Takanori Watanabe wrote:
> In message <17314.10813...@web45811.mail.sp1.yahoo.com>, Won De Erick wrote:
>> Hi All,
>>
>> I'm not quite familiar with FreeBSD, but I want to do the following in
>> 6.2/7.1
>> .
>>
>> /* Raise IOPL to 3 to open all I/O ports */
>> /* something like 'i386_iopl(3)' */
>> ...
>
> see i386_get_ioperm(2) or io(4).
>
>> /* Open SMRAM access */
>> outl(unsigned int port, unsigned long int data);
>>
>>
>> Also, I appreciate comments on the following wrapper:
>>
>> static inline outl(unsigned int port, unsigned long int data)
>> {
>> asm("outl %0, %1" : : "a" (data), "dN" (port));
>> }
>>
>>
>> My goal is to switch the processor to SMM by triggering SMI from userland.
>
>
> Probably this will work.
> So what do you want ask about that?One thing that comes to my mind is this: http://invisiblethingslab.com/resources/misc09/smm_cache_fun.pdf :)
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