CRIS: Add debug for assembler functions
Signed-off-by: Edgar Iglesias <Edgar.Iglesias@axis.com> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
This commit is contained in:
Jesper Nilsson
parent
b4973ae9da
commit
a80a635f3d
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@ -1,4 +1,5 @@
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.global cris_flush_cache_range
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.type cris_flush_cache_range, @function
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cris_flush_cache_range:
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move.d 1024, $r12
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cmp.d $r11, $r12
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@ -80,8 +81,10 @@ cris_flush_1KB:
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addq 32, $r10
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ba cris_flush_cache_range
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sub.d $r12, $r11
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.size cris_flush_cache_range, . - cris_flush_cache_range
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.global cris_flush_cache
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.type cris_flush_cache, @function
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cris_flush_cache:
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moveq 0, $r10
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cris_flush_line:
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@ -92,3 +95,5 @@ cris_flush_line:
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fidxd [$r10]
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ret
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nop
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.size cris_flush_cache, . - cris_flush_cache
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@ -76,12 +76,15 @@ _need_resched:
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; Called at exit from fork. schedule_tail must be called to drop
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; spinlock if CONFIG_PREEMPT.
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.type ret_from_fork,@function
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ret_from_fork:
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jsr schedule_tail
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nop
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ba ret_from_sys_call
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nop
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.size ret_from_fork, . - ret_from_fork
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.type ret_from_intr,@function
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ret_from_intr:
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;; Check for resched if preemptive kernel, or if we're going back to
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;; user-mode. This test matches the user_regs(regs) macro. Don't simply
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@ -91,9 +94,10 @@ ret_from_intr:
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move.d [$acr], $r0
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btstq 16, $r0 ; User-mode flag.
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bpl _resume_kernel
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.size ret_from_intr, . - ret_from_intr + 2 ; +2 includes the dslot.
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; Note that di below is in delay slot.
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.type _resume_userspace,@function
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_resume_userspace:
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di ; So need_resched and sigpending don't change.
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@ -107,6 +111,7 @@ _resume_userspace:
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nop
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ba _Rexit
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nop
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.size _resume_userspace, . - _resume_userspace
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;; The system_call is called by a BREAK instruction, which looks pretty
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;; much like any other exception.
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@ -122,6 +127,7 @@ _resume_userspace:
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;; non-used instructions. Only the non-common cases cause the outlined code
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;; to run..
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.type system_call,@function
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system_call:
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;; Stack-frame similar to the irq heads, which is reversed in
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;; ret_from_sys_call.
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@ -217,7 +223,9 @@ ret_from_sys_call:
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and.d _TIF_ALLWORK_MASK, $r1
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bne _syscall_exit_work
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nop
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.size system_call, . - system_call
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.type _Rexit,@function
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_Rexit:
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;; This epilogue MUST match the prologues in multiple_interrupt, irq.h
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;; and ptregs.h.
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@ -234,10 +242,12 @@ _Rexit:
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addq 8, $sp ; Skip EXS, EDA.
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jump $erp
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rfe ; Restore condition code stack in delay-slot.
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.size _Rexit, . - _Rexit
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;; We get here after doing a syscall if extra work might need to be done
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;; perform syscall exit tracing if needed.
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.type _syscall_exit_work,@function
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_syscall_exit_work:
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;; R0 contains current at this point and irq's are disabled.
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@ -253,14 +263,18 @@ _syscall_exit_work:
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move.d $r1, $r9
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ba _resume_userspace
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nop
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.size _syscall_exit_work, . - _syscall_exit_work
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.type _work_pending,@function
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_work_pending:
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r10
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btstq TIF_NEED_RESCHED, $r10 ; Need resched?
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bpl _work_notifysig ; No, must be signal/notify.
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nop
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.size _work_pending, . - _work_pending
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.type _work_resched,@function
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_work_resched:
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move.d $r9, $r1 ; Preserve R9.
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jsr schedule
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@ -276,7 +290,9 @@ _work_resched:
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btstq TIF_NEED_RESCHED, $r1
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bmi _work_resched ; current->work.need_resched.
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nop
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.size _work_resched, . - _work_resched
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.type _work_notifysig,@function
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_work_notifysig:
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;; Deal with pending signals and notify-resume requests.
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@ -288,6 +304,7 @@ _work_notifysig:
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ba _Rexit
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nop
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.size _work_notifysig, . - _work_notifysig
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;; We get here as a sidetrack when we've entered a syscall with the
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;; trace-bit set. We need to call do_syscall_trace and then continue
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@ -329,6 +346,7 @@ _syscall_trace_entry:
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;;
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;; Returns old current in R10.
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.type resume,@function
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resume:
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subq 4, $sp
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move $srp, [$sp] ; Keep old/new PC on the stack.
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@ -364,6 +382,7 @@ resume:
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move.d [$sp+], $acr
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jump $acr ; Restore PC.
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nop
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.size resume, . - resume
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nmi_interrupt:
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@ -426,6 +445,7 @@ spurious_interrupt:
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;; time. Jump to the first set interrupt bit in a priotiry fashion. The
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;; hardware will call the unserved interrupts after the handler
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;; finishes.
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.type multiple_interrupt, @function
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multiple_interrupt:
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;; This prologue MUST match the one in irq.h and the struct in ptregs.h!
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subq 12, $sp ; Skip EXS, EDA.
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@ -458,6 +478,7 @@ multiple_interrupt:
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move.d $sp, $r10
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jump ret_from_intr
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nop
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.size multiple_interrupt, . - multiple_interrupt
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do_sigtrap:
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;; Sigtraps the process that executed the BREAK instruction. Creates a
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@ -514,11 +535,13 @@ _ugdb_handle_exception:
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move.d [$sp+], $r0 ; Restore R0 in delay slot.
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.global kernel_execve
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.type kernel_execve,@function
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kernel_execve:
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move.d __NR_execve, $r9
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break 13
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ret
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nop
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.size kernel_execve, . - kernel_execve
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.data
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