diff options
| -rw-r--r-- | src/arch/arm64/c_entry.c | 1 | ||||
| -rw-r--r-- | src/arch/arm64/cpu.c | 1 | ||||
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/cpu.h | 13 |
3 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/arm64/c_entry.c b/src/arch/arm64/c_entry.c index 4e5c1510c0..f4a9848ee1 100644 --- a/src/arch/arm64/c_entry.c +++ b/src/arch/arm64/c_entry.c @@ -56,6 +56,7 @@ static void seed_stack(void) void arm64_init(void) { + cpu_set_bsp(); seed_stack(); arm64_soc_init(); main(); diff --git a/src/arch/arm64/cpu.c b/src/arch/arm64/cpu.c index c0dc3c3fa2..a263e1b873 100644 --- a/src/arch/arm64/cpu.c +++ b/src/arch/arm64/cpu.c @@ -27,6 +27,7 @@ #include "cpu-internal.h" static struct cpu_info cpu_infos[CONFIG_MAX_CPUS]; +struct cpu_info *bsp_cpu_info; static inline struct cpu_info *cpu_info_for_cpu(unsigned int id) { diff --git a/src/arch/arm64/include/armv8/arch/cpu.h b/src/arch/arm64/include/armv8/arch/cpu.h index d2623857aa..8d071adc61 100644 --- a/src/arch/arm64/include/armv8/arch/cpu.h +++ b/src/arch/arm64/include/armv8/arch/cpu.h @@ -66,6 +66,19 @@ struct cpu_info { /* Obtain cpu_info for current executing CPU. */ struct cpu_info *cpu_info(void); +extern struct cpu_info *bsp_cpu_info; + +/* Ran only by BSP at initial boot strapping. */ +static inline void cpu_set_bsp(void) +{ + bsp_cpu_info = cpu_info(); +} + +static inline int cpu_is_bsp(void) +{ + return cpu_info() == bsp_cpu_info; +} + /* Control routines for starting CPUs. */ struct cpu_control_ops { /* Return the maximum number of CPUs supported. */ |