lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

m68k: merge mmu and non-mmu versions of asm-offsets.c

Browse Source 
It is strait forward to merge the mmu and non-mmu versions of
asm-offstes.c. Some name changes are required for the preempt and
thread_info.flags in the non-mmu entry.S assembler to make them
consistent for both setups.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer
2011-03-29 15:55:36 +10:00
parent a697dc934f
commit aa4d1f897f
6 changed files with 114 additions and 190 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
arch/m68k/platform/coldfire/entry.S
View File

@@ -78,7 +78,7 @@ ENTRY(system_call)
movel %d2,%a0
movel %a0@,%a1 /* save top of frame */
movel %sp,%a1@(TASK_THREAD+THREAD_ESP0)
btst #(TIF_SYSCALL_TRACE%8),%a0@(TI_FLAGS+(31-TIF_SYSCALL_TRACE)/8)
btst #(TIF_SYSCALL_TRACE%8),%a0@(TINFO_FLAGS+(31-TIF_SYSCALL_TRACE)/8)
bnes 1f
movel %d3,%a0
@@ -113,11 +113,11 @@ ret_from_exception:
movel %sp,%d1 /* get thread_info pointer */
andl #-THREAD_SIZE,%d1 /* at base of kernel stack */
movel %d1,%a0
movel %a0@(TI_FLAGS),%d1 /* get thread_info->flags */
movel %a0@(TINFO_FLAGS),%d1 /* get thread_info->flags */
andl #(1<<TIF_NEED_RESCHED),%d1
jeq Lkernel_return
movel %a0@(TI_PREEMPTCOUNT),%d1
movel %a0@(TINFO_PREEMPT),%d1
cmpl #0,%d1
jne Lkernel_return
@@ -137,14 +137,14 @@ Luser_return:
movel %sp,%d1 /* get thread_info pointer */
andl #-THREAD_SIZE,%d1 /* at base of kernel stack */
movel %d1,%a0
movel %a0@(TI_FLAGS),%d1 /* get thread_info->flags */
movel %a0@(TINFO_FLAGS),%d1 /* get thread_info->flags */
jne Lwork_to_do /* still work to do */
Lreturn:
RESTORE_USER
Lwork_to_do:
movel %a0@(TI_FLAGS),%d1 /* get thread_info->flags */
movel %a0@(TINFO_FLAGS),%d1 /* get thread_info->flags */
move #0x2000,%sr /* enable intrs again */
btst #TIF_NEED_RESCHED,%d1
jne reschedule