Does SMP work at all on 40x ?
Christophe Leroy
christophe.leroy at c-s.fr
Wed Jan 30 18:16:36 AEDT 2019
In transfer_to_handler() (entry_32.S), we have:
#if defined(CONFIG_40x) || defined(CONFIG_BOOKE)
...
#ifdef CONFIG_SMP
CURRENT_THREAD_INFO(r9, r1)
lwz r9,TI_CPU(r9)
slwi r9,r9,3
add r11,r11,r9
#endif
#endif
When running this piece of code, MMU translation is off. But r9 contains
the virtual addr of current_thread_info, so unless I miss something,
this cannot work on the 40x, can it ?
On CONFIG_BOOKE it works because phys addr = virt addr
Christophe
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