From fb72d05d3d8b4b37a4a8dc4cf4355eb0a3fafeef Mon Sep 17 00:00:00 2001 From: Nic Gaffney Date: Tue, 6 Feb 2024 05:01:47 -0600 Subject: Updated gitignore --- notes.txt | 23 ----------------------- 1 file changed, 23 deletions(-) delete mode 100644 notes.txt (limited to 'notes.txt') diff --git a/notes.txt b/notes.txt deleted file mode 100644 index 9016799..0000000 --- a/notes.txt +++ /dev/null @@ -1,23 +0,0 @@ - /* Defenitions: - * Segment: - * A logically contiguous chunk of memory with consistent properties from the cpus perspective - * - Just a bunch of memory dedicated for a specific purpose - * Segment Register: - * A register of the CPU that refers to a segment for a particular purpose (CS, DS, SS, ES) - * or for general use. (FS, GS) - * - Code segment, Data segment, ... - * Segment Selector: - * A reference to a descriptor, which you can load into a segment register; the selector is an offset - * into a descriptor table pointing to one of its entries. - * These entries are typically 8 bytes long, therefore - * bits 3 and up only declare the descriptor table entry offset - * bit 2 specifies GDT or LDT - * bits 0-1 declare ring level that needs to correspond to the descriptor table entry's DPL field. - * GENERAL PROTECTION FAULT if it doesn't - * If it does correspond then the CPL level of the selector used is changed accordingly - * - A pointer to an entry in the DT - * Segment Descriptor: - * An entry in a descriptor table. - * These are a binary data structure that tells the CPU the attributes of a given segment - * - A binary number that describes a segment - */ -- cgit v1.2.3