diff options
Diffstat (limited to 'arch/s390/kernel/entry.S')
-rw-r--r-- | arch/s390/kernel/entry.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 6234c6978a1f..bc7ff3658c3d 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S | |||
@@ -107,6 +107,11 @@ STACK_SIZE = 1 << STACK_SHIFT | |||
107 | l %r13,__LC_SVC_NEW_PSW+4 # load &system_call to %r13 | 107 | l %r13,__LC_SVC_NEW_PSW+4 # load &system_call to %r13 |
108 | .endm | 108 | .endm |
109 | 109 | ||
110 | .macro SAVE_ALL_SVC psworg,savearea | ||
111 | la %r12,\psworg | ||
112 | l %r15,__LC_KERNEL_STACK # problem state -> load ksp | ||
113 | .endm | ||
114 | |||
110 | .macro SAVE_ALL_SYNC psworg,savearea | 115 | .macro SAVE_ALL_SYNC psworg,savearea |
111 | la %r12,\psworg | 116 | la %r12,\psworg |
112 | tm \psworg+1,0x01 # test problem state bit | 117 | tm \psworg+1,0x01 # test problem state bit |
@@ -218,7 +223,7 @@ system_call: | |||
218 | STORE_TIMER __LC_SYNC_ENTER_TIMER | 223 | STORE_TIMER __LC_SYNC_ENTER_TIMER |
219 | sysc_saveall: | 224 | sysc_saveall: |
220 | SAVE_ALL_BASE __LC_SAVE_AREA | 225 | SAVE_ALL_BASE __LC_SAVE_AREA |
221 | SAVE_ALL_SYNC __LC_SVC_OLD_PSW,__LC_SAVE_AREA | 226 | SAVE_ALL_SVC __LC_SVC_OLD_PSW,__LC_SAVE_AREA |
222 | CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA | 227 | CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA |
223 | lh %r7,0x8a # get svc number from lowcore | 228 | lh %r7,0x8a # get svc number from lowcore |
224 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 229 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |