[coreboot] patch: unshare pci operations

Stefan Reinauer stepan at coresystems.de
Thu Oct 23 09:33:06 CEST 2008


Here's the memory map of the low meg on one of my boxes running coreboot:

         * 0x00000000 - 0x000003ff      Real Mode IVT
         * 0x00000020 - 0x0000019c      MP Table (XXX conflict?)
         * 0x00000400 - 0x000004ff      BDA (somewhat unused)
         * 0x00000500 - 0x0000052f      Moved GDT
         * 0x00000530 - 0x00000b64      coreboot table
         * 0x00000c00 - 0x00000c9f      SMI communication
         * 0x0007c000 - 0x0007dfff      OS boot sector (unused?)
         * 0x0007e000 - 0x0007ffff      free to use
         * 0x00080000 - 0x0009fbff      usable ram
         * 0x0009fc00 - 0x0009ffff      EBDA (unused at the moment?)
         * 0x000a0000 - 0x000bffff      VGA memory
         * 0x000c0000 - 0x000cffff      VGA option rom
         * 0x000d0000 - 0x000dffff      free for other option roms?
         * 0x000e0000 - 0x000fffff      SeaBIOS? (XXX conflict?)
         * 0x000f0000 - 0x000f03ff      PIRQ table
         * 0x000f0400 - 0x000f66??      ACPI tables
         * 0x000f66?? - 0x000f????      DMI tables

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