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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright 2014, Michael Ellerman, IBM Corp.
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_HDEXCR_RO 455	/* Userspace readonly view of SPRN_HDEXCR (471) */
23 
24 #define SPRN_MMCR2     769
25 #define SPRN_MMCRA     770
26 #define SPRN_MMCR0     779
27 #define   MMCR0_PMAO   0x00000080
28 #define   MMCR0_PMAE   0x04000000
29 #define   MMCR0_FC     0x80000000
30 #define SPRN_EBBHR     804
31 #define SPRN_EBBRR     805
32 #define SPRN_BESCR     806     /* Branch event status & control register */
33 #define SPRN_BESCRS    800     /* Branch event status & control set (1 bits set to 1) */
34 #define SPRN_BESCRSU   801     /* Branch event status & control set upper */
35 #define SPRN_BESCRR    802     /* Branch event status & control REset (1 bits set to 0) */
36 #define SPRN_BESCRRU   803     /* Branch event status & control REset upper */
37 
38 #define BESCR_PMEO     0x1     /* PMU Event-based exception Occurred */
39 #define BESCR_PME      (0x1ul << 32) /* PMU Event-based exception Enable */
40 
41 #define SPRN_PMC1      771
42 #define SPRN_PMC2      772
43 #define SPRN_PMC3      773
44 #define SPRN_PMC4      774
45 #define SPRN_PMC5      775
46 #define SPRN_PMC6      776
47 
48 #define SPRN_SIAR      780
49 #define SPRN_SDAR      781
50 #define SPRN_SIER      768
51 
52 #define SPRN_DEXCR_RO  812	/* Userspace readonly view of SPRN_DEXCR (828) */
53 
54 #define SPRN_TEXASR     0x82    /* Transaction Exception and Status Register */
55 #define SPRN_TFIAR      0x81    /* Transaction Failure Inst Addr    */
56 #define SPRN_TFHAR      0x80    /* Transaction Failure Handler Addr */
57 #define SPRN_TAR        0x32f	/* Target Address Register */
58 
59 #define PVR_VER(pvr)	(((pvr) >>  16) & 0xFFFF)
60 #define SPRN_PVR	0x11F
61 
62 #define PVR_CFG(pvr)    (((pvr) >>  8) & 0xF)   /* Configuration field */
63 #define PVR_MAJ(pvr)    (((pvr) >>  4) & 0xF)   /* Major revision field */
64 #define PVR_MIN(pvr)    (((pvr) >>  0) & 0xF)   /* Minor revision field */
65 
66 #define SPRN_DSCR_PRIV 0x11	/* Privilege State DSCR */
67 #define SPRN_DSCR      0x03	/* Data Stream Control Register */
68 #define SPRN_PPR       896	/* Program Priority Register */
69 #define SPRN_AMR       13	/* Authority Mask Register - problem state */
70 
71 #define set_amr(v)	asm volatile("isync;" \
72 				     "mtspr " __stringify(SPRN_AMR) ",%0;" \
73 				     "isync" : \
74 				    : "r" ((unsigned long)(v)) \
75 				    : "memory")
76 
77 /* TEXASR register bits */
78 #define TEXASR_FC	0xFE00000000000000
79 #define TEXASR_FP	0x0100000000000000
80 #define TEXASR_DA	0x0080000000000000
81 #define TEXASR_NO	0x0040000000000000
82 #define TEXASR_FO	0x0020000000000000
83 #define TEXASR_SIC	0x0010000000000000
84 #define TEXASR_NTC	0x0008000000000000
85 #define TEXASR_TC	0x0004000000000000
86 #define TEXASR_TIC	0x0002000000000000
87 #define TEXASR_IC	0x0001000000000000
88 #define TEXASR_IFC	0x0000800000000000
89 #define TEXASR_ABT	0x0000000100000000
90 #define TEXASR_SPD	0x0000000080000000
91 #define TEXASR_HV	0x0000000020000000
92 #define TEXASR_PR	0x0000000010000000
93 #define TEXASR_FS	0x0000000008000000
94 #define TEXASR_TE	0x0000000004000000
95 #define TEXASR_ROT	0x0000000002000000
96 
97 /* MSR register bits */
98 #define MSR_HV 		(1ul << 60)	/* Hypervisor state */
99 #define MSR_TS_S_LG     33              /* Trans Mem state: Suspended */
100 #define MSR_TS_T_LG	34              /* Trans Mem state: Active */
101 
102 #define __MASK(X)       (1UL<<(X))
103 
104 /* macro to check TM MSR bits */
105 #define MSR_TS_S        __MASK(MSR_TS_S_LG)   /* Transaction Suspended */
106 #define MSR_TS_T	__MASK(MSR_TS_T_LG)   /* Transaction Transactional */
107 
108 /* Vector Instructions */
109 #define VSX_XX1(xs, ra, rb)	(((xs) & 0x1f) << 21 | ((ra) << 16) |  \
110 				 ((rb) << 11) | (((xs) >> 5)))
111 #define STXVD2X(xs, ra, rb)	.long (0x7c000798 | VSX_XX1((xs), (ra), (rb)))
112 #define LXVD2X(xs, ra, rb)	.long (0x7c000698 | VSX_XX1((xs), (ra), (rb)))
113 
114 #define ASM_LOAD_GPR_IMMED(_asm_symbol_name_immed) \
115 		"li 14, %[" #_asm_symbol_name_immed "];" \
116 		"li 15, %[" #_asm_symbol_name_immed "];" \
117 		"li 16, %[" #_asm_symbol_name_immed "];" \
118 		"li 17, %[" #_asm_symbol_name_immed "];" \
119 		"li 18, %[" #_asm_symbol_name_immed "];" \
120 		"li 19, %[" #_asm_symbol_name_immed "];" \
121 		"li 20, %[" #_asm_symbol_name_immed "];" \
122 		"li 21, %[" #_asm_symbol_name_immed "];" \
123 		"li 22, %[" #_asm_symbol_name_immed "];" \
124 		"li 23, %[" #_asm_symbol_name_immed "];" \
125 		"li 24, %[" #_asm_symbol_name_immed "];" \
126 		"li 25, %[" #_asm_symbol_name_immed "];" \
127 		"li 26, %[" #_asm_symbol_name_immed "];" \
128 		"li 27, %[" #_asm_symbol_name_immed "];" \
129 		"li 28, %[" #_asm_symbol_name_immed "];" \
130 		"li 29, %[" #_asm_symbol_name_immed "];" \
131 		"li 30, %[" #_asm_symbol_name_immed "];" \
132 		"li 31, %[" #_asm_symbol_name_immed "];"
133 
134 #define ASM_LOAD_FPR(_asm_symbol_name_addr) \
135 		"lfd 0, 0(%[" #_asm_symbol_name_addr "]);" \
136 		"lfd 1, 0(%[" #_asm_symbol_name_addr "]);" \
137 		"lfd 2, 0(%[" #_asm_symbol_name_addr "]);" \
138 		"lfd 3, 0(%[" #_asm_symbol_name_addr "]);" \
139 		"lfd 4, 0(%[" #_asm_symbol_name_addr "]);" \
140 		"lfd 5, 0(%[" #_asm_symbol_name_addr "]);" \
141 		"lfd 6, 0(%[" #_asm_symbol_name_addr "]);" \
142 		"lfd 7, 0(%[" #_asm_symbol_name_addr "]);" \
143 		"lfd 8, 0(%[" #_asm_symbol_name_addr "]);" \
144 		"lfd 9, 0(%[" #_asm_symbol_name_addr "]);" \
145 		"lfd 10, 0(%[" #_asm_symbol_name_addr "]);" \
146 		"lfd 11, 0(%[" #_asm_symbol_name_addr "]);" \
147 		"lfd 12, 0(%[" #_asm_symbol_name_addr "]);" \
148 		"lfd 13, 0(%[" #_asm_symbol_name_addr "]);" \
149 		"lfd 14, 0(%[" #_asm_symbol_name_addr "]);" \
150 		"lfd 15, 0(%[" #_asm_symbol_name_addr "]);" \
151 		"lfd 16, 0(%[" #_asm_symbol_name_addr "]);" \
152 		"lfd 17, 0(%[" #_asm_symbol_name_addr "]);" \
153 		"lfd 18, 0(%[" #_asm_symbol_name_addr "]);" \
154 		"lfd 19, 0(%[" #_asm_symbol_name_addr "]);" \
155 		"lfd 20, 0(%[" #_asm_symbol_name_addr "]);" \
156 		"lfd 21, 0(%[" #_asm_symbol_name_addr "]);" \
157 		"lfd 22, 0(%[" #_asm_symbol_name_addr "]);" \
158 		"lfd 23, 0(%[" #_asm_symbol_name_addr "]);" \
159 		"lfd 24, 0(%[" #_asm_symbol_name_addr "]);" \
160 		"lfd 25, 0(%[" #_asm_symbol_name_addr "]);" \
161 		"lfd 26, 0(%[" #_asm_symbol_name_addr "]);" \
162 		"lfd 27, 0(%[" #_asm_symbol_name_addr "]);" \
163 		"lfd 28, 0(%[" #_asm_symbol_name_addr "]);" \
164 		"lfd 29, 0(%[" #_asm_symbol_name_addr "]);" \
165 		"lfd 30, 0(%[" #_asm_symbol_name_addr "]);" \
166 		"lfd 31, 0(%[" #_asm_symbol_name_addr "]);"
167 
168 #ifndef __ASSEMBLER__
169 void store_gpr(unsigned long *addr);
170 void load_gpr(unsigned long *addr);
171 void store_fpr(double *addr);
172 #endif /* end of __ASSEMBLER__ */
173 
174 #endif /* _SELFTESTS_POWERPC_REG_H */
175