asm.h

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    1 /*-
    2  * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
    3  * All rights reserved.
    4  *
    5  * Portions of this software were developed by SRI International and the
    6  * University of Cambridge Computer Laboratory under DARPA/AFRL contract
    7  * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
    8  *
    9  * Portions of this software were developed by the University of Cambridge
   10  * Computer Laboratory as part of the CTSRD Project, with support from the
   11  * UK Higher Education Innovation Fund (HEIF).
   12  *
   13  * Redistribution and use in source and binary forms, with or without
   14  * modification, are permitted provided that the following conditions
   15  * are met:
   16  * 1. Redistributions of source code must retain the above copyright
   17  *    notice, this list of conditions and the following disclaimer.
   18  * 2. Redistributions in binary form must reproduce the above copyright
   19  *    notice, this list of conditions and the following disclaimer in the
   20  *    documentation and/or other materials provided with the distribution.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  * $FreeBSD: releng/11.0/sys/riscv/include/asm.h 295258 2016-02-04 14:30:46Z br $
   35  */
   36 
   37 #ifndef _MACHINE_ASM_H_
   38 #define _MACHINE_ASM_H_
   39 
   40 #undef __FBSDID
   41 #if !defined(lint) && !defined(STRIP_FBSDID)
   42 #define __FBSDID(s)     .ident s
   43 #else
   44 #define __FBSDID(s)     /* nothing */
   45 #endif /* not lint and not STRIP_FBSDID */
   46 
   47 #define _C_LABEL(x)     x
   48 
   49 #define ENTRY(sym)                                              \
   50         .text; .globl sym; .type sym,@function; .align 2; sym:
   51 #define END(sym) .size sym, . - sym
   52 
   53 #define EENTRY(sym)                                             \
   54         .globl  sym; sym:
   55 #define EEND(sym)
   56 
   57 #define WEAK_REFERENCE(sym, alias)                              \
   58         .weak alias;                                            \
   59         .set alias,sym
   60 
   61 #define SET_FAULT_HANDLER(handler, tmp)                                 \
   62         ld      tmp, PC_CURTHREAD(gp);                                  \
   63         ld      tmp, TD_PCB(tmp);               /* Load the pcb */      \
   64         sd      handler, PCB_ONFAULT(tmp)       /* Set the handler */
   65 
   66 #endif /* _MACHINE_ASM_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/riscv/include/asm.h

FreeBSD/Linux Kernel Cross Reference
sys/riscv/include/asm.h