在2022年6月1日六月 上午10:59，Huacai Chen写道：
> Add ELF-related definitions for LoongArch, including: EM_LOONGARCH,
> KEXEC_ARCH_LOONGARCH, AUDIT_ARCH_LOONGARCH32, AUDIT_ARCH_LOONGARCH64
> and NT_LOONGARCH_*.
>
> Reviewed-by: WANG Xuerui <[email protected]>
> Signed-off-by: Huacai Chen <[email protected]>
Reviewed-by: Jiaxun Yang <[email protected]>
> ---
> include/uapi/linux/audit.h | 2 ++
> include/uapi/linux/elf-em.h | 1 +
> include/uapi/linux/elf.h | 5 +++++
> include/uapi/linux/kexec.h | 1 +
> scripts/sorttable.c | 5 +++++
> 5 files changed, 14 insertions(+)
>
> diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
> index 8eda133ca4c1..7c1dc818b1d5 100644
> --- a/include/uapi/linux/audit.h
> +++ b/include/uapi/linux/audit.h
> @@ -439,6 +439,8 @@ enum {
> #define AUDIT_ARCH_UNICORE (EM_UNICORE|__AUDIT_ARCH_LE)
> #define
> AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
> #define AUDIT_ARCH_XTENSA (EM_XTENSA)
> +#define AUDIT_ARCH_LOONGARCH32 (EM_LOONGARCH|__AUDIT_ARCH_LE)
> +#define
> AUDIT_ARCH_LOONGARCH64 (EM_LOONGARCH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
>
> #define AUDIT_PERM_EXEC 1
> #define AUDIT_PERM_WRITE 2
> diff --git a/include/uapi/linux/elf-em.h b/include/uapi/linux/elf-em.h
> index f47e853546fa..ef38c2bc5ab7 100644
> --- a/include/uapi/linux/elf-em.h
> +++ b/include/uapi/linux/elf-em.h
> @@ -51,6 +51,7 @@
> #define EM_RISCV 243 /* RISC-V */
> #define EM_BPF 247 /* Linux BPF - in-kernel virtual machine */
> #define EM_CSKY 252 /* C-SKY */
> +#define EM_LOONGARCH 258 /* LoongArch */
> #define EM_FRV 0x5441 /* Fujitsu FR-V */
>
> /*
> diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
> index c4abd09c3da9..2b9f5e9985e5 100644
> --- a/include/uapi/linux/elf.h
> +++ b/include/uapi/linux/elf.h
> @@ -438,6 +438,11 @@ typedef struct elf64_shdr {
> #define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers */
> #define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode */
> #define NT_MIPS_MSA 0x802 /* MIPS SIMD registers */
> +#define NT_LOONGARCH_CPUCFG 0xa00 /* LoongArch CPU config registers */
> +#define NT_LOONGARCH_CSR 0xa01 /* LoongArch control and status
> registers */
> +#define NT_LOONGARCH_LSX 0xa02 /* LoongArch Loongson SIMD Extension
> registers */
> +#define NT_LOONGARCH_LASX 0xa03 /* LoongArch Loongson Advanced SIMD
> Extension registers */
> +#define NT_LOONGARCH_LBT 0xa04 /* LoongArch Loongson Binary
> Translation registers */
>
> /* Note types with note name "GNU" */
> #define NT_GNU_PROPERTY_TYPE_0 5
> diff --git a/include/uapi/linux/kexec.h b/include/uapi/linux/kexec.h
> index fb7e2ef60825..981016e05cfa 100644
> --- a/include/uapi/linux/kexec.h
> +++ b/include/uapi/linux/kexec.h
> @@ -43,6 +43,7 @@
> #define KEXEC_ARCH_MIPS ( 8 << 16)
> #define KEXEC_ARCH_AARCH64 (183 << 16)
> #define KEXEC_ARCH_RISCV (243 << 16)
> +#define KEXEC_ARCH_LOONGARCH (258 << 16)
>
> /* The artificial cap on the number of segments passed to kexec_load. */
> #define KEXEC_SEGMENT_MAX 16
> diff --git a/scripts/sorttable.c b/scripts/sorttable.c
> index d00504c5f530..fba40e99f354 100644
> --- a/scripts/sorttable.c
> +++ b/scripts/sorttable.c
> @@ -60,6 +60,10 @@
> #define EM_RISCV 243
> #endif
>
> +#ifndef EM_LOONGARCH
> +#define EM_LOONGARCH 258
> +#endif
> +
> static uint32_t (*r)(const uint32_t *);
> static uint16_t (*r2)(const uint16_t *);
> static uint64_t (*r8)(const uint64_t *);
> @@ -313,6 +317,7 @@ static int do_file(char const *const fname, void *addr)
> case EM_ARCOMPACT:
> case EM_ARCV2:
> case EM_ARM:
> + case EM_LOONGARCH:
> case EM_MICROBLAZE:
> case EM_MIPS:
> case EM_XTENSA:
> --
> 2.27.0
--
- Jiaxun