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android-kvm / linux / dcca1a6506123cd47af334b7ee2a4b0288196389 / . / arch / score / include / asm / asmmacro.h
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Chen Liqin6bc9a392009-06-12 22:01:00 +0800[diff] [blame]1#ifndef _ASM_SCORE_ASMMACRO_H
2#define _ASM_SCORE_ASMMACRO_H
3
4#include <asm/asm-offsets.h>
5
6#ifdef __ASSEMBLY__
7
8.macro SAVE_ALL
9 mfcr r30, cr0
10 mv r31, r0
11 nop
12 /* if UMs == 1, change stack. */
13 slli.c r30, r30, 28
14 bpl 1f
15 la r31, kernelsp
16 lw r31, [r31]
171:
18 mv r30, r0
19 addri r0, r31, -PT_SIZE
20
21 sw r30, [r0, PT_R0]
22 .set r1
23 sw r1, [r0, PT_R1]
24 .set nor1
25 sw r2, [r0, PT_R2]
26 sw r3, [r0, PT_R3]
27 sw r4, [r0, PT_R4]
28 sw r5, [r0, PT_R5]
29 sw r6, [r0, PT_R6]
30 sw r7, [r0, PT_R7]
31
32 sw r8, [r0, PT_R8]
33 sw r9, [r0, PT_R9]
34 sw r10, [r0, PT_R10]
35 sw r11, [r0, PT_R11]
36 sw r12, [r0, PT_R12]
37 sw r13, [r0, PT_R13]
38 sw r14, [r0, PT_R14]
39 sw r15, [r0, PT_R15]
40
41 sw r16, [r0, PT_R16]
42 sw r17, [r0, PT_R17]
43 sw r18, [r0, PT_R18]
44 sw r19, [r0, PT_R19]
45 sw r20, [r0, PT_R20]
46 sw r21, [r0, PT_R21]
47 sw r22, [r0, PT_R22]
48 sw r23, [r0, PT_R23]
49
50 sw r24, [r0, PT_R24]
51 sw r25, [r0, PT_R25]
52 sw r25, [r0, PT_R25]
53 sw r26, [r0, PT_R26]
54 sw r27, [r0, PT_R27]
55
56 sw r28, [r0, PT_R28]
57 sw r29, [r0, PT_R29]
58 orri r28, r0, 0x1fff
59 li r31, 0x00001fff
60 xor r28, r28, r31
61
62 mfcehl r30, r31
63 sw r30, [r0, PT_CEH]
64 sw r31, [r0, PT_CEL]
65
66 mfcr r31, cr0
67 sw r31, [r0, PT_PSR]
68
69 mfcr r31, cr1
70 sw r31, [r0, PT_CONDITION]
71
72 mfcr r31, cr2
73 sw r31, [r0, PT_ECR]
74
75 mfcr r31, cr5
76 srli r31, r31, 1
77 slli r31, r31, 1
78 sw r31, [r0, PT_EPC]
79.endm
80
81.macro RESTORE_ALL_AND_RET
82 mfcr r30, cr0
83 srli r30, r30, 1
84 slli r30, r30, 1
85 mtcr r30, cr0
86 nop
87 nop
88 nop
89 nop
90 nop
91
92 .set r1
93 ldis r1, 0x00ff
94 and r30, r30, r1
95 not r1, r1
96 lw r31, [r0, PT_PSR]
97 and r31, r31, r1
98 .set nor1
99 or r31, r31, r30
100 mtcr r31, cr0
101 nop
102 nop
103 nop
104 nop
105 nop
106
107 lw r30, [r0, PT_CONDITION]
108 mtcr r30, cr1
109 nop
110 nop
111 nop
112 nop
113 nop
114
115 lw r30, [r0, PT_CEH]
116 lw r31, [r0, PT_CEL]
117 mtcehl r30, r31
118
119 .set r1
120 lw r1, [r0, PT_R1]
121 .set nor1
122 lw r2, [r0, PT_R2]
123 lw r3, [r0, PT_R3]
124 lw r4, [r0, PT_R4]
125 lw r5, [r0, PT_R5]
126 lw r6, [r0, PT_R6]
127 lw r7, [r0, PT_R7]
128
129 lw r8, [r0, PT_R8]
130 lw r9, [r0, PT_R9]
131 lw r10, [r0, PT_R10]
132 lw r11, [r0, PT_R11]
133 lw r12, [r0, PT_R12]
134 lw r13, [r0, PT_R13]
135 lw r14, [r0, PT_R14]
136 lw r15, [r0, PT_R15]
137
138 lw r16, [r0, PT_R16]
139 lw r17, [r0, PT_R17]
140 lw r18, [r0, PT_R18]
141 lw r19, [r0, PT_R19]
142 lw r20, [r0, PT_R20]
143 lw r21, [r0, PT_R21]
144 lw r22, [r0, PT_R22]
145 lw r23, [r0, PT_R23]
146
147 lw r24, [r0, PT_R24]
148 lw r25, [r0, PT_R25]
149 lw r26, [r0, PT_R26]
150 lw r27, [r0, PT_R27]
151 lw r28, [r0, PT_R28]
152 lw r29, [r0, PT_R29]
153
154 lw r30, [r0, PT_EPC]
155 lw r0, [r0, PT_R0]
156 mtcr r30, cr5
157 rte
158.endm
159
160#endif /* __ASSEMBLY__ */
161#endif /* _ASM_SCORE_ASMMACRO_H */