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authorAmlal El Mahrouss <amlal@nekernel.org>2025-04-04 09:05:35 +0200
committerAmlal El Mahrouss <amlal@nekernel.org>2025-04-04 09:23:57 +0200
commit5e1ef5e23dd3e594072f8f32cbb4a6f392d36e55 (patch)
tree7a908bfccc9530a818d730a6a4de22739a910b6e /docs
parenta113f91c6be56c3f39fc7680ec7f5c814d4d2c27 (diff)
fw/modules: add astdx for embdfs.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'docs')
-rw-r--r--docs/drawio/FIRMWARE.drawio43
-rw-r--r--docs/md/SPECIFICATION_FIRMWARE.md (renamed from docs/SPECIFICATION_FIRMWARE.md)6
2 files changed, 46 insertions, 3 deletions
diff --git a/docs/drawio/FIRMWARE.drawio b/docs/drawio/FIRMWARE.drawio
new file mode 100644
index 0000000..7cfc174
--- /dev/null
+++ b/docs/drawio/FIRMWARE.drawio
@@ -0,0 +1,43 @@
+<mxfile host="65bd71144e">
+ <diagram id="Y4IiTM2VAUaSzFU077Gh" name="Page-1">
+ <mxGraphModel dx="1144" dy="698" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0">
+ <root>
+ <mxCell id="0"/>
+ <mxCell id="1" parent="0"/>
+ <mxCell id="2" value="EMBDFS (LAST BYTES TO BE LOADED BY BFL)" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+ <mxGeometry x="305" y="180" width="240" height="70" as="geometry"/>
+ </mxCell>
+ <mxCell id="5" style="edgeStyle=none;html=1;exitX=0;exitY=0.5;exitDx=0;exitDy=0;" edge="1" parent="1" source="3" target="4">
+ <mxGeometry relative="1" as="geometry"/>
+ </mxCell>
+ <mxCell id="6" value="Loads Stage2 from" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="5">
+ <mxGeometry x="-0.1733" relative="1" as="geometry">
+ <mxPoint as="offset"/>
+ </mxGeometry>
+ </mxCell>
+ <mxCell id="7" style="edgeStyle=none;html=1;exitX=0.5;exitY=0;exitDx=0;exitDy=0;" edge="1" parent="1" source="3" target="2">
+ <mxGeometry relative="1" as="geometry"/>
+ </mxCell>
+ <mxCell id="8" value="Loads Driver from" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="7">
+ <mxGeometry x="0.15" y="-2" relative="1" as="geometry">
+ <mxPoint as="offset"/>
+ </mxGeometry>
+ </mxCell>
+ <mxCell id="3" value="BASE FIRMWARE LAYER (FIRST BYTES&lt;div&gt;TO BE LOADED)&lt;/div&gt;" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+ <mxGeometry x="305" y="370" width="240" height="60" as="geometry"/>
+ </mxCell>
+ <mxCell id="9" style="edgeStyle=none;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;exitPerimeter=0;entryX=0.5;entryY=1;entryDx=0;entryDy=0;" edge="1" parent="1" source="4" target="3">
+ <mxGeometry relative="1" as="geometry"/>
+ </mxCell>
+ <mxCell id="10" value="If Stage2 part, load it and replace current context&lt;div&gt;with Stage2&lt;/div&gt;" style="edgeLabel;html=1;align=left;verticalAlign=middle;resizable=0;points=[];" vertex="1" connectable="0" parent="9">
+ <mxGeometry x="0.414" y="-2" relative="1" as="geometry">
+ <mxPoint as="offset"/>
+ </mxGeometry>
+ </mxCell>
+ <mxCell id="4" value="EPM Partition" style="shape=cylinder3;whiteSpace=wrap;html=1;boundedLbl=1;backgroundOutline=1;size=15;" vertex="1" parent="1">
+ <mxGeometry x="30" y="540" width="190" height="70" as="geometry"/>
+ </mxCell>
+ </root>
+ </mxGraphModel>
+ </diagram>
+</mxfile> \ No newline at end of file
diff --git a/docs/SPECIFICATION_FIRMWARE.md b/docs/md/SPECIFICATION_FIRMWARE.md
index b0b40b4..39aa2a0 100644
--- a/docs/SPECIFICATION_FIRMWARE.md
+++ b/docs/md/SPECIFICATION_FIRMWARE.md
@@ -5,7 +5,7 @@
==================================================================
==================================================================
-0. What we want:
+0. What the objective:
==================================================================
- Optimized for each target.
@@ -25,8 +25,8 @@
2. Executable Layout:
==================================================================
-- 0x80000000/0x00FF/0x1000: Firmware Startup Code
-- 0x90000000/0x7c00: Executable Information Header or equivalent.
+- 0x80000000/0x00FF/0x0000: Firmware Startup Code
+- 0x90000000/0x7c00: Linear Header or EPM partition.
==================================================================
3. Error Codes: