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2008-08-01 Steven Munroe <sjmunroe@us.ibm.com> Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> [BZ #6817] * sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_cap_flags): Added the members 'vsx' and 'arch_2_06'. (_dl_powerpc_platforms): Add the member 'power7'. * sysdeps/powerpc/dl-procinfo.h: Modify _DL_HWCAP_FIRST to reflect the changes required by VSX and ISA 2.06. Modify _DL_PLATFORMS_COUNT to reflect the addition of 'power7'. Defined PPC_PLATFORM_POWER7. (_dl_string_platform): Add support for POWER7. * sysdeps/powerpc/sysdep.h: Define bit masks for VSX capability and ISA 2.06.
149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/* Processor capability information handling macros. PowerPC version.
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Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _DL_PROCINFO_H
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#define _DL_PROCINFO_H 1
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#include <ldsodefs.h>
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#include <sysdep.h> /* This defines the PPC_FEATURE_* macros. */
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/* There are 25 bits used, but they are bits 7..31. */
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#define _DL_HWCAP_FIRST 7
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#define _DL_HWCAP_COUNT 32
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/* These bits influence library search. */
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#define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \
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+ PPC_FEATURE_HAS_DFP)
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#define _DL_PLATFORMS_COUNT 8
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#define _DL_FIRST_PLATFORM 32
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/* Mask to filter out platforms. */
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#define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \
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<< _DL_FIRST_PLATFORM)
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/* Platform bits (relative to _DL_FIRST_PLATFORM). */
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#define PPC_PLATFORM_POWER4 0
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#define PPC_PLATFORM_PPC970 1
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#define PPC_PLATFORM_POWER5 2
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#define PPC_PLATFORM_POWER5_PLUS 3
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#define PPC_PLATFORM_POWER6 4
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#define PPC_PLATFORM_CELL_BE 5
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#define PPC_PLATFORM_POWER6X 6
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#define PPC_PLATFORM_POWER7 7
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static inline const char *
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__attribute__ ((unused))
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_dl_hwcap_string (int idx)
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{
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return GLRO(dl_powerpc_cap_flags)[idx - _DL_HWCAP_FIRST];
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}
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static inline const char *
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__attribute__ ((unused))
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_dl_platform_string (int idx)
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{
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return GLRO(dl_powerpc_platforms)[idx - _DL_FIRST_PLATFORM];
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}
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static inline int
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__attribute__ ((unused))
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_dl_string_hwcap (const char *str)
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{
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for (int i = _DL_HWCAP_FIRST; i < _DL_HWCAP_COUNT; ++i)
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if (strcmp (str, _dl_hwcap_string (i)) == 0)
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return i;
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return -1;
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}
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static inline int
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__attribute__ ((unused, always_inline))
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_dl_string_platform (const char *str)
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{
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if (str == NULL)
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return -1;
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if (strncmp (str, GLRO(dl_powerpc_platforms)[PPC_PLATFORM_POWER4], 5) == 0)
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{
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int ret;
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str += 5;
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switch (*str)
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{
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case '4':
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ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER4;
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break;
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case '5':
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ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER5;
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if (str[1] == '+')
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{
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ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER5_PLUS;
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++str;
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}
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break;
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case '6':
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ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER6;
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if (str[1] == 'x')
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{
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ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER6X;
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++str;
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}
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break;
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case '7':
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ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER7;
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break;
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default:
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return -1;
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}
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if (str[1] == '\0')
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return ret;
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}
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else if (strncmp (str, GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC970],
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3) == 0)
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{
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if (strcmp (str + 3, GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC970]
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+ 3) == 0)
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return _DL_FIRST_PLATFORM + PPC_PLATFORM_PPC970;
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else if (strcmp (str + 3,
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GLRO(dl_powerpc_platforms)[PPC_PLATFORM_CELL_BE] + 3)
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== 0)
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return _DL_FIRST_PLATFORM + PPC_PLATFORM_CELL_BE;
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}
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return -1;
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}
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#ifdef IS_IN_rtld
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static inline int
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__attribute__ ((unused))
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_dl_procinfo (int word)
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{
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_dl_printf ("AT_HWCAP: ");
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for (int i = _DL_HWCAP_FIRST; i < _DL_HWCAP_COUNT; ++i)
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if (word & (1 << i))
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_dl_printf (" %s", _dl_hwcap_string (i));
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_dl_printf ("\n");
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return 0;
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}
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#endif
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#endif /* dl-procinfo.h */
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