/**************************************************************************** * arch/mips/include/pic32mx/irq.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /* This file should never be included directly but, rather, only indirectly * through nuttx/irq.h */ #ifndef __ARCH_MIPS_INCLUDE_PIC32MX_IRQ_H #define __ARCH_MIPS_INCLUDE_PIC32MX_IRQ_H /**************************************************************************** * Included Files ****************************************************************************/ #include #if defined(CHIP_PIC32MX1) || defined(CHIP_PIC32MX2) # include #elif defined(CHIP_PIC32MX3) || defined(CHIP_PIC32MX4) # include #elif defined(CHIP_PIC32MX5) || defined(CHIP_PIC32MX6) || defined(CHIP_PIC32MX7) # include #else # error "Unknown PIC32MX family #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /**************************************************************************** * Public Types ****************************************************************************/ #ifndef __ASSEMBLY__ /**************************************************************************** * Inline functions ****************************************************************************/ /**************************************************************************** * Name: cp0_getintctl * * Description: * Get the CP0 IntCtl register * * Input Parameters: * None * * Returned Value: * None * ****************************************************************************/ static inline uint32_t cp0_getintctl(void) { register uint32_t intctl; __asm__ __volatile__ ( "\t.set push\n" "\t.set noat\n" "\t mfc0 %0, $12, 1\n" /* Get CP0 IntCtl register */ "\t.set pop\n" : "=r" (intctl) : : "memory" ); return intctl; } /**************************************************************************** * Name: cp0_putintctl * * Description: * Write the CP0 IntCtl register * * Input Parameters: * None * * Returned Value: * None * ****************************************************************************/ static inline void cp0_putintctl(uint32_t intctl) { __asm__ __volatile__ ( "\t.set push\n" "\t.set noat\n" "\t.set noreorder\n" "\tmtc0 %0, $12, 1\n" /* Set the IntCtl to the provided value */ "\t.set pop\n" : : "r" (intctl) : "memory" ); } /**************************************************************************** * Name: cp0_getebase * * Description: * Get the CP0 EBASE register * * Input Parameters: * None * * Returned Value: * None * ****************************************************************************/ static inline uint32_t cp0_getebase(void) { register uint32_t ebase; __asm__ __volatile__ ( "\t.set push\n" "\t.set noat\n" "\t mfc0 %0, $15, 1\n" /* Get CP0 EBASE register */ "\t.set pop\n" : "=r" (ebase) : : "memory" ); return ebase; } /**************************************************************************** * Name: cp0_putebase * * Description: * Write the CP0 EBASE register * * Input Parameters: * None * * Returned Value: * None * ****************************************************************************/ static inline void cp0_putebase(uint32_t ebase) { __asm__ __volatile__ ( "\t.set push\n" "\t.set noat\n" "\t.set noreorder\n" "\tmtc0 %0, $15, 1\n" /* Set the EBASE to the provided value */ "\t.set pop\n" : : "r" (ebase) : "memory" ); } /**************************************************************************** * Public Data ****************************************************************************/ /**************************************************************************** * Public Function Prototypes ****************************************************************************/ #ifdef __cplusplus #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif #undef EXTERN #ifdef __cplusplus } #endif #endif /* __ASSEMBLY__ */ #endif /* __ARCH_MIPS_INCLUDE_PIC32MX_IRQ_H */