section gcc_except_table 0 4 0 1 0 1 0 1 data data !
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section data 0 4 0 1 0 1 0 1 bss bss !
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section bss 0 4 0 1 0 1 0 1 heap1 heap1 !
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section heap1 0 8 0 0 0 0 0 0 !
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section pci_window 100000 1 0 0 1 0 1 0 f00000 f00000 !This is the memory area that is dual-ported to devices onthe PCI bus. Such devices can read and write this memory areaas their own. Examples include the EBSA-285 Ethernet driver,which receives and transmits packets via this memory area.It must be 1Mb aligned, so that the MMU initialization can arrange for it to be uncacheable.