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Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:05:44 2008 UTC (16 years, 3 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD
Changes since 1.1: +0 -0 lines 

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: ld.script,v 1.1 2003/03/28 22:42:26 mickey Exp $	*/

OUTPUT_FORMAT("elf32-hppa")
OUTPUT_ARCH(hppa)
ENTRY(begin)

SECTIONS {

	/* Read-only sections, merged into text segment: */
	. = + SIZEOF_HEADERS;
	.text : {
		*(.text)
		*(.text.*)
		*(.rodata)
		*(.rodata1)
		*($CODE$)
		etext = .;
	} = 0x08000240

	/* Read-write sections, merged into data segment: */
	.data : {
		$global$ = .;
		*(.data)
		*(.data1)
		*(.sdata)
		*(.sdata2)
		*(.dynamic)
		CONSTRUCTORS
		edata = ABSOLUTE(.);
	} = 0

	.bss : {
		__bss_start = .;
		*(.dynbss)
		*(.bss)
		*(.sbss)
		*(.scommon)
		*(COMMON)
		end = ABSOLUTE(.);
		__bss_end = .;
	}

	/* don't need an unwind in the boot, unless we'll have a boot-ddb (; */
	/DISCARD/ :
	{
		*(.PARISC.unwind)
	}
}