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Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

/* $OpenBSD: */
OUTPUT_ARCH(powerpc)
SECTIONS
{
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  .hash          : { *(.hash)		}
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  .rela.data     : { *(.rela.data) 	}
  .rel.rodata    : { *(.rel.rodata) 	}
  .rela.rodata   : { *(.rela.rodata) 	}
  .rel.got       : { *(.rel.got)		}
  .rela.got      : { *(.rela.got)		}
  .rel.ctors     : { *(.rel.ctors)	}
  .rela.ctors    : { *(.rela.ctors)	}
  .rel.dtors     : { *(.rel.dtors)	}
  .rela.dtors    : { *(.rela.dtors)	}
  .rel.bss       : { *(.rel.bss)		}
  .rela.bss      : { *(.rela.bss)		}
  .rel.plt       : { *(.rel.plt)		}
  .rela.plt      : { *(.rela.plt)		}
  .init          : { *(.init)	} =0
  .plt : { *(.plt) }
  .text      :
  {
    *(.text)
    *(.rodata)
    *(.rodata.*)
    *(.rodata1)
    *(.got1)
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  .fini      : { *(.fini)    } =0
  .ctors     : { *(.ctors)   }
  .dtors     : { *(.dtors)   }
  _etext = .;
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  . = (. + 0x0FFF) & 0xFFFFF000;
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    *(.data)
    *(.data1)
    *(.sdata)
    *(.sdata2)
    *(.got.plt) *(.got)
    *(.dynamic)
    CONSTRUCTORS
  }
  _edata  =  .;
  PROVIDE (edata = .);
  __bss_start = .;
  .bss       :
  {
   *(.sbss) *(.scommon)
   *(.dynbss)
   *(.bss)
   *(COMMON)
  }
  _end = . ;
  PROVIDE (end = .);
}