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build.plat: remove TemplatedPlatform.unix_interpreter.

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Vendor toolchains generally require far more workarounds than this,
and we already have a perfectly fine way of overriding templates.
This commit is contained in:
whitequark 2019-08-21 21:02:05 +00:00
parent 1fc63a62c0
commit 25b280dba1
2 changed files with 7 additions and 11 deletions
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10
nmigen/build/plat.py
View file

@ -225,13 +225,11 @@ class TemplatedPlatform(Platform):
toolchain = abstractproperty()
file_templates = abstractproperty()
command_templates = abstractproperty()
unix_interpreter = "sh"
build_script_templates = {
"build_{{name}}.sh": """
# {{autogenerated}}
set -e{{verbose("x")}}
{{emit_unix_interpreter()}}
[ -n "$NMIGEN_{{platform.toolchain}}_env" ] && . "$NMIGEN_{{platform.toolchain}}_env"
{{emit_commands("sh")}}
""",
@ -248,13 +246,6 @@ class TemplatedPlatform(Platform):
# and to incorporate the nMigen version into generated code.
autogenerated = "Automatically generated by nMigen {}. Do not edit.".format(__version__)
def emit_unix_interpreter():
if self.unix_interpreter == "sh":
return "# runs on any POSIX sh"
if self.unix_interpreter == "bash":
return """if [ -z "$BASH" ] ; then exec /bin/bash "$0" "$@"; fi"""
assert False
def emit_design(backend):
backend_mod = {"rtlil": rtlil, "verilog": verilog}[backend]
return backend_mod.convert_fragment(fragment, name=name)
@ -321,7 +312,6 @@ class TemplatedPlatform(Platform):
return compiled.render({
"name": name,
"platform": self,
"emit_unix_interpreter": emit_unix_interpreter,
"emit_design": emit_design,
"emit_commands": emit_commands,
"get_tool": get_tool,

8
nmigen/vendor/xilinx_spartan_3_6.py vendored
View file

@ -76,6 +76,13 @@ class XilinxSpartan3Or6Platform(TemplatedPlatform):
file_templates = {
**TemplatedPlatform.build_script_templates,
"build_{{name}}.sh": r"""
# {{autogenerated}}
set -e{{verbose("x")}}
if [ -z "$BASH" ] ; then exec /bin/bash "$0" "$@"; fi
[ -n "$NMIGEN_{{platform.toolchain}}_env" ] && . "$NMIGEN_{{platform.toolchain}}_env"
{{emit_commands("sh")}}
""",
"{{name}}.v": r"""
/* {{autogenerated}} */
{{emit_design("verilog")}}
@ -118,7 +125,6 @@ class XilinxSpartan3Or6Platform(TemplatedPlatform):
{{get_override("add_constraints")|default("# (add_constraints placeholder)")}}
"""
}
unix_interpreter = "bash"
command_templates = [
r"""
{{get_tool("xst")}}