2 * Copyright (c) 2015-2018 Ruslan Bukin <br@bsdpad.com>
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.
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).
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
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.
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
37 #ifndef _MACHINE_ASM_H_
38 #define _MACHINE_ASM_H_
41 #if !defined(lint) && !defined(STRIP_FBSDID)
42 #define __FBSDID(s) .ident s
44 #define __FBSDID(s) /* nothing */
45 #endif /* not lint and not STRIP_FBSDID */
50 .text; .globl sym; .type sym,@function; .align 4; sym: .cfi_startproc;
51 #define END(sym) .cfi_endproc; .size sym, . - sym
57 #define WEAK_REFERENCE(sym, alias) \
61 #define SET_FAULT_HANDLER(handler, tmp) \
62 ld tmp, PC_CURTHREAD(tp); \
63 ld tmp, TD_PCB(tmp); /* Load the pcb */ \
64 sd handler, PCB_ONFAULT(tmp) /* Set the handler */
66 #define ENTER_USER_ACCESS(tmp) \
67 li tmp, SSTATUS_SUM; \
70 #define EXIT_USER_ACCESS(tmp) \
71 li tmp, SSTATUS_SUM; \
74 #endif /* _MACHINE_ASM_H_ */