BTW, you should modify arch/i386/i386/autoconf.c to recognise `ed' devices
as the boot device.

Andrew

Jaromír Dolecek <jdolecek@netbsd.org> wrote:

> Hi,
> I'd like to add some support code to identify the PS/2 ESDI disks
> correctly and pass appropriate info to kernel. The code identifies
> currently all DTYPE_ESDI disks as ed(4) device. I think this
> is safe, but I'm not quite sure.
> 
> I'm appending the patch. Is it correct to do what I need this way?
> 
> Jaromir
> -- 
> Jaromir Dolecek <jdolecek@NetBSD.org>      http://www.ics.muni.cz/~dolecek/
> NetBSD - just plain best OS! -=*=- Got spare MCA cards or docs? Hand me them!

> Index: biosboot/version
> ===================================================================
> RCS file: /cvsroot/syssrc/sys/arch/i386/stand/biosboot/version,v
> retrieving revision 1.9
> diff -u -p -r1.9 version
> --- biosboot/version	2000/09/24 12:32:35	1.9
> +++ biosboot/version	2001/05/04 21:17:44
> @@ -15,3 +15,4 @@ is taken as the current.
>  2.6:	Support ELF boot.
>  2.7:	Support on-the-fly switching of console devices.
>  2.8:	Support verbose/quiet boot.
> +2.9:	Recognize ESDI disks and identify them as ed(4)
> Index: biosboot/devopen.c
> ===================================================================
> RCS file: /cvsroot/syssrc/sys/arch/i386/stand/biosboot/devopen.c,v
> retrieving revision 1.9
> diff -u -p -r1.9 devopen.c
> --- biosboot/devopen.c	1999/10/28 05:20:05	1.9
> +++ biosboot/devopen.c	2001/05/04 21:17:44
> @@ -68,6 +68,9 @@ static struct {
>  	},
>  	{
>  		"sd", 0x80
> +	},
> +	{
> +		"ed", 0x80
>  	}
>  #endif
>  };
> @@ -105,6 +108,8 @@ bios2dev(biosdev, devname, unit)
>  		if(disklabel.d_magic == DISKMAGIC) {
>  			if(disklabel.d_type == DTYPE_SCSI)
>  				*devname = biosdevtab[3].name;
> +			else if (disklabel.d_type == DTYPE_ESDI)
> +				*devname = biosdevtab[4].name;
>  			else
>  				*devname = biosdevtab[2].name;
>  		} else
> Index: lib/exec.c
> ===================================================================
> RCS file: /cvsroot/syssrc/sys/arch/i386/stand/lib/exec.c,v
> retrieving revision 1.15
> diff -u -p -r1.15 exec.c
> --- lib/exec.c	2000/02/22 07:45:04	1.15
> +++ lib/exec.c	2001/05/04 21:17:44
> @@ -67,13 +67,21 @@ dev2major(devname, major)
>  	char           *devname;
>  	int            *major;
>  {
> -	static char    *devices[] = {"wd", "", "fd", "", "sd"};
> -#define NUMDEVICES (sizeof(devices)/sizeof(char *))
> +	static const struct {
> +		const char *name;
> +		int maj;
> +	} devices[] = {
> +		{ "wd", 0  },
> +		{ "fd", 3  },
> +		{ "sd", 5  },
> +		{ "ed", 20 },
> +	};
> +#define NUMDEVICES (sizeof(devices)/sizeof(devices[0]))
>  	int             i;
>  
>  	for (i = 0; i < NUMDEVICES; i++)
> -		if (!strcmp(devname, devices[i])) {
> -			*major = i;
> +		if (!strcmp(devname, devices[i].name)) {
> +			*major = devices[i].maj;
>  			return (0);
>  		}
>  	return (-1);
> @@ -168,6 +176,8 @@ exec_netbsd(file, loadaddr, boothowto)
>  
>  			if (biosdisk_gettype(f) == DTYPE_SCSI)
>  				devname = "sd";
> +			else if (biosdisk_gettype(f) == DTYPE_ESDI)
> +				devname = "ed";
>  			else
>  				devname = "wd";
>