- the
Pentium processor,
Intel provided a pair of
instructions (RDMSR and
WRMSR) to
access current and ****ure "model-specific registers", as well as the...
- later),
WRMSR to the FS_BASE,
GS_BASE and
KernelGSBase MSRs is non-serializing. On Intel 64
processors as well as
older AMD64 processors,
WRMSR to these...
-
Developers Manual, Vol 1). New instructions: CPUID, CMPXCHG8B, RDTSC, RDMSR,
WRMSR, RSM. Test
registers TR0–TR7 and MOV
instructions for
access to them were...
- set the top 32 bits of RDX and RAX to zero. On
Intel and AMD CPUs, the
WRMSR instruction is also used to
update the CPU microcode. This is done by writing...
- a new ID
string to
particular MSRs (Model-specific registers)
using the
WRMSR instruction. This has been used on non-Intel
processors to
enable features...
- PT states.
Because it is an MSR, it can be
accessed using the
RDMSR and
WRMSR instructions. General-purpose
register Test
register Model-specific register...
-
Extensions PSE Page Size
Extensions TSC Time
Stamp Counter MSR
RDMSR and
WRMSR Support PAE
Physical Address Extensions MCE
Machine Check Exception CXS...
-
placing its
address in eax register,
setting ecx = 0x79, and
executing a
wrmsr (Write model-specific register).: 435
Intel distributes microcode updates...