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    SubjectRe: [PATCH V3 03/22] LoongArch: Add elf-related definitions
    Hi, Xuerui,

    On Sat, May 14, 2022 at 9:29 PM WANG Xuerui <kernel@xen0n.name> wrote:
    >
    > Hi,
    >
    > Why this patch is from V3? I guess it's by mistake so would you re-send
    > a proper v10?
    This is just a typo, it is really V10.

    Huacai
    >
    > On 5/14/22 16:03, Huacai Chen wrote:
    > > Add elf-related definitions for LoongArch, including: EM_LOONGARCH,
    > > KEXEC_ARCH_LOONGARCH, AUDIT_ARCH_LOONGARCH32, AUDIT_ARCH_LOONGARCH64
    > > and NT_LOONGARCH_*.
    > >
    > > Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
    > > ---
    > > 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 7ce993e6786c..1e0ae3f554f6 100644
    > > --- a/include/uapi/linux/elf.h
    > > +++ b/include/uapi/linux/elf.h
    > > @@ -436,6 +436,11 @@ 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:

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