diff mbox series

[1/5] LoongArch: Add bits/hwcap.h for Linux

Message ID 20230415112340.38431-2-xry111@xry111.site
State New
Headers
Series LoongArch: Multiarch string and memory copy routines for unaligned access |

Checks

Context Check Description
dj/TryBot-apply_patch success Patch applied to master at the time it was sent
redhat-pt-bot/TryBot-still_applies warning Patch no longer applies to master

Commit Message

Xi Ruoyao April 15, 2023, 11:23 a.m. UTC 
  Add this file and include it from sysdep.h so we can use HWCAP bits in
Glibc and/or downstream apps.
---
 .../unix/sysv/linux/loongarch/bits/hwcap.h    | 37 +++++++++++++++++++
 sysdeps/unix/sysv/linux/loongarch/sysdep.h    |  1 +
 2 files changed, 38 insertions(+)
 create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h
diff mbox series

Patch

diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h b/sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h
new file mode 100644
index 0000000000..50100fba61
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/bits/hwcap.h
@@ -0,0 +1,37 @@ 
+/* Defines for bits in AT_HWCAP.  LoongArch Linux version.
+   Copyright (C) 2023 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#if !defined(_SYS_AUXV_H) && !defined(_LINUX_LOONGARCH_SYSDEP_H)
+# error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
+#endif
+
+/* The bit numbers must match those in the kernel's <asm/hwcap.h>.  */
+
+#define HWCAP_LOONGARCH_CPUCFG		(1 << 0)
+#define HWCAP_LOONGARCH_LAM		(1 << 1)
+#define HWCAP_LOONGARCH_UAL		(1 << 2)
+#define HWCAP_LOONGARCH_FPU		(1 << 3)
+#define HWCAP_LOONGARCH_LSX		(1 << 4)
+#define HWCAP_LOONGARCH_LASX		(1 << 5)
+#define HWCAP_LOONGARCH_CRC32		(1 << 6)
+#define HWCAP_LOONGARCH_COMPLEX		(1 << 7)
+#define HWCAP_LOONGARCH_CRYPTO		(1 << 8)
+#define HWCAP_LOONGARCH_LVZ		(1 << 9)
+#define HWCAP_LOONGARCH_LBT_X86		(1 << 10)
+#define HWCAP_LOONGARCH_LBT_ARM		(1 << 11)
+#define HWCAP_LOONGARCH_LBT_MIPS	(1 << 12)
diff --git a/sysdeps/unix/sysv/linux/loongarch/sysdep.h b/sysdeps/unix/sysv/linux/loongarch/sysdep.h
index 8a2d73ec8c..782ea1ccf9 100644
--- a/sysdeps/unix/sysv/linux/loongarch/sysdep.h
+++ b/sysdeps/unix/sysv/linux/loongarch/sysdep.h
@@ -22,6 +22,7 @@ 
 #include <sysdeps/unix/sysv/linux/sysdep.h>
 #include <sysdeps/unix/sysdep.h>
 #include <tls.h>
+#include <bits/hwcap.h>
 
 #ifdef __ASSEMBLER__