.macro TRACE_IRQS_ON
#ifdef CONFIG_TRACE_IRQFLAGS
basr %r2,%r0
- l %r1,BASED(.Lhardirqs_on)
+ l %r1,BASED(.Lc_hardirqs_on)
basr %r14,%r1 # call trace_hardirqs_on_caller
#endif
.endm
.macro TRACE_IRQS_OFF
#ifdef CONFIG_TRACE_IRQFLAGS
basr %r2,%r0
- l %r1,BASED(.Lhardirqs_off)
+ l %r1,BASED(.Lc_hardirqs_off)
basr %r14,%r1 # call trace_hardirqs_off_caller
#endif
.endm
#ifdef CONFIG_LOCKDEP
tm __PT_PSW+1(%r11),0x01 # returning to user ?
jz .+10
- l %r1,BASED(.Llockdep_sys_exit)
+ l %r1,BASED(.Lc_lockdep_sys_exit)
basr %r14,%r1 # call lockdep_sys_exit
#endif
.endm
tmh %r8,0x0001 # interrupting from user ?
jnz 1f
lr %r14,%r9
- sl %r14,BASED(.Lcritical_start)
- cl %r14,BASED(.Lcritical_length)
+ sl %r14,BASED(.Lc_critical_start)
+ cl %r14,BASED(.Lc_critical_length)
jhe 0f
la %r11,\savearea # inside critical section, do cleanup
bras %r14,cleanup_critical
lm %r6,%r15,__SF_GPRS(%r15) # load gprs of next task
br %r14
-__critical_start:
+.L__critical_start:
/*
* SVC interrupt handler routine. System calls are synchronous events and
* are executed with interrupts enabled.
ENTRY(system_call)
stpt __LC_SYNC_ENTER_TIMER
-sysc_stm:
+.Lsysc_stm:
stm %r8,%r15,__LC_SAVE_AREA_SYNC
l %r12,__LC_THREAD_INFO
l %r13,__LC_SVC_NEW_PSW+4
lhi %r14,_PIF_SYSCALL
-sysc_per:
+.Lsysc_per:
l %r15,__LC_KERNEL_STACK
la %r11,STACK_FRAME_OVERHEAD(%r15) # pointer to pt_regs
-sysc_vtime:
+.Lsysc_vtime:
UPDATE_VTIME %r8,%r9,__LC_SYNC_ENTER_TIMER
stm %r0,%r7,__PT_R0(%r11)
mvc __PT_R8(32,%r11),__LC_SAVE_AREA_SYNC
mvc __PT_PSW(8,%r11),__LC_SVC_OLD_PSW
mvc __PT_INT_CODE(4,%r11),__LC_SVC_ILC
st %r14,__PT_FLAGS(%r11)
-sysc_do_svc:
+.Lsysc_do_svc:
l %r10,__TI_sysc_table(%r12) # 31 bit system call table
lh %r8,__PT_INT_CODE+2(%r11)
sla %r8,2 # shift and test for svc0
- jnz sysc_nr_ok
+ jnz .Lsysc_nr_ok
# svc 0: system call number in %r1
cl %r1,BASED(.Lnr_syscalls)
- jnl sysc_nr_ok
+ jnl .Lsysc_nr_ok
sth %r1,__PT_INT_CODE+2(%r11)
lr %r8,%r1
sla %r8,2
-sysc_nr_ok:
+.Lsysc_nr_ok:
xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15)
st %r2,__PT_ORIG_GPR2(%r11)
st %r7,STACK_FRAME_OVERHEAD(%r15)
l %r9,0(%r8,%r10) # get system call addr.
tm __TI_flags+3(%r12),_TIF_TRACE
- jnz sysc_tracesys
+ jnz .Lsysc_tracesys
basr %r14,%r9 # call sys_xxxx
st %r2,__PT_R2(%r11) # store return value
-sysc_return:
+.Lsysc_return:
LOCKDEP_SYS_EXIT
-sysc_tif:
+.Lsysc_tif:
tm __PT_PSW+1(%r11),0x01 # returning to user ?
- jno sysc_restore
+ jno .Lsysc_restore
tm __PT_FLAGS+3(%r11),_PIF_WORK
- jnz sysc_work
+ jnz .Lsysc_work
tm __TI_flags+3(%r12),_TIF_WORK
- jnz sysc_work # check for thread work
+ jnz .Lsysc_work # check for thread work
tm __LC_CPU_FLAGS+3,_CIF_WORK
- jnz sysc_work
-sysc_restore:
+ jnz .Lsysc_work
+.Lsysc_restore:
mvc __LC_RETURN_PSW(8),__PT_PSW(%r11)
stpt __LC_EXIT_TIMER
lm %r0,%r15,__PT_R0(%r11)
lpsw __LC_RETURN_PSW
-sysc_done:
+.Lsysc_done:
#
# One of the work bits is on. Find out which one.
#
-sysc_work:
+.Lsysc_work:
tm __LC_CPU_FLAGS+3,_CIF_MCCK_PENDING
- jo sysc_mcck_pending
+ jo .Lsysc_mcck_pending
tm __TI_flags+3(%r12),_TIF_NEED_RESCHED
- jo sysc_reschedule
+ jo .Lsysc_reschedule
tm __PT_FLAGS+3(%r11),_PIF_PER_TRAP
- jo sysc_singlestep
+ jo .Lsysc_singlestep
tm __TI_flags+3(%r12),_TIF_SIGPENDING
- jo sysc_sigpending
+ jo .Lsysc_sigpending
tm __TI_flags+3(%r12),_TIF_NOTIFY_RESUME
- jo sysc_notify_resume
+ jo .Lsysc_notify_resume
tm __LC_CPU_FLAGS+3,_CIF_ASCE
- jo sysc_uaccess
- j sysc_return # beware of critical section cleanup
+ jo .Lsysc_uaccess
+ j .Lsysc_return # beware of critical section cleanup
#
# _TIF_NEED_RESCHED is set, call schedule
#
-sysc_reschedule:
- l %r1,BASED(.Lschedule)
- la %r14,BASED(sysc_return)
+.Lsysc_reschedule:
+ l %r1,BASED(.Lc_schedule)
+ la %r14,BASED(.Lsysc_return)
br %r1 # call schedule
#
# _CIF_MCCK_PENDING is set, call handler
#
-sysc_mcck_pending:
- l %r1,BASED(.Lhandle_mcck)
- la %r14,BASED(sysc_return)
+.Lsysc_mcck_pending:
+ l %r1,BASED(.Lc_handle_mcck)
+ la %r14,BASED(.Lsysc_return)
br %r1 # TIF bit will be cleared by handler
#
# _CIF_ASCE is set, load user space asce
#
-sysc_uaccess:
+.Lsysc_uaccess:
ni __LC_CPU_FLAGS+3,255-_CIF_ASCE
lctl %c1,%c1,__LC_USER_ASCE # load primary asce
- j sysc_return
+ j .Lsysc_return
#
# _TIF_SIGPENDING is set, call do_signal
#
-sysc_sigpending:
+.Lsysc_sigpending:
lr %r2,%r11 # pass pointer to pt_regs
- l %r1,BASED(.Ldo_signal)
+ l %r1,BASED(.Lc_do_signal)
basr %r14,%r1 # call do_signal
tm __PT_FLAGS+3(%r11),_PIF_SYSCALL
- jno sysc_return
+ jno .Lsysc_return
lm %r2,%r7,__PT_R2(%r11) # load svc arguments
l %r10,__TI_sysc_table(%r12) # 31 bit system call table
xr %r8,%r8 # svc 0 returns -ENOSYS
clc __PT_INT_CODE+2(2,%r11),BASED(.Lnr_syscalls+2)
- jnl sysc_nr_ok # invalid svc number -> do svc 0
+ jnl .Lsysc_nr_ok # invalid svc number -> do svc 0
lh %r8,__PT_INT_CODE+2(%r11) # load new svc number
sla %r8,2
- j sysc_nr_ok # restart svc
+ j .Lsysc_nr_ok # restart svc
#
# _TIF_NOTIFY_RESUME is set, call do_notify_resume
#
-sysc_notify_resume:
+.Lsysc_notify_resume:
lr %r2,%r11 # pass pointer to pt_regs
- l %r1,BASED(.Ldo_notify_resume)
- la %r14,BASED(sysc_return)
+ l %r1,BASED(.Lc_do_notify_resume)
+ la %r14,BASED(.Lsysc_return)
br %r1 # call do_notify_resume
#
# _PIF_PER_TRAP is set, call do_per_trap
#
-sysc_singlestep:
+.Lsysc_singlestep:
ni __PT_FLAGS+3(%r11),255-_PIF_PER_TRAP
lr %r2,%r11 # pass pointer to pt_regs
- l %r1,BASED(.Ldo_per_trap)
- la %r14,BASED(sysc_return)
+ l %r1,BASED(.Lc_do_per_trap)
+ la %r14,BASED(.Lsysc_return)
br %r1 # call do_per_trap
#
# call tracehook_report_syscall_entry/tracehook_report_syscall_exit before
# and after the system call
#
-sysc_tracesys:
- l %r1,BASED(.Ltrace_enter)
+.Lsysc_tracesys:
+ l %r1,BASED(.Lc_trace_enter)
lr %r2,%r11 # pass pointer to pt_regs
la %r3,0
xr %r0,%r0
st %r0,__PT_R2(%r11)
basr %r14,%r1 # call do_syscall_trace_enter
cl %r2,BASED(.Lnr_syscalls)
- jnl sysc_tracenogo
+ jnl .Lsysc_tracenogo
lr %r8,%r2
sll %r8,2
l %r9,0(%r8,%r10)
-sysc_tracego:
+.Lsysc_tracego:
lm %r3,%r7,__PT_R3(%r11)
st %r7,STACK_FRAME_OVERHEAD(%r15)
l %r2,__PT_ORIG_GPR2(%r11)
basr %r14,%r9 # call sys_xxx
st %r2,__PT_R2(%r11) # store return value
-sysc_tracenogo:
+.Lsysc_tracenogo:
tm __TI_flags+3(%r12),_TIF_TRACE
- jz sysc_return
- l %r1,BASED(.Ltrace_exit)
+ jz .Lsysc_return
+ l %r1,BASED(.Lc_trace_exit)
lr %r2,%r11 # pass pointer to pt_regs
- la %r14,BASED(sysc_return)
+ la %r14,BASED(.Lsysc_return)
br %r1 # call do_syscall_trace_exit
#
la %r11,STACK_FRAME_OVERHEAD(%r15)
l %r12,__LC_THREAD_INFO
l %r13,__LC_SVC_NEW_PSW+4
- l %r1,BASED(.Lschedule_tail)
+ l %r1,BASED(.Lc_schedule_tail)
basr %r14,%r1 # call schedule_tail
TRACE_IRQS_ON
ssm __LC_SVC_NEW_PSW # reenable interrupts
tm __PT_PSW+1(%r11),0x01 # forking a kernel thread ?
- jne sysc_tracenogo
+ jne .Lsysc_tracenogo
# it's a kernel thread
lm %r9,%r10,__PT_R9(%r11) # load gprs
ENTRY(kernel_thread_starter)
la %r2,0(%r10)
basr %r14,%r9
- j sysc_tracenogo
+ j .Lsysc_tracenogo
/*
* Program check handler routine
tmh %r8,0x4000 # PER bit set in old PSW ?
jnz 0f # -> enabled, can't be a double fault
tm __LC_PGM_ILC+3,0x80 # check for per exception
- jnz pgm_svcper # -> single stepped svc
+ jnz .Lpgm_svcper # -> single stepped svc
0: CHECK_STACK STACK_SIZE,__LC_SAVE_AREA_SYNC
ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
j 2f
jz 0f
l %r1,__TI_task(%r12)
tmh %r8,0x0001 # kernel per event ?
- jz pgm_kprobe
+ jz .Lpgm_kprobe
oi __PT_FLAGS+3(%r11),_PIF_PER_TRAP
mvc __THREAD_per_address(4,%r1),__LC_PER_ADDRESS
mvc __THREAD_per_cause(2,%r1),__LC_PER_CODE
mvc __THREAD_per_paid(1,%r1),__LC_PER_ACCESS_ID
0: REENABLE_IRQS
xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15)
- l %r1,BASED(.Ljump_table)
+ l %r1,BASED(.Lc_jump_table)
la %r10,0x7f
n %r10,__PT_INT_CODE(%r11)
- je sysc_return
+ je .Lsysc_return
sll %r10,2
l %r1,0(%r10,%r1) # load address of handler routine
lr %r2,%r11 # pass pointer to pt_regs
basr %r14,%r1 # branch to interrupt-handler
- j sysc_return
+ j .Lsysc_return
#
# PER event in supervisor state, must be kprobes
#
-pgm_kprobe:
+.Lpgm_kprobe:
REENABLE_IRQS
xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15)
- l %r1,BASED(.Ldo_per_trap)
+ l %r1,BASED(.Lc_do_per_trap)
lr %r2,%r11 # pass pointer to pt_regs
basr %r14,%r1 # call do_per_trap
- j sysc_return
+ j .Lsysc_return
#
# single stepped system call
#
-pgm_svcper:
+.Lpgm_svcper:
mvc __LC_RETURN_PSW(4),__LC_SVC_NEW_PSW
- mvc __LC_RETURN_PSW+4(4),BASED(.Lsysc_per)
+ mvc __LC_RETURN_PSW+4(4),BASED(.Lc_sysc_per)
lhi %r14,_PIF_SYSCALL | _PIF_PER_TRAP
- lpsw __LC_RETURN_PSW # branch to sysc_per and enable irqs
+ lpsw __LC_RETURN_PSW # branch to .Lsysc_per and enable irqs
/*
* IO interrupt handler routine
l %r13,__LC_SVC_NEW_PSW+4
lm %r8,%r9,__LC_IO_OLD_PSW
tmh %r8,0x0001 # interrupting from user ?
- jz io_skip
+ jz .Lio_skip
UPDATE_VTIME %r14,%r15,__LC_ASYNC_ENTER_TIMER
-io_skip:
+.Lio_skip:
SWITCH_ASYNC __LC_SAVE_AREA_ASYNC,__LC_ASYNC_STACK,STACK_SHIFT
stm %r0,%r7,__PT_R0(%r11)
mvc __PT_R8(32,%r11),__LC_SAVE_AREA_ASYNC
xc __PT_FLAGS(4,%r11),__PT_FLAGS(%r11)
TRACE_IRQS_OFF
xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15)
-io_loop:
- l %r1,BASED(.Ldo_IRQ)
+.Lio_loop:
+ l %r1,BASED(.Lc_do_IRQ)
lr %r2,%r11 # pass pointer to pt_regs
lhi %r3,IO_INTERRUPT
tm __PT_INT_CODE+8(%r11),0x80 # adapter interrupt ?
- jz io_call
+ jz .Lio_call
lhi %r3,THIN_INTERRUPT
-io_call:
+.Lio_call:
basr %r14,%r1 # call do_IRQ
tm __LC_MACHINE_FLAGS+2,0x10 # MACHINE_FLAG_LPAR
- jz io_return
+ jz .Lio_return
tpi 0
- jz io_return
+ jz .Lio_return
mvc __PT_INT_CODE(12,%r11),__LC_SUBCHANNEL_ID
- j io_loop
-io_return:
+ j .Lio_loop
+.Lio_return:
LOCKDEP_SYS_EXIT
TRACE_IRQS_ON
-io_tif:
+.Lio_tif:
tm __TI_flags+3(%r12),_TIF_WORK
- jnz io_work # there is work to do (signals etc.)
+ jnz .Lio_work # there is work to do (signals etc.)
tm __LC_CPU_FLAGS+3,_CIF_WORK
- jnz io_work
-io_restore:
+ jnz .Lio_work
+.Lio_restore:
mvc __LC_RETURN_PSW(8),__PT_PSW(%r11)
stpt __LC_EXIT_TIMER
lm %r0,%r15,__PT_R0(%r11)
lpsw __LC_RETURN_PSW
-io_done:
+.Lio_done:
#
# There is work todo, find out in which context we have been interrupted:
# the preemption counter and if it is zero call preempt_schedule_irq
# Before any work can be done, a switch to the kernel stack is required.
#
-io_work:
+.Lio_work:
tm __PT_PSW+1(%r11),0x01 # returning to user ?
- jo io_work_user # yes -> do resched & signal
+ jo .Lio_work_user # yes -> do resched & signal
#ifdef CONFIG_PREEMPT
# check for preemptive scheduling
icm %r0,15,__TI_precount(%r12)
- jnz io_restore # preemption disabled
+ jnz .Lio_restore # preemption disabled
tm __TI_flags+3(%r12),_TIF_NEED_RESCHED
- jno io_restore
+ jno .Lio_restore
# switch to kernel stack
l %r1,__PT_R15(%r11)
ahi %r1,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1)
la %r11,STACK_FRAME_OVERHEAD(%r1)
lr %r15,%r1
- # TRACE_IRQS_ON already done at io_return, call
+ # TRACE_IRQS_ON already done at .Lio_return, call
# TRACE_IRQS_OFF to keep things symmetrical
TRACE_IRQS_OFF
- l %r1,BASED(.Lpreempt_irq)
+ l %r1,BASED(.Lc_preempt_irq)
basr %r14,%r1 # call preempt_schedule_irq
- j io_return
+ j .Lio_return
#else
- j io_restore
+ j .Lio_restore
#endif
#
# Need to do work before returning to userspace, switch to kernel stack
#
-io_work_user:
+.Lio_work_user:
l %r1,__LC_KERNEL_STACK
mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11)
xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1)
#
# One of the work bits is on. Find out which one.
#
-io_work_tif:
+.Lio_work_tif:
tm __LC_CPU_FLAGS+3(%r12),_CIF_MCCK_PENDING
- jo io_mcck_pending
+ jo .Lio_mcck_pending
tm __TI_flags+3(%r12),_TIF_NEED_RESCHED
- jo io_reschedule
+ jo .Lio_reschedule
tm __TI_flags+3(%r12),_TIF_SIGPENDING
- jo io_sigpending
+ jo .Lio_sigpending
tm __TI_flags+3(%r12),_TIF_NOTIFY_RESUME
- jo io_notify_resume
+ jo .Lio_notify_resume
tm __LC_CPU_FLAGS+3,_CIF_ASCE
- jo io_uaccess
- j io_return # beware of critical section cleanup
+ jo .Lio_uaccess
+ j .Lio_return # beware of critical section cleanup
#
# _CIF_MCCK_PENDING is set, call handler
#
-io_mcck_pending:
- # TRACE_IRQS_ON already done at io_return
- l %r1,BASED(.Lhandle_mcck)
+.Lio_mcck_pending:
+ # TRACE_IRQS_ON already done at .Lio_return
+ l %r1,BASED(.Lc_handle_mcck)
basr %r14,%r1 # TIF bit will be cleared by handler
TRACE_IRQS_OFF
- j io_return
+ j .Lio_return
#
# _CIF_ASCE is set, load user space asce
#
-io_uaccess:
+.Lio_uaccess:
ni __LC_CPU_FLAGS+3,255-_CIF_ASCE
lctl %c1,%c1,__LC_USER_ASCE # load primary asce
- j io_return
+ j .Lio_return
#
# _TIF_NEED_RESCHED is set, call schedule
#
-io_reschedule:
- # TRACE_IRQS_ON already done at io_return
- l %r1,BASED(.Lschedule)
+.Lio_reschedule:
+ # TRACE_IRQS_ON already done at .Lio_return
+ l %r1,BASED(.Lc_schedule)
ssm __LC_SVC_NEW_PSW # reenable interrupts
basr %r14,%r1 # call scheduler
ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts
TRACE_IRQS_OFF
- j io_return
+ j .Lio_return
#
# _TIF_SIGPENDING is set, call do_signal
#
-io_sigpending:
- # TRACE_IRQS_ON already done at io_return
- l %r1,BASED(.Ldo_signal)
+.Lio_sigpending:
+ # TRACE_IRQS_ON already done at .Lio_return
+ l %r1,BASED(.Lc_do_signal)
ssm __LC_SVC_NEW_PSW # reenable interrupts
lr %r2,%r11 # pass pointer to pt_regs
basr %r14,%r1 # call do_signal
ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts
TRACE_IRQS_OFF
- j io_return
+ j .Lio_return
#
# _TIF_SIGPENDING is set, call do_signal
#
-io_notify_resume:
- # TRACE_IRQS_ON already done at io_return
- l %r1,BASED(.Ldo_notify_resume)
+.Lio_notify_resume:
+ # TRACE_IRQS_ON already done at .Lio_return
+ l %r1,BASED(.Lc_do_notify_resume)
ssm __LC_SVC_NEW_PSW # reenable interrupts
lr %r2,%r11 # pass pointer to pt_regs
basr %r14,%r1 # call do_notify_resume
ssm __LC_PGM_NEW_PSW # disable I/O and ext. interrupts
TRACE_IRQS_OFF
- j io_return
+ j .Lio_return
/*
* External interrupt handler routine
l %r13,__LC_SVC_NEW_PSW+4
lm %r8,%r9,__LC_EXT_OLD_PSW
tmh %r8,0x0001 # interrupting from user ?
- jz ext_skip
+ jz .Lext_skip
UPDATE_VTIME %r14,%r15,__LC_ASYNC_ENTER_TIMER
-ext_skip:
+.Lext_skip:
SWITCH_ASYNC __LC_SAVE_AREA_ASYNC,__LC_ASYNC_STACK,STACK_SHIFT
stm %r0,%r7,__PT_R0(%r11)
mvc __PT_R8(32,%r11),__LC_SAVE_AREA_ASYNC
mvc __PT_INT_PARM(4,%r11),__LC_EXT_PARAMS
xc __PT_FLAGS(4,%r11),__PT_FLAGS(%r11)
TRACE_IRQS_OFF
- l %r1,BASED(.Ldo_IRQ)
+ l %r1,BASED(.Lc_do_IRQ)
lr %r2,%r11 # pass pointer to pt_regs
lhi %r3,EXT_INTERRUPT
basr %r14,%r1 # call do_IRQ
- j io_return
+ j .Lio_return
/*
- * Load idle PSW. The second "half" of this function is in cleanup_idle.
+ * Load idle PSW. The second "half" of this function is in .Lcleanup_idle.
*/
ENTRY(psw_idle)
st %r3,__SF_EMPTY(%r15)
basr %r1,0
- la %r1,psw_idle_lpsw+4-.(%r1)
+ la %r1,.Lpsw_idle_lpsw+4-.(%r1)
st %r1,__SF_EMPTY+4(%r15)
oi __SF_EMPTY+4(%r15),0x80
stck __CLOCK_IDLE_ENTER(%r2)
stpt __TIMER_IDLE_ENTER(%r2)
-psw_idle_lpsw:
+.Lpsw_idle_lpsw:
lpsw __SF_EMPTY(%r15)
br %r14
-psw_idle_end:
+.Lpsw_idle_end:
-__critical_end:
+.L__critical_end:
/*
* Machine check handler routines
l %r13,__LC_SVC_NEW_PSW+4
lm %r8,%r9,__LC_MCK_OLD_PSW
tm __LC_MCCK_CODE,0x80 # system damage?
- jo mcck_panic # yes -> rest of mcck code invalid
+ jo .Lmcck_panic # yes -> rest of mcck code invalid
la %r14,__LC_CPU_TIMER_SAVE_AREA
mvc __LC_MCCK_ENTER_TIMER(8),0(%r14)
tm __LC_MCCK_CODE+5,0x02 # stored cpu timer value valid?
2: spt 0(%r14)
mvc __LC_MCCK_ENTER_TIMER(8),0(%r14)
3: tm __LC_MCCK_CODE+2,0x09 # mwp + ia of old psw valid?
- jno mcck_panic # no -> skip cleanup critical
+ jno .Lmcck_panic # no -> skip cleanup critical
tm %r8,0x0001 # interrupting from user ?
- jz mcck_skip
+ jz .Lmcck_skip
UPDATE_VTIME %r14,%r15,__LC_MCCK_ENTER_TIMER
-mcck_skip:
+.Lmcck_skip:
SWITCH_ASYNC __LC_GPREGS_SAVE_AREA+32,__LC_PANIC_STACK,PAGE_SHIFT
stm %r0,%r7,__PT_R0(%r11)
mvc __PT_R8(32,%r11),__LC_GPREGS_SAVE_AREA+32
stm %r8,%r9,__PT_PSW(%r11)
xc __PT_FLAGS(4,%r11),__PT_FLAGS(%r11)
xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15)
- l %r1,BASED(.Ldo_machine_check)
+ l %r1,BASED(.Lc_do_machine_check)
lr %r2,%r11 # pass pointer to pt_regs
basr %r14,%r1 # call s390_do_machine_check
tm __PT_PSW+1(%r11),0x01 # returning to user ?
- jno mcck_return
+ jno .Lmcck_return
l %r1,__LC_KERNEL_STACK # switch to kernel stack
mvc STACK_FRAME_OVERHEAD(__PT_SIZE,%r1),0(%r11)
xc __SF_BACKCHAIN(4,%r1),__SF_BACKCHAIN(%r1)
lr %r15,%r1
ssm __LC_PGM_NEW_PSW # turn dat on, keep irqs off
tm __LC_CPU_FLAGS+3,_CIF_MCCK_PENDING
- jno mcck_return
+ jno .Lmcck_return
TRACE_IRQS_OFF
- l %r1,BASED(.Lhandle_mcck)
+ l %r1,BASED(.Lc_handle_mcck)
basr %r14,%r1 # call s390_handle_mcck
TRACE_IRQS_ON
-mcck_return:
+.Lmcck_return:
mvc __LC_RETURN_MCCK_PSW(8),__PT_PSW(%r11) # move return PSW
tm __LC_RETURN_MCCK_PSW+1,0x01 # returning to user ?
jno 0f
0: lm %r0,%r15,__PT_R0(%r11)
lpsw __LC_RETURN_MCCK_PSW
-mcck_panic:
+.Lmcck_panic:
l %r14,__LC_PANIC_STACK
slr %r14,%r15
sra %r14,PAGE_SHIFT
jz 0f
l %r15,__LC_PANIC_STACK
- j mcck_skip
+ j .Lmcck_skip
0: ahi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
- j mcck_skip
+ j .Lmcck_skip
#
# PSW restart interrupt handler
1: .long kernel_stack_overflow
#endif
-cleanup_table:
+.Lcleanup_table:
.long system_call + 0x80000000
- .long sysc_do_svc + 0x80000000
- .long sysc_tif + 0x80000000
- .long sysc_restore + 0x80000000
- .long sysc_done + 0x80000000
- .long io_tif + 0x80000000
- .long io_restore + 0x80000000
- .long io_done + 0x80000000
+ .long .Lsysc_do_svc + 0x80000000
+ .long .Lsysc_tif + 0x80000000
+ .long .Lsysc_restore + 0x80000000
+ .long .Lsysc_done + 0x80000000
+ .long .Lio_tif + 0x80000000
+ .long .Lio_restore + 0x80000000
+ .long .Lio_done + 0x80000000
.long psw_idle + 0x80000000
- .long psw_idle_end + 0x80000000
+ .long .Lpsw_idle_end + 0x80000000
cleanup_critical:
- cl %r9,BASED(cleanup_table) # system_call
+ cl %r9,BASED(.Lcleanup_table) # system_call
jl 0f
- cl %r9,BASED(cleanup_table+4) # sysc_do_svc
- jl cleanup_system_call
- cl %r9,BASED(cleanup_table+8) # sysc_tif
+ cl %r9,BASED(.Lcleanup_table+4) # .Lsysc_do_svc
+ jl .Lcleanup_system_call
+ cl %r9,BASED(.Lcleanup_table+8) # .Lsysc_tif
jl 0f
- cl %r9,BASED(cleanup_table+12) # sysc_restore
- jl cleanup_sysc_tif
- cl %r9,BASED(cleanup_table+16) # sysc_done
- jl cleanup_sysc_restore
- cl %r9,BASED(cleanup_table+20) # io_tif
+ cl %r9,BASED(.Lcleanup_table+12) # .Lsysc_restore
+ jl .Lcleanup_sysc_tif
+ cl %r9,BASED(.Lcleanup_table+16) # .Lsysc_done
+ jl .Lcleanup_sysc_restore
+ cl %r9,BASED(.Lcleanup_table+20) # .Lio_tif
jl 0f
- cl %r9,BASED(cleanup_table+24) # io_restore
- jl cleanup_io_tif
- cl %r9,BASED(cleanup_table+28) # io_done
- jl cleanup_io_restore
- cl %r9,BASED(cleanup_table+32) # psw_idle
+ cl %r9,BASED(.Lcleanup_table+24) # .Lio_restore
+ jl .Lcleanup_io_tif
+ cl %r9,BASED(.Lcleanup_table+28) # .Lio_done
+ jl .Lcleanup_io_restore
+ cl %r9,BASED(.Lcleanup_table+32) # psw_idle
jl 0f
- cl %r9,BASED(cleanup_table+36) # psw_idle_end
- jl cleanup_idle
+ cl %r9,BASED(.Lcleanup_table+36) # .Lpsw_idle_end
+ jl .Lcleanup_idle
0: br %r14
-cleanup_system_call:
+.Lcleanup_system_call:
# check if stpt has been executed
- cl %r9,BASED(cleanup_system_call_insn)
+ cl %r9,BASED(.Lcleanup_system_call_insn)
jh 0f
mvc __LC_SYNC_ENTER_TIMER(8),__LC_ASYNC_ENTER_TIMER
chi %r11,__LC_SAVE_AREA_ASYNC
je 0f
mvc __LC_SYNC_ENTER_TIMER(8),__LC_MCCK_ENTER_TIMER
0: # check if stm has been executed
- cl %r9,BASED(cleanup_system_call_insn+4)
+ cl %r9,BASED(.Lcleanup_system_call_insn+4)
jh 0f
mvc __LC_SAVE_AREA_SYNC(32),0(%r11)
0: # set up saved registers r12, and r13
st %r12,16(%r11) # r12 thread-info pointer
st %r13,20(%r11) # r13 literal-pool pointer
# check if the user time calculation has been done
- cl %r9,BASED(cleanup_system_call_insn+8)
+ cl %r9,BASED(.Lcleanup_system_call_insn+8)
jh 0f
l %r10,__LC_EXIT_TIMER
l %r15,__LC_EXIT_TIMER+4
st %r10,__LC_USER_TIMER
st %r15,__LC_USER_TIMER+4
0: # check if the system time calculation has been done
- cl %r9,BASED(cleanup_system_call_insn+12)
+ cl %r9,BASED(.Lcleanup_system_call_insn+12)
jh 0f
l %r10,__LC_LAST_UPDATE_TIMER
l %r15,__LC_LAST_UPDATE_TIMER+4
# setup saved register 15
st %r15,28(%r11) # r15 stack pointer
# set new psw address and exit
- l %r9,BASED(cleanup_table+4) # sysc_do_svc + 0x80000000
+ l %r9,BASED(.Lcleanup_table+4) # .Lsysc_do_svc + 0x80000000
br %r14
-cleanup_system_call_insn:
+.Lcleanup_system_call_insn:
.long system_call + 0x80000000
- .long sysc_stm + 0x80000000
- .long sysc_vtime + 0x80000000 + 36
- .long sysc_vtime + 0x80000000 + 76
+ .long .Lsysc_stm + 0x80000000
+ .long .Lsysc_vtime + 0x80000000 + 36
+ .long .Lsysc_vtime + 0x80000000 + 76
-cleanup_sysc_tif:
- l %r9,BASED(cleanup_table+8) # sysc_tif + 0x80000000
+.Lcleanup_sysc_tif:
+ l %r9,BASED(.Lcleanup_table+8) # .Lsysc_tif + 0x80000000
br %r14
-cleanup_sysc_restore:
- cl %r9,BASED(cleanup_sysc_restore_insn)
+.Lcleanup_sysc_restore:
+ cl %r9,BASED(.Lcleanup_sysc_restore_insn)
jhe 0f
l %r9,12(%r11) # get saved pointer to pt_regs
mvc __LC_RETURN_PSW(8),__PT_PSW(%r9)
lm %r0,%r7,__PT_R0(%r9)
0: lm %r8,%r9,__LC_RETURN_PSW
br %r14
-cleanup_sysc_restore_insn:
- .long sysc_done - 4 + 0x80000000
+.Lcleanup_sysc_restore_insn:
+ .long .Lsysc_done - 4 + 0x80000000
-cleanup_io_tif:
- l %r9,BASED(cleanup_table+20) # io_tif + 0x80000000
+.Lcleanup_io_tif:
+ l %r9,BASED(.Lcleanup_table+20) # .Lio_tif + 0x80000000
br %r14
-cleanup_io_restore:
- cl %r9,BASED(cleanup_io_restore_insn)
+.Lcleanup_io_restore:
+ cl %r9,BASED(.Lcleanup_io_restore_insn)
jhe 0f
l %r9,12(%r11) # get saved r11 pointer to pt_regs
mvc __LC_RETURN_PSW(8),__PT_PSW(%r9)
lm %r0,%r7,__PT_R0(%r9)
0: lm %r8,%r9,__LC_RETURN_PSW
br %r14
-cleanup_io_restore_insn:
- .long io_done - 4 + 0x80000000
+.Lcleanup_io_restore_insn:
+ .long .Lio_done - 4 + 0x80000000
-cleanup_idle:
+.Lcleanup_idle:
# copy interrupt clock & cpu timer
mvc __CLOCK_IDLE_EXIT(8,%r2),__LC_INT_CLOCK
mvc __TIMER_IDLE_EXIT(8,%r2),__LC_ASYNC_ENTER_TIMER
mvc __CLOCK_IDLE_EXIT(8,%r2),__LC_MCCK_CLOCK
mvc __TIMER_IDLE_EXIT(8,%r2),__LC_MCCK_ENTER_TIMER
0: # check if stck has been executed
- cl %r9,BASED(cleanup_idle_insn)
+ cl %r9,BASED(.Lcleanup_idle_insn)
jhe 1f
mvc __CLOCK_IDLE_ENTER(8,%r2),__CLOCK_IDLE_EXIT(%r2)
mvc __TIMER_IDLE_ENTER(8,%r2),__TIMER_IDLE_EXIT(%r3)
stm %r9,%r10,__LC_SYSTEM_TIMER
mvc __LC_LAST_UPDATE_TIMER(8),__TIMER_IDLE_EXIT(%r2)
# prepare return psw
- n %r8,BASED(cleanup_idle_wait) # clear irq & wait state bits
+ n %r8,BASED(.Lcleanup_idle_wait) # clear irq & wait state bits
l %r9,24(%r11) # return from psw_idle
br %r14
-cleanup_idle_insn:
- .long psw_idle_lpsw + 0x80000000
-cleanup_idle_wait:
+.Lcleanup_idle_insn:
+ .long .Lpsw_idle_lpsw + 0x80000000
+.Lcleanup_idle_wait:
.long 0xfcfdffff
/*
/*
* Symbol constants
*/
-.Ldo_machine_check: .long s390_do_machine_check
-.Lhandle_mcck: .long s390_handle_mcck
-.Ldo_IRQ: .long do_IRQ
-.Ldo_signal: .long do_signal
-.Ldo_notify_resume: .long do_notify_resume
-.Ldo_per_trap: .long do_per_trap
-.Ljump_table: .long pgm_check_table
-.Lschedule: .long schedule
+.Lc_do_machine_check: .long s390_do_machine_check
+.Lc_handle_mcck: .long s390_handle_mcck
+.Lc_do_IRQ: .long do_IRQ
+.Lc_do_signal: .long do_signal
+.Lc_do_notify_resume: .long do_notify_resume
+.Lc_do_per_trap: .long do_per_trap
+.Lc_jump_table: .long pgm_check_table
+.Lc_schedule: .long schedule
#ifdef CONFIG_PREEMPT
-.Lpreempt_irq: .long preempt_schedule_irq
+.Lc_preempt_irq: .long preempt_schedule_irq
#endif
-.Ltrace_enter: .long do_syscall_trace_enter
-.Ltrace_exit: .long do_syscall_trace_exit
-.Lschedule_tail: .long schedule_tail
-.Lsysc_per: .long sysc_per + 0x80000000
+.Lc_trace_enter: .long do_syscall_trace_enter
+.Lc_trace_exit: .long do_syscall_trace_exit
+.Lc_schedule_tail: .long schedule_tail
+.Lc_sysc_per: .long .Lsysc_per + 0x80000000
#ifdef CONFIG_TRACE_IRQFLAGS
-.Lhardirqs_on: .long trace_hardirqs_on_caller
-.Lhardirqs_off: .long trace_hardirqs_off_caller
+.Lc_hardirqs_on: .long trace_hardirqs_on_caller
+.Lc_hardirqs_off: .long trace_hardirqs_off_caller
#endif
#ifdef CONFIG_LOCKDEP
-.Llockdep_sys_exit: .long lockdep_sys_exit
+.Lc_lockdep_sys_exit: .long lockdep_sys_exit
#endif
-.Lcritical_start: .long __critical_start + 0x80000000
-.Lcritical_length: .long __critical_end - __critical_start
+.Lc_critical_start: .long .L__critical_start + 0x80000000
+.Lc_critical_length: .long .L__critical_end - .L__critical_start
.section .rodata, "a"
#define SYSCALL(esa,esame,emu) .long esa
projects / cascardo / linux.git / blobdiff