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coreboot
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972d5cf040aebbb8052767a4a88ad99a961ad2bf
/
.
/
src
/
cpu
/
x86
/
lapic
/
boot_cpu.c
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#include
<cpu/x86/lapic.h>
#include
<cpu/x86/msr.h>
#if CONFIG_SMP
int
boot_cpu
(
void
)
{
int
bsp
;
msr_t
msr
;
msr
=
rdmsr
(
0x1b
);
bsp
=
!!(
msr
.
lo
&
(
1
<<
8
));
return
bsp
;
}
#endif