2018-2019-1 20165302 "Information Security system Design Fundamentals" Third Week study summary

1. Machine-Level Code
(1) Two kinds of abstract

• Defines the format and behavior of machine-level programs by ISA
• The memory address used by the machine-level program is the virtual address

2. Data format

3. Operand designator

4. Press in and eject stack data

• Follow the principle of first in and out
• Push Press in, pop delete
• Pushq press four words into the stack popq four words pop-up stack

5. Arithmetic and logical operations

• LEAQ Load Valid address
• INC plus a
• DEC minus One
• NEG take negative
• Not take compensation
• Add Plus
• SUB minus
• Imul Multiply
• Xor different or
• OR OR
• And and
• SAL Move Left
• SHL Move Left
• SAR Arithmetic Right Shift
• SHR Logical Right Shift

2018-2019-1 20165302 "Information Security system Design Fundamentals" Third Week study summary