/**************************************************************************** * arch/sh/src/common/up_internal.h * * Copyright (C) 2008-2009, 2012-2013 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 ___ARCH_SH_SRC_COMMON_UP_INTERNAL_H #define ___ARCH_SH_SRC_COMMON_UP_INTERNAL_H /**************************************************************************** * Included Files ****************************************************************************/ #include #ifndef __ASSEMBLY__ # include # include #endif /**************************************************************************** * 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_SCI_CONFIG /* DEFINED: Do not reconfig SCI */ #undef CONFIG_DUMP_ON_EXIT /* DEFINED: Dump task state on exit */ /* Determine which (if any) console driver to use. NOTE that the naming * implies that the console is a serial driver. That is usually the case, * however, if no UARTs are enabled, the console could als be provided * through some other device, such as an LCD. Architecture-specific logic * will have to detect that case. * * If a console is enabled and no other console device is specified, then * a serial console is assumed. */ #if !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0 # undef USE_SERIALDRIVER # undef USE_EARLYSERIALINIT # undef CONFIG_DEV_LOWCONSOLE # undef CONFIG_RAMLOG_CONSOLE #else # if defined(CONFIG_RAMLOG_CONSOLE) # undef USE_SERIALDRIVER # undef USE_EARLYSERIALINIT # undef CONFIG_DEV_LOWCONSOLE # elif defined(CONFIG_DEV_LOWCONSOLE) # undef USE_SERIALDRIVER # undef USE_EARLYSERIALINIT # else # define USE_SERIALDRIVER 1 # define USE_EARLYSERIALINIT 1 # endif #endif /* If some other device is used as the console, then the serial driver may * still be needed. Let's assume that if the upper half serial driver is * built, then the lower half will also be needed. There is no need for * the early serial initialization in this case. */ #if !defined(USE_SERIALDRIVER) && defined(CONFIG_STANDARD_SERIAL) # define USE_SERIALDRIVER 1 #endif /* Determine which device to use as the system logging device */ #ifndef CONFIG_SYSLOG # undef CONFIG_SYSLOG_CHAR # undef CONFIG_RAMLOG_SYSLOG #endif /* Check if an interrupt stack size is configured */ #ifndef CONFIG_ARCH_INTERRUPTSTACK # define CONFIG_ARCH_INTERRUPTSTACK 0 #endif /**************************************************************************** * Public Types ****************************************************************************/ #ifndef __ASSEMBLY__ typedef void (*up_vector_t)(void); #endif /**************************************************************************** * Public Variables ****************************************************************************/ #ifndef __ASSEMBLY__ /* This holds a references to the current interrupt level * register storage structure. If is non-NULL only during * interrupt processing. */ extern volatile uint32_t *current_regs; /* This is the beginning of heap as provided from up_head.S. * This is the first address in DRAM after the loaded * program+bss+idle stack. The end of the heap is * CONFIG_RAM_END */ extern uint32_t g_idle_topstack; #endif /**************************************************************************** * Inline Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ #ifndef __ASSEMBLY__ /* Defined in files with the same name as the function */ extern void up_boot(void); extern void up_copystate(uint32_t *dest, uint32_t *src); extern void up_dataabort(uint32_t *regs); extern void up_decodeirq(uint32_t *regs); extern uint32_t *up_doirq(int irq, uint32_t *regs); extern void up_fullcontextrestore(uint32_t *regs) noreturn_function; extern void up_irqinitialize(void); extern void up_prefetchabort(uint32_t *regs); extern int up_saveusercontext(uint32_t *regs); extern void up_sigdeliver(void); extern void up_syscall(uint32_t *regs); extern int up_timerisr(int irq, uint32_t *regs); extern void up_undefinedinsn(uint32_t *regs); extern void up_lowputc(char ch); extern void up_puts(const char *str); extern void up_lowputs(const char *str); /* Defined in up_vectors.S */ extern void up_vectorundefinsn(void); extern void up_vectorswi(void); extern void up_vectorprefetch(void); extern void up_vectordata(void); extern void up_vectoraddrexcptn(void); extern void up_vectorirq(void); extern void up_vectorfiq(void); /* Defined in up_serial.c */ #if CONFIG_NFILE_DESCRIPTORS > 0 extern void up_earlyconsoleinit(void); extern void up_consoleinit(void); #else # define up_earlyconsoleinit() # define up_consoleinit() #endif /* Defined in drivers/lowconsole.c */ #ifdef CONFIG_DEV_LOWCONSOLE extern void lowconsole_init(void); #else # define lowconsole_init() #endif /* Defined in up_watchdog.c */ extern void up_wdtinit(void); /* Defined in up_timerisr.c */ extern void up_timer_initialize(void); /* Defined in board/up_lcd.c */ #ifdef CONFIG_LCD_CONSOLE extern void up_lcdinit(void); extern void up_lcdputc(char ch); #else # define up_lcdinit() # define up_lcdputc(ch) #endif /* Defined in board/up_network.c */ #ifdef CONFIG_NET extern void up_netinitialize(void); #else # define up_netinitialize() #endif /* USB */ #ifdef CONFIG_USBDEV extern void up_usbinitialize(void); extern void up_usbuninitialize(void); #else # define up_usbinitialize() # define up_usbuninitialize() #endif /* Defined in chip-specific logic */ #ifdef CONFIG_ARCH_STACKDUMP extern void up_dumpstate(void); #else # define up_dumpstate() #endif #endif /* __ASSEMBLY__ */ #endif /* ___ARCH_SH_SRC_COMMON_UP_INTERNAL_H */