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This commit is contained in:
J. Nick Koston
2025-10-20 15:30:04 -10:00
parent 4e629dfd89
commit c2147a57f1
1 changed files with 38 additions and 9 deletions
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47
esphome/components/esp8266/testing_mode.py.script
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@@ -5,6 +5,12 @@ import re
Import("env") # noqa
# Memory sizes for testing mode (allow larger builds for CI component grouping)
TESTING_IRAM_SIZE = "0x200000" # 2MB
TESTING_DRAM_SIZE = "0x200000" # 2MB
TESTING_FLASH_SIZE = "0x2000000" # 32MB
def patch_segment_size(content, segment_name, new_size, label):
"""Patch a memory segment's length in linker script.
@@ -34,29 +40,43 @@ def apply_memory_patches(content):
"""
patches_applied = []
# Patch IRAM to 2MB (for larger code in IRAM)
content, patched = patch_segment_size(content, "iram1_0_seg", "0x200000", "IRAM")
# Patch IRAM (for larger code in IRAM)
content, patched = patch_segment_size(content, "iram1_0_seg", TESTING_IRAM_SIZE, "IRAM")
if patched:
patches_applied.append("IRAM")
# Patch DRAM to 2MB (for larger BSS/data sections)
content, patched = patch_segment_size(content, "dram0_0_seg", "0x200000", "DRAM")
# Patch DRAM (for larger BSS/data sections)
content, patched = patch_segment_size(content, "dram0_0_seg", TESTING_DRAM_SIZE, "DRAM")
if patched:
patches_applied.append("DRAM")
# Patch Flash to 32MB (for larger code sections)
content, patched = patch_segment_size(content, "irom0_0_seg", "0x2000000", "Flash")
# Patch Flash (for larger code sections)
content, patched = patch_segment_size(content, "irom0_0_seg", TESTING_FLASH_SIZE, "Flash")
if patched:
patches_applied.append("Flash")
if patches_applied:
print(f" Patched memory segments: {', '.join(patches_applied)} (IRAM/DRAM: 2MB, Flash: 32MB)")
iram_mb = int(TESTING_IRAM_SIZE, 16) // (1024 * 1024)
dram_mb = int(TESTING_DRAM_SIZE, 16) // (1024 * 1024)
flash_mb = int(TESTING_FLASH_SIZE, 16) // (1024 * 1024)
print(f" Patched memory segments: {', '.join(patches_applied)} (IRAM/DRAM: {iram_mb}MB, Flash: {flash_mb}MB)")
return content
def patch_linker_script_file(filepath, description):
"""Patch a single linker script file in place."""
"""Patch a linker script file in the build directory with enlarged memory segments.
This function modifies linker scripts in the build directory only (never SDK files).
It patches IRAM, DRAM, and Flash segments to allow larger builds in testing mode.
Args:
filepath: Path to the linker script file in the build directory
description: Human-readable description for logging
Returns:
True if the file was patched, False if already patched or not found
"""
if not os.path.exists(filepath):
print(f"ESPHome: {description} not found at {filepath}")
return False
@@ -78,7 +98,16 @@ def patch_linker_script_file(filepath, description):
def patch_local_linker_script(source, target, env):
"""Patch the local.eagle.app.v6.common.ld in build directory for IRAM."""
"""Patch the local.eagle.app.v6.common.ld in build directory.
This patches the preprocessed linker script that PlatformIO creates in the build
directory, enlarging IRAM, DRAM, and Flash segments for testing mode.
Args:
source: SCons source nodes
target: SCons target nodes
env: SCons environment
"""
# Check if we're in testing mode
build_flags = env.get("BUILD_FLAGS", [])
testing_mode = any("-DESPHOME_TESTING_MODE" in flag for flag in build_flags)