diff options
Diffstat (limited to 'target/i386/tcg/misc_helper.c')
-rw-r--r-- | target/i386/tcg/misc_helper.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c index 5f7a3061ca..868f36ab7f 100644 --- a/target/i386/tcg/misc_helper.c +++ b/target/i386/tcg/misc_helper.c @@ -75,12 +75,6 @@ void helper_rdtsc(CPUX86State *env) env->regs[R_EDX] = (uint32_t)(val >> 32); } -void helper_rdtscp(CPUX86State *env) -{ - helper_rdtsc(env); - env->regs[R_ECX] = (uint32_t)(env->tsc_aux); -} - G_NORETURN void helper_rdpmc(CPUX86State *env) { if (((env->cr[4] & CR4_PCE_MASK) == 0 ) && @@ -137,3 +131,18 @@ void helper_wrpkru(CPUX86State *env, uint32_t ecx, uint64_t val) env->pkru = val; tlb_flush(cs); } + +target_ulong HELPER(rdpid)(CPUX86State *env) +{ +#if defined CONFIG_SOFTMMU + return env->tsc_aux; +#elif defined CONFIG_LINUX && defined CONFIG_GETCPU + unsigned cpu, node; + getcpu(&cpu, &node); + return (node << 12) | (cpu & 0xfff); +#elif defined CONFIG_SCHED_GETCPU + return sched_getcpu(); +#else + return 0; +#endif +} |