Re: [SeaBIOS] How much RAM is required?

2012-09-06 Thread Markus Armbruster
Markus Armbruster arm...@redhat.com writes: Kevin O'Connor ke...@koconnor.net writes: On Fri, Aug 10, 2012 at 04:54:06PM +0200, Markus Armbruster wrote: Peter Stuge pe...@stuge.se writes: Markus Armbruster wrote: Could SeaBIOS fail more cleanly when it detects insufficient RAM? What

Re: [SeaBIOS] How much RAM is required?

2012-08-13 Thread Markus Armbruster
Kevin O'Connor ke...@koconnor.net writes: On Fri, Aug 10, 2012 at 04:54:06PM +0200, Markus Armbruster wrote: Peter Stuge pe...@stuge.se writes: Markus Armbruster wrote: Could SeaBIOS fail more cleanly when it detects insufficient RAM? What would you propose? Fail POST with panic(Not

Re: [SeaBIOS] How much RAM is required?

2012-08-12 Thread Kevin O'Connor
On Fri, Aug 10, 2012 at 04:54:06PM +0200, Markus Armbruster wrote: Peter Stuge pe...@stuge.se writes: Markus Armbruster wrote: Could SeaBIOS fail more cleanly when it detects insufficient RAM? What would you propose? Fail POST with panic(Not enough RAM)? The amount of memory is

Re: [SeaBIOS] How much RAM is required?

2012-08-10 Thread Peter Stuge
Markus Armbruster wrote: SeaBIOS requires a minimum of 1Meg of ram. I didn't even know one could request less than 1meg of ram from QEMU. I'll cook up a QEMU patch to give it at least that much. But QEMU may use other firmware/payload than SeaBIOS which might require less than 1 MB

Re: [SeaBIOS] How much RAM is required?

2012-08-10 Thread Peter Stuge
Fred . wrote: No, I am not. Ok, so there's only a hypothesis. But I believe QEMU does have the functionality to load an arbitrary firmware. So the firmware doesn't necessarily have to be SeaBIOS. As you may know the 8086 reset vector is at 1MB-16 so it will be really difficult to run a

Re: [SeaBIOS] How much RAM is required?

2012-08-10 Thread Markus Armbruster
Peter Stuge pe...@stuge.se writes: Markus Armbruster wrote: SeaBIOS requires a minimum of 1Meg of ram. I didn't even know one could request less than 1meg of ram from QEMU. I'll cook up a QEMU patch to give it at least that much. But QEMU may use other firmware/payload than SeaBIOS

Re: [SeaBIOS] How much RAM is required?

2012-08-10 Thread Fred .
Some machines also have broken memory modules. So some computers have 0 byte RAM in that case. :D On Fri, Aug 10, 2012 at 5:28 PM, Markus Armbruster arm...@redhat.com wrote: Frediano Ziglio frediano.zig...@citrix.com writes: On Fri, 2012-08-10 at 16:24 +0200, Peter Stuge wrote: Fred . wrote:

Re: [SeaBIOS] How much RAM is required?

2012-08-10 Thread Markus Armbruster
Fred . eldman...@gmail.com writes: On Fri, Aug 10, 2012 at 5:28 PM, Markus Armbruster arm...@redhat.com wrote: Frediano Ziglio frediano.zig...@citrix.com writes: On Fri, 2012-08-10 at 16:24 +0200, Peter Stuge wrote: Fred . wrote: No, I am not. Ok, so there's only a hypothesis. But I

Re: [SeaBIOS] How much RAM is required?

2012-08-09 Thread Fred .
But QEMU may use other firmware/payload than SeaBIOS which might require less than 1 MB of RAM. On Thu, Aug 9, 2012 at 10:15 AM, Markus Armbruster arm...@redhat.com wrote: Kevin O'Connor ke...@koconnor.net writes: On Wed, Aug 08, 2012 at 01:50:13PM +0200, Markus Armbruster wrote: Watch this:

Re: [SeaBIOS] How much RAM is required?

2012-08-09 Thread Fred .
No, I am not. But I believe QEMU does have the functionality to load an arbitrary firmware. So the firmware doesn't necessarily have to be SeaBIOS. Don't know if its possible to make QEMU use an UEFI or OpenFirmware image instead, or if such an image exists. On Thu, Aug 9, 2012 at 2:59 PM, Peter

Re: [SeaBIOS] How much RAM is required?

2012-08-08 Thread Kevin O'Connor
On Wed, Aug 08, 2012 at 01:50:13PM +0200, Markus Armbruster wrote: Watch this: $ qemu-system-x86_64 -nodefaults -vnc :0 -monitor stdio -m 16k QEMU 1.1.50 monitor - type 'help' for more information (qemu) qemu: fatal: Trying to execute code outside RAM or ROM at