.gitignore

@@ -0,0 +1,2 @@
+*/wave
+*/work

README.md

@@ -2,7 +2,7 @@
 This repository is the public part of the thesis work created by Adam Magnusson and Erik Örtenberg at Chalmers Univerity of Technology. The work contained wihtin this repo details how a network interface will work, mostly built in VHDL.
 
 # Tool instructions
-TBW
+Read the README.md in `./scripts`
 
 # Build instructions
 TBW

scripts/.gitignore

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+# Created by venv; see https://docs.python.org/3/library/venv.html
+bin
+include
+lib  
+lib64  
+pyvenv.cfg
+__pycache__

scripts/README.md

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+# Installation
+* Run `python -m venv .`
+* Run `./bin/pip install -r requirements.txt`
+
+# Running 
+* `./bin/python gantry.py --help` documents how it works

scripts/build_env.py

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+import os
+from re import split
+import subprocess
+
+def ghdlEnvExists(relativePath="work"):
+    ## Check if work exists
+    try:
+        os.lstat(relativePath)
+    except:
+        return False
+    ## Check that work is writable
+    if not os.access(relativePath, os.W_OK):
+        print(f"{relativePath} is write-protected, please acquire correct permissions")
+        return False
+    cfFileExists = False
+    filesInWork = os.listdir(relativePath)
+    for file in filesInWork:
+        if ".cf" in file:
+            cfFileExists = True
+    if not cfFileExists:
+        return False
+    ## Nothing bad, continue
+    return True
+
+def createBuildEnv():
+    if ghdlEnvExists():
+        print("Build environment already exists, exiting...")
+        return -1
+    ## Create build env
+    print("Initializing GHDL project in current directory...")
+    os.makedirs("work",exist_ok=True)
+    addAllVHDLFiles(init=True)
+    return 0
+
+def addAllVHDLFiles(init=False):
+    ## Ensure everything is ready for adding files 
+    ## (init exception to avoid one if-case in ghdlEnvExists)
+    if not ghdlEnvExists() and not init:
+       return -1
+    vhdlFiles = []
+    currentlyAdded = []
+    ## Find already present files
+    if not init:
+        cfFileName = list(filter(lambda x: ".cf" in x, os.listdir("work")))[0]
+        cfFilePath = os.path.join(os.getcwd(),f"work/{cfFileName}")
+        currentlyAdded = getCurrentlyAddedFiles(cfFilePath)
+    ## Add files not added
+    for file in os.listdir():
+        if ".vhd" in file and file not in currentlyAdded:
+            vhdlFiles.append(file)
+    if len(vhdlFiles) > 0:
+        print(f"Detected new files. Adding {vhdlFiles}")
+        command = ["ghdl", "-i", "--workdir=work"] + vhdlFiles
+        subprocess.run(command)
+    return 0
+
+def getCurrentlyAddedFiles(cfFilePath:str):
+    f = open(cfFilePath,"r")
+    lines = f.readlines()
+    f.close()
+    fileLines = filter(lambda x: "file" in x, lines) 
+    files = map(lambda x: split("\" \"",x)[1], fileLines)
+    return list(files)
+
+
+if __name__ == "__main__":
+    getCurrentlyAddedFiles("work/work-obj93.cf")

scripts/dependecies.md

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+* GHDL = 4.1.0
+* Python >= 3.0.0
+* gtkwave >= v3.3.120
+

scripts/elab.py

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+import os
+import subprocess
+import build_env
+
+def elabDesign(topDef: str, arch: str, lib: str, std: str):
+    ## Add all source files present in pwd
+    if build_env.addAllVHDLFiles() == -1:
+        print("Adding files failed. GHDL Build environment may be broken...")
+        return -1
+    command = [
+        "ghdl", "-m", f"--workdir={lib}", f"--work={lib}", f"--std={std}",
+        "-o", f"{lib}/{topDef}-{arch}", f"{lib}.{topDef}", f"{arch}"]
+    subprocess.run(command)
+
+def runDesign(topDef: str, arch: str, lib: str, std: str):
+    ## elaborate first, then run
+    if elabDesign(topDef, arch, lib, std) == -1:
+        print("Elaboration failed...")
+        return -1
+    os.makedirs("wave",exist_ok=True)
+    libPath = os.path.join(os.getcwd(), lib)
+    wavePath = os.path.join(os.getcwd(), "wave")
+    command = [ ## may add -v for verbose
+        "ghdl", "-r", f"{topDef}", f"{arch}", 
+        f"--wave={os.path.join(libPath, topDef)}-{arch}.ghw" ##, "--read-wave-opt=<See"
+            ]
+    subprocess.run(command, cwd=libPath)
+    command = [
+        "gtkwave", f"{topDef}-{arch}.ghw", "--rcvar", 
+        "do_initial_zoom_fit yes"]
+    subprocess.run(command, cwd=wavePath)

scripts/gantry.py

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+import typer
+import elab
+import build_env
+from typing_extensions import Annotated
+
+app = typer.Typer()
+
+software = typer.Typer()
+hardware = typer.Typer()
+
+app.add_typer(software, name="sim", help="GHDL simulator command group")
+app.add_typer(hardware, name="syn", help="Synthesis and deployment command group")
+
+
+@software.command(help="Initializes the GHDL build environment in a library named \"work\". Adds all files ending in \".vhd\" to the project")
+def init():
+    return build_env.createBuildEnv()
+
+
+def complete_vhdl_ver():
+    return ["87", "93", "93c", "00", "02", "08"]
+
+@software.command(help="Runs analysis and elaboration on the provided top definition and architecture using GHDL. Automatically adds new files not present in the project")
+def elab(
+        topdef: Annotated[str, typer.Argument(help="Top Definition entity to synthesize")] = "",
+        arch: Annotated[str, typer.Argument(help="Architecture to synthesize within the top definition provided")] = "",
+        library: Annotated[str, typer.Option("--library", "-l", help="Library to compile from")] = "work",
+        std: Annotated[str, typer.Option(help="Which VHDL standard to use. 87, 93, 93c, 00, 02 or 08", autocompletion=complete_vhdl_ver)] = "93c"
+        ):
+    print(f"Elaborating {topdef} with arch {arch} in library {library}. VHDL {std}")
+    return elab.elabDesign(topdef, arch, library, std)
+
+@software.command(help="Simulates elaborated design in GHDL and views waves in gtkwave. Automatically runs `gantry elab` on the same top def and arch.")
+def run(
+        topdef: Annotated[str, typer.Argument(help="Top Definition entity to synthesize")] = "",
+        arch: Annotated[str, typer.Argument(help="Architecture to synthesize within the top definition provided")] = "",
+        library: Annotated[str, typer.Option("--library", "-l", help="Library to compile from")] = "work",
+        std: Annotated[str, typer.Option(help="Which VHDL standard to use. 87, 93, 93c, 00, 02 or 08", autocompletion=complete_vhdl_ver)] = "93c"
+        ):
+    print(f"Running (and synthesizing if needed) {topdef} with arch {arch} in library {library}. VHDL {std}")
+    return elab.runDesign(topdef, arch, library, std)
+
+@hardware.command()
+def build():
+    print("Build!")
+
+if __name__ == "__main__":
+    app()

scripts/requirements.txt

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+click==8.1.8
+markdown-it-py==3.0.0
+mdurl==0.1.2
+Pygments==2.19.1
+rich==13.9.4
+setuptools==75.8.0
+shellingham==1.5.4
+type-extensions==0.1.2
+typer==0.15.1
+typing_extensions==4.12.2