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Kernel: Split initialization of Processor structure

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We need to very early on initialize the Processor structure so
that we can use RecursiveSpinLock early on.
This commit is contained in:
Tom 2020-07-02 08:34:00 -06:00 • committed by Andreas Kling
parent 137e1dc7bd
commit 57b61b2dde
3 changed files with 25 additions and 7 deletions
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11
Kernel/init.cpp
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@ -89,6 +89,8 @@ static void setup_serial_debug();
VirtualConsole* tty0;
static Processor s_bsp_processor; // global but let's keep it "private"
// SerenityOS Kernel C++ entry point :^)
//
// This is where C++ execution begins, after boot.S transfers control here.
@ -103,15 +105,13 @@ extern "C" [[noreturn]] void init()
{
setup_serial_debug();
s_bsp_processor.early_initialize(0);
cpu_setup(0);
kmalloc_init();
slab_alloc_init();
{
static Processor s_bsp_processor_info; // global but let's keep it "private"
s_bsp_processor_info.initialize(0);
}
s_bsp_processor.initialize(0);
CommandLine::initialize(reinterpret_cast<const char*>(low_physical_to_virtual(multiboot_info_ptr->cmdline)));
MemoryManager::initialize(0);
@ -165,7 +165,10 @@ extern "C" [[noreturn]] void init()
//
extern "C" [[noreturn]] void init_ap(u32 cpu, Processor* processor_info)
{
processor_info->early_initialize(cpu);
klog() << "CPU #" << cpu << " processor_info at " << VirtualAddress(FlatPtr(processor_info));
cpu_setup(cpu);
processor_info->initialize(cpu);
MemoryManager::initialize(cpu);