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-rw-r--r--Kernel/Arch/aarch64/Dummy.cpp39
-rw-r--r--Kernel/Arch/aarch64/init.cpp180
2 files changed, 9 insertions, 210 deletions
diff --git a/Kernel/Arch/aarch64/Dummy.cpp b/Kernel/Arch/aarch64/Dummy.cpp
index feb3d84992..e08dcd713c 100644
--- a/Kernel/Arch/aarch64/Dummy.cpp
+++ b/Kernel/Arch/aarch64/Dummy.cpp
@@ -8,6 +8,7 @@
#include <AK/Types.h>
#include <Kernel/Arch/Delay.h>
+#include <Kernel/Bus/PCI/Initializer.h>
#include <Kernel/Process.h>
#include <Kernel/Sections.h>
#include <Kernel/kstdio.h>
@@ -28,38 +29,16 @@ namespace Kernel::PCI {
bool g_pci_access_io_probe_failed { false };
bool g_pci_access_is_disabled_from_commandline { true };
+void initialize()
+{
+ dbgln("PCI: FIXME: Enable PCI for aarch64 platforms");
+ g_pci_access_io_probe_failed = true;
}
-// x86 init
-
-multiboot_module_entry_t multiboot_copy_boot_modules_array[16];
-size_t multiboot_copy_boot_modules_count;
-
-extern "C" {
-READONLY_AFTER_INIT PhysicalAddress start_of_prekernel_image;
-READONLY_AFTER_INIT PhysicalAddress end_of_prekernel_image;
-READONLY_AFTER_INIT size_t physical_to_virtual_offset;
-// READONLY_AFTER_INIT FlatPtr kernel_mapping_base;
-READONLY_AFTER_INIT FlatPtr kernel_load_base;
-READONLY_AFTER_INIT PhysicalAddress boot_pml4t;
-READONLY_AFTER_INIT PhysicalAddress boot_pdpt;
-READONLY_AFTER_INIT PhysicalAddress boot_pd0;
-READONLY_AFTER_INIT PhysicalAddress boot_pd_kernel;
-READONLY_AFTER_INIT Kernel::Memory::PageTableEntry* boot_pd_kernel_pt1023;
-READONLY_AFTER_INIT char const* kernel_cmdline;
-READONLY_AFTER_INIT u32 multiboot_flags;
-READONLY_AFTER_INIT multiboot_memory_map_t* multiboot_memory_map;
-READONLY_AFTER_INIT size_t multiboot_memory_map_count;
-READONLY_AFTER_INIT multiboot_module_entry_t* multiboot_modules;
-READONLY_AFTER_INIT size_t multiboot_modules_count;
-READONLY_AFTER_INIT PhysicalAddress multiboot_framebuffer_addr;
-READONLY_AFTER_INIT u32 multiboot_framebuffer_pitch;
-READONLY_AFTER_INIT u32 multiboot_framebuffer_width;
-READONLY_AFTER_INIT u32 multiboot_framebuffer_height;
-READONLY_AFTER_INIT u8 multiboot_framebuffer_bpp;
-READONLY_AFTER_INIT u8 multiboot_framebuffer_type;
}
-extern "C" {
-FlatPtr kernel_mapping_base;
+// kprintf.cpp
+void set_serial_debug_enabled(bool)
+{
+ dbgln("FIXME: Add support for changing state of serial debugging");
}
diff --git a/Kernel/Arch/aarch64/init.cpp b/Kernel/Arch/aarch64/init.cpp
deleted file mode 100644
index 15d7dc7a71..0000000000
--- a/Kernel/Arch/aarch64/init.cpp
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * Copyright (c) 2021, Nico Weber <thakis@chromium.org>
- * Copyright (c) 2021, Marcin Undak <mcinek@gmail.com>
- * Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
- * Copyright (c) 2022, the SerenityOS developers.
- * Copyright (c) 2022, Filiph Sandström <filiph.sandstrom@filfatstudios.com>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <AK/Format.h>
-#include <AK/Types.h>
-
-#include <Kernel/Arch/InterruptManagement.h>
-#include <Kernel/Arch/Interrupts.h>
-#include <Kernel/Arch/Processor.h>
-#include <Kernel/Arch/aarch64/ASM_wrapper.h>
-#include <Kernel/Arch/aarch64/BootPPMParser.h>
-#include <Kernel/Arch/aarch64/CPU.h>
-#include <Kernel/Arch/aarch64/RPi/Framebuffer.h>
-#include <Kernel/Arch/aarch64/RPi/Mailbox.h>
-#include <Kernel/Arch/aarch64/RPi/UART.h>
-#include <Kernel/Arch/aarch64/Registers.h>
-#include <Kernel/Arch/aarch64/TrapFrame.h>
-#include <Kernel/CommandLine.h>
-#include <Kernel/Devices/DeviceManagement.h>
-#include <Kernel/FileSystem/VirtualFileSystem.h>
-#include <Kernel/Graphics/Console/BootFramebufferConsole.h>
-#include <Kernel/KSyms.h>
-#include <Kernel/Memory/MemoryManager.h>
-#include <Kernel/Panic.h>
-#include <Kernel/Scheduler.h>
-#include <Kernel/Storage/StorageManagement.h>
-#include <Kernel/TTY/VirtualConsole.h>
-
-typedef void (*ctor_func_t)();
-extern ctor_func_t start_heap_ctors[];
-extern ctor_func_t end_heap_ctors[];
-extern ctor_func_t start_ctors[];
-extern ctor_func_t end_ctors[];
-
-// FIXME: Share this with the Intel Prekernel.
-extern uintptr_t __stack_chk_guard;
-uintptr_t __stack_chk_guard;
-
-READONLY_AFTER_INIT bool g_in_early_boot;
-
-namespace Kernel {
-
-extern "C" [[noreturn]] void halt();
-extern "C" [[noreturn]] void init();
-
-ALWAYS_INLINE static Processor& bootstrap_processor()
-{
- alignas(Processor) static u8 bootstrap_processor_storage[sizeof(Processor)];
- return (Processor&)bootstrap_processor_storage;
-}
-
-Atomic<Graphics::Console*> g_boot_console;
-
-VirtualConsole* tty0;
-ProcessID g_init_pid { 0 };
-
-static void init_stage2(void*);
-void init_stage2(void*)
-{
- Process::register_new(Process::current());
-
- auto firmware_version = RPi::Mailbox::the().query_firmware_version();
- dmesgln("RPi: Firmware version: {}", firmware_version);
-
- VirtualFileSystem::initialize();
-
- StorageManagement::the().initialize(kernel_command_line().root_device(), kernel_command_line().is_force_pio(), kernel_command_line().is_nvme_polling_enabled());
- if (VirtualFileSystem::the().mount_root(StorageManagement::the().root_filesystem()).is_error()) {
- PANIC("VirtualFileSystem::mount_root failed");
- }
-
- // Switch out of early boot mode.
- g_in_early_boot = false;
-
- LockRefPtr<Thread> thread;
- auto userspace_init = kernel_command_line().userspace_init();
- auto init_args = kernel_command_line().userspace_init_args();
-
- auto init_or_error = Process::try_create_user_process(thread, userspace_init, UserID(0), GroupID(0), move(init_args), {}, tty0);
- if (init_or_error.is_error())
- PANIC("init_stage2: Error spawning init process: {}", init_or_error.error());
-
- g_init_pid = init_or_error.value()->pid();
-
- thread->set_priority(THREAD_PRIORITY_HIGH);
-
- Process::current().sys$exit(0);
- VERIFY_NOT_REACHED();
-}
-
-extern "C" [[noreturn]] void init()
-{
- g_in_early_boot = true;
-
- // FIXME: Don't hardcode this
- multiboot_memory_map_t mmap[] = {
- { sizeof(struct multiboot_mmap_entry) - sizeof(u32),
- (u64)0x0,
- (u64)0x3F000000,
- MULTIBOOT_MEMORY_AVAILABLE }
- };
-
- multiboot_memory_map = mmap;
- multiboot_memory_map_count = 1;
-
- dbgln("Welcome to Serenity OS!");
- dbgln("Imagine this being your ideal operating system.");
- dbgln("Observed deviations from that ideal are shortcomings of your imagination.");
- dbgln();
-
- CommandLine::early_initialize("");
-
- new (&bootstrap_processor()) Processor();
- bootstrap_processor().early_initialize(0);
-
- // We call the constructors of kmalloc.cpp separately, because other constructors in the Kernel
- // might rely on being able to call new/kmalloc in the constructor. We do have to run the
- // kmalloc constructors, because kmalloc_init relies on that.
- for (ctor_func_t* ctor = start_heap_ctors; ctor < end_heap_ctors; ctor++)
- (*ctor)();
- kmalloc_init();
-
- bootstrap_processor().initialize(0);
-
- load_kernel_symbol_table();
-
- CommandLine::initialize();
-
- dmesgln("Starting SerenityOS...");
-
- Memory::MemoryManager::initialize(0);
- DeviceManagement::initialize();
- SysFSComponentRegistry::initialize();
- DeviceManagement::the().attach_null_device(*NullDevice::must_initialize());
-
- // Invoke all static global constructors in the kernel.
- // Note that we want to do this as early as possible.
- for (ctor_func_t* ctor = start_ctors; ctor < end_ctors; ctor++)
- (*ctor)();
-
- RPi::Framebuffer::initialize();
-
- auto& framebuffer = RPi::Framebuffer::the();
- if (framebuffer.initialized()) {
- g_boot_console = &try_make_lock_ref_counted<Graphics::BootFramebufferConsole>(PhysicalAddress((PhysicalPtr)framebuffer.gpu_buffer()), framebuffer.width(), framebuffer.height(), framebuffer.pitch()).value().leak_ref();
- framebuffer.draw_logo(static_cast<Graphics::BootFramebufferConsole*>(g_boot_console.load())->unsafe_framebuffer_data());
- }
-
- initialize_interrupts();
- InterruptManagement::initialize();
- Processor::enable_interrupts();
-
- // Note: We have to disable interrupts otherwise Scheduler::timer_tick might be called before the scheduler is started.
- Processor::disable_interrupts();
- TimeManagement::initialize(0);
-
- Process::initialize();
- Scheduler::initialize();
-
- {
- LockRefPtr<Thread> init_stage2_thread;
- (void)Process::create_kernel_process(init_stage2_thread, KString::must_create("init_stage2"sv), init_stage2, nullptr, THREAD_AFFINITY_DEFAULT, Process::RegisterProcess::No);
- // We need to make sure we drop the reference for init_stage2_thread
- // before calling into Scheduler::start, otherwise we will have a
- // dangling Thread that never gets cleaned up
- }
-
- Scheduler::start();
-
- VERIFY_NOT_REACHED();
-}
-
-}