e33fc3dc89
Author: Gregory Nutt <gnutt@nuttx.org>
Run all .c and .h modified in PR through nxstyle.
Author: Masayuki Ishikawa <masayuki.ishikawa@gmail.com>
feature k210 (#16)
* arch: risc-v: Add support for __LP64__ to types.h
* arch: risc-v: Add support for RV64GC to common files
* arch: risc-v: Add support for Kendryte K210 processor (RV64GC)
* boards: risk-v: Add support for Sipeed Maix Bit with K210
* tools: Add support for Kendryte K210 processor
122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/****************************************************************************
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* arch/risc-v/include/k210/irq.h
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*
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* Copyright (C) 2019 Masayuki Ishikawa. All rights reserved.
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* Author: Masayuki Ishikawa <masayuki.ishikawa@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __ARCH_RISCV_INCLUDE_K210_IRQ_H
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#define __ARCH_RISCV_INCLUDE_K210_IRQ_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <arch/irq.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Machine Interrupt Enable bit in mstatus register */
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#define MSTATUS_MIE (0x1 << 3)
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/* In mie (machine interrupt enable) register */
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#define MIE_MTIE (0x1 << 7) /* Machine Timer Interrupt Enable */
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#define MIE_MEIE (0x1 << 11) /* Machine External Interrupt Enable */
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/* Map RISC-V exception code to NuttX IRQ */
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/* IRQ 0-15 : (exception:interrupt=0) */
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#define K210_IRQ_IAMISALIGNED (0) /* Instruction Address Misaligned */
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#define K210_IRQ_IAFAULT (1) /* Instruction Address Fault */
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#define K210_IRQ_IINSTRUCTION (2) /* Illegal Instruction */
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#define K210_IRQ_BPOINT (3) /* Break Point */
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#define K210_IRQ_LAMISALIGNED (4) /* Load Address Misaligned */
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#define K210_IRQ_LAFAULT (5) /* Load Access Fault */
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#define K210_IRQ_SAMISALIGNED (6) /* Store/AMO Address Misaligned */
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#define K210_IRQ_SAFAULT (7) /* Store/AMO Access Fault */
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#define K210_IRQ_ECALLU (8) /* Environment Call from U-mode */
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/* 9-10: Reserved */
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#define K210_IRQ_ECALLM (11) /* Environment Call from M-mode */
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/* 12-15: Reserved */
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/* IRQ 16- : (async event:interrupt=1) */
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#define K210_IRQ_ASYNC (16)
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#define K210_IRQ_MSOFT (K210_IRQ_ASYNC + 3) /* Machine Software Int */
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#define K210_IRQ_MTIMER (K210_IRQ_ASYNC + 7) /* Machine Timer Int */
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#define K210_IRQ_MEXT (K210_IRQ_ASYNC + 11) /* Machine External Int */
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/* Machine Grobal External Interrupt */
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#define K210_IRQ_UART0 (K210_IRQ_MEXT + 33)
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/* Total number of IRQs */
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#define NR_IRQS (K210_IRQ_UART0 + 1)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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EXTERN irqstate_t up_irq_save(void);
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EXTERN void up_irq_restore(irqstate_t);
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EXTERN irqstate_t up_irq_enable(void);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_RISCV_INCLUDE_K210_IRQ_H */
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