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Diffstat (limited to 'c/src/lib/libbsp/sparc/leon3/console/debugputs.c')
-rw-r--r--c/src/lib/libbsp/sparc/leon3/console/debugputs.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/console/debugputs.c b/c/src/lib/libbsp/sparc/leon3/console/debugputs.c
new file mode 100644
index 0000000000..066a584386
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/leon3/console/debugputs.c
@@ -0,0 +1,104 @@
+/*
+ * This file contains the TTY driver for the serial ports on the LEON.
+ *
+ * This driver uses the termios pseudo driver.
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * Modified for LEON3 BSP.
+ * COPYRIGHT (c) 2004.
+ * Gaisler Research.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+/*
+ * console_outbyte_polled
+ *
+ * This routine transmits a character using polling.
+ */
+
+void console_outbyte_polled(
+ int port,
+ unsigned char ch
+)
+{
+ if ((port >= 0) && (port <= CONFIGURE_NUMBER_OF_TERMIOS_PORTS))
+ {
+ while ( (LEON3_Console_Uart[port]->status & LEON_REG_UART_STATUS_THE) == 0 );
+ LEON3_Console_Uart[port]->data = (unsigned int) ch;
+ }
+}
+
+/*
+ * console_inbyte_nonblocking
+ *
+ * This routine polls for a character.
+ */
+
+int console_inbyte_nonblocking( int port )
+{
+
+ if ((port >=0) && (port < CONFIGURE_NUMBER_OF_TERMIOS_PORTS))
+ {
+
+ if (LEON3_Console_Uart[port]->status & LEON_REG_UART_STATUS_ERR) {
+ LEON3_Console_Uart[port]->status = ~LEON_REG_UART_STATUS_ERR;
+ }
+
+ if ((LEON3_Console_Uart[port]->status & LEON_REG_UART_STATUS_DR) == 0)
+ return -1;
+ return (int) LEON3_Console_Uart[port]->data;
+ }
+
+ else
+ {
+ assert( 0 );
+ }
+
+ return -1;
+}
+
+/*
+ * DEBUG_puts
+ *
+ * This should be safe in the event of an error. It attempts to insure
+ * that no TX empty interrupts occur while it is doing polled IO. Then
+ * it restores the state of that external interrupt.
+ *
+ * Input parameters:
+ * string - pointer to debug output string
+ *
+ * Output parameters: NONE
+ *
+ * Return values: NONE
+ */
+
+void DEBUG_puts(
+ char *string
+)
+{
+ char *s;
+ /* unsigned32 old_level; */
+
+ /* LEON_Disable_interrupt( LEON_INTERRUPT_UART_1_RX_TX, old_level ); */
+ sparc_disable_interrupts();
+ LEON3_Console_Uart[0]->ctrl = LEON_REG_UART_CTRL_TE;
+ for ( s = string ; *s ; s++ )
+ console_outbyte_polled( 0, *s );
+
+ console_outbyte_polled( 0, '\r' );
+ console_outbyte_polled( 0, '\n' );
+ sparc_enable_interrupts();
+ /* LEON_Restore_interrupt( LEON_INTERRUPT_UART_1_RX_TX, old_level ); */
+}