From 4055e6f86f2649e40e5f3a49c3c5459e55e57002 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Mon, 16 Apr 2001 20:18:03 +0000 Subject: 2001-04-11 Eric Valette * clock/.cvsignore, clock/Makefile.am, clock/p_clock.c, include/8xx_immap.h, include/commproc.h, irq/.cvsignore, irq/Makefile.am, irq/irq.c, irq/irq.h, irq/irq_asm.S, irq/irq_init.c, vectors/.cvsignore, vectors/Makefile.am, vectors/vectors.S, vectors/vectors.h, vectors/vectors_init.c: New file. * Switch the eth_comm BSP to use the "new exception processing model." --- c/src/lib/libbsp/powerpc/eth_comm/clock/p_clock.c | 70 +++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 c/src/lib/libbsp/powerpc/eth_comm/clock/p_clock.c (limited to 'c/src/lib/libbsp/powerpc/eth_comm/clock/p_clock.c') diff --git a/c/src/lib/libbsp/powerpc/eth_comm/clock/p_clock.c b/c/src/lib/libbsp/powerpc/eth_comm/clock/p_clock.c new file mode 100644 index 0000000000..327919f7f9 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/eth_comm/clock/p_clock.c @@ -0,0 +1,70 @@ +/* + * Clock Tick interrupt conexion code. + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * Modified to support the MPC750. + * Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr + * + * $Id$ + */ + +#include +#include + +extern void clockOn(void*); +extern void clockOff (void*); +extern int clockIsOn(void*); +extern void Clock_isr(); + +static rtems_irq_connect_data clockIrqData = {BSP_PERIODIC_TIMER, + (rtems_irq_hdl)Clock_isr, + (rtems_irq_enable)clockOn, + (rtems_irq_disable)clockOff, + (rtems_irq_is_enabled)clockIsOn}; + +int BSP_get_clock_irq_level() +{ + /* + * Caution : if you change this, you must change the + * definition of BSP_PERIODIC_TIMER accordingly + */ + return 6; +} + +int BSP_disconnect_clock_handler (void) +{ + if (!BSP_get_current_rtems_irq_handler(&clockIrqData)) { + printk("Unable to stop system clock\n"); + rtems_fatal_error_occurred(1); + } + return BSP_remove_rtems_irq_handler (&clockIrqData); +} + +int BSP_connect_clock_handler (rtems_irq_hdl hdl) +{ + if (!BSP_get_current_rtems_irq_handler(&clockIrqData)) { + printk("Unable to get system clock handler\n"); + rtems_fatal_error_occurred(1); + } + if (!BSP_remove_rtems_irq_handler (&clockIrqData)) { + printk("Unable to remove current system clock handler\n"); + rtems_fatal_error_occurred(1); + } + /* + * Reinit structure + */ + clockIrqData.name = BSP_PERIODIC_TIMER; + clockIrqData.hdl = (rtems_irq_hdl) hdl; + clockIrqData.on = (rtems_irq_enable)clockOn; + clockIrqData.off = (rtems_irq_enable)clockOff; + clockIrqData.isOn = (rtems_irq_is_enabled)clockIsOn; + + return BSP_install_rtems_irq_handler (&clockIrqData); +} -- cgit v1.2.3