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/* Copyright (c) 2006 Dmitry Xmelkov
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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 are met:
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* 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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* 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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* Neither the name of the copyright holders nor the names of
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN 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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/* $Id: asmdef.h,v 1.1.2.1 2008/12/06 03:28:42 dmix Exp $ */
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/* Macro REGNO set the symbol name 'name' to integer which is a 'reg'
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number (0..31). If 'reg' is not a valid register, compilation error.
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Valid regs are: r0..r31, R0..R31 and 0..31
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.macro REGNO name, reg
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.irp sym, r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, \
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r10,r11,r12,r13,r14,r15,r16,r17,r18,r19, \
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r20,r21,r22,r23,r24,r25,r26,r27,r28,r29, \
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.L__regno = .L__regno + 1
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.irp sym, R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, \
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R10,R11,R12,R13,R14,R15,R16,R17,R18,R19, \
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R20,R21,R22,R23,R24,R25,R26,R27,R28,R29, \
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.L__regno = .L__regno + 1
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.if \reg == .L__regno
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.L__regno = .L__regno + 1
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.err ; Invalid dst arg of 'X_lpm' macro.
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/* Macro 'X_movw' extends enhanced movw instruction for classic chips.
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.macro X_movw dst,src
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#if defined(__AVR_HAVE_MOVW__) && __AVR_HAVE_MOVW__
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.irp reg, r0, r2, r4, r6, r8, \
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r10,r12,r14,r16,r18, \
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r20,r22,r24,r26,r28,r30
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.L_movw_dst = .L_movw_n
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.L_movw_src = .L_movw_n
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.L_movw_n = .L_movw_n + 2
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.L_movw_dst = .L_movw_n
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.L_movw_n = .L_movw_n + 2
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.L_movw_src = .L_movw_n
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.L_movw_n = .L_movw_n + 2
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.if (.L_movw_dst < 0) || (.L_movw_src < 0)
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.err "Invalid arg of the X_movw macro."
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mov .L_movw_dst + 1, .L_movw_src + 1
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REGNO .L__movw_dst, \dst
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.err ; Invalid dst arg in X_movw macro.
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REGNO .L__movw_src, \src
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.err ; Invalid src arg in X_movw macro.
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mov .L__movw_dst, .L__movw_src
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mov .L__movw_dst + 1, .L__movw_src + 1
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/* Macro 'X_lpm' extends enhanced lpm instruction for classic chips.
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.macro X_lpm dst=r0, src=Z
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/* dst evaluation */
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.irp reg, r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, \
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r10,r11,r12,r13,r14,r15,r16,r17,r18,r19, \
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r20,r21,r22,r23,r24,r25,r26,r27,r28,r29, \
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.L_lpm_dst = .L_lpm_n
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.L_lpm_n = .L_lpm_n + 1
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.irp reg, R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, \
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R10,R11,R12,R13,R14,R15,R16,R17,R18,R19, \
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R20,R21,R22,R23,R24,R25,R26,R27,R28,R29, \
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.L_lpm_dst = .L_lpm_n
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.L_lpm_n = .L_lpm_n + 1
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.L_lpm_dst = .L_lpm_n
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.L_lpm_n = .L_lpm_n + 1
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.err "Invalid dst arg of 'X_lpm' macro."
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REGNO .L__lpm_dst, \dst
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.exitm ; do not multiply errors
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/* src evaluation */
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.irp reg, z,Z,z+,Z+
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.L_lpm_src = .L_lpm_n
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.L__lpm_src = .L__lpm_n
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.L_lpm_n = .L_lpm_n + 1
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.L__lpm_n = .L__lpm_n + 1
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.err "Invalid src arg of 'X_lpm' macro."
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.if (.L__lpm_src < 0)
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.err ; Invalid src arg of 'X_lpm' macro.
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/* instruction(s) */
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#if defined(__AVR_HAVE_LPMX__) && __AVR_HAVE_LPMX__
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.if (.L_lpm_dst >= 30)
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.err "Registers 30 and 31 are inhibited as 'X_lpm *,Z+' dst."
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.if (.L__lpm_dst >= 30)
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.err ; Registers 30 and 31 are inhibited as 'X_lpm *,Z+' dst.
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#if defined(__AVR_HAVE_LPMX__) && __AVR_HAVE_LPMX__
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#endif /* !_ASMDEF_H */
added
removed
libm/fplib/asmdef.h
