Re: [SeaBIOS] Some questions
On 02/28/2011 09:55 PM, Kevin O'Connor wrote: On Fri, Feb 25, 2011 at 10:35:04AM -0500, Stefan Berger wrote: On 11/25/2010 08:35 AM, Kevin O'Connor wrote: This is due to the hierarchical nature of the functions. Also, while for example B calls A, B fills a data structure (on the stack) that it passes to A. A of course can get the same data structure from the user calling the interrupt interface. So, by switching to 32 bit mode and converting to 32 bit pointers early I could previously avoid a lot of headaches with the segment registers in 16 bit mode and reading the data from wherever they may be. Would you have any concerns about switching to 32 bit mode early, so that the interrupt handler and anything subsequent runs in 32 bit mode? I can't say for sure what will make sense without seeing the code first, but it sounds okay to me. I posted the TPM patches yesterday on the Qemu mailing list. It may take some time until TPM functionality becomes available in Qemu, but would you be willing to review the BIOS extensions even without being able to run them (for some time)? It's quite a chunk... Hi Stefan, Yes - please break the patch up into chunks and send it to the list. I mailed them today to seabios@seabios.org but didn't see them coming back or showing up on the webpage. I cc'ed the Qemu mailing list and there they are. Stefan Thanks, -Kevin ___ SeaBIOS mailing list SeaBIOS@seabios.org http://www.seabios.org/mailman/listinfo/seabios
Re: [SeaBIOS] Some questions
On Wed, Mar 30, 2011 at 07:31:23PM -0400, Stefan Berger wrote: I mailed them today to seabios@seabios.org but didn't see them coming back or showing up on the webpage. I cc'ed the Qemu mailing list and there they are. Stefan The mailing list had a blip yesterday - but it should be okay now. -Kevin ___ SeaBIOS mailing list SeaBIOS@seabios.org http://www.seabios.org/mailman/listinfo/seabios
Re: [SeaBIOS] Some questions
On Fri, Feb 25, 2011 at 10:35:04AM -0500, Stefan Berger wrote: On 11/25/2010 08:35 AM, Kevin O'Connor wrote: This is due to the hierarchical nature of the functions. Also, while for example B calls A, B fills a data structure (on the stack) that it passes to A. A of course can get the same data structure from the user calling the interrupt interface. So, by switching to 32 bit mode and converting to 32 bit pointers early I could previously avoid a lot of headaches with the segment registers in 16 bit mode and reading the data from wherever they may be. Would you have any concerns about switching to 32 bit mode early, so that the interrupt handler and anything subsequent runs in 32 bit mode? I can't say for sure what will make sense without seeing the code first, but it sounds okay to me. I posted the TPM patches yesterday on the Qemu mailing list. It may take some time until TPM functionality becomes available in Qemu, but would you be willing to review the BIOS extensions even without being able to run them (for some time)? It's quite a chunk... Hi Stefan, Yes - please break the patch up into chunks and send it to the list. Thanks, -Kevin ___ SeaBIOS mailing list SeaBIOS@seabios.org http://www.seabios.org/mailman/listinfo/seabios
Re: [SeaBIOS] Some questions
On 11/25/2010 08:35 AM, Kevin O'Connor wrote: This is due to the hierarchical nature of the functions. Also, while for example B calls A, B fills a data structure (on the stack) that it passes to A. A of course can get the same data structure from the user calling the interrupt interface. So, by switching to 32 bit mode and converting to 32 bit pointers early I could previously avoid a lot of headaches with the segment registers in 16 bit mode and reading the data from wherever they may be. Would you have any concerns about switching to 32 bit mode early, so that the interrupt handler and anything subsequent runs in 32 bit mode? I can't say for sure what will make sense without seeing the code first, but it sounds okay to me. I posted the TPM patches yesterday on the Qemu mailing list. It may take some time until TPM functionality becomes available in Qemu, but would you be willing to review the BIOS extensions even without being able to run them (for some time)? It's quite a chunk... Stefan ___ SeaBIOS mailing list SeaBIOS@seabios.org http://www.seabios.org/mailman/listinfo/seabios
