reducing stack size by breaking SPARC ABI for OS-less environments

2008-12-15 Thread David Meggy
Hi, I'm working on a very embedded project where we have no operating system, and there is no window overflow trap handler. I'm really stretched for memory and I'd like to reduce the stack size. I haven't not being able to find anyone else who is looking at reducing the stack usage by google sear

RE: reducing stack size by breaking SPARC ABI for OS-less environments

2008-12-15 Thread David Meggy
or this. David -Original Message- From: Seongbae Park 박성배 朴成培 [mailto:seongbae.p...@gmail.com] Sent: Monday, December 15, 2008 2:40 PM To: David Meggy Cc: gcc@gcc.gnu.org Subject: Re: reducing stack size by breaking SPARC ABI for OS-less environments On Mon, Dec 15, 2008 at 2:20 PM, David Meggy w

bare metal SPARC

2012-07-31 Thread David Meggy
Hi All Here at Icron we are using the Leon SPARC CPU in a very minimal setting with no operating system. We have set the CPU for a large number of register windows, and have defined register window overflow and underflow traps as fatal conditions that do not need to be supported. This model o