1 /* Processor capability information handling macros. PowerPC version.
2 Copyright (C) 2005, 2006 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #ifndef _DL_PROCINFO_H
21 #define _DL_PROCINFO_H 1
24 #include <sysdep.h> /* This defines the PPC_FEATURE_* macros. */
26 /* There are 20 bits used, but they are bits 12..31. */
27 #define _DL_HWCAP_FIRST 9
28 #define _DL_HWCAP_COUNT 32
30 /* These bits influence library search. */
31 #define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \
32 + PPC_FEATURE_HAS_DFP)
34 #define _DL_PLATFORMS_COUNT 7
36 #define _DL_FIRST_PLATFORM 32
37 /* Mask to filter out platforms. */
38 #define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \
39 << _DL_FIRST_PLATFORM)
41 /* Platform bits (relative to _DL_FIRST_PLATFORM). */
42 #define PPC_PLATFORM_POWER4 0
43 #define PPC_PLATFORM_PPC970 1
44 #define PPC_PLATFORM_POWER5 2
45 #define PPC_PLATFORM_POWER5_PLUS 3
46 #define PPC_PLATFORM_POWER6 4
47 #define PPC_PLATFORM_CELL_BE 5
48 #define PPC_PLATFORM_POWER6X 6
50 static inline const char *
51 __attribute__ ((unused
))
52 _dl_hwcap_string (int idx
)
54 return GLRO(dl_powerpc_cap_flags
)[idx
- _DL_HWCAP_FIRST
];
57 static inline const char *
58 __attribute__ ((unused
))
59 _dl_platform_string (int idx
)
61 return GLRO(dl_powerpc_platforms
)[idx
- _DL_FIRST_PLATFORM
];
65 __attribute__ ((unused
))
66 _dl_string_hwcap (const char *str
)
68 for (int i
= _DL_HWCAP_FIRST
; i
< _DL_HWCAP_COUNT
; ++i
)
69 if (strcmp (str
, _dl_hwcap_string (i
)) == 0)
75 __attribute__ ((unused
, always_inline
))
76 _dl_string_platform (const char *str
)
81 if (strncmp (str
, GLRO(dl_powerpc_platforms
)[PPC_PLATFORM_POWER4
], 5) == 0)
88 ret
= _DL_FIRST_PLATFORM
+ PPC_PLATFORM_POWER4
;
91 ret
= _DL_FIRST_PLATFORM
+ PPC_PLATFORM_POWER5
;
94 ret
= _DL_FIRST_PLATFORM
+ PPC_PLATFORM_POWER5_PLUS
;
99 ret
= _DL_FIRST_PLATFORM
+ PPC_PLATFORM_POWER6
;
102 ret
= _DL_FIRST_PLATFORM
+ PPC_PLATFORM_POWER6X
;
112 else if (strncmp (str
, GLRO(dl_powerpc_platforms
)[PPC_PLATFORM_PPC970
],
115 if (strcmp (str
+ 3, GLRO(dl_powerpc_platforms
)[PPC_PLATFORM_PPC970
]
117 return _DL_FIRST_PLATFORM
+ PPC_PLATFORM_PPC970
;
118 else if (strcmp (str
+ 3,
119 GLRO(dl_powerpc_platforms
)[PPC_PLATFORM_CELL_BE
] + 3)
121 return _DL_FIRST_PLATFORM
+ PPC_PLATFORM_CELL_BE
;
129 __attribute__ ((unused
))
130 _dl_procinfo (int word
)
132 _dl_printf ("AT_HWCAP: ");
134 for (int i
= _DL_HWCAP_FIRST
; i
< _DL_HWCAP_COUNT
; ++i
)
136 _dl_printf (" %s", _dl_hwcap_string (i
));
144 #endif /* dl-procinfo.h */