nuttx/arch/risc-v/include/mode.h
Inochi Amaoto 1ef3767f85 arch/risc-v: unfiy IPI access
Add ipi process abstract function support.

Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
2024-04-27 22:09:22 -03:00

122 lines
5.0 KiB
C

/****************************************************************************
* arch/risc-v/include/mode.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.
*
****************************************************************************/
#ifndef __ARCH_RISCV_INCLUDE_MODE_H
#define __ARCH_RISCV_INCLUDE_MODE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/irq.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifdef CONFIG_ARCH_USE_S_MODE
/* CSR definitions */
# define CSR_STATUS CSR_SSTATUS /* Global status register */
# define CSR_SCRATCH CSR_SSCRATCH /* Scratch register */
# define CSR_EPC CSR_SEPC /* Exception program counter */
# define CSR_IE CSR_SIE /* Interrupt enable register */
# define CSR_IP CSR_SIP /* Interrupt pending register */
# define CSR_CAUSE CSR_SCAUSE /* Interrupt cause register */
# define CSR_TVAL CSR_STVAL /* Trap value register */
# define CSR_TVEC CSR_STVEC /* Trap vector base addr register */
/* In status register */
# define STATUS_IE SSTATUS_SIE /* Global interrupt enable */
# define STATUS_PIE SSTATUS_SPIE /* Previous interrupt enable */
# define STATUS_PPP SSTATUS_SPPS /* Previous privilege */
# define STATUS_SUM SSTATUS_SUM /* Access to user memory */
/* Interrupt bits */
# define IE_EIE SIE_SEIE /* External interrupt enable */
# define IE_SIE SIE_SSIE /* Software interrupt enable */
# define IE_TIE SIE_STIE /* Timer interrupt enable */
/* Interrupt pending bits */
# define IP_EIP SIP_SEIP /* External interrupt pending */
# define IP_SIP SIP_SSIP /* Software interrupt pending */
# define IP_TIP SIP_STIP /* Timer interrupt pending */
/* External, timer and software interrupt */
# define RISCV_IRQ_EXT RISCV_IRQ_SEXT /* PLIC IRQ */
# define RISCV_IRQ_TIMER RISCV_IRQ_STIMER /* Timer IRQ */
# define RISCV_IRQ_SOFT RISCV_IRQ_SSOFT /* SW IRQ */
/* Define return from exception */
# define ERET sret
#else
/* CSR definitions */
# define CSR_STATUS CSR_MSTATUS /* Global status register */
# define CSR_SCRATCH CSR_MSCRATCH /* Scratch register */
# define CSR_EPC CSR_MEPC /* Exception program counter */
# define CSR_IE CSR_MIE /* Interrupt enable register */
# define CSR_IP CSR_MIP /* Interrupt pending register */
# define CSR_CAUSE CSR_MCAUSE /* Interrupt cause register */
# define CSR_TVAL CSR_MTVAL /* Trap value register */
# define CSR_TVEC CSR_MTVEC /* Trap vector base addr register */
/* In status register */
# define STATUS_IE MSTATUS_MIE /* Global interrupt enable */
# define STATUS_PIE MSTATUS_MPIE /* Previous interrupt enable */
# define STATUS_PPP MSTATUS_MPPM /* Previous privilege */
# define STATUS_SUM 0 /* Not needed in M-mode */
/* Interrupt bits */
# define IE_EIE MIE_MEIE /* External interrupt enable */
# define IE_SIE MIE_MSIE /* Software interrupt enable */
# define IE_TIE MIE_MTIE /* Timer interrupt enable */
/* Interrupt pending bits */
# define IP_EIP MIP_MEIP /* External interrupt pending */
# define IP_SIP MIP_MSIP /* Software interrupt pending */
# define IP_TIP MIP_MTIP /* Timer interrupt pending */
/* External, timer and software interrupt */
# define RISCV_IRQ_EXT RISCV_IRQ_MEXT /* PLIC IRQ */
# define RISCV_IRQ_TIMER RISCV_IRQ_MTIMER /* Timer IRQ */
# define RISCV_IRQ_SOFT RISCV_IRQ_MSOFT /* SW IRQ */
/* Define return from exception */
# define ERET mret
#endif
#endif /* __ARCH_RISCV_INCLUDE_MODE_H */