From 42ce237dc969fa3e6c5f891e87e925f42d5d38ea Mon Sep 17 00:00:00 2001
From: zhouji <956133287@qq.com>
Date: Sat, 1 May 2021 16:06:02 +0800
Subject: [update] 整理cortex-a aarch32启动代码 1.
 去除start_gcc.s中set_secondary_cpu_boot_address代码，这部分提取到qemu-vexpress-a9
 bsp中。 2.
 移动cpu.c中rt_hw_cpu_id函数到cp15_gcc.s，使用汇编实现，采用wake属性，方便bsp根据cpu特性获取CPU
 ID（多cpu集群中，不同厂家使用组合不一样）. 3. 整理start_gcc.s
 适应多核启动，原来的代码只考虑到双核的情况。
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---
 libcpu/arm/cortex-a/cpu.c | 11 -----------
 1 file changed, 11 deletions(-)

(limited to 'libcpu/arm/cortex-a/cpu.c')

diff --git a/libcpu/arm/cortex-a/cpu.c b/libcpu/arm/cortex-a/cpu.c
index 9555e01e9c..7367bddd9f 100644
--- a/libcpu/arm/cortex-a/cpu.c
+++ b/libcpu/arm/cortex-a/cpu.c
@@ -15,17 +15,6 @@
 
 #ifdef RT_USING_SMP
 
-int rt_hw_cpu_id(void)
-{
-    int cpu_id;
-    __asm__ volatile (
-            "mrc p15, 0, %0, c0, c0, 5"
-            :"=r"(cpu_id)
-            );
-    cpu_id &= 0xf;
-    return cpu_id;
-};
-
 void rt_hw_spin_lock_init(rt_hw_spinlock_t *lock)
 {
     lock->slock = 0;
-- 
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