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Commit a80a635f authored by Jesper Nilsson's avatar Jesper Nilsson
Browse files

CRIS: Add debug for assembler functions

parent b4973ae9
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+5 −0
Original line number Diff line number Diff line
	.global cris_flush_cache_range
	.type	cris_flush_cache_range, @function
cris_flush_cache_range:
	move.d 1024, $r12
	cmp.d $r11, $r12
@@ -80,8 +81,10 @@ cris_flush_1KB:
	addq 32, $r10
	ba cris_flush_cache_range
	sub.d $r12, $r11
	.size	cris_flush_cache_range, . - cris_flush_cache_range

	.global cris_flush_cache
	.type	cris_flush_cache, @function
cris_flush_cache:
	moveq 0, $r10
cris_flush_line:
@@ -92,3 +95,5 @@ cris_flush_line:
	fidxd [$r10]
	ret
	nop
	.size	cris_flush_cache, . - cris_flush_cache
+24 −1
Original line number Diff line number Diff line
@@ -76,12 +76,15 @@ _need_resched:

	; Called at exit from fork. schedule_tail must be called to drop
	; spinlock if CONFIG_PREEMPT.
	.type	ret_from_fork,@function
ret_from_fork:
	jsr schedule_tail
	nop
	ba  ret_from_sys_call
	nop
	.size	ret_from_fork, . - ret_from_fork

	.type	ret_from_intr,@function
ret_from_intr:
	;; Check for resched if preemptive kernel, or if we're going back to
	;; user-mode. This test matches the user_regs(regs) macro. Don't simply
@@ -91,9 +94,10 @@ ret_from_intr:
	move.d	[$acr], $r0
	btstq	16, $r0			; User-mode flag.
	bpl	_resume_kernel
	.size	ret_from_intr, . - ret_from_intr + 2	; +2 includes the dslot.

	; Note that di below is in delay slot.

	.type	_resume_userspace,@function
_resume_userspace:
	di			; So need_resched and sigpending don't change.

@@ -107,6 +111,7 @@ _resume_userspace:
	nop
	ba	_Rexit
	nop
	.size	_resume_userspace, . - _resume_userspace

	;; The system_call is called by a BREAK instruction, which looks pretty
	;; much like any other exception.
@@ -122,6 +127,7 @@ _resume_userspace:
	;; non-used instructions. Only the non-common cases cause the outlined code
	;; to run..

	.type	system_call,@function
system_call:
	;; Stack-frame similar to the irq heads, which is reversed in
	;; ret_from_sys_call.
@@ -217,7 +223,9 @@ ret_from_sys_call:
	and.d	_TIF_ALLWORK_MASK, $r1
	bne	_syscall_exit_work
	nop
	.size	system_call, . - system_call

	.type	_Rexit,@function
_Rexit:
	;; This epilogue MUST match the prologues in multiple_interrupt, irq.h
	;; and ptregs.h.
@@ -234,10 +242,12 @@ _Rexit:
	addq    8, $sp		; Skip EXS, EDA.
	jump	$erp
	rfe			; Restore condition code stack in delay-slot.
	.size	_Rexit, . - _Rexit

	;; We get here after doing a syscall if extra work might need to be done
	;; perform syscall exit tracing if needed.

	.type	_syscall_exit_work,@function
_syscall_exit_work:
	;; R0 contains current at this point and irq's are disabled.

@@ -253,14 +263,18 @@ _syscall_exit_work:
	move.d	$r1, $r9
	ba	_resume_userspace
	nop
	.size	_syscall_exit_work, . - _syscall_exit_work

	.type	_work_pending,@function
_work_pending:
	addoq	+TI_flags, $r0, $acr
	move.d	[$acr], $r10
	btstq	TIF_NEED_RESCHED, $r10	; Need resched?
	bpl	_work_notifysig		; No, must be signal/notify.
	nop
	.size	_work_pending, . - _work_pending

	.type	_work_resched,@function
_work_resched:
	move.d	$r9, $r1		; Preserve R9.
	jsr	schedule
@@ -276,7 +290,9 @@ _work_resched:
	btstq	TIF_NEED_RESCHED, $r1
	bmi	_work_resched		; current->work.need_resched.
	nop
	.size	_work_resched, . - _work_resched

	.type	_work_notifysig,@function
_work_notifysig:
	;; Deal with pending signals and notify-resume requests.

@@ -288,6 +304,7 @@ _work_notifysig:

	ba _Rexit
	nop
	.size	_work_notifysig, . - _work_notifysig

	;; We get here as a sidetrack when we've entered a syscall with the
	;; trace-bit set. We need to call do_syscall_trace and then continue
@@ -329,6 +346,7 @@ _syscall_trace_entry:
	;;
	;; Returns old current in R10.

	.type	resume,@function
resume:
	subq	4, $sp
	move	$srp, [$sp]		; Keep old/new PC on the stack.
@@ -364,6 +382,7 @@ resume:
	move.d	[$sp+], $acr
	jump	$acr			; Restore PC.
	nop
	.size	resume, . - resume

nmi_interrupt:

@@ -426,6 +445,7 @@ spurious_interrupt:
	;; time. Jump to the first set interrupt bit in a priotiry fashion. The
	;; hardware will call the unserved interrupts after the handler
	;; finishes.
	.type	multiple_interrupt, @function
multiple_interrupt:
	;; This prologue MUST match the one in irq.h and the struct in ptregs.h!
	subq	12, $sp		; Skip EXS, EDA.
@@ -458,6 +478,7 @@ multiple_interrupt:
	move.d	$sp, $r10
	jump    ret_from_intr
	nop
	.size	multiple_interrupt, . - multiple_interrupt

do_sigtrap:
	;; Sigtraps the process that executed the BREAK instruction. Creates a
@@ -514,11 +535,13 @@ _ugdb_handle_exception:
	move.d	[$sp+], $r0		; Restore R0 in delay slot.

	.global kernel_execve
	.type	kernel_execve,@function
kernel_execve:
	move.d __NR_execve, $r9
	break 13
	ret
	nop
	.size	kernel_execve, . - kernel_execve

	.data