x86::msr::IA32_MC4_ADDR

pub const IA32_MC4_ADDR: u32 = 1042

See Section 15.3.2.3, IA32_MCi_ADDR MSRs. The IA32_MC2_ADDR register is either not implemented or contains no address if the ADDRV flag in the IA32_MC4_STATUS register is clear. When not implemented in the processor, all reads and writes to this MSR will cause a general- protection exception.