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[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 7
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The attached patches provides part 7 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Chris Zankel authored and Linus Torvalds committed Jun 24, 2005
1 parent 9a8fd55 commit e344b63
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708 changes: 708 additions & 0 deletions include/asm-xtensa/xtensa/cacheasm.h

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432 changes: 432 additions & 0 deletions include/asm-xtensa/xtensa/cacheattrasm.h

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1,270 changes: 1,270 additions & 0 deletions include/asm-xtensa/xtensa/config-linux_be/core.h

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270 changes: 270 additions & 0 deletions include/asm-xtensa/xtensa/config-linux_be/defs.h
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/* Definitions for Xtensa instructions, types, and protos. */

/*
* Copyright (c) 2003 Tensilica, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2.1 of the GNU Lesser General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
* USA.
*/

/* Do not modify. This is automatically generated.*/

#ifndef _XTENSA_BASE_HEADER
#define _XTENSA_BASE_HEADER

#ifdef __XTENSA__
#if defined(__GNUC__) && !defined(__XCC__)

#define L8UI_ASM(arr, ars, imm) { \
__asm__ volatile("l8ui %0, %1, %2" : "=a" (arr) : "a" (ars) , "i" (imm)); \
}

#define XT_L8UI(ars, imm) \
({ \
unsigned char _arr; \
const unsigned char *_ars = ars; \
L8UI_ASM(_arr, _ars, imm); \
_arr; \
})

#define L16UI_ASM(arr, ars, imm) { \
__asm__ volatile("l16ui %0, %1, %2" : "=a" (arr) : "a" (ars) , "i" (imm)); \
}

#define XT_L16UI(ars, imm) \
({ \
unsigned short _arr; \
const unsigned short *_ars = ars; \
L16UI_ASM(_arr, _ars, imm); \
_arr; \
})

#define L16SI_ASM(arr, ars, imm) {\
__asm__ volatile("l16si %0, %1, %2" : "=a" (arr) : "a" (ars) , "i" (imm)); \
}

#define XT_L16SI(ars, imm) \
({ \
signed short _arr; \
const signed short *_ars = ars; \
L16SI_ASM(_arr, _ars, imm); \
_arr; \
})

#define L32I_ASM(arr, ars, imm) { \
__asm__ volatile("l32i %0, %1, %2" : "=a" (arr) : "a" (ars) , "i" (imm)); \
}

#define XT_L32I(ars, imm) \
({ \
unsigned _arr; \
const unsigned *_ars = ars; \
L32I_ASM(_arr, _ars, imm); \
_arr; \
})

#define S8I_ASM(arr, ars, imm) {\
__asm__ volatile("s8i %0, %1, %2" : : "a" (arr), "a" (ars) , "i" (imm) : "memory" ); \
}

#define XT_S8I(arr, ars, imm) \
({ \
signed char _arr = arr; \
const signed char *_ars = ars; \
S8I_ASM(_arr, _ars, imm); \
})

#define S16I_ASM(arr, ars, imm) {\
__asm__ volatile("s16i %0, %1, %2" : : "a" (arr), "a" (ars) , "i" (imm) : "memory" ); \
}

#define XT_S16I(arr, ars, imm) \
({ \
signed short _arr = arr; \
const signed short *_ars = ars; \
S16I_ASM(_arr, _ars, imm); \
})

#define S32I_ASM(arr, ars, imm) { \
__asm__ volatile("s32i %0, %1, %2" : : "a" (arr), "a" (ars) , "i" (imm) : "memory" ); \
}

#define XT_S32I(arr, ars, imm) \
({ \
signed int _arr = arr; \
const signed int *_ars = ars; \
S32I_ASM(_arr, _ars, imm); \
})

#define ADDI_ASM(art, ars, imm) {\
__asm__ ("addi %0, %1, %2" : "=a" (art) : "a" (ars), "i" (imm)); \
}

#define XT_ADDI(ars, imm) \
({ \
unsigned _art; \
unsigned _ars = ars; \
ADDI_ASM(_art, _ars, imm); \
_art; \
})

#define ABS_ASM(arr, art) {\
__asm__ ("abs %0, %1" : "=a" (arr) : "a" (art)); \
}

#define XT_ABS(art) \
({ \
unsigned _arr; \
signed _art = art; \
ABS_ASM(_arr, _art); \
_arr; \
})

/* Note: In the following macros that reference SAR, the magic "state"
register is used to capture the dependency on SAR. This is because
SAR is a 5-bit register and thus there are no C types that can be
used to represent it. It doesn't appear that the SAR register is
even relevant to GCC, but it is marked as "clobbered" just in
case. */

#define SRC_ASM(arr, ars, art) {\
register int _xt_sar __asm__ ("state"); \
__asm__ ("src %0, %1, %2" \
: "=a" (arr) : "a" (ars), "a" (art), "t" (_xt_sar)); \
}

#define XT_SRC(ars, art) \
({ \
unsigned _arr; \
unsigned _ars = ars; \
unsigned _art = art; \
SRC_ASM(_arr, _ars, _art); \
_arr; \
})

#define SSR_ASM(ars) {\
register int _xt_sar __asm__ ("state"); \
__asm__ ("ssr %1" : "=t" (_xt_sar) : "a" (ars) : "sar"); \
}

#define XT_SSR(ars) \
({ \
unsigned _ars = ars; \
SSR_ASM(_ars); \
})

#define SSL_ASM(ars) {\
register int _xt_sar __asm__ ("state"); \
__asm__ ("ssl %1" : "=t" (_xt_sar) : "a" (ars) : "sar"); \
}

#define XT_SSL(ars) \
({ \
unsigned _ars = ars; \
SSL_ASM(_ars); \
})

#define SSA8B_ASM(ars) {\
register int _xt_sar __asm__ ("state"); \
__asm__ ("ssa8b %1" : "=t" (_xt_sar) : "a" (ars) : "sar"); \
}

#define XT_SSA8B(ars) \
({ \
unsigned _ars = ars; \
SSA8B_ASM(_ars); \
})

#define SSA8L_ASM(ars) {\
register int _xt_sar __asm__ ("state"); \
__asm__ ("ssa8l %1" : "=t" (_xt_sar) : "a" (ars) : "sar"); \
}

#define XT_SSA8L(ars) \
({ \
unsigned _ars = ars; \
SSA8L_ASM(_ars); \
})

#define SSAI_ASM(imm) {\
register int _xt_sar __asm__ ("state"); \
__asm__ ("ssai %1" : "=t" (_xt_sar) : "i" (imm) : "sar"); \
}

#define XT_SSAI(imm) \
({ \
SSAI_ASM(imm); \
})








#endif /* __GNUC__ && !__XCC__ */

#ifdef __XCC__

/* Core load/store instructions */
extern unsigned char _TIE_L8UI(const unsigned char * ars, immediate imm);
extern unsigned short _TIE_L16UI(const unsigned short * ars, immediate imm);
extern signed short _TIE_L16SI(const signed short * ars, immediate imm);
extern unsigned _TIE_L32I(const unsigned * ars, immediate imm);
extern void _TIE_S8I(unsigned char arr, unsigned char * ars, immediate imm);
extern void _TIE_S16I(unsigned short arr, unsigned short * ars, immediate imm);
extern void _TIE_S32I(unsigned arr, unsigned * ars, immediate imm);

#define XT_L8UI _TIE_L8UI
#define XT_L16UI _TIE_L16UI
#define XT_L16SI _TIE_L16SI
#define XT_L32I _TIE_L32I
#define XT_S8I _TIE_S8I
#define XT_S16I _TIE_S16I
#define XT_S32I _TIE_S32I

/* Add-immediate instruction */
extern unsigned _TIE_ADDI(unsigned ars, immediate imm);
#define XT_ADDI _TIE_ADDI

/* Absolute value instruction */
extern unsigned _TIE_ABS(int art);
#define XT_ABS _TIE_ABS

/* funnel shift instructions */
extern unsigned _TIE_SRC(unsigned ars, unsigned art);
#define XT_SRC _TIE_SRC
extern void _TIE_SSR(unsigned ars);
#define XT_SSR _TIE_SSR
extern void _TIE_SSL(unsigned ars);
#define XT_SSL _TIE_SSL
extern void _TIE_SSA8B(unsigned ars);
#define XT_SSA8B _TIE_SSA8B
extern void _TIE_SSA8L(unsigned ars);
#define XT_SSA8L _TIE_SSA8L
extern void _TIE_SSAI(immediate imm);
#define XT_SSAI _TIE_SSAI


#endif /* __XCC__ */

#endif /* __XTENSA__ */
#endif /* !_XTENSA_BASE_HEADER */
99 changes: 99 additions & 0 deletions include/asm-xtensa/xtensa/config-linux_be/specreg.h
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/*
* Xtensa Special Register symbolic names
*/

/* $Id: specreg.h,v 1.2 2003/03/07 19:15:18 joetaylor Exp $ */

/*
* Copyright (c) 2003 Tensilica, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2.1 of the GNU Lesser General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
* USA.
*/

#ifndef XTENSA_SPECREG_H
#define XTENSA_SPECREG_H

/* Include these special register bitfield definitions, for historical reasons: */
#include <xtensa/corebits.h>


/* Special registers: */
#define LBEG 0
#define LEND 1
#define LCOUNT 2
#define SAR 3
#define WINDOWBASE 72
#define WINDOWSTART 73
#define PTEVADDR 83
#define RASID 90
#define ITLBCFG 91
#define DTLBCFG 92
#define IBREAKENABLE 96
#define DDR 104
#define IBREAKA_0 128
#define IBREAKA_1 129
#define DBREAKA_0 144
#define DBREAKA_1 145
#define DBREAKC_0 160
#define DBREAKC_1 161
#define EPC_1 177
#define EPC_2 178
#define EPC_3 179
#define EPC_4 180
#define DEPC 192
#define EPS_2 194
#define EPS_3 195
#define EPS_4 196
#define EXCSAVE_1 209
#define EXCSAVE_2 210
#define EXCSAVE_3 211
#define EXCSAVE_4 212
#define INTERRUPT 226
#define INTENABLE 228
#define PS 230
#define EXCCAUSE 232
#define DEBUGCAUSE 233
#define CCOUNT 234
#define ICOUNT 236
#define ICOUNTLEVEL 237
#define EXCVADDR 238
#define CCOMPARE_0 240
#define CCOMPARE_1 241
#define CCOMPARE_2 242
#define MISC_REG_0 244
#define MISC_REG_1 245

/* Special cases (bases of special register series): */
#define IBREAKA 128
#define DBREAKA 144
#define DBREAKC 160
#define EPC 176
#define EPS 192
#define EXCSAVE 208
#define CCOMPARE 240

/* Special names for read-only and write-only interrupt registers: */
#define INTREAD 226
#define INTSET 226
#define INTCLEAR 227

#endif /* XTENSA_SPECREG_H */

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