diff options
Diffstat (limited to 'arch/parisc/kernel/entry.S')
| -rw-r--r-- | arch/parisc/kernel/entry.S | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index bfb44247d7a7..eb7850b46c25 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S | |||
| @@ -1865,7 +1865,7 @@ syscall_restore: | |||
| 1865 | 1865 | ||
| 1866 | /* Are we being ptraced? */ | 1866 | /* Are we being ptraced? */ |
| 1867 | ldw TASK_FLAGS(%r1),%r19 | 1867 | ldw TASK_FLAGS(%r1),%r19 |
| 1868 | ldi (_TIF_SINGLESTEP|_TIF_BLOCKSTEP),%r2 | 1868 | ldi _TIF_SYSCALL_TRACE_MASK,%r2 |
| 1869 | and,COND(=) %r19,%r2,%r0 | 1869 | and,COND(=) %r19,%r2,%r0 |
| 1870 | b,n syscall_restore_rfi | 1870 | b,n syscall_restore_rfi |
| 1871 | 1871 | ||
| @@ -1978,15 +1978,23 @@ syscall_restore_rfi: | |||
| 1978 | /* sr2 should be set to zero for userspace syscalls */ | 1978 | /* sr2 should be set to zero for userspace syscalls */ |
| 1979 | STREG %r0,TASK_PT_SR2(%r1) | 1979 | STREG %r0,TASK_PT_SR2(%r1) |
| 1980 | 1980 | ||
| 1981 | pt_regs_ok: | ||
| 1982 | LDREG TASK_PT_GR31(%r1),%r2 | 1981 | LDREG TASK_PT_GR31(%r1),%r2 |
| 1983 | depi 3,31,2,%r2 /* ensure return to user mode. */ | 1982 | depi 3,31,2,%r2 /* ensure return to user mode. */ |
| 1984 | STREG %r2,TASK_PT_IAOQ0(%r1) | 1983 | STREG %r2,TASK_PT_IAOQ0(%r1) |
| 1985 | ldo 4(%r2),%r2 | 1984 | ldo 4(%r2),%r2 |
| 1986 | STREG %r2,TASK_PT_IAOQ1(%r1) | 1985 | STREG %r2,TASK_PT_IAOQ1(%r1) |
| 1986 | b intr_restore | ||
| 1987 | copy %r25,%r16 | 1987 | copy %r25,%r16 |
| 1988 | |||
| 1989 | pt_regs_ok: | ||
| 1990 | LDREG TASK_PT_IAOQ0(%r1),%r2 | ||
| 1991 | depi 3,31,2,%r2 /* ensure return to user mode. */ | ||
| 1992 | STREG %r2,TASK_PT_IAOQ0(%r1) | ||
| 1993 | LDREG TASK_PT_IAOQ1(%r1),%r2 | ||
| 1994 | depi 3,31,2,%r2 | ||
| 1995 | STREG %r2,TASK_PT_IAOQ1(%r1) | ||
| 1988 | b intr_restore | 1996 | b intr_restore |
| 1989 | nop | 1997 | copy %r25,%r16 |
| 1990 | 1998 | ||
| 1991 | .import schedule,code | 1999 | .import schedule,code |
| 1992 | syscall_do_resched: | 2000 | syscall_do_resched: |
