Hi, Xuerui,
On Sun, May 1, 2022 at 5:41 PM WANG Xuerui <kernel@xxxxxxxxxx> wrote:
>
> Hi,
>
> Commit message title could be "ELF" -- proper capitalization.
OK, thanks.
Huacai
>
> On 4/30/22 17:04, 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@xxxxxxxxxxx>
> > ---
> > 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 */
> These are named NT_LARCH_* in binutils source, better keep consistent?
> >
> > /* 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:
