[coreboot] Init for multi-processor
stefan.reinauer at coreboot.org
Mon Nov 21 22:30:55 CET 2011
On 11/22/11 5:20 AM, Kyösti Mälkki wrote:
> Could someone explain the use of boot_cpu() in bootblock_normal.c
> main()? I thought only the BSP CPU executes this code (currently)?
> I am about to push a change that does early SMP init for hyper-threading
> CPUs to allow cache-as-ram implementation. Shared cache remains disabled
> until both/all logical CPUs enable it.
For some CPUs types (like AMD K8) all CPUs / cores start running the
reset vector code after power-on.
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