|
Last change
on this file since 2 was
2,
checked in by jglee, 11 years ago
|
|
first commit
|
-
Property svn:executable set to
*
|
|
File size:
794 bytes
|
| Line | |
|---|
| 1 | /* |
|---|
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
|---|
| 3 | * License. See the file "COPYING" in the main directory of this archive |
|---|
| 4 | * for more details. |
|---|
| 5 | * |
|---|
| 6 | * Copyright (C) 1996, 1997, 1998, 2001 by Ralf Baechle |
|---|
| 7 | */ |
|---|
| 8 | #ifndef _ASM_BRANCH_H |
|---|
| 9 | #define _ASM_BRANCH_H |
|---|
| 10 | |
|---|
| 11 | #include <asm/ptrace.h> |
|---|
| 12 | |
|---|
| 13 | static inline int delay_slot(struct pt_regs *regs) |
|---|
| 14 | { |
|---|
| 15 | return regs->cp0_cause & CAUSEF_BD; |
|---|
| 16 | } |
|---|
| 17 | |
|---|
| 18 | static inline unsigned long exception_epc(struct pt_regs *regs) |
|---|
| 19 | { |
|---|
| 20 | if (!delay_slot(regs)) |
|---|
| 21 | return regs->cp0_epc; |
|---|
| 22 | |
|---|
| 23 | return regs->cp0_epc + 4; |
|---|
| 24 | } |
|---|
| 25 | |
|---|
| 26 | extern int __compute_return_epc(struct pt_regs *regs); |
|---|
| 27 | |
|---|
| 28 | static inline int compute_return_epc(struct pt_regs *regs) |
|---|
| 29 | { |
|---|
| 30 | if (!delay_slot(regs)) { |
|---|
| 31 | regs->cp0_epc += 4; |
|---|
| 32 | return 0; |
|---|
| 33 | } |
|---|
| 34 | |
|---|
| 35 | return __compute_return_epc(regs); |
|---|
| 36 | } |
|---|
| 37 | |
|---|
| 38 | #endif /* _ASM_BRANCH_H */ |
|---|
Note: See
TracBrowser
for help on using the repository browser.
