diff options
Diffstat (limited to 'sys/riscv/include/asm.h')
| -rw-r--r-- | sys/riscv/include/asm.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/sys/riscv/include/asm.h b/sys/riscv/include/asm.h new file mode 100644 index 0000000..fb0c844 --- /dev/null +++ b/sys/riscv/include/asm.h @@ -0,0 +1,68 @@ +/*- + * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * Portions of this software were developed by SRI International and the + * University of Cambridge Computer Laboratory under DARPA/AFRL contract + * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. + * + * Portions of this software were developed by the University of Cambridge + * Computer Laboratory as part of the CTSRD Project, with support from the + * UK Higher Education Innovation Fund (HEIF). + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_ASM_H_ +#define _MACHINE_ASM_H_ + +#undef __FBSDID +#if !defined(lint) && !defined(STRIP_FBSDID) +#define __FBSDID(s) .ident s +#else +#define __FBSDID(s) /* nothing */ +#endif /* not lint and not STRIP_FBSDID */ + +#define _C_LABEL(x) x + +#define ENTRY(sym) \ + .text; .globl sym; .type sym,@function; .align 2; sym: +#define END(sym) .size sym, . - sym + +#define EENTRY(sym) \ + .globl sym; sym: +#define EEND(sym) + +#define WEAK_REFERENCE(sym, alias) \ + .weak alias; \ + .set alias,sym + +#define SET_FAULT_HANDLER(handler, tmp) \ + la tmp, pcpup; \ + ld tmp, 0(tmp); \ + ld tmp, PC_CURTHREAD(tmp); \ + ld tmp, TD_PCB(tmp); /* Load the pcb */ \ + sd handler, PCB_ONFAULT(tmp) /* Set the handler */ + +#endif /* _MACHINE_ASM_H_ */ |
