On Tue, Jan 14, 2025 at 11:10:26AM -0500, Christopher Lentocha wrote: > > For whatever reason, when you compile SeaBIOS in Csm16 mode, and use it > under EDK2's OvmfPkg, the ATA_CMD_IDENTIFY_PACKET_DEVICE command > doesn't work properly,
Probably the device is in a different state due to the edk2 driver having talked to the device before. Maybe add a controller reset to the initialization path? Currently the driver code only resets the ports. > In order to fix this bug, I decided to move the "detected as a disk" > function to be a goto, so code isn't sloppy, by being copied and > pasted 1:1 (though this can be changed back later if needed), and in > the detected as CDROM function, when it fails at its point, assume its > a harddisk, make sure it is with the ATA_CMD_IDENTIFY_DEVICE (which > works fine in my testing) command, and continue from there. That is more a workaround than a solution ... take care, Gerd _______________________________________________ SeaBIOS mailing list -- seabios@seabios.org To unsubscribe send an email to seabios-le...@seabios.org