On 16.01.2018 20:37, Collin L. Walling wrote: > On 01/16/2018 01:23 PM, Thomas Huth wrote: >> On 15.01.2018 17:44, Collin L. Walling wrote: >>> Reads boot menu flag and timeout values from the iplb and >>> sets the respective fields for the menu. >>> >>> Signed-off-by: Collin L. Walling <wall...@linux.vnet.ibm.com> >>> --- >> [...] >>> diff --git a/pc-bios/s390-ccw/iplb.h b/pc-bios/s390-ccw/iplb.h >>> index fe909d2..da29e6e 100644 >>> --- a/pc-bios/s390-ccw/iplb.h >>> +++ b/pc-bios/s390-ccw/iplb.h >>> @@ -81,6 +81,9 @@ extern IplParameterBlock iplb >>> __attribute__((__aligned__(PAGE_SIZE))); >>> #define S390_IPL_TYPE_CCW 0x02 >>> #define S390_IPL_TYPE_QEMU_SCSI 0xff >>> +#define LOADPARM_PROMPT "PROMPT " >>> +#define LOADPARM_EMPTY "........" >> I've got a question: Is there a (public) specification document >> available somewhere for the loadparm field? > > Unfortunately there does not seems to be any kind of documentation > regarding loadparm for > KVM on IBM z. Most of the information available on the IBM Knowledge > Center focuses on > z/VM, which isn't very helpful in this case :(
Ok, too bad :-( > Are there any specific questions that I can help with? I was just wondering whether there are pre-defined values for this field, e.g. is "PROMPT" something you came up with, or is this a value that has been documented in a specification somewhere? ... I'm just curious: If there is a list of pre-defined values somewhere, what are the other values that the s390-ccw bios does not support yet? Thomas