Hi Segher, you're probably able to solve this one easily.
On 18.03.2010 00:45, Myles Watson wrote: >>> -extern unsigned char AmlCode[]; >>> +extern void* AmlCode; >>> >>> >>> So AmlCode is used as a void * pointing to the address 0x54445344 >>> >>> which is definitely not what you want... >>> >>> >> You're right. And that's definitely not what I expected to happen. It >> seems like there ought to be a correct way to do this. I'll keep looking. >> >> What is it, you want to do? >> >> > Get rid of the type punned warning that gcc gives for that code where > AmlCode gets cast to acpi_header_t. > Could __attribute__((may_alias)) help? Then again, a Google search turns up a few miscompiles with that attribute, so another option may be to run memcpy(AmlCode,AmlCode, ...). Regards, Carl-Daniel -- "I do consider assignment statements and pointer variables to be among computer science's most valuable treasures." -- Donald E. Knuth -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
