[MIPS] TRACE_IRQFLAGS_SUPPORT support. (192ef366) · Commits · e / devices / android_kernel_fairphone_FP5

arch/mips/Kconfig.debug

+4 −0

Original line number	Original line	Diff line number	Diff line
	menu "Kernel hacking"		menu "Kernel hacking"

			config TRACE_IRQFLAGS_SUPPORT
			bool
			default y

	source "lib/Kconfig.debug"		source "lib/Kconfig.debug"

	config CROSSCOMPILE		config CROSSCOMPILE

+15 −0

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	@@ -113,6 +113,21 @@ FEXPORT(restore_all) # restore full frame
	RESTORE_AT		RESTORE_AT
	RESTORE_STATIC		RESTORE_STATIC
	FEXPORT(restore_partial) # restore partial frame		FEXPORT(restore_partial) # restore partial frame
			#ifdef CONFIG_TRACE_IRQFLAGS
			SAVE_STATIC
			SAVE_AT
			SAVE_TEMP
			LONG_L v0, PT_STATUS(sp)
			and v0, 1
			beqz v0, 1f
			jal trace_hardirqs_on
			b 2f
			1: jal trace_hardirqs_off
			2:
			RESTORE_TEMP
			RESTORE_AT
			RESTORE_STATIC
			#endif
	RESTORE_SOME		RESTORE_SOME
	RESTORE_SP_AND_RET		RESTORE_SP_AND_RET
	.set at		.set at

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -7,6 +7,7 @@

	#include <asm/asm.h>		#include <asm/asm.h>
	#include <asm/errno.h>		#include <asm/errno.h>
			#include <asm/irqflags.h>
	#include <asm/mipsregs.h>		#include <asm/mipsregs.h>
	#include <asm/regdef.h>		#include <asm/regdef.h>
	#include <asm/stackframe.h>		#include <asm/stackframe.h>
	@@ -120,6 +121,7 @@
	LONG_S $31, GDB_FR_REG31(sp)		LONG_S $31, GDB_FR_REG31(sp)

	CLI /* disable interrupts */		CLI /* disable interrupts */
			TRACE_IRQS_OFF

	/*		/*
	* Followed by the floating point registers		* Followed by the floating point registers

+6 −0

Original line number	Original line	Diff line number	Diff line
	@@ -13,6 +13,7 @@
	#include <asm/asm.h>		#include <asm/asm.h>
	#include <asm/asmmacro.h>		#include <asm/asmmacro.h>
	#include <asm/cacheops.h>		#include <asm/cacheops.h>
			#include <asm/irqflags.h>
	#include <asm/regdef.h>		#include <asm/regdef.h>
	#include <asm/fpregdef.h>		#include <asm/fpregdef.h>
	#include <asm/mipsregs.h>		#include <asm/mipsregs.h>
	@@ -128,6 +129,7 @@ handle_vcei:
	NESTED(handle_int, PT_SIZE, sp)		NESTED(handle_int, PT_SIZE, sp)
	SAVE_ALL		SAVE_ALL
	CLI		CLI
			TRACE_IRQS_OFF

	PTR_LA ra, ret_from_irq		PTR_LA ra, ret_from_irq
	move a0, sp		move a0, sp
	@@ -216,6 +218,7 @@ NESTED(except_vec_vi_handler, 0, sp)
	_ehb		_ehb
	#endif /* CONFIG_MIPS_MT_SMTC */		#endif /* CONFIG_MIPS_MT_SMTC */
	CLI		CLI
			TRACE_IRQS_OFF
	move a0, sp		move a0, sp
	jalr v0		jalr v0
	j ret_from_irq		j ret_from_irq
	@@ -288,11 +291,13 @@ NESTED(nmi_handler, PT_SIZE, sp)
	.endm		.endm

	.macro __build_clear_sti		.macro __build_clear_sti
			TRACE_IRQS_ON
	STI		STI
	.endm		.endm

	.macro __build_clear_cli		.macro __build_clear_cli
	CLI		CLI
			TRACE_IRQS_OFF
	.endm		.endm

	.macro __build_clear_fpe		.macro __build_clear_fpe
	@@ -300,6 +305,7 @@ NESTED(nmi_handler, PT_SIZE, sp)
	li a2, ~(0x3f << 12)		li a2, ~(0x3f << 12)
	and a2, a1		and a2, a1
	ctc1 a2, fcr31		ctc1 a2, fcr31
			TRACE_IRQS_ON
	STI		STI
	.endm		.endm

+2 −1

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	@@ -5,7 +5,7 @@
	*		*
	* Copyright (C) 1994, 1995 Waldorf Electronics		* Copyright (C) 1994, 1995 Waldorf Electronics
	* Written by Ralf Baechle and Andreas Busse		* Written by Ralf Baechle and Andreas Busse
	* Copyright (C) 1994, 95, 96, 97, 98, 99, 2003 Ralf Baechle		* Copyright (C) 1994 - 99, 2003, 06 Ralf Baechle
	* Copyright (C) 1996 Paul M. Antoine		* Copyright (C) 1996 Paul M. Antoine
	* Modified for DECStation and hence R3000 support by Paul M. Antoine		* Modified for DECStation and hence R3000 support by Paul M. Antoine
	* Further modifications by David S. Miller and Harald Koerfgen		* Further modifications by David S. Miller and Harald Koerfgen
	@@ -18,6 +18,7 @@

	#include <asm/asm.h>		#include <asm/asm.h>
	#include <asm/asmmacro.h>		#include <asm/asmmacro.h>
			#include <asm/irqflags.h>
	#include <asm/regdef.h>		#include <asm/regdef.h>
	#include <asm/page.h>		#include <asm/page.h>
	#include <asm/mipsregs.h>		#include <asm/mipsregs.h>