From cb07e5fb24afebdf233847da551d3ede80727345 Mon Sep 17 00:00:00 2001 From: shaojinchun Date: Thu, 26 Sep 2019 18:13:07 +0800 Subject: 开放spinlock相关函数 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- libcpu/arm/cortex-a/cpu.c | 6 ++++++ libcpu/risc-v/k210/cpuport_smp.c | 5 +++++ 2 files changed, 11 insertions(+) (limited to 'libcpu') diff --git a/libcpu/arm/cortex-a/cpu.c b/libcpu/arm/cortex-a/cpu.c index 6b129f89ee..7c6bf58a4b 100644 --- a/libcpu/arm/cortex-a/cpu.c +++ b/libcpu/arm/cortex-a/cpu.c @@ -14,6 +14,7 @@ #include #ifdef RT_USING_SMP + int rt_hw_cpu_id(void) { int cpu_id; @@ -25,6 +26,11 @@ int rt_hw_cpu_id(void) return cpu_id; }; +void rt_hw_spin_lock_init(rt_hw_spinlock_t *lock) +{ + lock->slock = 0; +} + void rt_hw_spin_lock(rt_hw_spinlock_t *lock) { unsigned long tmp; diff --git a/libcpu/risc-v/k210/cpuport_smp.c b/libcpu/risc-v/k210/cpuport_smp.c index a31314a13f..8c57dfeafc 100644 --- a/libcpu/risc-v/k210/cpuport_smp.c +++ b/libcpu/risc-v/k210/cpuport_smp.c @@ -25,6 +25,11 @@ int rt_hw_cpu_id(void) return read_csr(mhartid); } +void rt_hw_spin_lock_init(rt_hw_spinlock_t *lock) +{ + ((spinlock_t *)lock)->lock = 0; +} + void rt_hw_spin_lock(rt_hw_spinlock_t *lock) { spinlock_lock((spinlock_t *)lock); -- cgit v1.3.1