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1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 2014 Imagination Technologies Ltd.
7  *
8  */
9 
10 #ifndef __ASM_ASM_EVA_H
11 #define __ASM_ASM_EVA_H
12 
13 #ifndef __ASSEMBLY__
14 
15 /* Kernel variants */
16 
17 #define kernel_cache(op, base)		"cache " op ", " base "\n"
18 #define kernel_ll(reg, addr)		"ll " reg ", " addr "\n"
19 #define kernel_sc(reg, addr)		"sc " reg ", " addr "\n"
20 #define kernel_lw(reg, addr)		"lw " reg ", " addr "\n"
21 #define kernel_lwl(reg, addr)		"lwl " reg ", " addr "\n"
22 #define kernel_lwr(reg, addr)		"lwr " reg ", " addr "\n"
23 #define kernel_lh(reg, addr)		"lh " reg ", " addr "\n"
24 #define kernel_lb(reg, addr)		"lb " reg ", " addr "\n"
25 #define kernel_lbu(reg, addr)		"lbu " reg ", " addr "\n"
26 #define kernel_sw(reg, addr)		"sw " reg ", " addr "\n"
27 #define kernel_swl(reg, addr)		"swl " reg ", " addr "\n"
28 #define kernel_swr(reg, addr)		"swr " reg ", " addr "\n"
29 #define kernel_sh(reg, addr)		"sh " reg ", " addr "\n"
30 #define kernel_sb(reg, addr)		"sb " reg ", " addr "\n"
31 
32 #ifdef CONFIG_32BIT
33 /*
34  * No 'sd' or 'ld' instructions in 32-bit but the code will
35  * do the correct thing
36  */
37 #define kernel_sd(reg, addr)		user_sw(reg, addr)
38 #define kernel_ld(reg, addr)		user_lw(reg, addr)
39 #else
40 #define kernel_sd(reg, addr)		"sd " reg", " addr "\n"
41 #define kernel_ld(reg, addr)		"ld " reg", " addr "\n"
42 #endif /* CONFIG_32BIT */
43 
44 #ifdef CONFIG_EVA
45 
46 #define __BUILD_EVA_INSN(insn, reg, addr)				\
47 				"	.set	push\n"			\
48 				"	.set	mips0\n"		\
49 				"	.set	eva\n"			\
50 				"	"insn" "reg", "addr "\n"	\
51 				"	.set	pop\n"
52 
53 #define user_cache(op, base)		__BUILD_EVA_INSN("cachee", op, base)
54 #define user_ll(reg, addr)		__BUILD_EVA_INSN("lle", reg, addr)
55 #define user_sc(reg, addr)		__BUILD_EVA_INSN("sce", reg, addr)
56 #define user_lw(reg, addr)		__BUILD_EVA_INSN("lwe", reg, addr)
57 #define user_lwl(reg, addr)		__BUILD_EVA_INSN("lwle", reg, addr)
58 #define user_lwr(reg, addr)		__BUILD_EVA_INSN("lwre", reg, addr)
59 #define user_lh(reg, addr)		__BUILD_EVA_INSN("lhe", reg, addr)
60 #define user_lb(reg, addr)		__BUILD_EVA_INSN("lbe", reg, addr)
61 #define user_lbu(reg, addr)		__BUILD_EVA_INSN("lbue", reg, addr)
62 /* No 64-bit EVA instruction for loading double words */
63 #define user_ld(reg, addr)		user_lw(reg, addr)
64 #define user_sw(reg, addr)		__BUILD_EVA_INSN("swe", reg, addr)
65 #define user_swl(reg, addr)		__BUILD_EVA_INSN("swle", reg, addr)
66 #define user_swr(reg, addr)		__BUILD_EVA_INSN("swre", reg, addr)
67 #define user_sh(reg, addr)		__BUILD_EVA_INSN("she", reg, addr)
68 #define user_sb(reg, addr)		__BUILD_EVA_INSN("sbe", reg, addr)
69 /* No 64-bit EVA instruction for storing double words */
70 #define user_sd(reg, addr)		user_sw(reg, addr)
71 
72 #else
73 
74 #define user_cache(op, base)		kernel_cache(op, base)
75 #define user_ll(reg, addr)		kernel_ll(reg, addr)
76 #define user_sc(reg, addr)		kernel_sc(reg, addr)
77 #define user_lw(reg, addr)		kernel_lw(reg, addr)
78 #define user_lwl(reg, addr)		kernel_lwl(reg, addr)
79 #define user_lwr(reg, addr)		kernel_lwr(reg, addr)
80 #define user_lh(reg, addr)		kernel_lh(reg, addr)
81 #define user_lb(reg, addr)		kernel_lb(reg, addr)
82 #define user_lbu(reg, addr)		kernel_lbu(reg, addr)
83 #define user_sw(reg, addr)		kernel_sw(reg, addr)
84 #define user_swl(reg, addr)		kernel_swl(reg, addr)
85 #define user_swr(reg, addr)		kernel_swr(reg, addr)
86 #define user_sh(reg, addr)		kernel_sh(reg, addr)
87 #define user_sb(reg, addr)		kernel_sb(reg, addr)
88 
89 #ifdef CONFIG_32BIT
90 #define user_sd(reg, addr)		kernel_sw(reg, addr)
91 #define user_ld(reg, addr)		kernel_lw(reg, addr)
92 #else
93 #define user_sd(reg, addr)		kernel_sd(reg, addr)
94 #define user_ld(reg, addr)		kernel_ld(reg, addr)
95 #endif /* CONFIG_32BIT */
96 
97 #endif /* CONFIG_EVA */
98 
99 #else /* __ASSEMBLY__ */
100 
101 #define kernel_cache(op, base)		cache op, base
102 #define kernel_ll(reg, addr)		ll reg, addr
103 #define kernel_sc(reg, addr)		sc reg, addr
104 #define kernel_lw(reg, addr)		lw reg, addr
105 #define kernel_lwl(reg, addr)		lwl reg, addr
106 #define kernel_lwr(reg, addr)		lwr reg, addr
107 #define kernel_lh(reg, addr)		lh reg, addr
108 #define kernel_lb(reg, addr)		lb reg, addr
109 #define kernel_lbu(reg, addr)		lbu reg, addr
110 #define kernel_sw(reg, addr)		sw reg, addr
111 #define kernel_swl(reg, addr)		swl reg, addr
112 #define kernel_swr(reg, addr)		swr reg, addr
113 #define kernel_sh(reg, addr)		sh reg, addr
114 #define kernel_sb(reg, addr)		sb reg, addr
115 
116 #ifdef CONFIG_32BIT
117 /*
118  * No 'sd' or 'ld' instructions in 32-bit but the code will
119  * do the correct thing
120  */
121 #define kernel_sd(reg, addr)		user_sw(reg, addr)
122 #define kernel_ld(reg, addr)		user_lw(reg, addr)
123 #else
124 #define kernel_sd(reg, addr)		sd reg, addr
125 #define kernel_ld(reg, addr)		ld reg, addr
126 #endif /* CONFIG_32BIT */
127 
128 #ifdef CONFIG_EVA
129 
130 #define __BUILD_EVA_INSN(insn, reg, addr)			\
131 				.set	push;			\
132 				.set	mips0;			\
133 				.set	eva;			\
134 				insn reg, addr;			\
135 				.set	pop;
136 
137 #define user_cache(op, base)		__BUILD_EVA_INSN(cachee, op, base)
138 #define user_ll(reg, addr)		__BUILD_EVA_INSN(lle, reg, addr)
139 #define user_sc(reg, addr)		__BUILD_EVA_INSN(sce, reg, addr)
140 #define user_lw(reg, addr)		__BUILD_EVA_INSN(lwe, reg, addr)
141 #define user_lwl(reg, addr)		__BUILD_EVA_INSN(lwle, reg, addr)
142 #define user_lwr(reg, addr)		__BUILD_EVA_INSN(lwre, reg, addr)
143 #define user_lh(reg, addr)		__BUILD_EVA_INSN(lhe, reg, addr)
144 #define user_lb(reg, addr)		__BUILD_EVA_INSN(lbe, reg, addr)
145 #define user_lbu(reg, addr)		__BUILD_EVA_INSN(lbue, reg, addr)
146 /* No 64-bit EVA instruction for loading double words */
147 #define user_ld(reg, addr)		user_lw(reg, addr)
148 #define user_sw(reg, addr)		__BUILD_EVA_INSN(swe, reg, addr)
149 #define user_swl(reg, addr)		__BUILD_EVA_INSN(swle, reg, addr)
150 #define user_swr(reg, addr)		__BUILD_EVA_INSN(swre, reg, addr)
151 #define user_sh(reg, addr)		__BUILD_EVA_INSN(she, reg, addr)
152 #define user_sb(reg, addr)		__BUILD_EVA_INSN(sbe, reg, addr)
153 /* No 64-bit EVA instruction for loading double words */
154 #define user_sd(reg, addr)		user_sw(reg, addr)
155 #else
156 
157 #define user_cache(op, base)		kernel_cache(op, base)
158 #define user_ll(reg, addr)		kernel_ll(reg, addr)
159 #define user_sc(reg, addr)		kernel_sc(reg, addr)
160 #define user_lw(reg, addr)		kernel_lw(reg, addr)
161 #define user_lwl(reg, addr)		kernel_lwl(reg, addr)
162 #define user_lwr(reg, addr)		kernel_lwr(reg, addr)
163 #define user_lh(reg, addr)		kernel_lh(reg, addr)
164 #define user_lb(reg, addr)		kernel_lb(reg, addr)
165 #define user_lbu(reg, addr)		kernel_lbu(reg, addr)
166 #define user_sw(reg, addr)		kernel_sw(reg, addr)
167 #define user_swl(reg, addr)		kernel_swl(reg, addr)
168 #define user_swr(reg, addr)		kernel_swr(reg, addr)
169 #define user_sh(reg, addr)		kernel_sh(reg, addr)
170 #define user_sb(reg, addr)		kernel_sb(reg, addr)
171 
172 #ifdef CONFIG_32BIT
173 #define user_sd(reg, addr)		kernel_sw(reg, addr)
174 #define user_ld(reg, addr)		kernel_lw(reg, addr)
175 #else
176 #define user_sd(reg, addr)		kernel_sd(reg, addr)
177 #define user_ld(reg, addr)		kernel_sd(reg, addr)
178 #endif /* CONFIG_32BIT */
179 
180 #endif /* CONFIG_EVA */
181 
182 #endif /* __ASSEMBLY__ */
183 
184 #endif /* __ASM_ASM_EVA_H */
185