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Diffstat (limited to 'arch/s390/kernel/entry64.S')
-rw-r--r--arch/s390/kernel/entry64.S27
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