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utils.h: add is_primary_core

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Signed-off-by: Sven Peter <sven@svenpeter.dev>
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Sven Peter 2021-03-14 22:40:02 +01:00 committed by Hector Martin
parent 1a04590ed3
commit f80933a7d3
1 changed files with 5 additions and 0 deletions
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src/utils.h
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@ -285,6 +285,11 @@ static inline int in_el2(void)
return (mrs(CurrentEL) >> 2) == 2; return (mrs(CurrentEL) >> 2) == 2;
} }
static inline int is_primary_core(void)
{
return mrs(MPIDR_EL1) == 0x80000000;
}
extern char _base[]; extern char _base[];
extern char _end[]; extern char _end[];
extern char _payload_start[]; extern char _payload_start[];