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This is a mechanism service during other devices delay signals masking through provided
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| bet | 8/10 | | Sana | 04.07.2024 | | Hajmi | 319,4 Kb. | | #266583 |
Bog'liq RGqpeVcTGrACPEqq2WlPDTbgx7NbOwBBfRKOuADM(1)This is a mechanism service during other devices delay signals masking through provided .
In AU mode priority always _ absolute and active will be the most small priority programs interruptions calls .
Interruption with NU systems delay depth 1 ha teng ,
Interruption with AU systems depth greater than 1 : 2.3,… ( internal interruptions ) .
Interruptions with AU system response time _ _ _ rule on , NU li delay systems than small will be .
NU holatida uzilish signaliga berilgan ustivorlik nisbiy, ya’ni, har doim ham harakat qilmaydi, lekin faqat bir vaqtning o’zida bir nechta uzilish so’rovlarini qabul qilish vaqtida.
Agar yuqori ustivorlik signali pastroq ustivorlikka ega bo’lgan signaldan keyinroq kelsa, u holda ushbu quyi ustivorlik signaliga ko’rsatilayotgan xizmatni yuqori ustivorlik signali bilan uzib bo’lmaydi, ya’ni, tugatguncha uzilishlarsiz amalga oshiriladi va faqat shundan keyingina yuqori ustivorlikka ega bo’lgan so’rov bo’yicha xizmat boshlanadi.
Bu mexanizm xizmat davomida boshqa qurilmalardan uzilish signallarini maskalash orqali ta’minlanadi.
AU holatida ustivorlik har doim absolyut va faol bo’ladi, eng kichik ustivorlikli dasturlarni uzilishlarini chaqiradi.
NU li uzilish tizimlarining uzilish chuqurligi 1 ga teng,
AU li uzilish tizimlarining chuqurligi 1 dan katta: 2,3,… (ichki uzilishlar).
AU li uzilishlar tizimi javob (reaksiya) vaqti qoida bo’yicha, NU li uzilish tizimlariga qaraganda kichik bo’ladi.
IBM PC Delay system
Interruption in the system arbitrator (arbitrator) external from sources and internal from sources delay alarms acceptance to do for two to the port has _
NMI input to INTR input than high priority has _ Krome togo, vxod NMI ne maskiruetsya, a vxod INTR maskiruetsya maskoy prerыvaniy IF iz registra priznakov TsP.
Therefore for hardware ( external ) interruptions _ two type divided into : masked and unmasked _
IBM PC uzilish tizimi
Uzilish sistemasidagi arbitr (hakam) tashqi manbalardan va ichki manbalardan uzilish signalini qabul qilish uchun ikkita portga ega.
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