Commit Graph

6 Commits

Author SHA1 Message Date
Volker Ruppert
0837438f7f - the int13_harddisk() function modifies the high word of EAX in EDD read/write
functions, but it shouldn't, so it must be saved on stack
2006-12-30 17:13:44 +00:00
Volker Ruppert
18a66befd0 - PCI BIOS function 'find class code' implemented for real and protected mode 2006-11-04 18:07:24 +00:00
Volker Ruppert
b9a70fb502 - added stub for real mode PCIBIOS function 'find class code'
- improved real mode PCIBIOS error reporting
2006-10-17 16:48:41 +00:00
Volker Ruppert
4df1ef8af5 - clear registers using the XOR instruction 2006-10-04 19:00:19 +00:00
Volker Ruppert
bc9a192668 - clear upper 16 bit of the stack pointer when returning to real mode (fixes
booting of Ubuntu 6.06)
2006-10-03 21:04:44 +00:00
Volker Ruppert
9d0f111995 - build an additional BIOS image without the new 32-bit extensions. It can be
used when the new BIOS fails
- use wbinvd instruction in the 32-bit init code
2006-10-03 20:30:09 +00:00