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1 /*
2  * Copyright 2014, Michael Ellerman, IBM Corp.
3  * Licensed under GPLv2.
4  */
5 
6 #ifndef _SELFTESTS_POWERPC_REG_H
7 #define _SELFTESTS_POWERPC_REG_H
8 
9 #define __stringify_1(x)        #x
10 #define __stringify(x)          __stringify_1(x)
11 
12 #define mfspr(rn)	({unsigned long rval; \
13 			 asm volatile("mfspr %0," _str(rn) \
14 				    : "=r" (rval)); rval; })
15 #define mtspr(rn, v)	asm volatile("mtspr " _str(rn) ",%0" : \
16 				    : "r" ((unsigned long)(v)) \
17 				    : "memory")
18 
19 #define mb()		asm volatile("sync" : : : "memory");
20 #define barrier()	asm volatile("" : : : "memory");
21 
22 #define SPRN_MMCR2     769
23 #define SPRN_MMCRA     770
24 #define SPRN_MMCR0     779
25 #define   MMCR0_PMAO   0x00000080
26 #define   MMCR0_PMAE   0x04000000
27 #define   MMCR0_FC     0x80000000
28 #define SPRN_EBBHR     804
29 #define SPRN_EBBRR     805
30 #define SPRN_BESCR     806     /* Branch event status & control register */
31 #define SPRN_BESCRS    800     /* Branch event status & control set (1 bits set to 1) */
32 #define SPRN_BESCRSU   801     /* Branch event status & control set upper */
33 #define SPRN_BESCRR    802     /* Branch event status & control REset (1 bits set to 0) */
34 #define SPRN_BESCRRU   803     /* Branch event status & control REset upper */
35 
36 #define BESCR_PMEO     0x1     /* PMU Event-based exception Occurred */
37 #define BESCR_PME      (0x1ul << 32) /* PMU Event-based exception Enable */
38 
39 #define SPRN_PMC1      771
40 #define SPRN_PMC2      772
41 #define SPRN_PMC3      773
42 #define SPRN_PMC4      774
43 #define SPRN_PMC5      775
44 #define SPRN_PMC6      776
45 
46 #define SPRN_SIAR      780
47 #define SPRN_SDAR      781
48 #define SPRN_SIER      768
49 
50 #define SPRN_TEXASR     0x82    /* Transaction Exception and Status Register */
51 #define SPRN_TFIAR      0x81    /* Transaction Failure Inst Addr    */
52 #define SPRN_TFHAR      0x80    /* Transaction Failure Handler Addr */
53 #define SPRN_TAR        0x32f	/* Target Address Register */
54 
55 #define SPRN_DSCR_PRIV 0x11	/* Privilege State DSCR */
56 #define SPRN_DSCR      0x03	/* Data Stream Control Register */
57 #define SPRN_PPR       896	/* Program Priority Register */
58 #define SPRN_AMR       13	/* Authority Mask Register - problem state */
59 
60 /* TEXASR register bits */
61 #define TEXASR_FC	0xFE00000000000000
62 #define TEXASR_FP	0x0100000000000000
63 #define TEXASR_DA	0x0080000000000000
64 #define TEXASR_NO	0x0040000000000000
65 #define TEXASR_FO	0x0020000000000000
66 #define TEXASR_SIC	0x0010000000000000
67 #define TEXASR_NTC	0x0008000000000000
68 #define TEXASR_TC	0x0004000000000000
69 #define TEXASR_TIC	0x0002000000000000
70 #define TEXASR_IC	0x0001000000000000
71 #define TEXASR_IFC	0x0000800000000000
72 #define TEXASR_ABT	0x0000000100000000
73 #define TEXASR_SPD	0x0000000080000000
74 #define TEXASR_HV	0x0000000020000000
75 #define TEXASR_PR	0x0000000010000000
76 #define TEXASR_FS	0x0000000008000000
77 #define TEXASR_TE	0x0000000004000000
78 #define TEXASR_ROT	0x0000000002000000
79 
80 /* Vector Instructions */
81 #define VSX_XX1(xs, ra, rb)	(((xs) & 0x1f) << 21 | ((ra) << 16) |  \
82 				 ((rb) << 11) | (((xs) >> 5)))
83 #define STXVD2X(xs, ra, rb)	.long (0x7c000798 | VSX_XX1((xs), (ra), (rb)))
84 #define LXVD2X(xs, ra, rb)	.long (0x7c000698 | VSX_XX1((xs), (ra), (rb)))
85 
86 #define ASM_LOAD_GPR_IMMED(_asm_symbol_name_immed) \
87 		"li 14, %[" #_asm_symbol_name_immed "];" \
88 		"li 15, %[" #_asm_symbol_name_immed "];" \
89 		"li 16, %[" #_asm_symbol_name_immed "];" \
90 		"li 17, %[" #_asm_symbol_name_immed "];" \
91 		"li 18, %[" #_asm_symbol_name_immed "];" \
92 		"li 19, %[" #_asm_symbol_name_immed "];" \
93 		"li 20, %[" #_asm_symbol_name_immed "];" \
94 		"li 21, %[" #_asm_symbol_name_immed "];" \
95 		"li 22, %[" #_asm_symbol_name_immed "];" \
96 		"li 23, %[" #_asm_symbol_name_immed "];" \
97 		"li 24, %[" #_asm_symbol_name_immed "];" \
98 		"li 25, %[" #_asm_symbol_name_immed "];" \
99 		"li 26, %[" #_asm_symbol_name_immed "];" \
100 		"li 27, %[" #_asm_symbol_name_immed "];" \
101 		"li 28, %[" #_asm_symbol_name_immed "];" \
102 		"li 29, %[" #_asm_symbol_name_immed "];" \
103 		"li 30, %[" #_asm_symbol_name_immed "];" \
104 		"li 31, %[" #_asm_symbol_name_immed "];"
105 
106 #define ASM_LOAD_FPR_SINGLE_PRECISION(_asm_symbol_name_addr) \
107 		"lfs 0, 0(%[" #_asm_symbol_name_addr "]);" \
108 		"lfs 1, 0(%[" #_asm_symbol_name_addr "]);" \
109 		"lfs 2, 0(%[" #_asm_symbol_name_addr "]);" \
110 		"lfs 3, 0(%[" #_asm_symbol_name_addr "]);" \
111 		"lfs 4, 0(%[" #_asm_symbol_name_addr "]);" \
112 		"lfs 5, 0(%[" #_asm_symbol_name_addr "]);" \
113 		"lfs 6, 0(%[" #_asm_symbol_name_addr "]);" \
114 		"lfs 7, 0(%[" #_asm_symbol_name_addr "]);" \
115 		"lfs 8, 0(%[" #_asm_symbol_name_addr "]);" \
116 		"lfs 9, 0(%[" #_asm_symbol_name_addr "]);" \
117 		"lfs 10, 0(%[" #_asm_symbol_name_addr "]);" \
118 		"lfs 11, 0(%[" #_asm_symbol_name_addr "]);" \
119 		"lfs 12, 0(%[" #_asm_symbol_name_addr "]);" \
120 		"lfs 13, 0(%[" #_asm_symbol_name_addr "]);" \
121 		"lfs 14, 0(%[" #_asm_symbol_name_addr "]);" \
122 		"lfs 15, 0(%[" #_asm_symbol_name_addr "]);" \
123 		"lfs 16, 0(%[" #_asm_symbol_name_addr "]);" \
124 		"lfs 17, 0(%[" #_asm_symbol_name_addr "]);" \
125 		"lfs 18, 0(%[" #_asm_symbol_name_addr "]);" \
126 		"lfs 19, 0(%[" #_asm_symbol_name_addr "]);" \
127 		"lfs 20, 0(%[" #_asm_symbol_name_addr "]);" \
128 		"lfs 21, 0(%[" #_asm_symbol_name_addr "]);" \
129 		"lfs 22, 0(%[" #_asm_symbol_name_addr "]);" \
130 		"lfs 23, 0(%[" #_asm_symbol_name_addr "]);" \
131 		"lfs 24, 0(%[" #_asm_symbol_name_addr "]);" \
132 		"lfs 25, 0(%[" #_asm_symbol_name_addr "]);" \
133 		"lfs 26, 0(%[" #_asm_symbol_name_addr "]);" \
134 		"lfs 27, 0(%[" #_asm_symbol_name_addr "]);" \
135 		"lfs 28, 0(%[" #_asm_symbol_name_addr "]);" \
136 		"lfs 29, 0(%[" #_asm_symbol_name_addr "]);" \
137 		"lfs 30, 0(%[" #_asm_symbol_name_addr "]);" \
138 		"lfs 31, 0(%[" #_asm_symbol_name_addr "]);"
139 
140 #ifndef __ASSEMBLER__
141 void store_gpr(unsigned long *addr);
142 void load_gpr(unsigned long *addr);
143 void load_fpr_single_precision(float *addr);
144 void store_fpr_single_precision(float *addr);
145 #endif /* end of __ASSEMBLER__ */
146 
147 #endif /* _SELFTESTS_POWERPC_REG_H */
148