From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- docs/resources/diagrams/plantuml/tfa_dfd.puml | 66 +++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 docs/resources/diagrams/plantuml/tfa_dfd.puml (limited to 'docs/resources/diagrams/plantuml/tfa_dfd.puml') diff --git a/docs/resources/diagrams/plantuml/tfa_dfd.puml b/docs/resources/diagrams/plantuml/tfa_dfd.puml new file mode 100644 index 0000000..0007911 --- /dev/null +++ b/docs/resources/diagrams/plantuml/tfa_dfd.puml @@ -0,0 +1,66 @@ +/' + ' Copyright (c) 2021, Arm Limited. All rights reserved. + ' + ' SPDX-License-Identifier: BSD-3-Clause + '/ + +/' +TF-A Data Flow Diagram +'/ + +@startuml +digraph tfa_dfd { + + # Arrange nodes from left to right + rankdir="LR" + + # Allow arrows to end on cluster boundaries + compound=true + + # Default settings for edges and nodes + edge [minlen=2 color="#8c1b07"] + node [fillcolor="#ffb866" style=filled shape=box fixedsize=true width=1.6 height=0.7] + + # Nodes outside of the trust boundary + nsec [label="Non-secure\nClients"] + sec [label="Secure\nClients"] + dbg [label="Debug & Trace"] + logs [label="Logs\n(UART)"] + nvm [label="Non-volatile\nMemory"] + + # Trust boundary cluster + subgraph cluster_trusted{ + graph [style=dashed color="#f22430"] + + # HW IPs cluster + subgraph cluster_ip{ + label ="Hardware IPs"; + graph [style=filled color="#000000" fillcolor="#ffd29e"] + + rank="same" + gic [label="GIC" width=1.2 height=0.5] + tzc [label="TZ\nController" width=1.2 height=0.5] + etc [label="..." shape=none style=none height=0.5] + } + + # TF-A cluster + subgraph cluster_tfa{ + label ="TF-A"; + graph [style=filled color="#000000" fillcolor="#faf9cd"] + + bl1 [label="Boot ROM\n(BL1)" fillcolor="#ddffb3"]; + bl2 [label="Trusted Boot\nFirmware\n(BL2)" fillcolor="#ddffb3" height=1] + bl31 [label="TF-A Runtime\n(BL31)" fillcolor="#ddffb3"] + } + } + + # Interactions between nodes + nvm -> bl31 [lhead=cluster_tfa label="DF1"] + logs -> bl31 [dir="back" lhead=cluster_tfa label="DF2"] + dbg -> bl2 [dir="both" lhead=cluster_tfa label="DF3"] + sec -> bl2 [dir="both" lhead=cluster_tfa label="DF4"] + nsec -> bl1 [dir="both" lhead=cluster_tfa, label="DF5"] + bl2 -> tzc [dir="both" ltail=cluster_tfa lhead=cluster_ip label="DF6" minlen=1] +} + +@enduml -- cgit v1.2.3