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| author | Feifei Wang <wangfeifei@hygon.cn> | 2024-08-19 14:57:53 +0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2024-08-26 10:01:58 -0700 |
| commit | 6b08116b2deab23c0f4c9688ff4aa6ca4483889c (patch) | |
| tree | c9afca6e6578a896fc1aeb7c80ed79cb542586fd | |
| parent | 34e52acd55d69964d14fb3188c5538442b8b32be (diff) | |
| download | glibc-6b08116b2deab23c0f4c9688ff4aa6ca4483889c.zip glibc-6b08116b2deab23c0f4c9688ff4aa6ca4483889c.tar.gz glibc-6b08116b2deab23c0f4c9688ff4aa6ca4483889c.tar.bz2 | |
x86: Add new architecture type for Hygon processors
Add a new architecture type arch_kind_hygon to spilt Hygon branch
from AMD. This is to facilitate the Hygon processors to make settings
that are suitable for its own characteristics.
Signed-off-by: Feifei Wang <wangfeifei@hygon.cn>
Reviewed-by: Jing Li <lijing@hygon.cn>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 19 | ||||
| -rw-r--r-- | sysdeps/x86/include/cpu-features.h | 1 |
2 files changed, 17 insertions, 3 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 0fb50f9..e6139e2 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -986,9 +986,8 @@ https://www.intel.com/content/www/us/en/support/articles/000059422/processors.ht cpu_features->preferred[index_arch_Avoid_Short_Distance_REP_MOVSB] |= bit_arch_Avoid_Short_Distance_REP_MOVSB; } - /* This spells out "AuthenticAMD" or "HygonGenuine". */ - else if ((ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65) - || (ebx == 0x6f677948 && ecx == 0x656e6975 && edx == 0x6e65476e)) + /* This spells out "AuthenticAMD". */ + else if (ebx == 0x68747541 && ecx == 0x444d4163 && edx == 0x69746e65) { unsigned int extended_model; @@ -1104,6 +1103,20 @@ https://www.intel.com/content/www/us/en/support/articles/000059422/processors.ht } } } + /* This spells out "HygonGenuine". */ + else if (ebx == 0x6f677948 && ecx == 0x656e6975 && edx == 0x6e65476e) + { + unsigned int extended_model; + + kind = arch_kind_hygon; + + get_common_indices (cpu_features, &family, &model, &extended_model, + &stepping); + + get_extended_indices (cpu_features); + + update_active (cpu_features); + } else { kind = arch_kind_other; diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h index aaae44f..b8e790c 100644 --- a/sysdeps/x86/include/cpu-features.h +++ b/sysdeps/x86/include/cpu-features.h @@ -881,6 +881,7 @@ enum cpu_features_kind arch_kind_intel, arch_kind_amd, arch_kind_zhaoxin, + arch_kind_hygon, arch_kind_other }; |