Hello,
First of all, my apologies since this is not directly debian related..
however, it is possible some people here may be able to help me out on
this one.
I am trying to determine whether the "Message Security Assist Extension
1" facility (as described in the Sept 2005 z/Architecture Principle of
Operation) may also be available in ESA/390 mode.
However, this requires a z9 machine to try out, which I do not have
readily at hand.
To that effect, I was wondering if anyone having access to a z9, and
that would be running a s390 (NOT s390x) flavor of the kernel could try
out this little program and send back the results :
**** CUT HERE ****
#include <stdio.h>
#include <string.h>
int main()
{
int i;
char x[8];
memset(x,0,8);
asm volatile ( "la 0,0\n\
lr 1,%0 \n\
.byte 0xb9,0x2f,0x00,0x10"
: : "a"(x) : "0","1","memory");
for(i=0;i<8;i++)
{
printf("%2.2X",x[i]);
}
printf("\n");
}
**** CUT HERE ****
There are also other facilities (STFLE comes to mind) I'd like to try
out in s390 mode.. but later !
TIA,
--Ivan
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