/**************************************************************************** * arch/avr/src/common/up_internal.h * * Copyright (C) 2010-2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef __UP_INTERNAL_H #define __UP_INTERNAL_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif #ifdef CONFIG_ARCH_FAMILY_AVR32 # include "avr32_internal.h" #else # include "avr_internal.h" #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Bring-up debug configurations. These are here (vs defconfig) * because these should only be controlled during low level * board bring-up and not part of normal platform configuration. */ #undef CONFIG_SUPPRESS_INTERRUPTS /* DEFINED: Do not enable interrupts */ #undef CONFIG_SUPPRESS_TIMER_INTS /* DEFINED: No timer */ #undef CONFIG_SUPPRESS_SERIAL_INTS /* DEFINED: Console will poll */ #undef CONFIG_SUPPRESS_UART_CONFIG /* DEFINED: Do not reconfig UART */ #undef CONFIG_DUMP_ON_EXIT /* DEFINED: Dump task state on exit */ /* Check if an interrupt stack size is configured */ #ifndef CONFIG_ARCH_INTERRUPTSTACK # define CONFIG_ARCH_INTERRUPTSTACK 0 #endif /* This is the value used to mark the stack for subsequent stack monitoring * logic. */ #define STACK_COLOR 's' #define INTSTACK_COLOR 's' #define HEAP_COLOR 'h' /**************************************************************************** * Public Types ****************************************************************************/ #ifndef __ASSEMBLY__ typedef void (*up_vector_t)(void); #endif /**************************************************************************** * Public Variables ****************************************************************************/ #ifndef __ASSEMBLY__ /* Address of the saved user stack pointer */ #if CONFIG_ARCH_INTERRUPTSTACK > 3 extern void g_intstackbase; #endif /* These 'addresses' of these values are setup by the linker script. They are * not actual uint32_t storage locations! They are only used meaningfully in the * following way: * * - The linker script defines, for example, the symbol_sdata. * - The declareion extern uint32_t _sdata; makes C happy. C will believe * that the value _sdata is the address of a uint32_t variable _data (it is * not!). * - We can recoved the linker value then by simply taking the address of * of _data. like: uint32_t *pdata = &_sdata; */ extern uint32_t _stext; /* Start of .text */ extern uint32_t _etext; /* End_1 of .text + .rodata */ extern const uint32_t _eronly; /* End+1 of read only section (.text + .rodata) */ extern uint32_t _sdata; /* Start of .data */ extern uint32_t _edata; /* End+1 of .data */ extern uint32_t _sbss; /* Start of .bss */ extern uint32_t _ebss; /* End+1 of .bss */ #endif /* __ASSEMBLY__ */ /**************************************************************************** * Inline Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ #ifndef __ASSEMBLY__ /* Defined in files with the same name as the function */ void up_boot(void); void up_irqinitialize(void); #ifdef CONFIG_ARCH_DMA void weak_function up_dmainitialize(void); #endif void up_sigdeliver(void); int up_timerisr(int irq, uint32_t *regs); void up_lowputc(char ch); void up_puts(const char *str); void up_lowputs(const char *str); void up_dumpstate(void); /* Defined in common/up_allocateheap.c or chip/xxx_allocateheap.c */ #if CONFIG_MM_REGIONS > 1 void up_addregion(void); #else # define up_addregion() #endif /* Defined in chip/xxx_lowinit.c. This function is called from the * head.S file just before jumping to os_start(). This function * performs whatever very low level initialization that is needed * before the OS gets started (clocks, console, LEDs, etc.) */ void up_lowinit(void); /* Defined in chip/xxx_serial.c */ #if CONFIG_NFILE_DESCRIPTORS > 0 void up_earlyserialinit(void); void up_serialinit(void); #else # define up_earlyserialinit() # define up_serialinit() #endif /* Defined in drivers/lowconsole.c */ #ifdef CONFIG_DEV_LOWCONSOLE void lowconsole_init(void); #else # define lowconsole_init() #endif /* Defined in chip/xxx_timerisr.c */ extern void up_timer_initialize(void); /* Defined in chip/xxx_ethernet.c */ #ifdef CONFIG_NET void up_netinitialize(void); #else # define up_netinitialize() #endif /* Defined in chip/xxx_usbdev.c */ #ifdef CONFIG_USBDEV void up_usbinitialize(void); void up_usbuninitialize(void); #else # define up_usbinitialize() # define up_usbuninitialize() #endif #endif /* __ASSEMBLY__ */ #endif /* __UP_INTERNAL_H */