221 lines
6.1 KiB
C
221 lines
6.1 KiB
C
/***********************************************************************
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Copyright (c) 2006-2012, Skype Limited. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, (subject to the limitations in the disclaimer below)
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are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice,
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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 the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Skype Limited, nor the names of specific
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contributors, may be used to endorse or promote products derived from
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this software without specific prior written permission.
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NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
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BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS 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, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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/* SKP_Silk_AsmPreProc.h
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*
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* General header for all ARM asms uses SigProcLib.
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* It contains C preprocessor part and asm preprocessor part.
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* C preprocessor part:
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* * Interfacing makefile, arch, fpu and neon support
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* * Interfacing different symbol styles and asm directives.
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* * Interfacing compiling time standard output
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* ASM preprocessor part:
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* * Defining general asm header/footer for stack/return value
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* * Allocating stack for local variables and nasted function
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* * Defining simple syntax checking and debugging routines
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*/
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/*
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* C preprocessor part
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*/
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#ifndef _SKP_ASM_PREPROC_H_
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#define _SKP_ASM_PREPROC_H_
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#include "SKP_Silk_AsmHelper.h"
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/* Checking compilier __ARMEL__ defines */
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#if !__ARMEL__ && (!defined(NO_ASM)) && (!defined(_WINRT))
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#error Currently SKP_Silk_AsmPreProc only supports little endian.
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// above line can be replaced by
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// #warning __ARMEL__=0
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// #define NOASM
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#endif
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/* Defining macro for different user label prefix. */
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#ifndef __USER_LABEL_PREFIX__
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#define __USER_LABEL_PREFIX__
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#endif
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#define CONCAT1(a, b) CONCAT2(a, b)
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#define CONCAT2(a, b) a ## b
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#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
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/* Remapping register for iphone. */
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#ifdef IPHONE
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# define _fp r7
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# define _r7 r11
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#else
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# define _fp fp
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# define _r7 r7
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#endif
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/* Checking compiler __ARM_EABI__ defines */
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#if __ARMEB__
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#define NO_ASM //remove asm optimization for ARM big endian.
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#else
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#define ARM_LITTLE_ENDIAN
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#endif
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/* Interfacing some asm directives to macros*/
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#define GBL .globl
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/* Legacy definition wrapper */
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#ifndef NO_ASM
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#if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) || defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__)
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#define EMBEDDED_ARM 4
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#define EMBEDDED_ARMv4
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#elif defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__)
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#define EMBEDDED_ARM 5
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#define EMBEDDED_ARMv5
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#elif defined (__ARM_ARCH_6__) ||defined (__ARM_ARCH_6J__) || defined (__ARM_ARCH_6Z__) || defined (__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__)
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#define EMBEDDED_ARM 6
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#define EMBEDDED_ARMv6
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#elif defined (__ARM_ARCH_7A__) && defined (__ARM_NEON__)
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#define EMBEDDED_ARM 7
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#define EMBEDDED_ARMv6
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#elif defined (__ARM_ARCH_7A__)
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#define EMBEDDED_ARM 6
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#define EMBEDDED_ARMv6
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#else
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#define EMBEDDED_ARM 0
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#endif
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#endif
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#ifdef _WINRT
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#define L(a) a
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#define LR(a,d) %##d##a
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#define TABLE(L, symbol) symbol
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#else
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#define L(a) a:
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#define LR(a,d) a##d
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#define DCD .long
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#define DCW .short
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#define TABLE(L, symbol) L
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#endif
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#ifdef _WINRT
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#define streqh strheq
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#define strneh strhne
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#define strgth strhgt
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#define strlth strhlt
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#define ldrgtsh ldrshgt
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#define ldmgtia ldmiagt
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#define ldmgtdb ldmdbgt
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#define ldrneh ldrhne
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#define ldmltia ldmialt
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#endif
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/*
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* ASM preprocessor part:
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*/
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#ifdef _WINRT
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#else
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// AT&T Format
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#if EMBEDDED_ARM >= 7
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.set _ARCH, 7
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#elif EMBEDDED_ARM >= 6
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.set _ARCH, 6
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#elif EMBEDDED_ARM >= 5 // Should be re-considerred as ARMv5 != ARMv5E
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.set _ARCH, 5
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#elif EMBEDDED_ARM >= 4
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.set _ARCH, 4
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#else
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.set _ARCH, 0
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#endif
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#if NEON
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.set _NEON, 1
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#else
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.set _NEON, 0
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#endif
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MACRO SKP_TABLE ARG0_in, ARG1_in
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SYM(ARG0):
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END_MACRO
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MACRO SKP_SMLAD ARG0_in, ARG1_in, ARG2_in, ARG3_in
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#if EMBEDDED_ARM>=6
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smlad ARG0, ARG1, ARG2, ARG3
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#elif EMBEDDED_ARM>=5
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smlabb ARG0, ARG1, ARG2, ARG3
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smlatt ARG0, ARG1, ARG2, ARG0
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#else
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.abort "SKP_SMUAD can't be used for armv4 or lower device.."
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#endif
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END_MACRO
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MACRO SKP_SMUAD ARG0_in, ARG1_in, ARG2_in
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#if EMBEDDED_ARM>=6
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smuad ARG0, ARG1, ARG2
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#elif EMBEDDED_ARM>=5
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smulbb ARG0, ARG1, ARG2
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smlatt ARG0, ARG1, ARG2, ARG0
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#else
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.abort "SKP_SMUAD can't be used for armv4 or lower device.."
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#endif
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END_MACRO
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MACRO SKP_SMLALD ARG0_in, ARG1_in, ARG2_in, ARG3_in
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#if EMBEDDED_ARM>=6
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smlald ARG0, ARG1, ARG2, ARG3
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#elif EMBEDDED_ARM>=5
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smlalbb ARG0, ARG1, ARG2, ARG3
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smlaltt ARG0, ARG1, ARG2, ARG3
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#else
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.abort "SKP_SMLALD can't be used for armv4 or lower device.."
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#endif
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END_MACRO
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MACRO SKP_RSHIFT_ROUND ARG0_in, ARG1_in, ARG2_in
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#if EMBEDDED_ARM>=4
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mov ARG0, ARG1, asr #(ARG2-1)
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add ARG0, ARG0, #1
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mov ARG0, ARG0, asr #1
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#else
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.abort "SKP_RSHIFT_ROUND can't be used for armv3 or lower device.."
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#endif
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END_MACRO
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MACRO ADD_SHIFT ARG0_in, ARG1_in, ARG2_in, ARG3_in, ARG4_in
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add ARG0, ARG1, ARG2, ARG3 ARG4
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END_MACRO
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MACRO POST_IR ARG0_in, ARG1_in, ARG2_in, ARG3_in
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ARG0 ARG1, [ARG2], ARG3
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END_MACRO
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#endif
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#endif //_SKP_ASM_PREPROC_H_
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