xref: /openbmc/qemu/tests/tcg/xtensa/fpu.h (revision 44423107e7b5731ef40c5c8632a5bad8b49d0838)
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