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https://www.bottomupcs.com/hardware_support_for_virtual_memory.xhtml
Hardware support for virtual memory As covered in the section called “The TLB” , the processor hardware provides a lookup-table that links virtual addresses to physical addresses. Each processor architecture defines different ways to manage the TLB with various advantages and disadvantages.
https://www.quora.com/What-is-hardware-support-for-virtual-memory
Hardware support for virtual memory, then, consists of specialized hardware for this purpose. This is what’s normally called a memory management unit, which implements a translation lookaside buffer in hardware. In this way, the CPU can efficiently access remapped memory, without having to make additional access(es) to main memory in order to access the TLB.
https://www.bottomupcs.com/virtual_memory_hardware.xhtml
Virtual memory, on the other hand, allows the program to specify any address and the operating system and hardware do the hard work of translating to a physical address.
https://www.cs.uic.edu/~jbell/CourseNotes/OperatingSystems/9_VirtualMemory.html
The hardware necessary to support virtual memory is the same as for paging and swapping: A page table and secondary memory. ( Swap space, whose allocation is discussed in chapter 12. A crucial part of the process is that the instruction must be restarted from scratch once the desired page has been made available in memory.
https://stackoverflow.com/questions/25867304/virtual-memory-without-hardware-support
Jun 04, 2016 · While reading this question and its answer I couldn't help but think why is it obligatory for the hardware to support virtual memory?. For example can't I simulate this behavior with software only (e.g the o.s with represent all the memory as some table, intercept all memory related actions and and do the mapping itself)?
https://unix.stackexchange.com/questions/395603/is-the-mmu-memory-management-unit-chip-necessary-for-a-processor-to-have-virtu
However, virtual memory requires some way of enforcing memory access control, or at least address translation, so it needs either full software emulation of the CPU running the software being controlled, or it needs hardware assistance.
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