main.c

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#include <xtf.h>
 
const char test_title[] = "Test RTM behaviour";
 
void test_main(void)
{
    printk("CPUID: HLE %u, RTM %u, RTM_ALWAYS_ABORT %u\n",
           cpu_has_hle, cpu_has_rtm, cpu_has_rtm_always_abort);
 
    for ( int i = 0; i < 1000; ++i )
    {
        unsigned int xstatus = _xbegin_safe();
 
        if ( xstatus == _XBEGIN_STARTED )
        {
            _xend();
            return xtf_success("RTM usable\n");
        }
        else if ( xstatus == _XBEGIN_UD )
            return xtf_success("RTM unavailable\n");
    }
 
    xtf_success("RTM always aborting\n");
}
 
/*
 * Local variables:
 * mode: C
 * c-file-style: "BSD"
 * c-basic-offset: 4
 * tab-width: 4
 * indent-tabs-mode: nil
 * End:
 */