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Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- linux-user/loader.h | 3 +- linux-user/loongarch64/target_elf.h | 2 ++ linux-user/elfload.c | 49 +---------------------------- linux-user/loongarch64/elfload.c | 47 +++++++++++++++++++++++++++ 4 files changed, 52 insertions(+), 49 deletions(-) diff --git a/linux-user/loader.h b/linux-user/loader.h index 818c5e6d7d..92b6d41145 100644 --- a/linux-user/loader.h +++ b/linux-user/loader.h @@ -102,7 +102,8 @@ extern unsigned long guest_stack_size; const char *get_elf_cpu_model(uint32_t eflags); =20 #if defined(TARGET_I386) || defined(TARGET_X86_64) || defined(TARGET_ARM) \ - || defined(TARGET_SPARC) || defined(TARGET_PPC) + || defined(TARGET_SPARC) || defined(TARGET_PPC) \ + || defined(TARGET_LOONGARCH64) abi_ulong get_elf_hwcap(CPUState *cs); abi_ulong get_elf_hwcap2(CPUState *cs); #endif diff --git a/linux-user/loongarch64/target_elf.h b/linux-user/loongarch64/t= arget_elf.h index 39a08d35d9..037740d36f 100644 --- a/linux-user/loongarch64/target_elf.h +++ b/linux-user/loongarch64/target_elf.h @@ -6,4 +6,6 @@ #ifndef LOONGARCH_TARGET_ELF_H #define LOONGARCH_TARGET_ELF_H =20 +#define HAVE_ELF_HWCAP 1 + #endif diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 843b1f7b6c..574b37a22c 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -725,54 +725,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *r= egs, #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 =20 -#define ELF_HWCAP get_elf_hwcap() - -/* See arch/loongarch/include/uapi/asm/hwcap.h */ -enum { - HWCAP_LOONGARCH_CPUCFG =3D (1 << 0), - HWCAP_LOONGARCH_LAM =3D (1 << 1), - HWCAP_LOONGARCH_UAL =3D (1 << 2), - HWCAP_LOONGARCH_FPU =3D (1 << 3), - HWCAP_LOONGARCH_LSX =3D (1 << 4), - HWCAP_LOONGARCH_LASX =3D (1 << 5), - HWCAP_LOONGARCH_CRC32 =3D (1 << 6), - HWCAP_LOONGARCH_COMPLEX =3D (1 << 7), - HWCAP_LOONGARCH_CRYPTO =3D (1 << 8), - HWCAP_LOONGARCH_LVZ =3D (1 << 9), - HWCAP_LOONGARCH_LBT_X86 =3D (1 << 10), - HWCAP_LOONGARCH_LBT_ARM =3D (1 << 11), - HWCAP_LOONGARCH_LBT_MIPS =3D (1 << 12), -}; - -static uint32_t get_elf_hwcap(void) -{ - LoongArchCPU *cpu =3D LOONGARCH_CPU(thread_cpu); - uint32_t hwcaps =3D 0; - - hwcaps |=3D HWCAP_LOONGARCH_CRC32; - - if (FIELD_EX32(cpu->env.cpucfg[1], CPUCFG1, UAL)) { - hwcaps |=3D HWCAP_LOONGARCH_UAL; - } - - if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, FP)) { - hwcaps |=3D HWCAP_LOONGARCH_FPU; - } - - if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LAM)) { - hwcaps |=3D HWCAP_LOONGARCH_LAM; - } - - if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LSX)) { - hwcaps |=3D HWCAP_LOONGARCH_LSX; - } - - if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LASX)) { - hwcaps |=3D HWCAP_LOONGARCH_LASX; - } - - return hwcaps; -} +#define ELF_HWCAP get_elf_hwcap(thread_cpu) =20 #define ELF_PLATFORM "loongarch" =20 diff --git a/linux-user/loongarch64/elfload.c b/linux-user/loongarch64/elfl= oad.c index 874dc4c230..ee4a85b8d6 100644 --- a/linux-user/loongarch64/elfload.c +++ b/linux-user/loongarch64/elfload.c @@ -9,3 +9,50 @@ const char *get_elf_cpu_model(uint32_t eflags) { return "la464"; } + +/* See arch/loongarch/include/uapi/asm/hwcap.h */ +enum { + HWCAP_LOONGARCH_CPUCFG =3D (1 << 0), + HWCAP_LOONGARCH_LAM =3D (1 << 1), + HWCAP_LOONGARCH_UAL =3D (1 << 2), + HWCAP_LOONGARCH_FPU =3D (1 << 3), + HWCAP_LOONGARCH_LSX =3D (1 << 4), + HWCAP_LOONGARCH_LASX =3D (1 << 5), + HWCAP_LOONGARCH_CRC32 =3D (1 << 6), + HWCAP_LOONGARCH_COMPLEX =3D (1 << 7), + HWCAP_LOONGARCH_CRYPTO =3D (1 << 8), + HWCAP_LOONGARCH_LVZ =3D (1 << 9), + HWCAP_LOONGARCH_LBT_X86 =3D (1 << 10), + HWCAP_LOONGARCH_LBT_ARM =3D (1 << 11), + HWCAP_LOONGARCH_LBT_MIPS =3D (1 << 12), +}; + +abi_ulong get_elf_hwcap(CPUState *cs) +{ + LoongArchCPU *cpu =3D LOONGARCH_CPU(cs); + abi_ulong hwcaps =3D 0; + + hwcaps |=3D HWCAP_LOONGARCH_CRC32; + + if (FIELD_EX32(cpu->env.cpucfg[1], CPUCFG1, UAL)) { + hwcaps |=3D HWCAP_LOONGARCH_UAL; + } + + if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, FP)) { + hwcaps |=3D HWCAP_LOONGARCH_FPU; + } + + if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LAM)) { + hwcaps |=3D HWCAP_LOONGARCH_LAM; + } + + if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LSX)) { + hwcaps |=3D HWCAP_LOONGARCH_LSX; + } + + if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LASX)) { + hwcaps |=3D HWCAP_LOONGARCH_LASX; + } + + return hwcaps; +} --=20 2.43.0