ia64/linux-2.6.18-xen.hg

view include/asm-arm/vfp.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 /*
2 * linux/include/asm-arm/vfp.h
3 *
4 * VFP register definitions.
5 * First, the standard VFP set.
6 */
8 #define FPSID cr0
9 #define FPSCR cr1
10 #define FPEXC cr8
12 /* FPSID bits */
13 #define FPSID_IMPLEMENTER_BIT (24)
14 #define FPSID_IMPLEMENTER_MASK (0xff << FPSID_IMPLEMENTER_BIT)
15 #define FPSID_SOFTWARE (1<<23)
16 #define FPSID_FORMAT_BIT (21)
17 #define FPSID_FORMAT_MASK (0x3 << FPSID_FORMAT_BIT)
18 #define FPSID_NODOUBLE (1<<20)
19 #define FPSID_ARCH_BIT (16)
20 #define FPSID_ARCH_MASK (0xF << FPSID_ARCH_BIT)
21 #define FPSID_PART_BIT (8)
22 #define FPSID_PART_MASK (0xFF << FPSID_PART_BIT)
23 #define FPSID_VARIANT_BIT (4)
24 #define FPSID_VARIANT_MASK (0xF << FPSID_VARIANT_BIT)
25 #define FPSID_REV_BIT (0)
26 #define FPSID_REV_MASK (0xF << FPSID_REV_BIT)
28 /* FPEXC bits */
29 #define FPEXC_EXCEPTION (1<<31)
30 #define FPEXC_ENABLE (1<<30)
32 /* FPSCR bits */
33 #define FPSCR_DEFAULT_NAN (1<<25)
34 #define FPSCR_FLUSHTOZERO (1<<24)
35 #define FPSCR_ROUND_NEAREST (0<<22)
36 #define FPSCR_ROUND_PLUSINF (1<<22)
37 #define FPSCR_ROUND_MINUSINF (2<<22)
38 #define FPSCR_ROUND_TOZERO (3<<22)
39 #define FPSCR_RMODE_BIT (22)
40 #define FPSCR_RMODE_MASK (3 << FPSCR_RMODE_BIT)
41 #define FPSCR_STRIDE_BIT (20)
42 #define FPSCR_STRIDE_MASK (3 << FPSCR_STRIDE_BIT)
43 #define FPSCR_LENGTH_BIT (16)
44 #define FPSCR_LENGTH_MASK (7 << FPSCR_LENGTH_BIT)
45 #define FPSCR_IOE (1<<8)
46 #define FPSCR_DZE (1<<9)
47 #define FPSCR_OFE (1<<10)
48 #define FPSCR_UFE (1<<11)
49 #define FPSCR_IXE (1<<12)
50 #define FPSCR_IDE (1<<15)
51 #define FPSCR_IOC (1<<0)
52 #define FPSCR_DZC (1<<1)
53 #define FPSCR_OFC (1<<2)
54 #define FPSCR_UFC (1<<3)
55 #define FPSCR_IXC (1<<4)
56 #define FPSCR_IDC (1<<7)
58 /*
59 * VFP9-S specific.
60 */
61 #define FPINST cr9
62 #define FPINST2 cr10
64 /* FPEXC bits */
65 #define FPEXC_FPV2 (1<<28)
66 #define FPEXC_LENGTH_BIT (8)
67 #define FPEXC_LENGTH_MASK (7 << FPEXC_LENGTH_BIT)
68 #define FPEXC_INV (1 << 7)
69 #define FPEXC_UFC (1 << 3)
70 #define FPEXC_OFC (1 << 2)
71 #define FPEXC_IOC (1 << 0)
73 /* Bit patterns for decoding the packaged operation descriptors */
74 #define VFPOPDESC_LENGTH_BIT (9)
75 #define VFPOPDESC_LENGTH_MASK (0x07 << VFPOPDESC_LENGTH_BIT)
76 #define VFPOPDESC_UNUSED_BIT (24)
77 #define VFPOPDESC_UNUSED_MASK (0xFF << VFPOPDESC_UNUSED_BIT)
78 #define VFPOPDESC_OPDESC_MASK (~(VFPOPDESC_LENGTH_MASK | VFPOPDESC_UNUSED_MASK))