From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn To: Dave Airlie Cc: ecos-discuss@sources.redhat.com Subject: Re: [ECOS] PID ROM and eCos Date: Wed, 24 Jan 2001 07:27:00 -0000 Message-id: <20010124162707.B12707@biferten.ma.tech.ascom.ch> References: X-SW-Source: 2001-01/msg00399.html > Hi, > I've got an application that uses serial, and I seem to be getting > serial overruns at 38400 on the serial port on the PID but only when I'm > running eCos out of the FLASH on board, the flash is 16-bit so is probably > slow to load stuff from, > > So my question is how feasible is to build eCos for RAM, and build a small > routine to link against it that boots up and copies all of eCos into RAM > and starts it ? Some platforms support ROMRAM. The HAL copies itself out of ROM into RAM and then executes. I'd suggest you find such a HAL and use it as a template to make your HAL do the same. Andrew