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asmmacro.h
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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) 2003 Ralf Baechle
7  */
8 #ifndef _ASM_ASMMACRO_H
9 #define _ASM_ASMMACRO_H
10 
11 #include <asm/hazards.h>
12 
13 #ifdef CONFIG_32BIT
14 #include <asm/asmmacro-32.h>
15 #endif
16 #ifdef CONFIG_64BIT
17 #include <asm/asmmacro-64.h>
18 #endif
19 #ifdef CONFIG_MIPS_MT_SMTC
20 #include <asm/mipsmtregs.h>
21 #endif
22 
23 #ifdef CONFIG_MIPS_MT_SMTC
24  .macro local_irq_enable reg=t0
25  mfc0 \reg, CP0_TCSTATUS
26  ori \reg, \reg, TCSTATUS_IXMT
27  xori \reg, \reg, TCSTATUS_IXMT
28  mtc0 \reg, CP0_TCSTATUS
29  _ehb
30  .endm
31 
32  .macro local_irq_disable reg=t0
33  mfc0 \reg, CP0_TCSTATUS
34  ori \reg, \reg, TCSTATUS_IXMT
35  mtc0 \reg, CP0_TCSTATUS
36  _ehb
37  .endm
38 #elif defined(CONFIG_CPU_MIPSR2)
39  .macro local_irq_enable reg=t0
40  ei
41  irq_enable_hazard
42  .endm
43 
44  .macro local_irq_disable reg=t0
45  di
46  irq_disable_hazard
47  .endm
48 #else
49  .macro local_irq_enable reg=t0
50  mfc0 \reg, CP0_STATUS
51  ori \reg, \reg, 1
52  mtc0 \reg, CP0_STATUS
53  irq_enable_hazard
54  .endm
55 
56  .macro local_irq_disable reg=t0
57  mfc0 \reg, CP0_STATUS
58  ori \reg, \reg, 1
59  xori \reg, \reg, 1
60  mtc0 \reg, CP0_STATUS
61  irq_disable_hazard
62  .endm
63 #endif /* CONFIG_MIPS_MT_SMTC */
64 
65 /*
66  * Temporary until all gas have MT ASE support
67  */
68  .macro DMT reg=0
69  .word 0x41600bc1 | (\reg << 16)
70  .endm
71 
72  .macro EMT reg=0
73  .word 0x41600be1 | (\reg << 16)
74  .endm
75 
76  .macro DVPE reg=0
77  .word 0x41600001 | (\reg << 16)
78  .endm
79 
80  .macro EVPE reg=0
81  .word 0x41600021 | (\reg << 16)
82  .endm
83 
84  .macro MFTR rt=0, rd=0, u=0, sel=0
85  .word 0x41000000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
86  .endm
87 
88  .macro MTTR rt=0, rd=0, u=0, sel=0
89  .word 0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
90  .endm
91 
92 #endif /* _ASM_ASMMACRO_H */
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