# fresh boot 4, after hostload marker/xhello/tftp runs
# free counter / global free list (read-only peek)
free counter: 22345840 bits = 2793230 bytes (2793 KB decimal)
global: 10 blocks, byte 0x0F5A7E..0x400000, 2705790 bytes usable
        bit 0x007AD3F0 byte 0x0F5A7E  size        84 B  end 0x0F5AD2  next 0x007ADF90
        bit 0x007ADF90 byte 0x0F5BF2  size        44 B  end 0x0F5C1E  next 0x007AEAD0
        bit 0x007AEAD0 byte 0x0F5D5A  size        88 B  end 0x0F5DB2  next 0x007AF0F0
        bit 0x007AF0F0 byte 0x0F5E1E  size     12768 B  end 0x0F8FFE  next 0x007DBCD0
        bit 0x007DBCD0 byte 0x0FB79A  size       836 B  end 0x0FBADE  next 0x007DF410
        bit 0x007DF410 byte 0x0FBE82  size     11364 B  end 0x0FEAE6  next 0x008DB630
        bit 0x008DB630 byte 0x11B6C6  size        56 B  end 0x11B6FE  next 0x009029D0
        bit 0x009029D0 byte 0x12053A  size       164 B  end 0x1205DE  next 0x009209F0
        bit 0x009209F0 byte 0x12413E  size        76 B  end 0x12418A  next 0x00B8CDD0
        bit 0x00B8CDD0 byte 0x1719BA  size   2680390 B  end 0x400000  next 0x00000000

# --at 0x018C0000 (marker .text target)
free counter: 22345520 bits = 2793190 bytes (2793 KB decimal)
global: 10 blocks, byte 0x0F5A7E..0x400000, 2705790 bytes usable
check bit 0x018C0000 (byte 0x318000): INSIDE a free block
        global: block bit 0x00B8CDD0, 950272 bytes of headroom to its end

# --at 0x01840000 (xhello .text target)
free counter: 22345840 bits = 2793230 bytes (2793 KB decimal)
global: 10 blocks, byte 0x0F5A7E..0x400000, 2705790 bytes usable
check bit 0x01840000 (byte 0x308000): INSIDE a free block
        global: block bit 0x00B8CDD0, 1015808 bytes of headroom to its end