source: trunk/softs/giet_tsar/mips32_registers.h @ 622

Last change on this file since 622 was 622, checked in by alain, 9 years ago

Introducing a minimal GIET:

  • no virtual memory
  • no conyext switch
  • no system calls
File size: 2.3 KB
Line 
1/********************************************************************************/
2/*    File : mips32_registers.h                        */
3/*    Author : Alain Greiner                            */
4/*    Date : 26/03/2012                            */
5/********************************************************************************/
6/*     We define mnemonics for MIPS32 registers                          */
7/********************************************************************************/
8
9#ifndef _MIPS32_REGISTER_H
10#define _MIPS32_REGISTER_H
11
12/* processor registers */
13
14#define zero  $0
15#define at    $1
16#define v0    $2
17#define v1    $3
18#define a0    $4
19#define a1    $5
20#define a2    $6
21#define a3    $7
22#define t0    $8
23#define t1    $9
24#define t2    $10
25#define t3    $11
26#define t4    $12
27#define t5    $13
28#define t6    $14
29#define t7    $15
30#define s0    $16
31#define s1    $17
32#define s2    $18
33#define s3    $19
34#define s4    $20
35#define s5    $21
36#define s6    $22
37#define s7    $23
38#define t8    $24
39#define t9    $25
40#define k0    $26
41#define k1    $27
42#define gp    $28
43#define sp    $29
44#define fp    $30
45#define ra    $31
46
47/* CP0 registers */
48
49#define CP0_BVAR       $8
50#define CP0_TIME       $9
51#define CP0_SR         $12
52#define CP0_CR         $13
53#define CP0_EPC        $14
54#define CP0_PROCID     $15,1
55#define CP0_EBASE      $15,1
56#define CP0_SCHED      $4,2
57
58/* CP2 registers */
59
60#define CP2_PTPR             $0
61#define CP2_MODE             $1
62#define CP2_ICACHE_FLUSH     $2
63#define CP2_DCACHE_FLUSH     $3
64#define CP2_ITLB_INVAL       $4
65#define CP2_DTLB_INVAL       $5
66#define CP2_ICACHE_INVAL     $6
67#define CP2_DCACHE_INVAL     $7
68#define CP2_ICACHE_PREFETCH  $8
69#define CP2_DCACHE_PREFETCH  $9
70#define CP2_SYNC             $10
71#define CP2_IETR             $11
72#define CP2_DETR             $12
73#define CP2_IBVAR            $13
74#define CP2_DBVAR            $14
75#define CP2_PARAMS           $15
76#define CP2_RELEASE          $16
77#define CP2_DATA_LO          $17     
78#define CP2_DATA_HI          $18         
79#define CP2_ICACHE_INVAL_PA  $19         
80#define CP2_DCACHE_INVAL_PA  $20
81#define CP2_PADDR_EXT        $24
82#endif
83
84// Local Variables:
85// tab-width: 4
86// c-basic-offset: 4
87// c-file-offsets:((innamespace . 0)(inline-open . 0))
88// indent-tabs-mode: nil
89// End:
90// vim: filetype=c:expandtab:shiftwidth=4:tabstop=4:softtabstop=4
91
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