z16f common directory

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@550 42af7a65-404d-4744-a932-0658087f49c3

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
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+/****************************************************************************
+ * 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 */