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Address copilot review: update extra_scripts comment to match current implementation

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This commit is contained in:
J. Nick Koston
2026-04-15 13:56:39 -10:00
parent 90b311258a
commit 55845b3e85
1 changed files with 8 additions and 5 deletions
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esphome/components/libretiny/__init__.py
+8 -5
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@@ -467,11 +467,14 @@ async def component_to_code(config):
# it for project source files only. GCC uses the last -O flag.
build_src_flags += " -Os"
cg.add_platformio_option("build_src_flags", build_src_flags)
# BK72xx linker templates mark the SRAM region as (rw!x), which blocks the
# linker from placing executable code in .data — the section IRAM_ATTR
# targets on BK72xx (see esphome/core/hal.h). This pre-link hook flips the
# flag to (rwx) once LibreTiny has written the processed .ld file(s) into
# the build dir. No-op on every other family.
# IRAM_ATTR on LibreTiny expands to section(".sram.text") (see
# esphome/core/hal.h). This pre-link hook rewrites the processed .ld files
# in the build dir so that section lands in RAM on each family:
# - BK72xx: flip SRAM region (rw!x) -> (rwx) and inject
# KEEP(*(.sram.text*)) into the .data output section.
# - LN882H: inject KEEP(*(.sram.text*)) into .flash_copysection.
# - RTL8710B: inject KEEP(*(.sram.text*)) into .image2.ram.text.
# - RTL8720C: no-op (stock linker already consumes *(.sram.text*)).
cg.add_platformio_option("extra_scripts", ["pre:patch_linker.py"])
# dummy version code
cg.add_define("USE_ARDUINO_VERSION_CODE", cg.RawExpression("VERSION_CODE(0, 0, 0)"))