Skip to content

Commit

Permalink
legacy-bios-sequence.dia: remind that BIOS initializes RAM
Browse files Browse the repository at this point in the history 
Signed-off-by: Michael Opdenacker <[email protected]>
  • Loading branch information
Michael Opdenacker committed Dec 5, 2023
1 parent 6138ea9 commit 7abb29f
Showing 1 changed file with 51 additions and 28 deletions.
79 changes: 51 additions & 28 deletions slides/sysdev-bootloaders-sequence/legacy-bios-sequence.dia
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,10 @@
<dia:diagram xmlns:dia="http://www.lysator.liu.se/~alla/dia/">
<dia:diagramdata>
<dia:attribute name="background">
<dia:color val="#ffffff"/>
<dia:color val="#ffffffff"/>
</dia:attribute>
<dia:attribute name="pagebreak">
<dia:color val="#000099"/>
<dia:color val="#000099ff"/>
</dia:attribute>
<dia:attribute name="paper">
<dia:composite type="paper">
Expand Down Expand Up @@ -37,6 +37,9 @@
</dia:attribute>
<dia:attribute name="grid">
<dia:composite type="grid">
<dia:attribute name="dynamic">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="width_x">
<dia:real val="1"/>
</dia:attribute>
Expand All @@ -53,16 +56,35 @@
</dia:composite>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#d8e5e5"/>
<dia:color val="#d8e5e5ff"/>
</dia:attribute>
<dia:attribute name="guides">
<dia:composite type="guides">
<dia:attribute name="hguides"/>
<dia:attribute name="vguides"/>
</dia:composite>
</dia:attribute>
<dia:attribute name="display">
<dia:composite type="display">
<dia:attribute name="antialiased">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="snap-to-grid">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="snap-to-object">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="show-grid">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="show-connection-points">
<dia:boolean val="true"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
</dia:diagramdata>
<dia:layer name="Arrière-plan" visible="true" active="true">
<dia:layer name="Arrière-plan" visible="true" connectable="true" active="true">
<dia:object type="Standard - Box" version="0" id="O0">
<dia:attribute name="obj_pos">
<dia:point val="29,2"/>
Expand All @@ -83,10 +105,10 @@
<dia:real val="0.10000000149011612"/>
</dia:attribute>
<dia:attribute name="border_color">
<dia:color val="#5cacff"/>
<dia:color val="#5cacffff"/>
</dia:attribute>
<dia:attribute name="inner_color">
<dia:color val="#add8e6"/>
<dia:color val="#add8e6ff"/>
</dia:attribute>
<dia:attribute name="show_background">
<dia:boolean val="true"/>
Expand Down Expand Up @@ -115,10 +137,10 @@
<dia:real val="0.10000000149011612"/>
</dia:attribute>
<dia:attribute name="border_color">
<dia:color val="#5cacff"/>
<dia:color val="#5cacffff"/>
</dia:attribute>
<dia:attribute name="inner_color">
<dia:color val="#add8e6"/>
<dia:color val="#add8e6ff"/>
</dia:attribute>
<dia:attribute name="show_background">
<dia:boolean val="true"/>
Expand Down Expand Up @@ -147,10 +169,10 @@
<dia:real val="0.10000000149011612"/>
</dia:attribute>
<dia:attribute name="border_color">
<dia:color val="#5cacff"/>
<dia:color val="#5cacffff"/>
</dia:attribute>
<dia:attribute name="inner_color">
<dia:color val="#add8e6"/>
<dia:color val="#add8e6ff"/>
</dia:attribute>
<dia:attribute name="show_background">
<dia:boolean val="true"/>
Expand Down Expand Up @@ -179,10 +201,10 @@
<dia:real val="0.10000000149011612"/>
</dia:attribute>
<dia:attribute name="border_color">
<dia:color val="#5cacff"/>
<dia:color val="#5cacffff"/>
</dia:attribute>
<dia:attribute name="inner_color">
<dia:color val="#add8e6"/>
<dia:color val="#add8e6ff"/>
</dia:attribute>
<dia:attribute name="show_background">
<dia:boolean val="true"/>
Expand All @@ -196,7 +218,7 @@
<dia:point val="37.0494,5"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="36.9994,4.6382;38.4624,5.3618"/>
<dia:rectangle val="36.9994,4.6382;38.4006,5.3618"/>
</dia:attribute>
<dia:attribute name="conn_endpoints">
<dia:point val="37.0494,5"/>
Expand Down Expand Up @@ -224,7 +246,7 @@
<dia:point val="46.4503,5"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="46.4003,4.6382;48.0615,5.3618"/>
<dia:rectangle val="46.4003,4.6382;47.9997,5.3618"/>
</dia:attribute>
<dia:attribute name="conn_endpoints">
<dia:point val="46.4503,5"/>
Expand Down Expand Up @@ -252,7 +274,7 @@
<dia:point val="56.0501,5"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="56.0001,4.6382;57.5617,5.3618"/>
<dia:rectangle val="56.0001,4.6382;57.4999,5.3618"/>
</dia:attribute>
<dia:attribute name="conn_endpoints">
<dia:point val="56.0501,5"/>
Expand Down Expand Up @@ -297,7 +319,7 @@
<dia:point val="33,4.4"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand All @@ -310,15 +332,16 @@
</dia:object>
<dia:object type="Standard - Text" version="1" id="O8">
<dia:attribute name="obj_pos">
<dia:point val="33,7.2"/>
<dia:point val="33,6.45"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="30.5487,6.38579;35.4513,7.41802"/>
<dia:rectangle val="29.7842,5.60999;36.19,7.60157"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#from ROM/flash#</dia:string>
<dia:string>#runs from ROM/flash
initializes RAM#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="Latin Modern Sans" style="0" name="Courier"/>
Expand All @@ -327,10 +350,10 @@
<dia:real val="0.88194441050291061"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="33,7.2"/>
<dia:point val="33,6.45"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand Down Expand Up @@ -364,7 +387,7 @@ stage 1#</dia:string>
<dia:point val="42.4,3.6"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand Down Expand Up @@ -398,7 +421,7 @@ runs from RAM#</dia:string>
<dia:point val="42.6,6.4"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand All @@ -414,7 +437,7 @@ runs from RAM#</dia:string>
<dia:point val="52,3.5"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="49.155,2.17946;54.8854,5.32716"/>
<dia:rectangle val="49.155,2.21984;54.845,5.24639"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
Expand All @@ -432,7 +455,7 @@ stage 2#</dia:string>
<dia:point val="52,3.5"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand Down Expand Up @@ -465,7 +488,7 @@ stage 2#</dia:string>
<dia:point val="61.5,4.1"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand Down Expand Up @@ -499,7 +522,7 @@ runs from RAM#</dia:string>
<dia:point val="52,6.6"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand Down Expand Up @@ -533,7 +556,7 @@ runs from RAM#</dia:string>
<dia:point val="61.6,6.6"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000"/>
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
Expand Down

0 comments on commit 7abb29f

Please sign in to comment.