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Add eclic interrupt driver

This commit is contained in:
Stefan Kerkmann 2021-03-17 21:34:16 +01:00
parent 5abb73e524
commit a44a68bf7d
2 changed files with 150 additions and 0 deletions
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84
os/hal/ports/common/RISCV-ECLIC/eclic.c Normal file
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/*
ChibiOS - Copyright (C) 2021 Stefan Kerkmann
Licensed 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.
*/
/**
* @file common/RISCV-ECLIC/eclic.c
* @brief RISC-V ECLIC interrupt support code.
*
* @addtogroup COMMON_RISCV_ECLIC
* @{
*/
#include "hal.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Sets the level and trigger of an interrupt handler and enables it.
*
* @param[in] n the interrupt number
* @param[in] level the interrupt level
* @param[in] trigger the interrupt trigger
*/
void eclicEnableVector(uint32_t n, uint32_t prio, uint32_t trigger) {
__ECLIC_SetLevelIRQ(n, prio);
__ECLIC_SetTrigIRQ(n, trigger);
__ECLIC_EnableIRQ(n);
}
/**
* @brief Disables an interrupt handler.
*
* @param[in] n the interrupt number
*/
void eclicDisableVector(uint32_t n) { __ECLIC_DisableIRQ(n); }
/**
* @brief Clears a pending interrupt source.
*
* @param[in] n the interrupt number
*/
void eclicClearPending(uint32_t n) { __ECLIC_ClearPendingIRQ(n); }
/**
* @brief System Reset
*/
__attribute__((noreturn)) void eclicSystemReset(void) {
SysTimer_SoftwareReset();
}
/** @} */

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os/hal/ports/common/RISCV-ECLIC/eclic.h Normal file
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/*
ChibiOS - Copyright (C) 2021 Stefan Kerkmann
Licensed 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.
*/
/**
* @file common/RISCV-ECLIC/eclic.h
* @brief RISC-V ECLIC support macros and structures.
*
* @addtogroup COMMON_RISCV_ECLIC
* @{
*/
#ifndef ECLIC_H
#define ECLIC_H
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void eclicInit(void);
void eclicEnableVector(uint32_t n, uint32_t level, uint32_t trigger);
void eclicDisableVector(uint32_t n);
void eclicClearPending(uint32_t n);
void eclicSystemReset(void);
#ifdef __cplusplus
}
#endif
#endif /* ECLIC_H */
/** @} */