Add Z8Encore\!
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@667 42af7a65-404d-4744-a932-0658087f49c3
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77
arch/z80/include/z8/arch.h
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77
arch/z80/include/z8/arch.h
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/****************************************************************************
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* arch/z8/arch.h
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* arch/chip/arch.h
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* This file should never be included directed but, rather,
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* only indirectly through nuttx/arch.h (via arch/arch.h)
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*/
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#ifndef __ARCH_Z8_ARCH_H
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#define __ARCH_Z8_ARCH_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ARCH_Z8_ARCH_H */
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148
arch/z80/include/z8/irq.h
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148
arch/z80/include/z8/irq.h
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/****************************************************************************
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* arch/z8/irq.h
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* arch/chip/irq.h
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* This file should never be included directed but, rather,
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* only indirectly through nuttx/irq.h (via arch/irq.h)
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*/
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#ifndef __ARCH_Z8_IRQ_H
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#define __ARCH_Z8_IRQ_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* Z80 Interrupts */
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#define Z80_RST0 (0)
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#define Z80_RST1 (1)
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#define Z80_RST2 (2)
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#define Z80_RST3 (3)
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#define Z80_RST4 (4)
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#define Z80_RST5 (5)
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#define Z80_RST6 (6)
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#define Z80_RST7 (7)
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#define Z80_IRQ_SYSTIMER Z80_RST7
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#define NR_IRQS (8)
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/* IRQ Stack Frame Format
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*
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* This stack frame is created on each interrupt. These registers are stored
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* in the TCB to many context switches.
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*/
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#define XCPT_I (0) /* Offset 0: Saved I w/interrupt state in carry */
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#define XCPT_BC (1) /* Offset 1: Saved BC register */
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#define XCPT_DE (2) /* Offset 2: Saved DE register */
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#define XCPT_IX (3) /* Offset 3: Saved IX register */
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#define XCPT_IY (4) /* Offset 4: Saved IY register */
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#define XCPT_SP (5) /* Offset 5: Offset to SP at time of interrupt */
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#define XCPT_HL (6) /* Offset 6: Saved HL register */
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#define XCPT_AF (7) /* Offset 7: Saved AF register */
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#define XCPT_PC (8) /* Offset 8: Offset to PC at time of interrupt */
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#define XCPTCONTEXT_REGS (9)
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#define XCPTCONTEXT_SIZE (2 * XCPTCONTEXT_REGS)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/* This is the the type of the register save array */
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typedef uint16 chipreg_t;
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/* This struct defines the way the registers are stored. */
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struct xcptcontext
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{
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/* Register save area */
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uint16 regs[XCPTCONTEXT_REGS];
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/* The following function pointer is non-zero if there
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* are pending signals to be processed.
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*/
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#ifndef CONFIG_DISABLE_SIGNALS
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void *sigdeliver; /* Actual type is sig_deliver_t */
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/* The following retains that state during signal execution */
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uint16 saved_pc; /* Saved return address */
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uint16 saved_i; /* Saved interrupt state */
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#endif
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};
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#endif
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/****************************************************************************
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* Inline functions
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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EXTERN irqstate_t irqsave(void) __naked;
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EXTERN void irqrestore(irqstate_t flags) __naked;
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* __ARCH_Z8_IRQ_H */
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49
arch/z80/src/z8/Make.defs
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49
arch/z80/src/z8/Make.defs
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############################################################################
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# arch/z80/src/z8/Make.defs
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#
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# Copyright (C) 2008 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
|
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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HEAD_ASRC = z8_head.asm
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CMN_ASRCS =
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CMN_CSRCS = up_initialize.c up_allocateheap.c up_initialstate.c \
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up_createstack.c up_releasestack.c up_interruptcontext.c \
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up_blocktask.c up_unblocktask.c up_exit.c up_releasepending.c \
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up_reprioritizertr.c up_copystate.c up_irq.c up_idle.c \
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up_assert.c up_mdelay.c up_udelay.c \
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up_schedulesigaction.c up_sigdeliver.c \
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up_registerdump.c up_usestack.c
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CHIP_ASRCS = z8_saveusercontext.asm z8_restoreusercontext.asm
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CHIP_CSRCS =
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