/* * File : rthw.h * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Change Logs: * Date Author Notes * 2006-03-18 Bernard the first version * 2006-04-25 Bernard add rt_hw_context_switch_interrupt declaration * 2006-09-24 Bernard add rt_hw_context_switch_to declaration * 2012-12-29 Bernard add rt_hw_exception_install declaration */ #ifndef __RT_HW_H__ #define __RT_HW_H__ #include #ifdef __cplusplus extern "C" { #endif /* * CPU interfaces */ void rt_hw_cpu_icache_enable(void); void rt_hw_cpu_icache_disable(void); rt_base_t rt_hw_cpu_icache_status(void); void rt_hw_cpu_dcache_enable(void); void rt_hw_cpu_dcache_disable(void); rt_base_t rt_hw_cpu_dcache_status(void); void rt_hw_cpu_reset(void); void rt_hw_cpu_shutdown(void); rt_uint8_t *rt_hw_stack_init(void *entry, void *parameter, rt_uint8_t *stack_addr, void *exit); /* * Interrupt handler definition */ typedef void (*rt_isr_handler_t)(int vector, void *param); struct rt_irq_desc { rt_isr_handler_t handler; void *param; #ifdef RT_USING_INTERRUPT_INFO char name[RT_NAME_MAX]; rt_uint32_t counter; #endif }; /* * Interrupt interfaces */ void rt_hw_interrupt_init(void); void rt_hw_interrupt_mask(int vector); void rt_hw_interrupt_umask(int vector); rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, void *param, char *name); rt_base_t rt_hw_interrupt_disable(void); void rt_hw_interrupt_enable(rt_base_t level); /* * Context interfaces */ void rt_hw_context_switch(rt_uint32_t from, rt_uint32_t to); void rt_hw_context_switch_to(rt_uint32_t to); void rt_hw_context_switch_interrupt(rt_uint32_t from, rt_uint32_t to); void rt_hw_console_output(const char *str); void rt_hw_backtrace(rt_uint32_t *fp, rt_uint32_t thread_entry); void rt_hw_show_memory(rt_uint32_t addr, rt_uint32_t size); /* * Exception interfaces */ void rt_hw_exception_install(rt_err_t (*exception_handle)(void* context)); #ifdef __cplusplus } #endif #endif