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Update DiskAHCI.ZC debug fixme comment.

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TomAwezome 2022-10-16 19:35:23 -04:00
parent 5b6b84202f
commit 41e5901934
1 changed files with 6 additions and 5 deletions
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11
src/Kernel/BlkDev/DiskAHCI.ZC
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@ -7,10 +7,12 @@
- AHCIATAPISetMaxSpeed needs to be implemented
- TODO FIXME: certain Bt() and Bts() on AHCI memory areas, and variable casting,
caused strange crashes on a Ryzen with Gigabyte brand motherboard. Bit test
function implementation and compiler casting internal functionality need
to be researched to fix those bugs.
- TODO FIXME: Variable casting into AHCI memory-mapped areas caused strange crashes
on a Ryzen with Gigabyte brand motherboard, all PCI devices AMD brand.
Compiler casting internal functionality needs to be researched to fix those bugs.
Example line that caused crashes with Page Faults and bad memory address on Ryzen:
cmd_header = &port->cmd_list_base(CPortCmdHeader *)[i];
*/
I64 AHCI_DEBUG = FALSE;
@ -584,7 +586,6 @@ U0 AHCIPortIdentify(CBlkDev *bd)
AHCIPortWait(bd->port_num, tS + 2);
Bts(&port->cmd_issue, cmd_slot); //Issue the command.
AHCIPortCmdWait(bd->port_num, cmd_slot);
Free(bd->dev_id_record);