I little question, is this on the TV or do you have to use a serial
console?

And is it possible to get a precompiled boot-image to try boot ones
Dreamcast?

Sincerly Mattias N


On 17 Oct 2000, Hiroyuki Bessho wrote:

> 
> I made sh3 kernel with file system image which has sh and init on it,
> uploaded the kernel to DC, and got this.
> 
>   NetBSD 1.5G (TINY) #16: Mon Oct 16 23:32:02 JST 2000
>       bsh@kamasu.grotto.iijnet.or.jp:/u0/work/current/dreamcast/compile/TINY
>   total memory = 16384 KB
>   avail memory = 13744 KB
>   using 230 buffers containing 920 KB of memory
>   mainbus0 (root)
>   shb0 at mainbus0
>   scif0 at shb0 port 0xffe80000-0xffe8000f irq 12
>   scif0: console
>   biomask c0000000 netmask c0000000 ttymask e0000000
>   md0: internal 640K image area
>   rn_init: radix functions require max_keylen be set
>   boot device: <unknown>
>   root on md0a dumps on md0b
>   readclock: -1900/0/0/0/0/0(0)
>   WARNING: clock time is invalid.
>   WARNING: reset to epoch time!
>   init: copying out flags `-s' 3
>   init: copying out path `/sbin/init' 11
>   # echo Hello World!
>   Hello World!
>   # echo *
>   bin dev dist etc kern mnt mnt2 sbin tmp usr
>   # echo bin/*
>   bin/-sh bin/sh
>   # echo sbin/*
>   sbin/init
>   # 
> 
>     Thank you for previous advice on MACHINE/MACHINE_ARCH things.
> What I did to my local tree were:
> 
> + I have sys/arch/dreamcast/{conf,dreamcast,include}.  Not so much
>   difference to sys/arch/evbsh3/ yet.  Almost all include/foo.h just
>   #includes corresponding sh3/foo.h.
> 
> + I also have distrib/dreamcast to make some ramdisk-kernels.
> 
> + sys/arch/dreamcast/include/endian_machdep.h is like this:
> 
>   #ifndef __LITTLE_ENDIAN__	/* compiling with -ml */
>   #if 0  /* Doesn't work for cpp  */
>   #error You are compiling with wrong option.
>   #endif
>   #endif
> 
>   #define _BYTE_ORDER _LITTLE_ENDIAN
>   #include <sh3/endian_machdep.h>
> 
> + compile the tree with MACHINE=dreamcast and MACHINE_ARCH=sh3, using
>   shel-netbsdcoff toolkit.  This requires sys/arch/sh3 can be compiled
>   for both big and little endian.
> 
> This way so far works fine to me, but many files are duplicated for
> evbsh3/mmeye/dreamcast.  I hope NetBSD developers discuss further on
> this and make a good decision.  It will be important also for people
> who want to start hpcsh3 (HP's CE device, etc.).
> 
> 
> Currently I'm aware of some problems like:
> 
>   + can't get date/time from RTC.
>   + sleep() doesn't work.
> 
> I'm going to play with these, and any suggestions will be appreciated.
> 
> It took me about a month to get this working.  Besides not having much
> free time, it was because I choose at first to compile the tree with
> ELF format, and got several problems.  It seems sh3 ELF support is
> incomplete yet.  I'll come up with this issue later.
> 
> ----
> bsh.
>