1d ago · 3 min read · xv6 Book; Chapter 6 - 7 - Interrupts & Device Driver; Locks: https://pdos.csail.mit.edu/6.1810/2025/xv6/book-riscv-rev5.pdf Chapter 6 and 7 are about Interrupts, device driver and locks. Interrupts an
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Jan 11 · 6 min read · The Care and Feeding of Interrupt Handlers Dear diary, Today I decided to give my embryonic operating system a voice. Not literally—that would be terrifying—but an interactive shell so it could at least complain about its existence in real time. What...
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Jan 10 · 7 min read · Dear diary, today I discovered that leaving the comfortable embrace of UEFI is like moving out of your parents' house at 40. Everything that used to work magically now requires you to actually understand how the world functions. It was 9am when I sat...
Join discussionJan 9 · 7 min read · From Power-On to 'Oh No' Dear Diary: MinGW, M1, and the Sweet Taste of Actually Working Code January 2, 2026 - ChronOS Development Log Dear diary, today I discovered that building an operating system kernel is like trying to assemble IKEA furniture w...
Join discussionJan 9 · 7 min read · IRQs and the Art of Not Crashing Dear diary, today I committed to building an operating system again. No, I'm not okay. It's January 2nd, 2026, and while normal people are nursing hangovers and pretending they'll actually go to the gym this year, I'm...
Join discussionJan 9 · 7 min read · IRQs and the Art of Not Crashing Dear diary, today I committed to building an operating system again. No, I'm not okay. It's January 2nd, 2026, and while normal people are nursing hangovers and pretending they'll actually go to the gym this year, I'm...
Join discussionMay 14, 2025 · 3 min read · Interrupts in Arduino allow the microcontroller to immediately respond to external or internal events without constantly polling (checking) inputs. They pause the normal program flow, execute a special function (ISR), and then resume the original tas...
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Dec 11, 2014 · 3 min read · Interrupts are hardware signals generated by I/O devices to request attention from the CPU. Devices generate interrupts either through physical interrupt lines or via message-signaled interrupts (MSI/MSI-X). These interrupts are routed through an Int...
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