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rp2: Add binary info for ROMFS. #17637

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rp2: Add binary info for ROMFS. #17637

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This describes the ROMFS location and size in Pico SDK's binary declaration format, so it can be read from a .uf2 file for use with various tools (specifically my CI UF2 wrangling).

Changes the py_decl output from:

/py_decl.py --to-json build-RPI_PICO2/firmware.uf2
<snip>
    "BlockDevice": [
        {
            "name": "MicroPython",
            "address": 269746176,
            "size": 2883584,
            "flags": 3
        }
    ],
<snip>

to:

/py_decl.py --to-json build-RPI_PICO2/firmware.uf2
<snip>
    "BlockDevice": [
        {
            "name": "ROMFS",
            "address": 269484032,
            "size": 262144,
            "flags": 1
        },
        {
            "name": "MicroPython",
            "address": 269746176,
            "size": 2883584,
            "flags": 3
        }
    ],
<snip>

@Gadgetoid
rp2: Add binary info for ROMFS.
2956aba 
Signed-off-by: Phil Howard <github@gadgetoid.com>
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github-actions bot commented Jul 8, 2025

Code size report:

   bare-arm:    +0 +0.000% 
minimal x86:    +0 +0.000% 
   unix x64:    +0 +0.000% standard
      stm32:    +0 +0.000% PYBV10
     mimxrt:    +0 +0.000% TEENSY40
        rp2:    +0 +0.000% RPI_PICO_W
       samd:    +0 +0.000% ADAFRUIT_ITSYBITSY_M4_EXPRESS
  qemu rv32:    +0 +0.000% VIRT_RV32

@Gadgetoid Gadgetoid mentioned this pull request Jul 8, 2025
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