Re: [edk2] EFI app access files on a non FAT partition

2012-09-11 Thread Jeyaraman Sundararajan (jeysunda)
Hi Rod Smith, Can you give me the pointer to those read only drivers? Thanks On 11/09/12 6:32 AM, "Rod Smith" wrote: >On 09/10/2012 04:37 PM, Cameron Esfahani wrote: >> >> If that still doesn't help, then, yes, an EFI app residing in a FAT32 >> partition can access a file for read/write that ex

Re: [edk2] EFI app access files on a non FAT partition

2012-09-11 Thread Andrew Fish
Not sure what you are asking? The edk2 has a partition driver that speaks MBR (PC Master Boot Record), GPT (as defined in UEFI), an El Torito for CD-ROM (not ISO-9660). A file system driver can then just sit on top of the Block IO produced by the partition driver, so the file system driver is

Re: [edk2] EFI app access files on a non FAT partition

2012-09-11 Thread Bhavana Brar
Thanks Andrew for the information. This does clarify my questions quite a bit. Currently when I try and open the SimpleFileSystem protocol within my test application , I get the error - unsupported. At this point, I'm just experimenting with opening text files within the FAT32 partition itself

Re: [edk2] EFI app access files on a non FAT partition

2012-09-11 Thread Andrew Fish
If you have constructed the call properly the 1st thing to look at is the UEFI spec as it usually calls out error returns for protocol member functions. So for example EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume() has this text: If the medium is changed while there are open file handles to the vo

Re: [edk2] EFI app access files on a non FAT partition

2012-09-11 Thread Rod Smith
On 09/11/2012 04:19 AM, Jeyaraman Sundararajan (jeysunda) wrote: > Hi Rod Smith, > Can you give me the pointer to those read only drivers? > > Thanks All of them but the NTFS driver are included in my rEFInd package: http://www.rodsbooks.com/refind/ https://sourceforge.net/projects/refind/ I did

Re: [edk2] EFI app access files on a non FAT partition

2012-09-11 Thread Cameron Esfahani
I don't know if this helps you, but Apple ships a read-only HFS+ driver in all their systems. Cameron Esfahani di...@apple.com "The cake is a lie." Common wisdom On Sep 11, 2012, at 5:49 PM, Rod Smith wrote: > On 09/11/2012 04:19 AM, Jeyaraman Sundararajan (jeysunda) wrote: >> Hi Rod Smith,

[edk2] Problem with the UEFI shell command "pci"

2012-09-11 Thread Morito, Hironori
Hi, Experts. We found a problem with the UEFI shell command "pci". [Problem] When issuing the command "pci XX XX XX -i" while using PCI Express Cards, the value displayed under "Pci Express device capability structure:" may be wrong. [Cause] UEFI shell command "pci" : pci.c In the PciExp