[OpenBIOS] L2 Cache Settings
programmingkidx at gmail.com
Thu Jan 25 19:45:33 CET 2018
> On Jan 25, 2018, at 11:09 AM, Jd Lyons via OpenBIOS <openbios at openbios.org> wrote:
>> On Jan 24, 2018, at 1:21 PM, Segher Boessenkool <segher at kernel.crashing.org> wrote:
>> On Wed, Jan 24, 2018 at 09:47:13AM -0500, Programmingkid wrote:
>>>> On Jan 23, 2018, at 4:57 PM, Segher Boessenkool <segher at kernel.crashing.org> wrote:
>>>> You meant something like
>>>> void enable_L2_7447A(void)
>>>> asm("mtspr %0,%1" : : "n"(1017), "r"(0x80000000));
>>> I would change "asm" to "asm volatile" to prevent the compiler from optimizing this code out.
>> The asm has no outputs so it is already volatile.
>> OpenBIOS http://openbios.org/
>> Mailinglist: http://lists.openbios.org/mailman/listinfo
>> Free your System - May the Forth be with you
> Segher, if you have some of the old White Papers on the CPU’s that shipped in Mac’s, or the upgrades offered by third parties, I’d like to get a look at them, if your not under NDA.
This pdf has detailed information on the 7447A
This has a ton of information on the 7450 (probably still useful to you)
This has information on programming PowerPC processors:
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