systems-programming
pagesize and its ratio to 4096
Are there systems, where minimal page of memory (pagesize) has a size not divisible by 2, or by 1024, 4096?[详细]
2022-12-26 04:54 分类：问答Directly Jump to another C++ function
I\'m porting a small academic OS from TriCore to ARM Cortex (Thumb-2 instruction set). For the scheduler to work, I sometimes need to JUMP directly to another function without modifying the stack nor[详细]
2022-12-25 13:44 分类：问答What's the shortest code to write directly to a memory address in C/C++?
I\'m writing sys开发者_如何学Ctem-level code for an embedded system without memory protection (on an ARM Cortex-M1, compiling with gcc 4.3) and need to read/write directly to a memory-mapped register.[详细]
2022-12-22 17:28 分类：问答What happens to an open file handle on Linux if the pointed file gets moved or deleted
What happens to an open file handle on Linux if the pointed file meanwhile gets: Moved aw开发者_开发问答ay -> Does the file handle stay valid?[详细]
2022-12-15 17:13 分类：问答what is work area in system programming?
i have read it when i was learnin开发者_开发百科g linking. When the program is going to be executed it was first linked by linker. At that time it was put in work area. Now i want to now what is this[详细]
2022-12-13 17:08 分类：问答
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