[PATCH] Add support for FP emulation for the e300c2 core
Kumar Gala
galak at kernel.crashing.org
Mon Dec 4 15:41:56 EST 2006
On Dec 3, 2006, at 9:23 PM, Paul Mackerras wrote:
> Kim Phillips writes:
>
>> The e300c2 has no FPU. Its MSR[FP] is grounded to zero. If an
>> attempt
>> is made to execute a floating point instruction (including
>> floating-point
>> load, store, or move instructions), the e300c2 takes a floating-point
>> unavailable interrupt (IVOR7).
>
> Can't you just point IVOR7 at the program check handler on these cpus?
No, e300c2 is a 'classic' core not book-e. It's effectively a 603 w/
o and FPU. I'll cleanup the commit message in my git tree for you.
- k
More information about the Linuxppc-dev
mailing list