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Move from general register to x86 debug register. [k] On Pentium and later processors, moves to the DR0-DR7 debug registers are serializing. MOV reg,TRx: 0F 24 /r [j] Move from x86 test register to general register. [n] MOV TRx,reg: 0F 26 /r [j] Move from general register to x86 test register. [n] ICEBP, INT01, INT1 [o] F1: In-circuit emulation ...
When this is the case, an address in a debug address register may be relevant to one task but not to another. For this reason the x86 has both global and local enable bits in DR7. These bits indicate whether a given debug address has a global (all tasks) or local (current task only) relevance.
A model-specific register (MSR) is any of various control registers in the x86 system architecture used for debugging, program execution tracing, computer performance monitoring, and toggling certain CPU features.
List of x86 cryptographic instructions; ... X86 debug register; XOP instruction set This page was last edited on 21 March 2013, at 23:22 (UTC). ...
The x86 instruction set has several times been extended with SIMD (Single instruction, multiple data) instruction set extensions.These extensions, starting from the MMX instruction set extension introduced with Pentium MMX in 1997, typically define sets of wide registers and instructions that subdivide these registers into fixed-size lanes and perform a computation for each lane in parallel.
Ralf Brown's Interrupt List (aka RBIL, x86 Interrupt List, MS-DOS Interrupt List or INTER) is a comprehensive list of interrupts, calls, hooks, interfaces, data structures, CMOS settings, memory and port addresses, as well as processor opcodes for x86 machines from the 1981 IBM PC up to 2000 (including many clones), [1] [2] [nb 1] most of it still applying to IBM PC compatibles today.
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Debugging extensions (CR4 bit 3) dtes64: 64-bit debug store (edx bit 21) 2 3 pse: Page Size Extension (4 MB pages) monitor: MONITOR and MWAIT instructions 3 4 tsc: Time Stamp Counter and RDTSC instruction ds-cpl: CPL qualified debug store 4 5 msr: Model-specific registers and RDMSR/WRMSR instructions vmx: Virtual Machine eXtensions: 5 6 pae