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Commit 441504df authored by Yi Li's avatar Yi Li Committed by Mike Frysinger
Browse files

Blackfin: add support for irqflags tracing 



Signed-off-by: default avatarYi Li <yi.li@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 5aff1642

arch/blackfin/include/asm/context.S

+12 −0
Original line number Diff line number Diff line
@@ -72,6 +72,11 @@ 
	sti r0;

#else

	cli r0;

#endif

#ifdef CONFIG_TRACE_IRQFLAGS

	sp += -12;

	call _trace_hardirqs_off;

	sp += 12;

#endif

	[--sp] = RETI;  /*orig_pc*/

	/* Clear all L registers.  */
@@ -279,6 +284,13 @@ 
	RETN = [sp++];

	RETX = [sp++];

	RETI = [sp++];



#ifdef CONFIG_TRACE_IRQFLAGS

	sp += -12;

	call _trace_hardirqs_on;

	sp += 12;

#endif



	RETS = [sp++];



#ifdef CONFIG_SMP

arch/blackfin/mach-common/entry.S

+15 −0
Original line number Diff line number Diff line
@@ -965,6 +965,13 @@ ENTRY(_evt_evt14) 
	sti r0;

#else

	cli r0;

#endif

#ifdef CONFIG_TRACE_IRQFLAGS

	[--sp] = rets;

	sp += -12;

	call _trace_hardirqs_off;

	sp += 12;

	rets = [sp++];

#endif

	[--sp] = RETI;

	SP += 4;
@@ -989,6 +996,14 @@ ENTRY(_schedule_and_signal_from_int) 
	p1 = rets;

	[sp + PT_RESERVED] = p1;



#ifdef CONFIG_TRACE_IRQFLAGS

	/* trace_hardirqs_on() checks if all irqs are disabled. But here IRQ 15

	 * is turned on, so disable all irqs. */

	cli r0;

	sp += -12;

	call _trace_hardirqs_on;

	sp += 12;

#endif

#ifdef CONFIG_SMP

	GET_PDA(p0, r0); 	/* Fetch current PDA (can't migrate to other CPU here) */

	r0 = [p0 + PDA_IRQFLAGS];

arch/blackfin/mach-common/interrupt.S

+7 −0
Original line number Diff line number Diff line
@@ -87,6 +87,13 @@ __common_int_entry: 
	sti r1;

#else

	cli r1;

#endif

#ifdef CONFIG_TRACE_IRQFLAGS

	[--sp] = r0;

	sp += -12;

	call _trace_hardirqs_off;

	sp += 12;

	r0 = [sp++];

#endif

	[--sp] = RETI;  /* orig_pc */

	/* Clear all L registers.  */