risc-v: Remove duplicated up_idle logic
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi
Xiang Xiao
parent
9223547afc
commit
7134220ae2
15 changed files with 16 additions and 477 deletions
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@ -33,6 +33,7 @@ CMN_CSRCS += riscv_interruptcontext.c riscv_modifyreg32.c riscv_puts.c riscv_mde
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CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c riscv_copyfullstate.c
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CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
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CMN_CSRCS += riscv_sigdeliver.c riscv_udelay.c riscv_unblocktask.c riscv_usestack.c
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CMN_CSRCS += riscv_idle.c
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ifeq ($(CONFIG_SCHED_BACKTRACE),y)
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CMN_CSRCS += riscv_backtrace.c
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@ -52,7 +53,7 @@ endif
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# Specify our C code within this directory to be included
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CHIP_CSRCS = bl602_allocateheap.c
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CHIP_CSRCS += bl602_idle.c bl602_irq.c bl602_irq_dispatch.c
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CHIP_CSRCS += bl602_irq.c bl602_irq_dispatch.c
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CHIP_CSRCS += bl602_serial.c bl602_lowputc.c bl602_tim.c
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CHIP_CSRCS += bl602_start.c bl602_timerisr.c bl602_efuse.c
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CHIP_CSRCS += bl602_os_hal.c
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@ -1,67 +0,0 @@
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/****************************************************************************
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* arch/risc-v/src/bl602/bl602_idle.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "riscv_internal.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_idle
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*
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* Description:
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* up_idle() is the logic that will be executed when their is no other
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* ready-to-run task. This is processor idle time and will continue until
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* some interrupt occurs to cause a context switch from the idle task.
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*
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* Processing in this state may be processor-specific. e.g., this is where
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* power management operations might be performed.
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*
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****************************************************************************/
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void up_idle(void)
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{
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#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
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/* If the system is idle and there are no timer interrupts, then process
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* "fake" timer interrupts. Hopefully, something will wake up.
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*/
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nxsched_process_timer();
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#else
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/* This would be an appropriate place to put some MCU-specific logic to
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* sleep in a reduced power mode until an interrupt occurs to save power
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*/
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asm("WFI");
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#endif
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}
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@ -33,7 +33,7 @@ CMN_CSRCS += riscv_interruptcontext.c riscv_modifyreg32.c riscv_puts.c
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CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c
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CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
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CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
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CMN_CSRCS += riscv_mdelay.c riscv_copyfullstate.c
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CMN_CSRCS += riscv_mdelay.c riscv_copyfullstate.c riscv_idle.c
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ifeq ($(CONFIG_SCHED_BACKTRACE),y)
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CMN_CSRCS += riscv_backtrace.c
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@ -53,7 +53,7 @@ endif
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# Specify our C code within this directory to be included
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CHIP_CSRCS = c906_allocateheap.c c906_clockconfig.c
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CHIP_CSRCS += c906_idle.c c906_irq.c c906_irq_dispatch.c
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CHIP_CSRCS += c906_irq.c c906_irq_dispatch.c
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CHIP_CSRCS += c906_lowputc.c c906_serial.c
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CHIP_CSRCS += c906_start.c c906_timerisr.c
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@ -1,65 +0,0 @@
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/****************************************************************************
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* arch/risc-v/src/c906/c906_idle.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include <nuttx/arch.h>
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#include "riscv_internal.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_idle
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*
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* Description:
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* up_idle() is the logic that will be executed when their is no other
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* ready-to-run task. This is processor idle time and will continue until
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* some interrupt occurs to cause a context switch from the idle task.
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*
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* Processing in this state may be processor-specific. e.g., this is where
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* power management operations might be performed.
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*
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****************************************************************************/
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void up_idle(void)
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{
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#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
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/* If the system is idle and there are no timer interrupts, then process
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* "fake" timer interrupts. Hopefully, something will wake up.
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*/
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nxsched_process_timer();
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#else
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/* This would be an appropriate place to put some MCU-specific logic to
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* sleep in a reduced power mode until an interrupt occurs to save power
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*/
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asm("WFI");
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#endif
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}
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@ -33,6 +33,7 @@ CMN_CSRCS += riscv_interruptcontext.c riscv_modifyreg32.c riscv_puts.c riscv_mde
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CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c riscv_copyfullstate.c
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CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
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CMN_CSRCS += riscv_sigdeliver.c riscv_udelay.c riscv_unblocktask.c riscv_usestack.c
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CMN_CSRCS += riscv_idle.c
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ifeq ($(CONFIG_SCHED_BACKTRACE),y)
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CMN_CSRCS += riscv_backtrace.c
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@ -48,6 +49,6 @@ endif
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# Specify our C code within this directory to be included
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CHIP_CSRCS = fe310_allocateheap.c fe310_clockconfig.c fe310_gpio.c
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CHIP_CSRCS += fe310_idle.c fe310_irq.c fe310_irq_dispatch.c
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CHIP_CSRCS += fe310_irq.c fe310_irq_dispatch.c
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CHIP_CSRCS += fe310_lowputc.c fe310_serial.c
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CHIP_CSRCS += fe310_start.c fe310_timerisr.c
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@ -33,7 +33,7 @@ CMN_CSRCS += riscv_interruptcontext.c riscv_modifyreg32.c riscv_puts.c
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CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c
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CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
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CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
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CMN_CSRCS += riscv_mdelay.c riscv_copyfullstate.c
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CMN_CSRCS += riscv_mdelay.c riscv_copyfullstate.c riscv_idle.c
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ifeq ($(CONFIG_SMP), y)
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CMN_CSRCS += riscv_cpuindex.c riscv_cpupause.c riscv_cpustart.c
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@ -53,7 +53,7 @@ endif
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# Specify our C code within this directory to be included
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CHIP_CSRCS = k210_allocateheap.c k210_clockconfig.c
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CHIP_CSRCS += k210_idle.c k210_irq.c k210_irq_dispatch.c
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CHIP_CSRCS += k210_irq.c k210_irq_dispatch.c
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CHIP_CSRCS += k210_lowputc.c k210_serial.c k210_fpioa.c
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CHIP_CSRCS += k210_start.c k210_timerisr.c k210_gpiohs.c
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@ -1,65 +0,0 @@
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/****************************************************************************
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* arch/risc-v/src/k210/k210_idle.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include <nuttx/arch.h>
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#include "riscv_internal.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_idle
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*
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* Description:
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* up_idle() is the logic that will be executed when there is no other
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* ready-to-run task. This is processor idle time and will continue until
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* some interrupt occurs to cause a context switch from the idle task.
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*
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* Processing in this state may be processor-specific. e.g., this is where
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* power management operations might be performed.
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*
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****************************************************************************/
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void up_idle(void)
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{
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#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
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/* If the system is idle and there are no timer interrupts, then process
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* "fake" timer interrupts. Hopefully, something will wake up.
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*/
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nxsched_process_timer();
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#else
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/* This would be an appropriate place to put some MCU-specific logic to
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* sleep in a reduced power mode until an interrupt occurs to save power
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*/
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asm("WFI");
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#endif
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}
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@ -33,6 +33,7 @@ CMN_CSRCS += riscv_interruptcontext.c riscv_modifyreg32.c riscv_puts.c riscv_mde
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CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c riscv_copyfullstate.c
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CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
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CMN_CSRCS += riscv_sigdeliver.c riscv_udelay.c riscv_unblocktask.c riscv_usestack.c
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CMN_CSRCS += riscv_idle.c
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ifeq ($(CONFIG_SCHED_BACKTRACE),y)
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CMN_CSRCS += riscv_backtrace.c
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@ -48,6 +49,6 @@ endif
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# Specify our C code within this directory to be included
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CHIP_CSRCS = litex_allocateheap.c litex_clockconfig.c
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CHIP_CSRCS += litex_idle.c litex_irq.c litex_irq_dispatch.c
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CHIP_CSRCS += litex_irq.c litex_irq_dispatch.c
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CHIP_CSRCS += litex_lowputc.c litex_serial.c
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CHIP_CSRCS += litex_start.c litex_timerisr.c
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@ -1,67 +0,0 @@
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/****************************************************************************
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* arch/risc-v/src/litex/litex_idle.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
|
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* this work for additional information regarding copyright ownership. The
|
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
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* "License"); you may not use this file except in compliance with the
|
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
|
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
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* License for the specific language governing permissions and limitations
|
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* under the License.
|
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "riscv_internal.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_idle
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*
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* Description:
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* up_idle() is the logic that will be executed when there is no other
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* ready-to-run task. This is processor idle time and will continue until
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* some interrupt occurs to cause a context switch from the idle task.
|
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*
|
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* Processing in this state may be processor-specific. e.g., this is where
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* power management operations might be performed.
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*
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****************************************************************************/
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void up_idle(void)
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{
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#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
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/* If the system is idle and there are no timer interrupts, then process
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* "fake" timer interrupts. Hopefully, something will wake up.
|
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*/
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nxsched_process_timer();
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#else
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|
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/* This would be an appropriate place to put some MCU-specific logic to
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* sleep in a reduced power mode until an interrupt occurs to save power
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*/
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asm("WFI");
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#endif
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}
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@ -31,6 +31,7 @@ CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c
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CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
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CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
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CMN_CSRCS += riscv_mdelay.c riscv_udelay.c riscv_copyfullstate.c
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CMN_CSRCS += riscv_idle.c
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ifeq ($(CONFIG_SCHED_BACKTRACE),y)
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CMN_CSRCS += riscv_backtrace.c
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@ -50,7 +51,7 @@ endif
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# Specify our C code within this directory to be included
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CHIP_CSRCS = mpfs_allocateheap.c mpfs_clockconfig.c
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CHIP_CSRCS += mpfs_idle.c mpfs_irq.c mpfs_irq_dispatch.c
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CHIP_CSRCS += mpfs_irq.c mpfs_irq_dispatch.c
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CHIP_CSRCS += mpfs_lowputc.c mpfs_serial.c
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CHIP_CSRCS += mpfs_start.c mpfs_timerisr.c
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CHIP_CSRCS += mpfs_gpio.c mpfs_systemreset.c
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@ -1,65 +0,0 @@
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/****************************************************************************
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* arch/risc-v/src/mpfs/mpfs_idle.c
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*
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* 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
|
||||
*
|
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* http://www.apache.org/licenses/LICENSE-2.0
|
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*
|
||||
* 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.
|
||||
*
|
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****************************************************************************/
|
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|
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/****************************************************************************
|
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* Included Files
|
||||
****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include <nuttx/arch.h>
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#include "riscv_internal.h"
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/****************************************************************************
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* Public Functions
|
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****************************************************************************/
|
||||
|
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/****************************************************************************
|
||||
* Name: up_idle
|
||||
*
|
||||
* Description:
|
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* up_idle() is the logic that will be executed when their is no other
|
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* ready-to-run task. This is processor idle time and will continue until
|
||||
* some interrupt occurs to cause a context switch from the idle task.
|
||||
*
|
||||
* Processing in this state may be processor-specific. e.g., this is where
|
||||
* power management operations might be performed.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_idle(void)
|
||||
{
|
||||
#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
|
||||
/* If the system is idle and there are no timer interrupts, then process
|
||||
* "fake" timer interrupts. Hopefully, something will wake up.
|
||||
*/
|
||||
|
||||
nxsched_process_timer();
|
||||
#else
|
||||
|
||||
/* This would be an appropriate place to put some MCU-specific logic to
|
||||
* sleep in a reduced power mode until an interrupt occurs to save power
|
||||
*/
|
||||
|
||||
asm("WFI");
|
||||
|
||||
#endif
|
||||
}
|
||||
|
|
@ -33,6 +33,7 @@ CMN_CSRCS += riscv_interruptcontext.c riscv_modifyreg32.c riscv_puts.c
|
|||
CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c riscv_copyfullstate.c
|
||||
CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
|
||||
CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
|
||||
CMN_CSRCS += riscv_idle.c
|
||||
|
||||
ifeq ($(CONFIG_SCHED_BACKTRACE),y)
|
||||
CMN_CSRCS += riscv_backtrace.c
|
||||
|
|
@ -60,4 +61,4 @@ endif
|
|||
|
||||
# Specify our C code within this directory to be included
|
||||
CHIP_CSRCS = qemu_rv_start.c qemu_rv_irq_dispatch.c qemu_rv_irq.c
|
||||
CHIP_CSRCS += qemu_rv_idle.c qemu_rv_timerisr.c
|
||||
CHIP_CSRCS += qemu_rv_timerisr.c
|
||||
|
|
|
|||
|
|
@ -1,69 +0,0 @@
|
|||
/****************************************************************************
|
||||
* arch/risc-v/src/qemu-rv/qemu_rv_idle.c
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <nuttx/irq.h>
|
||||
#include <nuttx/arch.h>
|
||||
#include <nuttx/board.h>
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "riscv_internal.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_idle
|
||||
*
|
||||
* Description:
|
||||
* up_idle() is the logic that will be executed when there is no other
|
||||
* ready-to-run task. This is processor idle time and will continue until
|
||||
* some interrupt occurs to cause a context switch from the idle task.
|
||||
*
|
||||
* Processing in this state may be processor-specific. e.g., this is where
|
||||
* power management operations might be performed.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_idle(void)
|
||||
{
|
||||
#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
|
||||
/* If the system is idle and there are no timer interrupts, then process
|
||||
* "fake" timer interrupts. Hopefully, something will wake up.
|
||||
*/
|
||||
|
||||
nxsched_process_timer();
|
||||
#else
|
||||
|
||||
board_autoled_off(LED_CPU);
|
||||
|
||||
/* This would be an appropriate place to put some MCU-specific logic to
|
||||
* sleep in a reduced power mode until an interrupt occurs to save power
|
||||
*/
|
||||
|
||||
asm("WFI");
|
||||
|
||||
#endif
|
||||
}
|
||||
|
|
@ -33,6 +33,7 @@ CMN_CSRCS += riscv_interruptcontext.c riscv_modifyreg32.c riscv_puts.c
|
|||
CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c riscv_copyfullstate.c
|
||||
CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
|
||||
CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
|
||||
CMN_CSRCS += riscv_idle.c
|
||||
|
||||
ifeq ($(CONFIG_SCHED_BACKTRACE),y)
|
||||
CMN_CSRCS += riscv_backtrace.c
|
||||
|
|
@ -48,7 +49,7 @@ endif
|
|||
|
||||
# Specify our C code within this directory to be included
|
||||
CHIP_CSRCS = rv32m1_allocateheap.c rv32m1_clockconfig.c rv32m1_gpio.c
|
||||
CHIP_CSRCS += rv32m1_idle.c rv32m1_irq.c rv32m1_irq_dispatch.c
|
||||
CHIP_CSRCS += rv32m1_irq.c rv32m1_irq_dispatch.c
|
||||
CHIP_CSRCS += rv32m1_lowputc.c rv32m1_serial.c
|
||||
CHIP_CSRCS += rv32m1_start.c rv32m1_timerisr.c
|
||||
CHIP_CSRCS += rv32m1_pcc.c
|
||||
|
|
|
|||
|
|
@ -1,69 +0,0 @@
|
|||
/****************************************************************************
|
||||
* arch/risc-v/src/rv32m1/rv32m1_idle.c
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <nuttx/irq.h>
|
||||
#include <nuttx/arch.h>
|
||||
#include <nuttx/board.h>
|
||||
#include <arch/board/board.h>
|
||||
|
||||
#include "riscv_internal.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_idle
|
||||
*
|
||||
* Description:
|
||||
* up_idle() is the logic that will be executed when there is no other
|
||||
* ready-to-run task. This is processor idle time and will continue until
|
||||
* some interrupt occurs to cause a context switch from the idle task.
|
||||
*
|
||||
* Processing in this state may be processor-specific. e.g., this is where
|
||||
* power management operations might be performed.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_idle(void)
|
||||
{
|
||||
#if defined(CONFIG_SUPPRESS_INTERRUPTS) || defined(CONFIG_SUPPRESS_TIMER_INTS)
|
||||
/* If the system is idle and there are no timer interrupts, then process
|
||||
* "fake" timer interrupts. Hopefully, something will wake up.
|
||||
*/
|
||||
|
||||
nxsched_process_timer();
|
||||
#else
|
||||
|
||||
board_autoled_off(LED_CPU);
|
||||
|
||||
/* This would be an appropriate place to put some MCU-specific logic to
|
||||
* sleep in a reduced power mode until an interrupt occurs to save power
|
||||
*/
|
||||
|
||||
asm("WFI");
|
||||
|
||||
#endif
|
||||
}
|
||||
Loading…
Reference in a new issue