diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/go32/console/console.c')
| -rw-r--r-- | c/src/lib/libbsp/i386/go32/console/console.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/c/src/lib/libbsp/i386/go32/console/console.c b/c/src/lib/libbsp/i386/go32/console/console.c deleted file mode 100644 index 0449686da8..0000000000 --- a/c/src/lib/libbsp/i386/go32/console/console.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * This file contains the go32 console IO package. - * - * $Id$ - */ - -#define IBMPC_INIT - -#include <stdlib.h> - -#include <bsp.h> -#include <rtems/libio.h> - -#include <dpmi.h> -#include <go32.h> - -/* console_cleanup - * - * This routine is called at exit to clean up the console hardware. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -void console_cleanup( void ) -{ - /* nothing */ -} - -/* console_initialize - * - * This routine initializes the console IO driver. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -/* Set this if console I/O should use go32 (DOS) read/write calls. */ -/* Otherwise, direct hardware accesses will be used. */ - -int _IBMPC_Use_Go32_IO = 0; - -static rtems_isr_entry old_keyboard_isr = NULL; - -extern void _IBMPC_keyboard_isr( rtems_unsigned32 interrupt ); - -rtems_device_driver console_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg -) -{ - rtems_status_code status; - - if ( _IBMPC_Use_Go32_IO ) { - /* Nothing. We let DOS and go32 do all the work. */ - } else { - /* Grap the keyboard interrupt so DOS doesn't steal our */ - /* keystrokes. */ - rtems_status_code status; - - status = - rtems_interrupt_catch( _IBMPC_keyboard_isr, 9, &old_keyboard_isr ); - - if ( status ) { - int write( int, void *, int ); - void exit( int ); - - char msg[] = "error initializing keyboard\n"; - write( 2, msg, sizeof msg - 1 ); - exit( 1 ); - } - } - - status = rtems_io_register_name( - "/dev/console", - major, - (rtems_device_minor_number) 0 - ); - - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - atexit( console_cleanup ); - - return RTEMS_SUCCESSFUL; -} - - -/* is_character_ready - * - * This routine returns TRUE if a character is available. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_boolean is_character_ready( - char *ch -) -{ - return _IBMPC_chrdy( ch ) ? TRUE : FALSE; -} - -/* inbyte - * - * This routine reads a character from the UART. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - * character read from UART - */ - -char inbyte( void ) -{ - char ch = _IBMPC_inch(); -#if 1 - /* Echo character to screen */ - void outbyte( char ch ); - outbyte( ch ); - if ( ch == '\r' ) - outbyte( '\n' ); -#endif - return ch; -} - -/* outbyte - * - * This routine transmits a character out the port. - * - * Input parameters: - * ch - character to be transmitted - * - * Output parameters: NONE - */ - -void outbyte( char ch ) -{ - _IBMPC_outch( ch ); -} - -/* - * Open entry point - */ - -rtems_device_driver console_open( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return RTEMS_SUCCESSFUL; -} - -/* - * Close entry point - */ - -rtems_device_driver console_close( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return RTEMS_SUCCESSFUL; -} - -/* - * read bytes from the serial port. We only have stdin. - */ - -rtems_device_driver console_read( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - rtems_libio_rw_args_t *rw_args; - char *buffer; - int maximum; - int count = 0; - - rw_args = (rtems_libio_rw_args_t *) arg; - - buffer = rw_args->buffer; - maximum = rw_args->count; - - for (count = 0; count < maximum; count++) { - buffer[ count ] = inbyte(); - if (buffer[ count ] == '\n' || buffer[ count ] == '\r') { - /* What if this goes past the end of the buffer? We're hosed. [bhc] */ - buffer[ count++ ] = '\n'; - break; - } - } - - rw_args->bytes_moved = count; - return (count >= 0) ? RTEMS_SUCCESSFUL : RTEMS_UNSATISFIED; -} - -/* - * write bytes to the serial port. Stdout and stderr are the same. - */ - -rtems_device_driver console_write( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - int count; - int maximum; - rtems_libio_rw_args_t *rw_args; - char *buffer; - - rw_args = (rtems_libio_rw_args_t *) arg; - - buffer = rw_args->buffer; - maximum = rw_args->count; - - for (count = 0; count < maximum; count++) { - if ( buffer[ count ] == '\n') { - outbyte('\r'); - } - outbyte( buffer[ count ] ); - } - - rw_args->bytes_moved = maximum; - return 0; -} - -/* - * IO Control entry point - */ - -rtems_device_driver console_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return RTEMS_SUCCESSFUL; -} - |