diff options
author | Jakub Jelinek <jakub@redhat.com> | 2007-08-25 18:55:07 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-08-25 18:55:07 +0000 |
commit | dd3394742b3e2e01f403b1c1b41ed39273b2212e (patch) | |
tree | 5fed86738b0d518989679f3194f896fc9fcebbe2 /sysdeps/x86_64 | |
parent | 9b0cdd693e7f54fd35fd58931b940efe6ccb88cd (diff) |
Updated to fedora-glibc-20070825T1839
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r-- | sysdeps/x86_64/cacheinfo.c | 64 | ||||
-rw-r--r-- | sysdeps/x86_64/dl-trampoline.S | 7 |
2 files changed, 62 insertions, 9 deletions
diff --git a/sysdeps/x86_64/cacheinfo.c b/sysdeps/x86_64/cacheinfo.c index 8855b6d45f..793dc2d357 100644 --- a/sysdeps/x86_64/cacheinfo.c +++ b/sysdeps/x86_64/cacheinfo.c @@ -259,7 +259,8 @@ handle_amd (int name) : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "0" (0x80000000)); - if (name >= _SC_LEVEL3_CACHE_SIZE) + /* No level 4 cache (yet). */ + if (name > _SC_LEVEL3_CACHE_LINESIZE) return 0; unsigned int fn = 0x80000005 + (name >= _SC_LEVEL2_CACHE_SIZE); @@ -280,36 +281,87 @@ handle_amd (int name) { case _SC_LEVEL1_DCACHE_SIZE: return (ecx >> 14) & 0x3fc00; + case _SC_LEVEL1_DCACHE_ASSOC: ecx >>= 16; if ((ecx & 0xff) == 0xff) /* Fully associative. */ return (ecx << 2) & 0x3fc00; return ecx & 0xff; + case _SC_LEVEL1_DCACHE_LINESIZE: return ecx & 0xff; + case _SC_LEVEL2_CACHE_SIZE: return (ecx & 0xf000) == 0 ? 0 : (ecx >> 6) & 0x3fffc00; + case _SC_LEVEL2_CACHE_ASSOC: - ecx >>= 12; - switch (ecx & 0xf) + switch ((ecx >> 12) & 0xf) { case 0: case 1: case 2: case 4: - return ecx & 0xf; + return (ecx >> 12) & 0xf; case 6: return 8; case 8: return 16; - case 0xf: - return (ecx << 6) & 0x3fffc00; + case 10: + return 32; + case 11: + return 48; + case 12: + return 64; + case 13: + return 96; + case 14: + return 128; + case 15: + return ((ecx >> 6) & 0x3fffc00) / (ecx & 0xff); default: return 0; } + /* NOTREACHED */ + case _SC_LEVEL2_CACHE_LINESIZE: return (ecx & 0xf000) == 0 ? 0 : ecx & 0xff; + + case _SC_LEVEL3_CACHE_SIZE: + return (edx & 0xf000) == 0 ? 0 : (edx & 0x3ffc0000) << 1; + + case _SC_LEVEL3_CACHE_ASSOC: + switch ((edx >> 12) & 0xf) + { + case 0: + case 1: + case 2: + case 4: + return (edx >> 12) & 0xf; + case 6: + return 8; + case 8: + return 16; + case 10: + return 32; + case 11: + return 48; + case 12: + return 64; + case 13: + return 96; + case 14: + return 128; + case 15: + return ((edx & 0x3ffc0000) << 1) / (edx & 0xff); + default: + return 0; + } + /* NOTREACHED */ + + case _SC_LEVEL3_CACHE_LINESIZE: + return (edx & 0xf000) == 0 ? 0 : edx & 0xff; + default: assert (! "cannot happen"); } diff --git a/sysdeps/x86_64/dl-trampoline.S b/sysdeps/x86_64/dl-trampoline.S index c1686dae10..84fe4724b1 100644 --- a/sysdeps/x86_64/dl-trampoline.S +++ b/sysdeps/x86_64/dl-trampoline.S @@ -1,5 +1,5 @@ /* PLT trampolines. x86-64 version. - Copyright (C) 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -120,13 +120,14 @@ _dl_runtime_profile: leaq 104(%rsp), %rsi movq %rsp, %rbx cfi_def_cfa_register (1) + movq %r10, %rcx + addq $8, %r10 + andq $0xfffffffffffffff0, %r10 subq %r10, %rsp movq %rsp, %rdi - movq %r10, %rcx shrq $3, %rcx rep movsq - andq $0xfffffffffffffff0, %rsp movq 32(%rbx), %rcx movq 40(%rbx), %rsi movq 48(%rbx), %rdi |