called an interrupt handler (or an interrupt service routine, ISR) to deal with the event. This interruption is often temporary, allowing the software to resume...
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INT (x86 instruction) (redirect from Interrupt 3)
language instruction for x86 processors that generates a software interrupt. It takes the interrupt number formatted as a byte value. When written in assembly...
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specific interrupt condition. Interrupt handlers are initiated by hardware interrupts, software interrupt instructions, or software exceptions, and are used...
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Operating system (section Software interrupt)
after the interrupt is serviced. A software interrupt is a message to a process that an event has occurred. This contrasts with a hardware interrupt — which...
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execute the BIOS interrupt calls in the Virtual 8086 mode, but only for OS booting) to access up to 4GB memory. In all computers, software instructions control...
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256 interrupt vectors and the use of the IDT is triggered by three types of events: processor exceptions, hardware interrupts, and software interrupts, which...
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in a table of interrupt vectors. Each entry of the interrupt vector table, called an interrupt vector, is the address of an interrupt handler (also known...
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interrupts are enabled. The Interrupt flag does not affect the handling of non-maskable interrupts (NMIs) or software interrupts generated by the INT instruction...
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INT 13H (redirect from Interrupt 13h)
extensions. INT is an x86 instruction that triggers a software interrupt, and 13hex is the interrupt number (as a hexadecimal value) being called. Modern...
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all handle interrupts in a similar fashion. There are three hardware interrupt signals common to all 65xx processors and one software interrupt, the BRK...
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events. Installing a software interrupt vector allows it to be called by the currently running program. Installing a timer interrupt handler allows a TSR...
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In a computer, an interrupt request (or IRQ) is a hardware signal sent to the processor that temporarily stops a running program and allows a special...
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Ntoskrnl.exe (section Interrupt handling)
exceptions. For some IA-32 versions of the kernel, one example of such a software interrupt handler (of which there are many) is in its IDT table entry 2E16 (hexadecimal;...
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In computing, a non-maskable interrupt (NMI) is a hardware interrupt that standard interrupt-masking techniques in the system cannot ignore. It typically...
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computing, a programmable interrupt controller (PIC) is an integrated circuit that helps a microprocessor (or CPU) handle interrupt requests (IRQs) coming...
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destination operands are swapped, among many other differences.) Using the software interrupt 21h instruction to call the MS-DOS operating system for output to...
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DOS API (redirect from DOS interrupt call)
DOS-compatible operating systems. Most calls to the DOS API are invoked using software interrupt 21h (INT 21h). By calling INT 21h with a subfunction number in the...
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shorthand for interrupt INT (x86 instruction), an assembly language instruction for the x86 architecture for generating a software interrupt abbreviation...
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no possibility of conflicting with any existing software. A special BIOS routine – software interrupt 0x15, subfunction 0x85 – was added to signal the...
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implement this is to use a software interrupt or trap. Interrupts transfer control to the operating system kernel, so software simply needs to set up some...
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computing, Intel's Advanced Programmable Interrupt Controller (APIC) is a family of programmable interrupt controllers. As its name suggests, the APIC...
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indicated in hardware by the registers in a programmable interrupt controller, or in software by a bitmask or integer value and source code of threads...
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is usually not changed for a converted program), and executing a software interrupt, INT #224. The result is returned in the AL register if it is a byte...
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Motorola 68000 (section Interrupts)
from exception, i.e. an interrupt), TRAP (trigger a software exception similar to software interrupt), CHK (a conditional software exception) Branch: Bcc...
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Real-time clock (section Software-based RTCs)
(often less than 1 ppm). Software can do the math to make these into accurate RTCs. The hardware timer can produce a periodic interrupt, e.g. 50 Hz, to mimic...
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level, such as interrupts generated by hardware devices, software interrupt instructions, or state changes in polling. On this level, interrupt handlers and...
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| | | | '------. <user> <system> <nice> <idle> <IOWait> <hardware/software interrupt> <steal time> MiB Mem : 1031911.+total, 368915.2 free, 172285.0 used...
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conditions. PCI Express permits devices to use these legacy interrupt messages, retaining software compatibility with PCI drivers, but they are required to...
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is usually not changed for a converted program), and executing a software interrupt, INT #224. The result is returned in the AL register if it is a byte...
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INT 10H (redirect from Interrupt 0x10)
for BIOS interrupt call 10hex, the 17th interrupt vector in an x86-based computer system. The BIOS typically sets up a real mode interrupt handler at...
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