Architectural state

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The architectural state^[1] is the part of the CPU which holds the state of a process. This is typically held in processor registers and includes:

Control registers
- Instruction flag registers (such as EFLAGS in x86)
- Interrupt mask registers
- Memory management unit registers
- Status registers
General purpose registers (such as AX, BX, CX, DX, etc. in x86)
- Adder registers
- Address registers
- Counter registers
- Index registers
- Stack registers
- String registers
Pipeline registers, between stages of an instruction pipeline

This does not include actual computation units as an ALU for instance.

References[]

^ Dubois, Michael; Annavaram, Murali; Stenström, Per (2012). Parallel Computer Organization and Design (2nd ed.). Cambridge: Cambridge University Press. p. 430. ISBN 978-0-521-88675-8.

[1] Dubois, Michael; Annavaram, Murali; Stenström, Per (2012). Parallel Computer Organization and Design (2nd ed.). Cambridge: Cambridge University Press. p. 430. ISBN 978-0-521-88675-8.

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