KimAnt ๐Ÿฅฆ

KimAnt ๐Ÿฅฆ

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KimAnt ๐Ÿฅฆ

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  • [์šด์˜์ฒด์ œ] CPU Interrupt

    Interrupt handler - ์ธํ„ฐ๋ŸฝํŠธ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” func - ISR (interrupt service routine) - ์ธํ„ฐ๋ŸฝํŠธ ๋ฐœ์ƒ! -> ์šด์˜์ฒด์ œ๊ฐ€ ์ˆ˜ํ–‰๋จ โญ๏ธ ์ธํ„ฐ๋ŸฝํŠธ์˜ 3๊ฐ€์ง€ ์ข…๋ฅ˜ 1) Interrupt - Hardware interrupt - asynchronous - ๋น„๋™๊ธฐ๋กœ ์ฒ˜๋ฆฌ๋œ๋‹ค. - CPU๋Š” ์ด ์ž‘์—…(์ธํ„ฐ๋ŸฝํŠธ)๋ฅผ ๊ธฐ๋‹ค๋ฆฌ์ง€ ์•Š๋Š”๋‹ค -> ๋‹ค๋ฅธ ์ž‘์—… ์ˆ˜ํ–‰ -> ๋‹ค์‹œ ๋Œ์•„์˜ด == acync - ex) ํ‚ค๋ณด๋“œ ์ธํ„ฐ๋ŸฝํŠธ, timer interrupt 2) Trap - Software interrupt - Application process - Sync ๋™๊ธฐ์ ์œผ๋กœ ์ฒ˜๋ฆฌ๋œ๋‹ค. - ex) System Call -> App์ด ๋””์Šคํฌ์—์„œ ๋ฐ์ดํ„ฐ ์ฝ์–ด๋‹ฌ๋ผ๊ณ  OS์—๊ฒŒ ๋„์›€ ์š”์ฒญ (์บก์Аํ™”, ์ธํ„ฐํŽ˜์ด์Šค ..

    2023.03.25
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