diff options
Diffstat (limited to 'arch/s390/kernel/entry.S')
-rw-r--r-- | arch/s390/kernel/entry.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 1268aa2991bf..f3e275934213 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S | |||
@@ -837,16 +837,29 @@ mcck_return: | |||
837 | __CPUINIT | 837 | __CPUINIT |
838 | .globl restart_int_handler | 838 | .globl restart_int_handler |
839 | restart_int_handler: | 839 | restart_int_handler: |
840 | basr %r1,0 | ||
841 | restart_base: | ||
842 | spt restart_vtime-restart_base(%r1) | ||
843 | stck __LC_LAST_UPDATE_CLOCK | ||
844 | mvc __LC_LAST_UPDATE_TIMER(8),restart_vtime-restart_base(%r1) | ||
845 | mvc __LC_EXIT_TIMER(8),restart_vtime-restart_base(%r1) | ||
840 | l %r15,__LC_SAVE_AREA+60 # load ksp | 846 | l %r15,__LC_SAVE_AREA+60 # load ksp |
841 | lctl %c0,%c15,__LC_CREGS_SAVE_AREA # get new ctl regs | 847 | lctl %c0,%c15,__LC_CREGS_SAVE_AREA # get new ctl regs |
842 | lam %a0,%a15,__LC_AREGS_SAVE_AREA | 848 | lam %a0,%a15,__LC_AREGS_SAVE_AREA |
843 | lm %r6,%r15,__SF_GPRS(%r15) # load registers from clone | 849 | lm %r6,%r15,__SF_GPRS(%r15) # load registers from clone |
850 | l %r1,__LC_THREAD_INFO | ||
851 | mvc __LC_USER_TIMER(8),__TI_user_timer(%r1) | ||
852 | mvc __LC_SYSTEM_TIMER(8),__TI_system_timer(%r1) | ||
853 | xc __LC_STEAL_TIMER(8),__LC_STEAL_TIMER | ||
844 | stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on | 854 | stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on |
845 | basr %r14,0 | 855 | basr %r14,0 |
846 | l %r14,restart_addr-.(%r14) | 856 | l %r14,restart_addr-.(%r14) |
847 | br %r14 # branch to start_secondary | 857 | br %r14 # branch to start_secondary |
848 | restart_addr: | 858 | restart_addr: |
849 | .long start_secondary | 859 | .long start_secondary |
860 | .align 8 | ||
861 | restart_vtime: | ||
862 | .long 0x7fffffff,0xffffffff | ||
850 | .previous | 863 | .previous |
851 | #else | 864 | #else |
852 | /* | 865 | /* |