diff options
Diffstat (limited to 'nuttx/arch')
-rw-r--r-- | nuttx/arch/z16/src/common/up_internal.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/nuttx/arch/z16/src/common/up_internal.h b/nuttx/arch/z16/src/common/up_internal.h new file mode 100644 index 000000000..8d4ad35ba --- /dev/null +++ b/nuttx/arch/z16/src/common/up_internal.h @@ -0,0 +1,174 @@ +/**************************************************************************** + * common/up_internal.h + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 <arch/irq.h> +#include <chip/chip.h> + +/**************************************************************************** + * 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 /* Do not enable interrupts */ +#undef CONFIG_SUPPRESS_TIMER_INTS /* No timer */ +#undef CONFIG_SUPPRESS_SERIAL_INTS /* Console will poll */ +#undef CONFIG_SUPPRESS_UART_CONFIG /* Do not reconfig UART */ +#undef CONFIG_DUMP_ON_EXIT /* Dump task state on exit */ + +/* Macros for portability */ + +#define IN_INTERRUPT (current_regs != NULL) +#define SAVE_IRQCONTEXT(tcb) up_copystate((tcb)->xcp.regs, current_regs) +#define SET_IRQCONTEXT(tcb) up_copystate(current_regs, (tcb)->xcp.regs) +#define SAVE_USERCONTEXT(tcb) up_saveusercontext((tcb)->xcp.regs) +#define RESTORE_USERCONTEXT(tcb) up_restoreusercontext((tcb)->xcp.regs) +#define SIGNAL_RETURN(regs) up_restoreusercontext(regs) + +/**************************************************************************** + * 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 uint32 *current_regs; +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/* Defined in files with the same name as the function */ + +extern void up_copystate(FAR uint32 *dest, FAR uint32 *src); +extern void up_decodeirq(FAR uint32 *regs); +extern void up_doirq(int irq, FAR uint32 *regs); +extern void up_fullcontextrestore(FAR uint32 *regs); +extern void up_irqinitialize(void); +extern int up_saveusercontext(FAR uint32 *regs); +extern void up_sigdeliver(void); +extern int up_timerisr(int irq, FAR uint32 *regs); + +#if defined(CONFIG_ARCH_LOWPUTC) || defined(CONFIG_ARCH_LOWGETC) +extern void up_lowputc(char ch); +#else +# define up_lowputc(ch) +#endif + +/* Defined in up_allocateheap.c */ + +#if CONFIG_MM_REGIONS > 1 +void up_addregion(void); +#endif + +/* Defined in up_serial.c */ + +#if CONFIG_NFILE_DESCRIPTORS > 0 +extern void up_earlyserialinit(void); +extern void up_serialinit(void); +#else +# define up_earlyserialinit() +# define up_serialinit() +#endif + +/* Defined in up_timerisr.c */ + +extern void up_timerinit(void); + +/* Defined in up_irq.c */ + +extern void up_maskack_irq(int irq); + +/* Defined in board/up_leds.c */ + +#ifdef CONFIG_ARCH_LEDS +extern void up_ledinit(void); +extern void up_ledon(int led); +extern void up_ledoff(int led); +#else +# define up_ledinit() +# define up_ledon(led) +# define up_ledoff(led) +#endif + +/* Defined in board/up_network.c */ + +#ifdef CONFIG_NET +extern void up_netinitialize(void); +#else +# define up_netinitialize() +#endif + +/* Return the current value of the stack pointer (used in stack dump logic) */ + +extern uint32 up_getsp(void); + +/* Dump stack and registers */ + +#ifdef CONFIG_ARCH_STACKDUMP +extern void up_stackdump(void); +extern void up_registerdump(void); +#else +# define up_stackdump() +# define up_registerdump() +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __UP_INTERNAL_H */ |