X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fsh%2Finclude%2Fasm%2Fentry-macros.S;h=cc43a55e1fcf4e21b102659193df16e786194e03;hb=a2767cfb1d9d97c3f861743f1ad595a80b75ec99;hp=3a4752a657220e10729a00fbdb3507b3aa7df1b8;hpb=0197f21ca5c5ed0df2a14a60ef073e8163e6533b;p=safe%2Fjmp%2Flinux-2.6

diff --git a/arch/sh/include/asm/entry-macros.S b/arch/sh/include/asm/entry-macros.S
index 3a4752a..cc43a55 100644
--- a/arch/sh/include/asm/entry-macros.S
+++ b/arch/sh/include/asm/entry-macros.S
@@ -7,7 +7,7 @@
 	.endm
 
 	.macro	sti
-	mov	#0xf0, r11
+	mov	#0xfffffff0, r11
 	extu.b	r11, r11
 	not	r11, r11
 	stc	sr, r10
@@ -31,8 +31,92 @@
 #endif	
 	.endm
 
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+	.macro	TRACE_IRQS_ON
+	mov.l	r0, @-r15
+	mov.l	r1, @-r15
+	mov.l	r2, @-r15
+	mov.l	r3, @-r15
+	mov.l	r4, @-r15
+	mov.l	r5, @-r15
+	mov.l	r6, @-r15
+	mov.l	r7, @-r15
+
+	mov.l   7834f, r0
+	jsr	@r0
+	 nop
+
+	mov.l	@r15+, r7
+	mov.l	@r15+, r6
+	mov.l	@r15+, r5
+	mov.l	@r15+, r4
+	mov.l	@r15+, r3
+	mov.l	@r15+, r2
+	mov.l	@r15+, r1
+	mov.l	@r15+, r0
+	mov.l	7834f, r0
+
+	bra	7835f
+	 nop
+	.balign	4
+7834:	.long	trace_hardirqs_on
+7835:
+	.endm
+	.macro	TRACE_IRQS_OFF
+
+	mov.l	r0, @-r15
+	mov.l	r1, @-r15
+	mov.l	r2, @-r15
+	mov.l	r3, @-r15
+	mov.l	r4, @-r15
+	mov.l	r5, @-r15
+	mov.l	r6, @-r15
+	mov.l	r7, @-r15
+
+	mov.l	7834f, r0
+	jsr	@r0
+	 nop
+
+	mov.l	@r15+, r7
+	mov.l	@r15+, r6
+	mov.l	@r15+, r5
+	mov.l	@r15+, r4
+	mov.l	@r15+, r3
+	mov.l	@r15+, r2
+	mov.l	@r15+, r1
+	mov.l	@r15+, r0
+	mov.l	7834f, r0
+
+	bra	7835f
+	 nop
+	.balign	4
+7834:	.long	trace_hardirqs_off
+7835:
+	.endm
+
+#else
+	.macro	TRACE_IRQS_ON
+	.endm
+
+	.macro	TRACE_IRQS_OFF
+	.endm
+#endif
+
 #if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4)
 # define PREF(x)	pref	@x
 #else
 # define PREF(x)	nop
 #endif
+
+	/*
+	 * Macro for use within assembly. Because the DWARF unwinder
+	 * needs to use the frame register to unwind the stack, we
+	 * need to setup r14 with the value of the stack pointer as
+	 * the return address is usually on the stack somewhere.
+	 */
+	.macro	setup_frame_reg
+#ifdef CONFIG_DWARF_UNWINDER
+	mov	r15, r14
+#endif
+	.endm