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50 lines
1.2 KiB
50 lines
1.2 KiB
3 months ago
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/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2010-05-17 sangwei first version
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*/
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#ifndef __MIPS_INC__
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#define __MIPS_INC__
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#define zero $0 /* wired zero */
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// #define at $1
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#define v0 $2 /* return value */
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#define v1 $3
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#define a0 $4 /* argument registers */
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#define a1 $5
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#define a2 $6
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#define a3 $7
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#define t0 $8 /* caller saved */
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#define t1 $9
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#define t2 $10
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#define t3 $11
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#define t4 $12
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#define t5 $13
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#define t6 $14
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#define t7 $15
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#define s0 $16 /* callee saved */
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#define s1 $17
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#define s2 $18
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#define s3 $19
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#define s4 $20
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#define s5 $21
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#define s6 $22
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#define s7 $23
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#define t8 $24 /* caller saved */
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#define t9 $25
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#define jp $25 /* PIC jump register */
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#define k0 $26 /* kernel scratch */
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#define k1 $27
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#define gp $28 /* global pointer */
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#define sp $29 /* stack pointer */
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#define fp $30 /* frame pointer */
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#define s8 $30 /* same like fp! */
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#define ra $31 /* return address */
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#endif /* end of __MIPS_INC__ */
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