_io_unregister_driver - * - * Unregister a driver from the device driver table. - * - * Input Paramters: - * major - device major number - * - * Output Parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -rtems_status_code rtems_io_unregister_driver( - rtems_device_major_number major -) -{ - if ( major < _IO_Number_of_drivers ) - { - memset( - &_IO_Driver_address_table[major], - 0, - sizeof( rtems_driver_address_table ) - ); - return RTEMS_SUCCESSFUL; - } - return RTEMS_UNSATISFIED; -} - -/*PAGE - * - * rtems_io_register_name - * - * Associate a name with a driver - * - * Input Paramters: - * device_name - pointer to name string to associate with device - * major - device major number to receive name - * minor - device minor number to receive name - * - * Output Parameters: - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -#if 0 -rtems_status_code rtems_io_register_name( - char *device_name, - rtems_device_major_number major, - rtems_device_minor_number minor - ) -{ - rtems_driver_name_t *np; - unsigned32 level; - unsigned32 index; - - /* find an empty slot */ - for( index=0, np = _IO_Driver_name_table ; - index < _IO_Number_of_devices ; - index++, np++ ) - { - - _ISR_Disable(level); - if (np->device_name == 0) - { - np->device_name = device_name; - np->device_name_length = strlen(device_name); - np->major = major; - np->minor = minor; - _ISR_Enable(level); - - return RTEMS_SUCCESSFUL; - } - _ISR_Enable(level); - } - - return RTEMS_TOO_MANY; -} -#endif - -/*PAGE - * - * rtems_io_lookup_name - * - * Find what driver "owns" this name - * - * Input Paramters: - * name - name to lookup the associated device - * - * Output Parameters: - * device_info - device associate with name - * RTEMS_SUCCESSFUL - if successful - * error code - if unsuccessful - */ - -#if 0 -rtems_status_code rtems_io_lookup_name( - const char *name, - rtems_driver_name_t **device_info -) -{ - rtems_driver_name_t *np; - unsigned32 index; - - for( index=0, np = _IO_Driver_name_table ; - index < _IO_Number_of_devices ; - index++, np++ ) - if (np->device_name) - if (strncmp(np->device_name, name, np->device_name_length) == 0) - { - *device_info = np; - return RTEMS_SUCCESSFUL; - } - - *device_info = 0; - return RTEMS_UNSATISFIED; -} -#endif - - -/*PAGE - * - * rtems_io_initialize - * - * This routine is the initialization directive of the IO manager. - * - * Input Paramters: - * major - device driver number - * minor - device number - * argument - pointer to argument(s) - * - * Output Parameters: - * returns - return code - */ - -rtems_status_code rtems_io_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -) -{ - rtems_device_driver_entry callout; - - if ( major >= _IO_Number_of_drivers ) - return RTEMS_INVALID_NUMBER; - - callout = _IO_Driver_address_table[major].initialization_entry; - return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_io_open - * - * This routine is the open directive of the IO manager. - * - * Input Paramters: - * major - device driver number - * minor - device number - * argument - pointer to argument(s) - * - * Output Parameters: - * returns - return code - */ - -rtems_status_code rtems_io_open( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -) -{ - rtems_device_driver_entry callout; - - if ( major >= _IO_Number_of_drivers ) - return RTEMS_INVALID_NUMBER; - - callout = _IO_Driver_address_table[major].open_entry; - return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_io_close - * - * This routine is the close directive of the IO manager. - * - * Input Paramters: - * major - device driver number - * minor - device number - * argument - pointer to argument(s) - * - * Output Parameters: - * returns - return code - */ - -rtems_status_code rtems_io_close( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -) -{ - rtems_device_driver_entry callout; - - if ( major >= _IO_Number_of_drivers ) - return RTEMS_INVALID_NUMBER; - - callout = _IO_Driver_address_table[major].close_entry; - return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_io_read - * - * This routine is the read directive of the IO manager. - * - * Input Paramters: - * major - device driver number - * minor - device number - * argument - pointer to argument(s) - * - * Output Parameters: - * returns - return code - */ - -rtems_status_code rtems_io_read( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -) -{ - rtems_device_driver_entry callout; - - if ( major >= _IO_Number_of_drivers ) - return RTEMS_INVALID_NUMBER; - - callout = _IO_Driver_address_table[major].read_entry; - return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_io_write - * - * This routine is the write directive of the IO manager. - * - * Input Paramters: - * major - device driver number - * minor - device number - * argument - pointer to argument(s) - * - * Output Parameters: - * returns - return code - */ - -rtems_status_code rtems_io_write( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -) -{ - rtems_device_driver_entry callout; - - if ( major >= _IO_Number_of_drivers ) - return RTEMS_INVALID_NUMBER; - - callout = _IO_Driver_address_table[major].write_entry; - return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL; -} - -/*PAGE - * - * rtems_io_control - * - * This routine is the control directive of the IO manager. - * - * Input Paramters: - * major - device driver number - * minor - device number - * argument - pointer to argument(s) - * - * Output Parameters: - * returns - return code - */ - -rtems_status_code rtems_io_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *argument -) -{ - rtems_device_driver_entry callout; - - if ( major >= _IO_Number_of_drivers ) - return RTEMS_INVALID_NUMBER; - - callout = _IO_Driver_address_table[major].control_entry; - return callout ? callout(major, minor, argument) : RTEMS_SUCCESSFUL; -} - -- cgit v1.2.3