xref: /openbmc/qemu/tests/tcg/xtensa/fpu.h (revision e6546342)
1 #if XCHAL_HAVE_DFP || XCHAL_HAVE_FP_DIV
2 #define DFPU 1
3 #else
4 #define DFPU 0
5 #endif
6 
7 #define FCR_RM_NEAREST 0
8 #define FCR_RM_TRUNC   1
9 #define FCR_RM_CEIL    2
10 #define FCR_RM_FLOOR   3
11 
12 #define FSR__ 0x00000000
13 #define FSR_I 0x00000080
14 #define FSR_U 0x00000100
15 #define FSR_O 0x00000200
16 #define FSR_Z 0x00000400
17 #define FSR_V 0x00000800
18 
19 #define FSR_UI (FSR_U | FSR_I)
20 #define FSR_OI (FSR_O | FSR_I)
21 
22 #define F32_0           0x00000000
23 #define F32_0_5         0x3f000000
24 #define F32_1           0x3f800000
25 #define F32_MAX         0x7f7fffff
26 #define F32_PINF        0x7f800000
27 #define F32_NINF        0xff800000
28 
29 #define F32_DNAN        0x7fc00000
30 #define F32_SNAN(v)     (0x7f800000 | (v))
31 #define F32_QNAN(v)     (0x7fc00000 | (v))
32 
33 #define F32_MINUS       0x80000000
34 
35 #define F64_0           0x0000000000000000
36 #define F64_MIN_NORM    0x0010000000000000
37 #define F64_1           0x3ff0000000000000
38 #define F64_MAX_2       0x7fe0000000000000
39 #define F64_MAX         0x7fefffffffffffff
40 #define F64_PINF        0x7ff0000000000000
41 #define F64_NINF        0xfff0000000000000
42 
43 #define F64_DNAN        0x7ff8000000000000
44 #define F64_SNAN(v)     (0x7ff0000000000000 | (v))
45 #define F64_QNAN(v)     (0x7ff8000000000000 | (v))
46 
47 #define F64_MINUS       0x8000000000000000
48 
49 .macro test_op1_rm op, fr0, fr1, v0, r, sr
50     movi    a2, 0
51     wur     a2, fsr
52     movfp   \fr0, \v0
53     \op     \fr1, \fr0
54     check_res \fr1, \r, \sr
55 .endm
56 
57 .macro test_op2_rm op, fr0, fr1, fr2, v0, v1, r, sr
58     movi    a2, 0
59     wur     a2, fsr
60     movfp   \fr0, \v0
61     movfp   \fr1, \v1
62     \op     \fr2, \fr0, \fr1
63     check_res \fr2, \r, \sr
64 .endm
65 
66 .macro test_op3_rm op, fr0, fr1, fr2, fr3, v0, v1, v2, r, sr
67     movi    a2, 0
68     wur     a2, fsr
69     movfp   \fr0, \v0
70     movfp   \fr1, \v1
71     movfp   \fr2, \v2
72     \op     \fr0, \fr1, \fr2
73     check_res \fr3, \r, \sr
74 .endm
75 
76 .macro test_op1_ex op, fr0, fr1, v0, rm, r, sr
77     movi    a2, \rm
78     wur     a2, fcr
79     test_op1_rm \op, \fr0, \fr1, \v0, \r, \sr
80     movi    a2, (\rm) | 0x7c
81     wur     a2, fcr
82     test_op1_rm \op, \fr0, \fr1, \v0, \r, \sr
83 .endm
84 
85 .macro test_op2_ex op, fr0, fr1, fr2, v0, v1, rm, r, sr
86     movi    a2, \rm
87     wur     a2, fcr
88     test_op2_rm \op, \fr0, \fr1, \fr2, \v0, \v1, \r, \sr
89     movi    a2, (\rm) | 0x7c
90     wur     a2, fcr
91     test_op2_rm \op, \fr0, \fr1, \fr2, \v0, \v1, \r, \sr
92 .endm
93 
94 .macro test_op3_ex op, fr0, fr1, fr2, fr3, v0, v1, v2, rm, r, sr
95     movi    a2, \rm
96     wur     a2, fcr
97     test_op3_rm \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, \r, \sr
98     movi    a2, (\rm) | 0x7c
99     wur     a2, fcr
100     test_op3_rm \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, \r, \sr
101 .endm
102 
103 .macro test_op1 op, fr0, fr1, v0, r0, r1, r2, r3, sr0, sr1, sr2, sr3
104     test_op1_ex \op, \fr0, \fr1, \v0, 0, \r0, \sr0
105     test_op1_ex \op, \fr0, \fr1, \v0, 1, \r1, \sr1
106     test_op1_ex \op, \fr0, \fr1, \v0, 2, \r2, \sr2
107     test_op1_ex \op, \fr0, \fr1, \v0, 3, \r3, \sr3
108 .endm
109 
110 .macro test_op2 op, fr0, fr1, fr2, v0, v1, r0, r1, r2, r3, sr0, sr1, sr2, sr3
111     test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 0, \r0, \sr0
112     test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 1, \r1, \sr1
113     test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 2, \r2, \sr2
114     test_op2_ex \op, \fr0, \fr1, \fr2, \v0, \v1, 3, \r3, \sr3
115 .endm
116 
117 .macro test_op3 op, fr0, fr1, fr2, fr3, v0, v1, v2, r0, r1, r2, r3, sr0, sr1, sr2, sr3
118     test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 0, \r0, \sr0
119     test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 1, \r1, \sr1
120     test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 2, \r2, \sr2
121     test_op3_ex \op, \fr0, \fr1, \fr2, \fr3, \v0, \v1, \v2, 3, \r3, \sr3
122 .endm
123 
124 .macro test_op2_cpe op
125     set_vector  kernel, 2f
126     movi    a2, 0
127     wsr     a2, cpenable
128 1:
129     \op     f2, f0, f1
130     test_fail
131 2:
132     rsr     a2, excvaddr
133     movi    a3, 1b
134     assert  eq, a2, a3
135     rsr     a2, exccause
136     movi    a3, 32
137     assert  eq, a2, a3
138 
139     set_vector  kernel, 0
140     movi    a2, 1
141     wsr     a2, cpenable
142 .endm
143