- IDs. "
SYSENTER".
OSDev wiki.
Archived from the
original on 8
November 2023.
Anonymous (19
December 2002). "Linux 2.5 gets vsyscalls,
sysenter support"...
-
provide instructions (e.g.
SYSENTER) to
invoke selected kernel services without an interrupts.
Visit https://wiki.osdev.org/
SYSENTER for more information....
- to 16-bit user-mode code.) The SYSRET,
SYSENTER and SY****IT
instructions are
unavailable in Real mode. (
SYSENTER is, however,
available in
Virtual 8086...
- pointer.
Initialized during system startup,
SYSENTER_EIP_MSR and
SYSENTER_ESP_MSR are used by the
SYSENTER (Intel) or
SYSCALL (AMD)
instructions to achieve...
- KiSystemService. For
newer versions,
different mechanisms making use of
SYSENTER instruction and in x86-64
SYSCALL instruction are used instead. One notable...
- 64-bit mode (not in
compatibility mode), and
allows SYSENTER/SY****IT in both modes. AMD64
lacks SYSENTER/SY****IT in both sub-modes of long mode.: 33 In 64-bit...
-
Model 1)
processors only, EDX bit 11 is
invalid - the bit is set, but the
SYSENTER and SY****IT
instructions are not
supported on the
Pentium Pro.
FCMOV and...
- call gates. With the
introduction of x86
instructions for
system call (
SYSENTER/SY****IT by
Intel and SYSCALL/SYSRET by AMD), a new
faster mechanism was...
- c041bc98 A _end c041c000 A pg0 ffffe400 A
__kernel_vsyscall ffffe410 A
SYSENTER_RETURN ffffe420 A
__kernel_sigreturn ffffe440 A
__kernel_rt_sigreturn Because...
- read
performance monitor counts rdtsc read time
stamp counter syscall sysenter sy****it
sysret ud2 an
undefined instruction just for
software testing xsave...
