Mirrors/libhermit
1
0
Fork 0
mirror of https://github.com/hermitcore/libhermit.git synced 2025-03-30 00:00:15 +01:00
Code Issues Releases Wiki Activity

add inline function to determine the cpu state

Browse source
This commit is contained in:
Stefan Lankes 2018-07-02 20:05:49 +00:00
parent 66dcb2782e
commit bbcafad2d3
1 changed files with 22 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
arch/aarch64/include/asm/processor.h
View file

@ -235,6 +235,27 @@ static inline uint64_t get_cntpct(void)
return value;
}
static inline uint64_t get_mpidr(void)
{
uint64_t value;
asm volatile("mrs %0, mpidr_el1" : "=r"(value) :: "memory");
return value;
}
static inline uint64_t get_cpuactlr(void)
{
uint64_t value;
asm volatile("mrs %0, s3_1_c15_c2_0" : "=r"(value) :: "memory");
return value;
}
static inline uint64_t get_cpuectlr(void)
{
uint64_t value;
asm volatile("mrs %0, s3_1_c15_c2_1" : "=r"(value) :: "memory");
return value;
}
inline static uint64_t get_rdtsc(void) { return get_cntpct(); }
/// A one-instruction-do-nothing
@ -415,7 +436,7 @@ void udelay(uint32_t usecs);
/// Finalize the GIC initialization
int irq_post_init(void);
// Sets up the system clock
/// Sets up the system clock
int timer_calibration(void);
extern atomic_int32_t cpu_online;