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Kernel: Split Aarch64 CPU setup into two stages

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Former aims to bring the processor itself into desired state,
while latter allows for additional initialization with heap available.
This commit is contained in:
konrad 2023-01-08 04:36:28 +01:00 • committed by Jelle Raaijmakers
parent 97dce5d001
commit a8e9591bac
Notes: sideshowbarker 2024-07-19 16:58:44 +09:00
3 changed files with 10 additions and 3 deletions
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6
Kernel/Arch/aarch64/Processor.cpp
View file

@ -27,7 +27,7 @@ extern "C" void enter_thread_context(Thread* from_thread, Thread* to_thread) __a
Processor* g_current_processor;
void Processor::initialize(u32 cpu)
void Processor::install(u32 cpu)
{
VERIFY(g_current_processor == nullptr);
m_features = detect_cpu_features();
@ -37,6 +37,10 @@ void Processor::initialize(u32 cpu)
g_current_processor = this;
}
void Processor::initialize()
{
}
[[noreturn]] void Processor::halt()
{
disable_interrupts();

3
Kernel/Arch/aarch64/Processor.h
View file

@ -44,7 +44,8 @@ class Processor {
public:
Processor() = default;
void initialize(u32 cpu);
void install(u32 cpu);
void initialize();
template<typename T>
T* get_specific()

4
Kernel/Arch/aarch64/init.cpp
View file

@ -147,7 +147,7 @@ extern "C" [[noreturn]] void init()
CommandLine::early_initialize("");
new (&bootstrap_processor()) Processor();
bootstrap_processor().initialize(0);
bootstrap_processor().install(0);
// We want to enable the MMU as fast as possible to make the boot faster.
init_page_tables();
@ -159,6 +159,8 @@ extern "C" [[noreturn]] void init()
(*ctor)();
kmalloc_init();
bootstrap_processor().initialize();
load_kernel_symbol_table();
CommandLine::initialize();