diff options
Diffstat (limited to 'arch/arm/include/asm/vfp.h')
-rw-r--r-- | arch/arm/include/asm/vfp.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/include/asm/vfp.h b/arch/arm/include/asm/vfp.h new file mode 100644 index 000000000000..f4ab34fd4f72 --- /dev/null +++ b/arch/arm/include/asm/vfp.h | |||
@@ -0,0 +1,84 @@ | |||
1 | /* | ||
2 | * arch/arm/include/asm/vfp.h | ||
3 | * | ||
4 | * VFP register definitions. | ||
5 | * First, the standard VFP set. | ||
6 | */ | ||
7 | |||
8 | #define FPSID cr0 | ||
9 | #define FPSCR cr1 | ||
10 | #define MVFR1 cr6 | ||
11 | #define MVFR0 cr7 | ||
12 | #define FPEXC cr8 | ||
13 | #define FPINST cr9 | ||
14 | #define FPINST2 cr10 | ||
15 | |||
16 | /* FPSID bits */ | ||
17 | #define FPSID_IMPLEMENTER_BIT (24) | ||
18 | #define FPSID_IMPLEMENTER_MASK (0xff << FPSID_IMPLEMENTER_BIT) | ||
19 | #define FPSID_SOFTWARE (1<<23) | ||
20 | #define FPSID_FORMAT_BIT (21) | ||
21 | #define FPSID_FORMAT_MASK (0x3 << FPSID_FORMAT_BIT) | ||
22 | #define FPSID_NODOUBLE (1<<20) | ||
23 | #define FPSID_ARCH_BIT (16) | ||
24 | #define FPSID_ARCH_MASK (0xF << FPSID_ARCH_BIT) | ||
25 | #define FPSID_PART_BIT (8) | ||
26 | #define FPSID_PART_MASK (0xFF << FPSID_PART_BIT) | ||
27 | #define FPSID_VARIANT_BIT (4) | ||
28 | #define FPSID_VARIANT_MASK (0xF << FPSID_VARIANT_BIT) | ||
29 | #define FPSID_REV_BIT (0) | ||
30 | #define FPSID_REV_MASK (0xF << FPSID_REV_BIT) | ||
31 | |||
32 | /* FPEXC bits */ | ||
33 | #define FPEXC_EX (1 << 31) | ||
34 | #define FPEXC_EN (1 << 30) | ||
35 | #define FPEXC_DEX (1 << 29) | ||
36 | #define FPEXC_FP2V (1 << 28) | ||
37 | #define FPEXC_VV (1 << 27) | ||
38 | #define FPEXC_TFV (1 << 26) | ||
39 | #define FPEXC_LENGTH_BIT (8) | ||
40 | #define FPEXC_LENGTH_MASK (7 << FPEXC_LENGTH_BIT) | ||
41 | #define FPEXC_IDF (1 << 7) | ||
42 | #define FPEXC_IXF (1 << 4) | ||
43 | #define FPEXC_UFF (1 << 3) | ||
44 | #define FPEXC_OFF (1 << 2) | ||
45 | #define FPEXC_DZF (1 << 1) | ||
46 | #define FPEXC_IOF (1 << 0) | ||
47 | #define FPEXC_TRAP_MASK (FPEXC_IDF|FPEXC_IXF|FPEXC_UFF|FPEXC_OFF|FPEXC_DZF|FPEXC_IOF) | ||
48 | |||
49 | /* FPSCR bits */ | ||
50 | #define FPSCR_DEFAULT_NAN (1<<25) | ||
51 | #define FPSCR_FLUSHTOZERO (1<<24) | ||
52 | #define FPSCR_ROUND_NEAREST (0<<22) | ||
53 | #define FPSCR_ROUND_PLUSINF (1<<22) | ||
54 | #define FPSCR_ROUND_MINUSINF (2<<22) | ||
55 | #define FPSCR_ROUND_TOZERO (3<<22) | ||
56 | #define FPSCR_RMODE_BIT (22) | ||
57 | #define FPSCR_RMODE_MASK (3 << FPSCR_RMODE_BIT) | ||
58 | #define FPSCR_STRIDE_BIT (20) | ||
59 | #define FPSCR_STRIDE_MASK (3 << FPSCR_STRIDE_BIT) | ||
60 | #define FPSCR_LENGTH_BIT (16) | ||
61 | #define FPSCR_LENGTH_MASK (7 << FPSCR_LENGTH_BIT) | ||
62 | #define FPSCR_IOE (1<<8) | ||
63 | #define FPSCR_DZE (1<<9) | ||
64 | #define FPSCR_OFE (1<<10) | ||
65 | #define FPSCR_UFE (1<<11) | ||
66 | #define FPSCR_IXE (1<<12) | ||
67 | #define FPSCR_IDE (1<<15) | ||
68 | #define FPSCR_IOC (1<<0) | ||
69 | #define FPSCR_DZC (1<<1) | ||
70 | #define FPSCR_OFC (1<<2) | ||
71 | #define FPSCR_UFC (1<<3) | ||
72 | #define FPSCR_IXC (1<<4) | ||
73 | #define FPSCR_IDC (1<<7) | ||
74 | |||
75 | /* MVFR0 bits */ | ||
76 | #define MVFR0_A_SIMD_BIT (0) | ||
77 | #define MVFR0_A_SIMD_MASK (0xf << MVFR0_A_SIMD_BIT) | ||
78 | |||
79 | /* Bit patterns for decoding the packaged operation descriptors */ | ||
80 | #define VFPOPDESC_LENGTH_BIT (9) | ||
81 | #define VFPOPDESC_LENGTH_MASK (0x07 << VFPOPDESC_LENGTH_BIT) | ||
82 | #define VFPOPDESC_UNUSED_BIT (24) | ||
83 | #define VFPOPDESC_UNUSED_MASK (0xFF << VFPOPDESC_UNUSED_BIT) | ||
84 | #define VFPOPDESC_OPDESC_MASK (~(VFPOPDESC_LENGTH_MASK | VFPOPDESC_UNUSED_MASK)) | ||