diff options
-rw-r--r-- | linux-user/elfload.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 23e34957f9..c77ed1bb01 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -882,6 +882,30 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUMIPSState *e #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 +/* See arch/mips/include/uapi/asm/hwcap.h. */ +enum { + HWCAP_MIPS_R6 = (1 << 0), + HWCAP_MIPS_MSA = (1 << 1), +}; + +#define ELF_HWCAP get_elf_hwcap() + +static uint32_t get_elf_hwcap(void) +{ + MIPSCPU *cpu = MIPS_CPU(thread_cpu); + uint32_t hwcaps = 0; + +#define GET_FEATURE(flag, hwcap) \ + do { if (cpu->env.insn_flags & (flag)) { hwcaps |= hwcap; } } while (0) + + GET_FEATURE(ISA_MIPS32R6 | ISA_MIPS64R6, HWCAP_MIPS_R6); + GET_FEATURE(ASE_MSA, HWCAP_MIPS_MSA); + +#undef GET_FEATURE + + return hwcaps; +} + #endif /* TARGET_MIPS */ #ifdef TARGET_MICROBLAZE |