blob: d8882cfb1bf90cc65629aea4126f5753e78f9902 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
/*
* Branch and jump emulation.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996, 1997, 1998 by Ralf Baechle
*
* $Id: branch.h,v 1.2 1998/04/28 19:37:46 ralf Exp $
*/
#include <asm/ptrace.h>
extern inline int delay_slot(struct pt_regs *regs)
{
return regs->cp0_cause & CAUSEF_BD;
}
extern int __compute_return_epc(struct pt_regs *regs);
extern inline int compute_return_epc(struct pt_regs *regs)
{
if (!delay_slot(regs)) {
regs->cp0_epc += 4;
return 0;
}
return __compute_return_epc(regs);
}
|
