mirror of https://github.com/rusefi/ChibiOS.git
85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <ch.h>
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/**
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* This function implements the idle thread infinite loop. The function should
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* put the processor in the lowest power mode capable to serve interrupts.
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* The priority is internally set to the minimum system value so that this
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* thread is executed only if there are no other ready threads in the system.
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*/
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void _IdleThread(void *p) {
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while (TRUE)
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;
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}
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/**
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* Abonormal system termination handler. Invoked by the ChibiOS/RT when an
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* abnormal unrecoverable condition is met.
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*/
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void chSysHalt(void) {
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chSysLock();
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while (TRUE)
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;
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}
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/**
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* Context switch.
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*/
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void chSysSwitchI(Thread *otp, Thread *ntp) {
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register struct intctx *sp asm("r1");
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asm volatile ("push r11 \n\t" \
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"push r10 \n\t" \
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"push r9 \n\t" \
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"push r8 \n\t" \
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"push r7 \n\t" \
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"push r6 \n\t" \
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"push r6 \n\t" \
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"push r4");
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otp->p_ctx.sp = sp;
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sp = ntp->p_ctx.sp;
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asm volatile ("pop r4 \n\t" \
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"pop r5 \n\t" \
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"pop r6 \n\t" \
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"pop r7 \n\t" \
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"pop r8 \n\t" \
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"pop r9 \n\t" \
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"pop r10 \n\t" \
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"pop r11" : : "r" (sp));
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}
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/**
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* Prints a message on the system console (if any).
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*/
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void chSysPuts(char *msg) {
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}
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void threadstart(void) {
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asm volatile ("eint \n\t" \
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"mov r11, r15 \n\t" \
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"call r10 \n\t" \
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"call #chThdExit");
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}
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