NVMM_X64_DR_DR1
[NVMM_X64_DR_DR1] = 0x00000000,
ldr1(cpudata->drs[NVMM_X64_DR_DR1]);
cpudata->drs[NVMM_X64_DR_DR1] = rdr1();
ldr1(cpudata->drs[NVMM_X64_DR_DR1]);
cpudata->drs[NVMM_X64_DR_DR1] = rdr1();