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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-28 23:40:39 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-28 23:40:39 +0200
commitebdea46fecae40c4d7effcd33f40918a37a1df4b (patch)
treee4312bf7f1f3d184738963a0ec300aa9fdfd55c1 /arch/arm/vfp/vfp.h
parentMerge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-mmc (diff)
parentMerge nommu branch (diff)
downloadlinux-ebdea46fecae40c4d7effcd33f40918a37a1df4b.tar.xz
linux-ebdea46fecae40c4d7effcd33f40918a37a1df4b.zip
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (130 commits) [ARM] 3856/1: Add clocksource for Intel IXP4xx platforms [ARM] 3855/1: Add generic time support [ARM] 3873/1: S3C24XX: Add irq_chip names [ARM] 3872/1: S3C24XX: Apply consistant tabbing to irq_chips [ARM] 3871/1: S3C24XX: Fix ordering of EINT4..23 [ARM] nommu: confirms the CR_V bit in nommu mode [ARM] nommu: abort handler fixup for !CPU_CP15_MMU cores. [ARM] 3870/1: AT91: Start removing static memory mappings [ARM] 3869/1: AT91: NAND support for DK and KB9202 boards [ARM] 3868/1: AT91 hardware header update [ARM] 3867/1: AT91 GPIO update [ARM] 3866/1: AT91 clock update [ARM] 3865/1: AT91RM9200 header updates [ARM] 3862/2: S3C2410 - add basic power management support for AML M5900 series [ARM] kthread: switch arch/arm/kernel/apm.c [ARM] Off-by-one in arch/arm/common/icst* [ARM] 3864/1: Refactore sharpsl_pm [ARM] 3863/1: Add Locomo SPI Device [ARM] 3847/2: Convert LOMOMO to use struct device for GPIOs [ARM] Use CPU_CACHE_* where possible in asm/cacheflush.h ...
Diffstat (limited to 'arch/arm/vfp/vfp.h')
-rw-r--r--arch/arm/vfp/vfp.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 96fdf30f6a3b..f2797896e6d5 100644
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -355,3 +355,18 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
* we check for an error.
*/
#define VFP_EXCEPTION_ERROR ((u32)-1 & ~VFP_NAN_FLAG)
+
+/*
+ * A flag to tell vfp instruction type.
+ * OP_SCALAR - this operation always operates in scalar mode
+ * OP_SD - the instruction exceptionally writes to a single precision result.
+ * OP_DD - the instruction exceptionally writes to a double precision result.
+ */
+#define OP_SCALAR (1 << 0)
+#define OP_SD (1 << 1)
+#define OP_DD (1 << 1)
+
+struct op {
+ u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);
+ u32 flags;
+};