diff options
Diffstat (limited to 'nuttx/arch/mips/src/pic32mx/pic32mx-irq.c')
-rwxr-xr-x | nuttx/arch/mips/src/pic32mx/pic32mx-irq.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/nuttx/arch/mips/src/pic32mx/pic32mx-irq.c b/nuttx/arch/mips/src/pic32mx/pic32mx-irq.c new file mode 100755 index 000000000..19ecfb8e7 --- /dev/null +++ b/nuttx/arch/mips/src/pic32mx/pic32mx-irq.c @@ -0,0 +1,153 @@ +/**************************************************************************** + * arch/mips/src/pic32mx/pic32mx-irq.c + * arch/mips/src/chip/pic32mx-irq.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/irq.h> +#include <nuttx/arch.h> + +#include <arch/irq.h> +#include <arch/pic32mx/cp0.h> + +#include "up_arch.h" +#include "os_internal.h" +#include "up_internal.h" +#include "pic32mx-internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +volatile uint32_t *current_regs; + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_irqinitialize + ****************************************************************************/ + +void up_irqinitialize(void) +{ + /* Disable all interrupts */ +#warning "Missing logic" + + /* currents_regs is non-NULL only while processing an interrupt */ + + current_regs = NULL; + + /* Attach processor exceptions */ + + /* Initialize logic to support a second level of interrupt decoding for + * IOPORT pins. + */ + +#ifdef CONFIG_GPIO_IRQ + lpc17_gpioirqinitialize(); +#endif + + /* And finally, enable interrupts */ + +#ifndef CONFIG_SUPPRESS_INTERRUPTS + irqrestore(CP0_STATUS_IM_ALL); +#endif +} + +/**************************************************************************** + * Name: up_disable_irq + * + * Description: + * Disable the IRQ specified by 'irq' + * + ****************************************************************************/ + +void up_disable_irq(int irq) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: up_enable_irq + * + * Description: + * Enable the IRQ specified by 'irq' + * + ****************************************************************************/ + +void up_enable_irq(int irq) +{ +#warning "Missing logic" +} + +/**************************************************************************** + * Name: up_prioritize_irq + * + * Description: + * Set the priority of an IRQ. + * + * Since this API is not supported on all architectures, it should be + * avoided in common implementations where possible. + * + ****************************************************************************/ + +#ifdef CONFIG_ARCH_IRQPRIO +int up_prioritize_irq(int irq, int priority) +{ +#warning "Missing logic" + return -ENOSYS; +} +#endif |