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authorTimon Kruiper <timonkruiper@gmail.com>2023-04-06 20:57:40 +0200
committerIdan Horowitz <idan.horowitz@gmail.com>2023-04-06 22:06:03 +0300
commit2b6c44852c6cb8127d870ec72b5d4c82df7825e0 (patch)
tree32830d1fd88a37bb13a1f684f4cb3360c998cf27 /Kernel/Arch/aarch64
parente9b40863abb405cfa644f016727fd2b9fc08574b (diff)
downloadserenity-2b6c44852c6cb8127d870ec72b5d4c82df7825e0.zip
Kernel/aarch64: Actually remove Arch/aarch64/init.cpp
The idea was to remove this file in bd2011406, but that did not actually happen. Let's actually remove it.
Diffstat (limited to 'Kernel/Arch/aarch64')
-rw-r--r--Kernel/Arch/aarch64/init.cpp255
1 files changed, 0 insertions, 255 deletions
diff --git a/Kernel/Arch/aarch64/init.cpp b/Kernel/Arch/aarch64/init.cpp
deleted file mode 100644
index 612d1e4117..0000000000
--- a/Kernel/Arch/aarch64/init.cpp
+++ /dev/null
@@ -1,255 +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 {
-
-static void draw_logo(u8* framebuffer_data);
-static u32 query_firmware_version();
-
-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 = query_firmware_version();
- dmesgln("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;
-
- auto userspace_init = kernel_command_line().userspace_init();
- auto init_args = kernel_command_line().userspace_init_args();
-
- auto init_or_error = Process::create_user_process(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());
-
- auto [init_process, init_thread] = init_or_error.release_value();
- g_init_pid = init_process->pid();
-
- init_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().install(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();
-
- 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)();
-
- 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();
- 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();
-
- MUST(Process::create_kernel_process(KString::must_create("init_stage2"sv), init_stage2, nullptr, THREAD_AFFINITY_DEFAULT, Process::RegisterProcess::No));
-
- Scheduler::start();
-
- VERIFY_NOT_REACHED();
-}
-
-class QueryFirmwareVersionMboxMessage : RPi::Mailbox::Message {
-public:
- u32 version;
-
- QueryFirmwareVersionMboxMessage()
- : RPi::Mailbox::Message(0x0000'0001, 4)
- {
- version = 0;
- }
-};
-
-static u32 query_firmware_version()
-{
- struct __attribute__((aligned(16))) {
- RPi::Mailbox::MessageHeader header;
- QueryFirmwareVersionMboxMessage query_firmware_version;
- RPi::Mailbox::MessageTail tail;
- } message_queue;
-
- if (!RPi::Mailbox::the().send_queue(&message_queue, sizeof(message_queue))) {
- return 0xffff'ffff;
- }
-
- return message_queue.query_firmware_version.version;
-}
-
-extern "C" const u32 serenity_boot_logo_start;
-extern "C" const u32 serenity_boot_logo_size;
-
-static void draw_logo(u8* framebuffer_data)
-{
- BootPPMParser logo_parser(reinterpret_cast<u8 const*>(&serenity_boot_logo_start), serenity_boot_logo_size);
- if (!logo_parser.parse()) {
- dbgln("Failed to parse boot logo.");
- return;
- }
-
- dbgln("Boot logo size: {} ({} x {})", serenity_boot_logo_size, logo_parser.image.width, logo_parser.image.height);
-
- auto& framebuffer = RPi::Framebuffer::the();
- auto fb_ptr = framebuffer_data;
- auto image_left = (framebuffer.width() - logo_parser.image.width) / 2;
- auto image_right = image_left + logo_parser.image.width;
- auto image_top = (framebuffer.height() - logo_parser.image.height) / 2;
- auto image_bottom = image_top + logo_parser.image.height;
- auto logo_pixels = logo_parser.image.pixel_data;
-
- for (u32 y = 0; y < framebuffer.height(); y++) {
- for (u32 x = 0; x < framebuffer.width(); x++) {
- if (x >= image_left && x < image_right && y >= image_top && y < image_bottom) {
- switch (framebuffer.pixel_order()) {
- case RPi::Framebuffer::PixelOrder::RGB:
- fb_ptr[0] = logo_pixels[0];
- fb_ptr[1] = logo_pixels[1];
- fb_ptr[2] = logo_pixels[2];
- break;
- case RPi::Framebuffer::PixelOrder::BGR:
- fb_ptr[0] = logo_pixels[2];
- fb_ptr[1] = logo_pixels[1];
- fb_ptr[2] = logo_pixels[0];
- break;
- default:
- dbgln("Unsupported pixel format");
- VERIFY_NOT_REACHED();
- }
-
- logo_pixels += 3;
- } else {
- fb_ptr[0] = 0xBD;
- fb_ptr[1] = 0xBD;
- fb_ptr[2] = 0xBD;
- }
-
- fb_ptr[3] = 0xFF;
- fb_ptr += 4;
- }
- fb_ptr += framebuffer.pitch() - framebuffer.width() * 4;
- }
-}
-
-}