diff options
Diffstat (limited to 'arch/s390/kernel/entry64.S')
| -rw-r--r-- | arch/s390/kernel/entry64.S | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 16bb4fd1a40..c6fbde13971 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -177,8 +177,11 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ .if !\sync ni \psworg+1,0xfd # clear wait state bit .endif - lmg %r0,%r15,SP_R0(%r15) # load gprs 0-15 of user + lg %r14,__LC_VDSO_PER_CPU + lmg %r0,%r13,SP_R0(%r15) # load gprs 0-13 of user stpt __LC_EXIT_TIMER + mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER + lmg %r14,%r15,SP_R14(%r15) # load grps 14-15 of user lpswe \psworg # back to caller .endm @@ -559,8 +562,8 @@ kernel_per: */ .globl io_int_handler io_int_handler: - stpt __LC_ASYNC_ENTER_TIMER stck __LC_INT_CLOCK + stpt __LC_ASYNC_ENTER_TIMER SAVE_ALL_BASE __LC_SAVE_AREA+32 SAVE_ALL_ASYNC __LC_IO_OLD_PSW,__LC_SAVE_AREA+32 CREATE_STACK_FRAME __LC_IO_OLD_PSW,__LC_SAVE_AREA+32 @@ -721,8 +724,8 @@ io_notify_resume: */ .globl ext_int_handler ext_int_handler: - stpt __LC_ASYNC_ENTER_TIMER stck __LC_INT_CLOCK + stpt __LC_ASYNC_ENTER_TIMER SAVE_ALL_BASE __LC_SAVE_AREA+32 SAVE_ALL_ASYNC __LC_EXT_OLD_PSW,__LC_SAVE_AREA+32 CREATE_STACK_FRAME __LC_EXT_OLD_PSW,__LC_SAVE_AREA+32 @@ -746,6 +749,7 @@ __critical_end: */ .globl mcck_int_handler mcck_int_handler: + stck __LC_INT_CLOCK la %r1,4095 # revalidate r1 spt __LC_CPU_TIMER_SAVE_AREA-4095(%r1) # revalidate cpu timer lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1)# revalidate gprs @@ -979,23 +983,23 @@ cleanup_sysc_return: cleanup_sysc_leave: clc 8(8,%r12),BASED(cleanup_sysc_leave_insn) - je 2f - mvc __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER + je 3f clc 8(8,%r12),BASED(cleanup_sysc_leave_insn+8) - je 2f - mvc __LC_RETURN_PSW(16),SP_PSW(%r15) + jhe 0f + mvc __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER +0: mvc __LC_RETURN_PSW(16),SP_PSW(%r15) cghi %r12,__LC_MCK_OLD_PSW - jne 0f + jne 1f mvc __LC_SAVE_AREA+64(32),SP_R12(%r15) - j 1f -0: mvc __LC_SAVE_AREA+32(32),SP_R12(%r15) -1: lmg %r0,%r11,SP_R0(%r15) + j 2f +1: mvc __LC_SAVE_AREA+32(32),SP_R12(%r15) +2: lmg %r0,%r11,SP_R0(%r15) lg %r15,SP_R15(%r15) -2: la %r12,__LC_RETURN_PSW +3: la %r12,__LC_RETURN_PSW br %r14 cleanup_sysc_leave_insn: .quad sysc_done - 4 - .quad sysc_done - 8 + .quad sysc_done - 16 cleanup_io_return: mvc __LC_RETURN_PSW(8),0(%r12) @@ -1005,23 +1009,23 @@ cleanup_io_return: cleanup_io_leave: clc 8(8,%r12),BASED(cleanup_io_leave_insn) - je 2f - mvc __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER + je 3f clc 8(8,%r12),BASED(cleanup_io_leave_insn+8) - je 2f - mvc __LC_RETURN_PSW(16),SP_PSW(%r15) + jhe 0f + mvc __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER +0: mvc __LC_RETURN_PSW(16),SP_PSW(%r15) cghi %r12,__LC_MCK_OLD_PSW - jne 0f + jne 1f mvc __LC_SAVE_AREA+64(32),SP_R12(%r15) - j 1f -0: mvc __LC_SAVE_AREA+32(32),SP_R12(%r15) -1: lmg %r0,%r11,SP_R0(%r15) + j 2f +1: mvc __LC_SAVE_AREA+32(32),SP_R12(%r15) +2: lmg %r0,%r11,SP_R0(%r15) lg %r15,SP_R15(%r15) -2: la %r12,__LC_RETURN_PSW +3: la %r12,__LC_RETURN_PSW br %r14 cleanup_io_leave_insn: .quad io_done - 4 - .quad io_done - 8 + .quad io_done - 16 /* * Integer constants |