C++ (Cpp) cpu_ldl_data_ra Examples

Example #1

File: mem_helper.c Project: 8tab/qemu

void helper_boundl(CPUX86State *env, target_ulong a0, int v)
{
    int low, high;

    low = cpu_ldl_data_ra(env, a0, GETPC());
    high = cpu_ldl_data_ra(env, a0 + 4, GETPC());
    if (v < low || v > high) {
        if (env->hflags & HF_MPX_EN_MASK) {
            env->bndcs_regs.sts = 0;
        }
        raise_exception_ra(env, EXCP05_BOUND, GETPC());
    }
}

Example #2

File: mpx_helper.c Project: JMR-b/qemu

uint64_t helper_bndldx32(CPUX86State *env, target_ulong base, target_ulong ptr)
{
    uintptr_t ra = GETPC();
    uint32_t bte, lb, ub, pt;

    bte = lookup_bte32(env, base, ra);
    lb = cpu_ldl_data_ra(env, bte, ra);
    ub = cpu_ldl_data_ra(env, bte + 4, ra);
    pt = cpu_ldl_data_ra(env, bte + 8, ra);

    if (pt != ptr) {
        lb = ub = 0;
    }
    return ((uint64_t)ub << 32) | lb;
}

Example #3

File: mpx_helper.c Project: JMR-b/qemu

static uint32_t lookup_bte32(CPUX86State *env, uint32_t base, uintptr_t ra)
{
    uint32_t bndcsr, bde, bt;

    if ((env->hflags & HF_CPL_MASK) == 3) {
        bndcsr = env->bndcs_regs.cfgu;
    } else {
        bndcsr = env->msr_bndcfgs;
    }

    bde = (extract32(base, 12, 20) << 2) + (bndcsr & TARGET_PAGE_MASK);
    bt = cpu_ldl_data_ra(env, bde, ra);
    if ((bt & 1) == 0) {
        env->bndcs_regs.sts = bde | 2;
        raise_exception_ra(env, EXCP05_BOUND, ra);
    }

    return (extract32(base, 2, 10) << 4) + (bt & ~3);
}