16 Apr
2019
16 Apr
'19
12:29 p.m.
On 05/04/2019 10:30, Heiko Stuebner wrote:
Function to get the contents of the mpidr register, similar to its arm64 counterpart.
Signed-off-by: Heiko Stuebner heiko@sntech.de
Reviewed-by: Matthias Brugger mbrugger@suse.com
arch/arm/include/asm/system.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index aed2e3c51e..b5332f4347 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -364,6 +364,15 @@ static inline int is_hyp(void) #endif }
+static inline unsigned long read_mpidr(void) +{
- unsigned long val;
- asm volatile ("mrc p15, 0, %0, c0, c0, 5" : "=r" (val));
- return val;
+}
static inline unsigned int get_cr(void) { unsigned int val;