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authorHuacai Chen <chenhuacai@loongson.cn>2022-05-31 18:04:11 +0800
committerHuacai Chen <chenhuacai@loongson.cn>2022-06-03 20:09:28 +0800
commitfcdfe9d22bed08409968a751e93112f742208be6 (patch)
tree14bbbe55e6c6e715223006e91160c55d6bd113ec /arch/loongarch/include/uapi
parentb74baf4ad05b5ebe3152592fb2fa80d51681392a (diff)
LoongArch: Add ELF and module support
Add ELF-related definition and module relocation code for basic LoongArch support. Cc: Jessica Yu <jeyu@kernel.org> Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/uapi')
-rw-r--r--arch/loongarch/include/uapi/asm/auxvec.h17
-rw-r--r--arch/loongarch/include/uapi/asm/hwcap.h20
2 files changed, 37 insertions, 0 deletions
diff --git a/arch/loongarch/include/uapi/asm/auxvec.h b/arch/loongarch/include/uapi/asm/auxvec.h
new file mode 100644
index 000000000000..922d9e6b5058
--- /dev/null
+++ b/arch/loongarch/include/uapi/asm/auxvec.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Author: Hanlu Li <lihanlu@loongson.cn>
+ * Huacai Chen <chenhuacai@loongson.cn>
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+
+#ifndef __ASM_AUXVEC_H
+#define __ASM_AUXVEC_H
+
+/* Location of VDSO image. */
+#define AT_SYSINFO_EHDR 33
+
+#define AT_VECTOR_SIZE_ARCH 1 /* entries in ARCH_DLINFO */
+
+#endif /* __ASM_AUXVEC_H */
diff --git a/arch/loongarch/include/uapi/asm/hwcap.h b/arch/loongarch/include/uapi/asm/hwcap.h
new file mode 100644
index 000000000000..8840b72fa8e8
--- /dev/null
+++ b/arch/loongarch/include/uapi/asm/hwcap.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_ASM_HWCAP_H
+#define _UAPI_ASM_HWCAP_H
+
+/* HWCAP flags */
+#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)
+
+#endif /* _UAPI_ASM_HWCAP_H */