source: rtems/bsps/powerpc/include/libcpu/cpuIdent.h @ c77cd426

5
Last change on this file since c77cd426 was c77cd426, checked in by Joel Sherrill <joel@…>, on 04/30/18 at 22:18:49

Drop executable permissions on .[ch] files
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File size: 3.7 KB
Line 
1/*
2 * Copyright (C) 1999  Eric Valette (valette@crf.canon.fr)
3 *                     Canon Centre Recherche France.
4 *
5 *  Added MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
6 *  Surrey Satellite Technology Limited
7 *
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.rtems.org/license/LICENSE.
12 */
13
14#ifndef _LIBCPU_CPUIDENT_H
15#define _LIBCPU_CPUIDENT_H
16
17#include <stdbool.h>
18
19#ifdef __cplusplus
20extern "C" {
21#endif
22
23#ifndef ASM
24typedef enum
25{
26  PPC_601 = 0x1,
27  PPC_5XX = 0x2,
28  PPC_603 = 0x3,
29  PPC_604 = 0x4,
30  PPC_603e = 0x6,
31  PPC_603ev = 0x7,
32  PPC_750 = 0x8,
33  PPC_750_IBM = 0x7000,
34  PPC_604e = 0x9,
35  PPC_604r = 0xA,
36  PPC_7400 = 0xC,
37  PPC_405  = 0x2001,  /* Xilinx Virtex-II Pro or -4 */
38  PPC_405EX = 0x1291,   /* + 405EXr */
39  PPC_405GP = 0x4011,   /* + 405CR */
40  PPC_405GPr = 0x5091,
41  PPC_405EZ = 0x4151,
42  PPC_405EP = 0x5121,
43  PPC_440 = 0x7ff2,  /* Xilinx Virtex-5*/
44  PPC_7455 = 0x8001, /* Kate Feng */
45  PPC_7457 = 0x8002,
46  PPC_620 = 0x16,
47  PPC_860 = 0x50,
48  PPC_821 = PPC_860,
49  PPC_823 = PPC_860,
50  PPC_8260 = 0x81,
51  PPC_8240 = PPC_8260,
52  PPC_8245 = 0x8081,
53  PPC_8540 = 0x8020,
54  PPC_e500v2 = 0x8021,
55  PPC_e6500 = 0x8040,
56  PPC_603le = 0x8082, /* 603le core, in MGT5100 and MPC5200 */
57  PPC_e300c1  = 0x8083, /* e300c1  core, in MPC83xx*/
58  PPC_e300c2  = 0x8084, /* e300c2  core */
59  PPC_e300c3  = 0x8085, /* e300c3  core */
60  PPC_e200z0  = 0x8170,
61  PPC_e200z1  = 0x8140,
62  PPC_e200z4  = 0x8150,
63  PPC_e200z6  = 0x8110,
64  PPC_e200z7  = 0x8160,
65  PPC_PSIM    = 0xfffe,  /* GDB PowerPC simulator -- fake version */
66  PPC_UNKNOWN = 0xffff
67} ppc_cpu_id_t;
68
69/* Bitfield of for identifying features or groups of cpu flavors.
70 * DO NOT USE DIRECTLY (as implementation may change)
71 * only use the 'ppc_is_xxx() / ppc_has_xxx()' macros/inlines
72 * below.
73 */
74
75typedef struct {
76        unsigned has_altivec            : 1;
77        unsigned has_fpu                        : 1;
78        unsigned has_hw_ptbl_lkup       : 1;
79#define PPC_BOOKE_405   1       /* almost like booke but with some significant differences */
80#define PPC_BOOKE_STD   2
81#define PPC_BOOKE_E500  3       /* bookE with extensions */
82        unsigned is_bookE                       : 2;
83        unsigned has_16byte_clne        : 1;
84        unsigned is_60x             : 1;
85        unsigned has_8_bats                     : 1;
86        unsigned has_epic           : 1;
87        unsigned has_shadowed_gprs  : 1;
88} ppc_feature_t;
89
90extern ppc_feature_t   current_ppc_features;
91extern ppc_cpu_id_t current_ppc_cpu;
92
93typedef unsigned short ppc_cpu_revision_t;
94
95extern ppc_cpu_id_t get_ppc_cpu_type (void);
96extern const char *get_ppc_cpu_type_name(ppc_cpu_id_t cpu);
97extern ppc_cpu_revision_t get_ppc_cpu_revision (void);
98extern ppc_cpu_revision_t current_ppc_revision;
99
100/* PUBLIC ACCESS ROUTINES */
101#define _PPC_FEAT_DECL(x) \
102static inline unsigned ppc_cpu_##x(void) { \
103  if ( PPC_UNKNOWN == current_ppc_cpu ) \
104    get_ppc_cpu_type(); \
105  return current_ppc_features.x; \
106}
107
108_PPC_FEAT_DECL(has_altivec)
109/* has_fpu not implemented yet */
110_PPC_FEAT_DECL(has_hw_ptbl_lkup)
111_PPC_FEAT_DECL(is_bookE)
112_PPC_FEAT_DECL(is_60x)
113_PPC_FEAT_DECL(has_8_bats)
114_PPC_FEAT_DECL(has_epic)
115_PPC_FEAT_DECL(has_shadowed_gprs)
116
117#undef _PPC_FEAT_DECL
118
119static inline ppc_cpu_id_t ppc_cpu_current(void)
120{
121        return current_ppc_cpu;
122}
123
124static inline bool ppc_cpu_is_e200(void)
125{
126        return (ppc_cpu_current() & 0xff80) == 0x8100;
127}
128
129static inline bool ppc_cpu_is_specific_e200(ppc_cpu_id_t id)
130{
131        return (ppc_cpu_current() & 0xfff0) == id;
132}
133
134static inline bool ppc_cpu_is_e300(void)
135{
136        return ppc_cpu_current() == PPC_e300c1
137                || ppc_cpu_current() == PPC_e300c2
138                || ppc_cpu_current() == PPC_e300c3;
139}
140
141static inline bool ppc_cpu_is_e500(void)
142{
143        return ppc_cpu_current() == PPC_8540
144                || ppc_cpu_current() == PPC_e500v2;
145}
146
147static inline bool ppc_cpu_is(ppc_cpu_id_t cpu)
148{
149        return ppc_cpu_current() == cpu;
150}
151
152#endif /* ASM */
153
154#ifdef __cplusplus
155}
156#endif
157
158#endif
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