diff options
Diffstat (limited to 'arch/s390/kernel/entry64.S')
| -rw-r--r-- | arch/s390/kernel/entry64.S | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 73845a9..412a7b8 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -1,4 +1,3 @@ - /* * arch/s390/kernel/entry64.S * S390 low-level entry points. @@ -200,17 +199,17 @@ sysc_vtime: stmg %r0,%r7,__PT_R0(%r11) mvc __PT_R8(64,%r11),__LC_SAVE_AREA_SYNC mvc __PT_PSW(16,%r11),__LC_SVC_OLD_PSW - mvc __PT_SVC_CODE(4,%r11),__LC_SVC_ILC + mvc __PT_INT_CODE(4,%r11),__LC_SVC_ILC sysc_do_svc: oi __TI_flags+7(%r12),_TIF_SYSCALL - llgh %r8,__PT_SVC_CODE+2(%r11) + llgh %r8,__PT_INT_CODE+2(%r11) slag %r8,%r8,2 # shift and test for svc 0 jnz sysc_nr_ok # svc 0: system call number in %r1 llgfr %r1,%r1 # clear high word in r1 cghi %r1,NR_syscalls jnl sysc_nr_ok - sth %r1,__PT_SVC_CODE+2(%r11) + sth %r1,__PT_INT_CODE+2(%r11) slag %r8,%r1,2 sysc_nr_ok: larl %r10,sys_call_table # 64 bit system call table @@ -288,7 +287,7 @@ sysc_sigpending: jno sysc_return lmg %r2,%r7,__PT_R2(%r11) # load svc arguments lghi %r8,0 # svc 0 returns -ENOSYS - lh %r1,__PT_SVC_CODE+2(%r11) # load new svc number + lh %r1,__PT_INT_CODE+2(%r11) # load new svc number cghi %r1,NR_syscalls jnl sysc_nr_ok # invalid svc number -> do svc 0 slag %r8,%r1,2 @@ -318,7 +317,7 @@ sysc_singlestep: sysc_tracesys: lgr %r2,%r11 # pass pointer to pt_regs la %r3,0 - llgh %r0,__PT_SVC_CODE+2(%r11) + llgh %r0,__PT_INT_CODE+2(%r11) stg %r0,__PT_R2(%r11) brasl %r14,do_syscall_trace_enter lghi %r0,NR_syscalls @@ -411,6 +410,8 @@ ENTRY(pgm_check_handler) stmg %r0,%r7,__PT_R0(%r11) mvc __PT_R8(64,%r11),__LC_SAVE_AREA_SYNC stmg %r8,%r9,__PT_PSW(%r11) + mvc __PT_INT_CODE(4,%r11),__LC_PGM_ILC + mvc __PT_INT_PARM_LONG(8,%r11),__LC_TRANS_EXC_CODE stg %r10,__PT_ARGS(%r11) tm __LC_PGM_ILC+3,0x80 # check for per exception jz 0f @@ -421,15 +422,13 @@ ENTRY(pgm_check_handler) mvc __THREAD_per_address(8,%r1),__LC_PER_ADDRESS mvc __THREAD_per_cause(2,%r1),__LC_PER_CAUSE mvc __THREAD_per_paid(1,%r1),__LC_PER_PAID -0: lgf %r3,__LC_PGM_ILC # load program interruption code - lg %r4,__LC_TRANS_EXC_CODE - REENABLE_IRQS +0: REENABLE_IRQS xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) - lghi %r10,0x7f - ngr %r10,%r3 - je sysc_return - sll %r10,3 larl %r1,pgm_check_table + llgh %r10,__PT_INT_CODE+2(%r11) + nill %r10,0x007f + sll %r10,3 + je sysc_return lg %r1,0(%r10,%r1) # load address of handler routine lgr %r2,%r11 # pass pointer to pt_regs basr %r14,%r1 # branch to interrupt-handler @@ -877,7 +876,7 @@ cleanup_system_call: mvc __PT_R8(64,%r15),__LC_SAVE_AREA_SYNC stmg %r0,%r7,__PT_R0(%r15) mvc __PT_PSW(16,%r15),__LC_SVC_OLD_PSW - mvc __PT_SVC_CODE(4,%r15),__LC_SVC_ILC + mvc __PT_INT_CODE(4,%r15),__LC_SVC_ILC # setup saved register r15 aghi %r15,-STACK_FRAME_OVERHEAD stg %r15,56(%r11) # r15 stack pointer |