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ISC2
os
notes_cours
Commits
7167e71f
Commit
7167e71f
authored
1 year ago
by
iliya
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Makefile
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Makefile
content/00_intro.md
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content/00_intro.md
content/01_organisation_memoire.md
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content/01_organisation_memoire.md
figs/address_space_processes.png
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Makefile
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@@ -5,7 +5,7 @@ PDFOPTIONS = --highlight-style kate
PDFOPTIONS
+=
--pdf-engine
xelatex
PDFOPTIONS
+=
--number-sections
PDFOPTIONS
+=
--metadata-file
=
metadata.yaml
#
PDFOPTIONS += --template=eisvogel.latex
PDFOPTIONS
+=
--template
=
eisvogel.latex
PDFOPTIONS
+=
--listings
METADATA
:=
metadata.yaml
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content/00_intro.md
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#
21 septembre 2023
#
Cours d'introduction --- Processus
## Introduction
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content/01_organisation_memoire.md
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@@ -9,10 +9,28 @@ le **MMU**.
## Virtual address space vs Physical address space
-
L'espace d'adressage virtuel est de 256TB, subdivisé en
**_pages_**
de 4KB.
-
L'espace d'adressage virtuel est de 256TB, subdivisé en
**_pages_**
de
**
4KB.
**
-
Sur une architecture x86-64, l'espace d'adressage physique est jusqu'à 1TB.
L'espace fourni par la RAM disponible sur une machine se situe dans cet espace
d'adressage physique.
Le
**
MMU
* va traduire une **page** de l'espace d'adressage **virtuel*
*
en une
**frame**
se situant dans l'espace d'adressage
**physique**
## Mapping Page $\Rightarrow$ Frame
**Ce mécanisme s'appelle pagination**
-
Le MMU réalise le mapping
**page**
vers
**frame**
## Espace d'adressage du processus
**Le noyau crée l'espace d'adressage de chaque processus**
## Organisation de la mémoire plus proche de la réalité
**Schéma important**

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