X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-mips%2Fasmmacro-64.h;h=bbed35511f5a79d61b22437de45d6a1c96a86ca4;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=10b71cc877bc1711dddfae0b35187f38402b4b44;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/include/asm-mips/asmmacro-64.h b/include/asm-mips/asmmacro-64.h
index 10b71cc87..bbed35511 100644
--- a/include/asm-mips/asmmacro-64.h
+++ b/include/asm-mips/asmmacro-64.h
@@ -15,6 +15,7 @@
 
 	.macro	fpu_save_16even thread tmp=t0
 	cfc1	\tmp, fcr31
+	sdc1	$f0,  THREAD_FPR0(\thread)
 	sdc1	$f2,  THREAD_FPR2(\thread)
 	sdc1	$f4,  THREAD_FPR4(\thread)
 	sdc1	$f6,  THREAD_FPR6(\thread)
@@ -52,6 +53,14 @@
 	sdc1	$f31, THREAD_FPR31(\thread)
 	.endm
 
+	.macro	fpu_save_double thread status tmp1 tmp2
+	sll	\tmp2, \tmp1, 5
+	bgez	\tmp2, 2f
+	fpu_save_16odd \thread
+2:
+	fpu_save_16even \thread \tmp1			# clobbers t1
+	.endm
+
 	.macro	fpu_restore_16even thread tmp=t0
 	lw	\tmp, THREAD_FCR31(\thread)
 	ldc1	$f0,  THREAD_FPR0(\thread)
@@ -92,6 +101,15 @@
 	ldc1	$f31, THREAD_FPR31(\thread)
 	.endm
 
+	.macro	fpu_restore_double thread tmp
+	mfc0	t0, CP0_STATUS
+	sll	t1, t0, 5
+	bgez	t1, 1f				# 16 register mode?
+
+	fpu_restore_16odd a0
+1:	fpu_restore_16even a0, t0		# clobbers t0
+	.endm
+
 	.macro	cpu_save_nonscratch thread
 	LONG_S	s0, THREAD_REG16(\thread)
 	LONG_S	s1, THREAD_REG17(\thread)