From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Given Subject: Re: [OT] An embedded RTOS ANSI/POSIX compatible Date: Mon, 09 Aug 2010 15:04:23 +0100 Message-ID: <4C600AE7.9050705@cowlark.com> References: Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-8086-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="utf-8"; format="flowed" To: Linux-8086 On 2010-08-05 01:42, Alan Carvalho de Assis wrote: [...] > I found an interesting RTOS which could fit where Linux (uClinux) can > fit: deep embedded system (<100KB Flash,<2KB RAM). You might also be interested in Prex: http://prex.sourceforge.net/ It's a very elegant microkernel operating system, also BSD licensed.=20 It's bigger than NuttX but it will (optionally) support MMU. There's a=20 Posix layer that can be used to run userland programs complete with=20 fork() and vfork() (hardware allowing). I recently ported it to the Cybiko to see what it was like. The Cybiko=20 is an H8-based device with 256kB flash and 256kB RAM; it ran fine, but=20 the developer shell was rather too big to be useful! It really requires a 32-bit processor, but it may be possible to wedge=20 it into a 8088 given the right compiler in huge mode. --=20 =E2=94=8C=E2=94=80=E2=94=80=E2=94=80 =EF=BD=84=EF=BD=87=EF=BC=A0=EF=BD=83= =EF=BD=8F=EF=BD=97=EF=BD=8C=EF=BD=81=EF=BD=92=EF=BD=8B=EF=BC=8E=EF=BD=83= =EF=BD=8F=EF=BD=8D =E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80 http:/= /www.cowlark.com =E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80 =E2=94=82 =E2=94=82 life=E2=86=90{ =E2=86=911 =E2=8D=B5=E2=88=A8.^3 4=3D+/,=C2=AF= 1 0 1=E2=88=98.=E2=8A=96=C2=AF1 0 1=E2=88=98.=E2=8C=BD=E2=8A=82=E2=8D=B5= } =E2=94=82 --- Conway's Game Of Life, in one line of APL -- To unsubscribe from this list: send the line "unsubscribe linux-8086" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html