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authorAmlal <amlal@nekernel.org>2025-04-25 13:08:33 +0200
committerAmlal <amlal@nekernel.org>2025-04-25 13:08:33 +0200
commitfb790b07aeba8e22e4190cf3e1834d11ecde6c96 (patch)
tree4cec7d1b321307b1d5935577631dae116a658a37 /dev/boot/src/HEL/AMD64/BootEFI.cc
parent63a2d92c5dfe976175cda024ec01905d11b43738 (diff)
dev: better .clang-format, ran format command.
Signed-off-by: Amlal <amlal@nekernel.org>
Diffstat (limited to 'dev/boot/src/HEL/AMD64/BootEFI.cc')
-rw-r--r--dev/boot/src/HEL/AMD64/BootEFI.cc339
1 files changed, 161 insertions, 178 deletions
diff --git a/dev/boot/src/HEL/AMD64/BootEFI.cc b/dev/boot/src/HEL/AMD64/BootEFI.cc
index 6411383d..739876da 100644
--- a/dev/boot/src/HEL/AMD64/BootEFI.cc
+++ b/dev/boot/src/HEL/AMD64/BootEFI.cc
@@ -1,12 +1,11 @@
/* -------------------------------------------
- Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
+ Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#include <BootKit/BootKit.h>
-#include <modules/CoreGfx/CoreGfx.h>
-#include <modules/CoreGfx/TextGfx.h>
+#include <BootKit/BootThread.h>
#include <FirmwareKit/EFI.h>
#include <FirmwareKit/EFI/API.h>
#include <FirmwareKit/Handover.h>
@@ -15,265 +14,249 @@
#include <KernelKit/PEF.h>
#include <NewKit/Macros.h>
#include <NewKit/Ref.h>
-#include <BootKit/BootThread.h>
#include <modules/CoreGfx/CoreGfx.h>
+#include <modules/CoreGfx/TextGfx.h>
// Makes the compiler shut up.
#ifndef kMachineModel
#define kMachineModel "OS"
-#endif // !kMachineModel
+#endif // !kMachineModel
/** Graphics related. */
-STATIC EfiGraphicsOutputProtocol* kGop = nullptr;
-STATIC UInt16 kGopStride = 0U;
-STATIC EfiGUID kGopGuid;
+STATIC EfiGraphicsOutputProtocol* kGop = nullptr;
+STATIC UInt16 kGopStride = 0U;
+STATIC EfiGUID kGopGuid;
/** Related to jumping to the reset vector. */
EXTERN_C Void rt_reset_hardware();
/**
- @brief Finds and stores the GOP object.
+ @brief Finds and stores the GOP object.
*/
-STATIC Bool boot_init_fb() noexcept
-{
- kGopGuid = EfiGUID(EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID);
- kGop = nullptr;
+STATIC Bool boot_init_fb() noexcept {
+ kGopGuid = EfiGUID(EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID);
+ kGop = nullptr;
- if (BS->LocateProtocol(&kGopGuid, nullptr, (VoidPtr*)&kGop) != kEfiOk)
- return No;
+ if (BS->LocateProtocol(&kGopGuid, nullptr, (VoidPtr*) &kGop) != kEfiOk) return No;
- kGopStride = 4;
+ kGopStride = 4;
- return Yes;
+ return Yes;
}
EfiGUID kEfiGlobalNamespaceVarGUID = {
- 0x8BE4DF61, 0x93CA, 0x11D2, {0xAA, 0x0D, 0x00, 0xE0, 0x98, 0x03, 0x2B, 0x8C}};
+ 0x8BE4DF61, 0x93CA, 0x11D2, {0xAA, 0x0D, 0x00, 0xE0, 0x98, 0x03, 0x2B, 0x8C}};
/// @brief BootloaderMain EFI entrypoint.
/// @param image_handle Handle of this image.
/// @param sys_table The system table of it.
/// @return nothing, never returns.
-EFI_EXTERN_C EFI_API Int32 BootloaderMain(EfiHandlePtr image_handle,
- EfiSystemTable* sys_table)
-{
- fw_init_efi(sys_table); ///! Init the EFI library.
+EFI_EXTERN_C EFI_API Int32 BootloaderMain(EfiHandlePtr image_handle, EfiSystemTable* sys_table) {
+ fw_init_efi(sys_table); ///! Init the EFI library.
+
+ ST->ConOut->ClearScreen(sys_table->ConOut);
+ ST->ConOut->SetAttribute(sys_table->ConOut, kEFIYellow);
+
+ ST->BootServices->SetWatchdogTimer(0, 0, 0, nullptr);
+ ST->ConOut->EnableCursor(ST->ConOut, false);
- ST->ConOut->ClearScreen(sys_table->ConOut);
- ST->ConOut->SetAttribute(sys_table->ConOut, kEFIYellow);
+ HEL::BootInfoHeader* handover_hdr = new HEL::BootInfoHeader();
- ST->BootServices->SetWatchdogTimer(0, 0, 0, nullptr);
- ST->ConOut->EnableCursor(ST->ConOut, false);
+ UInt32 map_key = 0;
+ UInt32 size_struct_ptr = sizeof(EfiMemoryDescriptor);
+ EfiMemoryDescriptor* struct_ptr = nullptr;
+ UInt32 sz_desc = sizeof(EfiMemoryDescriptor);
+ UInt32 rev_desc = 0;
- HEL::BootInfoHeader* handover_hdr =
- new HEL::BootInfoHeader();
+ Boot::BootTextWriter writer;
- UInt32 map_key = 0;
- UInt32 size_struct_ptr = sizeof(EfiMemoryDescriptor);
- EfiMemoryDescriptor* struct_ptr = nullptr;
- UInt32 sz_desc = sizeof(EfiMemoryDescriptor);
- UInt32 rev_desc = 0;
-
- Boot::BootTextWriter writer;
+ if (!boot_init_fb()) {
+ writer.Write("BootZ: Invalid Framebuffer, can't boot to NeKernel.\r");
+ Boot::Stop();
+ }
- if (!boot_init_fb())
- {
- writer.Write("BootZ: Invalid Framebuffer, can't boot to NeKernel.\r");
- Boot::Stop();
- }
-
- for (SizeT index_vt = 0; index_vt < sys_table->NumberOfTableEntries;
- ++index_vt)
- {
- Char* vendor_table = reinterpret_cast<Char*>(
- sys_table->ConfigurationTable[index_vt].VendorTable);
+ for (SizeT index_vt = 0; index_vt < sys_table->NumberOfTableEntries; ++index_vt) {
+ Char* vendor_table =
+ reinterpret_cast<Char*>(sys_table->ConfigurationTable[index_vt].VendorTable);
- // ACPI's 'RSD PTR', which contains the ACPI SDT (MADT, FACP...)
- if (vendor_table[0] == 'R' && vendor_table[1] == 'S' &&
- vendor_table[2] == 'D' && vendor_table[3] == ' ' &&
- vendor_table[4] == 'P' && vendor_table[5] == 'T' &&
- vendor_table[6] == 'R' && vendor_table[7] == ' ')
- {
- handover_hdr->f_HardwareTables.f_VendorPtr = (VoidPtr)vendor_table;
- break;
- }
- }
+ // ACPI's 'RSD PTR', which contains the ACPI SDT (MADT, FACP...)
+ if (vendor_table[0] == 'R' && vendor_table[1] == 'S' && vendor_table[2] == 'D' &&
+ vendor_table[3] == ' ' && vendor_table[4] == 'P' && vendor_table[5] == 'T' &&
+ vendor_table[6] == 'R' && vendor_table[7] == ' ') {
+ handover_hdr->f_HardwareTables.f_VendorPtr = (VoidPtr) vendor_table;
+ break;
+ }
+ }
- // ------------------------------------------ //
- // draw background color.
- // ------------------------------------------ //
+ // ------------------------------------------ //
+ // draw background color.
+ // ------------------------------------------ //
- handover_hdr->f_GOP.f_The = kGop->Mode->FrameBufferBase;
- handover_hdr->f_GOP.f_Width = kGop->Mode->Info->VerticalResolution;
- handover_hdr->f_GOP.f_Height = kGop->Mode->Info->HorizontalResolution;
- handover_hdr->f_GOP.f_PixelPerLine = kGop->Mode->Info->PixelsPerScanLine;
- handover_hdr->f_GOP.f_PixelFormat = kGop->Mode->Info->PixelFormat;
- handover_hdr->f_GOP.f_Size = kGop->Mode->FrameBufferSize;
+ handover_hdr->f_GOP.f_The = kGop->Mode->FrameBufferBase;
+ handover_hdr->f_GOP.f_Width = kGop->Mode->Info->VerticalResolution;
+ handover_hdr->f_GOP.f_Height = kGop->Mode->Info->HorizontalResolution;
+ handover_hdr->f_GOP.f_PixelPerLine = kGop->Mode->Info->PixelsPerScanLine;
+ handover_hdr->f_GOP.f_PixelFormat = kGop->Mode->Info->PixelFormat;
+ handover_hdr->f_GOP.f_Size = kGop->Mode->FrameBufferSize;
- // ------------------------------------------- //
- // Grab MP services, extended to runtime. //
- // ------------------------------------------- //
+ // ------------------------------------------- //
+ // Grab MP services, extended to runtime. //
+ // ------------------------------------------- //
- EfiGUID guid_mp = EfiGUID(EFI_MP_SERVICES_PROTOCOL_GUID);
- EfiMpServicesProtocol* mp = nullptr;
+ EfiGUID guid_mp = EfiGUID(EFI_MP_SERVICES_PROTOCOL_GUID);
+ EfiMpServicesProtocol* mp = nullptr;
- BS->LocateProtocol(&guid_mp, nullptr, reinterpret_cast<VoidPtr*>(&mp));
+ BS->LocateProtocol(&guid_mp, nullptr, reinterpret_cast<VoidPtr*>(&mp));
- handover_hdr->f_HardwareTables.f_MpPtr = reinterpret_cast<VoidPtr>(mp);
+ handover_hdr->f_HardwareTables.f_MpPtr = reinterpret_cast<VoidPtr>(mp);
- kHandoverHeader = handover_hdr;
+ kHandoverHeader = handover_hdr;
- FB::fb_clear_video();
+ FB::fb_clear_video();
- UInt32 cnt_enabled = 0;
- UInt32 cnt_disabled = 0;
+ UInt32 cnt_enabled = 0;
+ UInt32 cnt_disabled = 0;
- if (mp)
- {
- mp->GetNumberOfProcessors(mp, &cnt_disabled, &cnt_enabled);
- handover_hdr->f_HardwareTables.f_MultiProcessingEnabled = cnt_enabled > 1;
- }
- else
- {
- handover_hdr->f_HardwareTables.f_MultiProcessingEnabled = NO;
- }
+ if (mp) {
+ mp->GetNumberOfProcessors(mp, &cnt_disabled, &cnt_enabled);
+ handover_hdr->f_HardwareTables.f_MultiProcessingEnabled = cnt_enabled > 1;
+ } else {
+ handover_hdr->f_HardwareTables.f_MultiProcessingEnabled = NO;
+ }
- // Fill handover header now.
+ // Fill handover header now.
- handover_hdr->f_BitMapStart = nullptr; /* Start of bitmap. */
- handover_hdr->f_BitMapSize = kHandoverBitMapSz; /* Size of bitmap in bytes. */
+ handover_hdr->f_BitMapStart = nullptr; /* Start of bitmap. */
+ handover_hdr->f_BitMapSize = kHandoverBitMapSz; /* Size of bitmap in bytes. */
- Int32 trials = 5 * 10000000;
+ Int32 trials = 5 * 10000000;
- writer.Write("BootZ: Welcome to BootZ.\r");
- writer.Write("BootZ: Allocating sufficent memory, trying 4GB...\r");
+ writer.Write("BootZ: Welcome to BootZ.\r");
+ writer.Write("BootZ: Allocating sufficent memory, trying 4GB...\r");
- while (BS->AllocatePool(EfiLoaderData, handover_hdr->f_BitMapSize, &handover_hdr->f_BitMapStart) != kEfiOk)
- {
- --trials;
+ while (BS->AllocatePool(EfiLoaderData, handover_hdr->f_BitMapSize,
+ &handover_hdr->f_BitMapStart) != kEfiOk) {
+ --trials;
- if (!trials)
- {
- writer.Write("BootZ: Unable to allocate sufficent memory, trying again with 2GB...\r");
+ if (!trials) {
+ writer.Write("BootZ: Unable to allocate sufficent memory, trying again with 2GB...\r");
- trials = 3 * 10000000;
+ trials = 3 * 10000000;
- handover_hdr->f_BitMapSize = kHandoverBitMapSz / 2; /* Size of bitmap in bytes. */
+ handover_hdr->f_BitMapSize = kHandoverBitMapSz / 2; /* Size of bitmap in bytes. */
- while (BS->AllocatePool(EfiLoaderData, handover_hdr->f_BitMapSize, &handover_hdr->f_BitMapStart) != kEfiOk)
- {
- --trials;
+ while (BS->AllocatePool(EfiLoaderData, handover_hdr->f_BitMapSize,
+ &handover_hdr->f_BitMapStart) != kEfiOk) {
+ --trials;
- if (!trials)
- {
- writer.Write("BootZ: Unable to allocate sufficent memory, aborting...\r");
- Boot::Stop();
- }
- }
- }
- }
+ if (!trials) {
+ writer.Write("BootZ: Unable to allocate sufficent memory, aborting...\r");
+ Boot::Stop();
+ }
+ }
+ }
+ }
- handover_hdr->f_FirmwareCustomTables[0] = (VoidPtr)BS;
- handover_hdr->f_FirmwareCustomTables[1] = (VoidPtr)ST;
+ handover_hdr->f_FirmwareCustomTables[0] = (VoidPtr) BS;
+ handover_hdr->f_FirmwareCustomTables[1] = (VoidPtr) ST;
- // ------------------------------------------ //
- // If we succeed in reading the blob, then execute it.
- // ------------------------------------------ //
+ // ------------------------------------------ //
+ // If we succeed in reading the blob, then execute it.
+ // ------------------------------------------ //
- Boot::BootFileReader reader_syschk(L"chk.efi", image_handle);
- reader_syschk.ReadAll(0);
+ Boot::BootFileReader reader_syschk(L"chk.efi", image_handle);
+ reader_syschk.ReadAll(0);
- Boot::BootThread* syschk_thread = nullptr;
+ Boot::BootThread* syschk_thread = nullptr;
- if (reader_syschk.Blob())
- {
- syschk_thread = new Boot::BootThread(reader_syschk.Blob());
- syschk_thread->SetName("BootZ/SysChk");
+ if (reader_syschk.Blob()) {
+ syschk_thread = new Boot::BootThread(reader_syschk.Blob());
+ syschk_thread->SetName("BootZ/SysChk");
- syschk_thread->Start(handover_hdr, NO);
- }
+ syschk_thread->Start(handover_hdr, NO);
+ }
- BS->GetMemoryMap(&size_struct_ptr, struct_ptr, &map_key, &sz_desc, &rev_desc);
+ BS->GetMemoryMap(&size_struct_ptr, struct_ptr, &map_key, &sz_desc, &rev_desc);
- handover_hdr->f_FirmwareVendorLen = Boot::BStrLen(sys_table->FirmwareVendor);
+ handover_hdr->f_FirmwareVendorLen = Boot::BStrLen(sys_table->FirmwareVendor);
- handover_hdr->f_Magic = kHandoverMagic;
- handover_hdr->f_Version = kHandoverVersion;
+ handover_hdr->f_Magic = kHandoverMagic;
+ handover_hdr->f_Version = kHandoverVersion;
- handover_hdr->f_HardwareTables.f_ImageKey = map_key;
- handover_hdr->f_HardwareTables.f_ImageHandle = image_handle;
+ handover_hdr->f_HardwareTables.f_ImageKey = map_key;
+ handover_hdr->f_HardwareTables.f_ImageHandle = image_handle;
- // Provide fimware vendor name.
+ // Provide fimware vendor name.
- Boot::BCopyMem(handover_hdr->f_FirmwareVendorName, sys_table->FirmwareVendor,
- handover_hdr->f_FirmwareVendorLen);
+ Boot::BCopyMem(handover_hdr->f_FirmwareVendorName, sys_table->FirmwareVendor,
+ handover_hdr->f_FirmwareVendorLen);
- handover_hdr->f_FirmwareVendorLen = Boot::BStrLen(sys_table->FirmwareVendor);
- // Assign to global 'kHandoverHeader'.
+ handover_hdr->f_FirmwareVendorLen = Boot::BStrLen(sys_table->FirmwareVendor);
+ // Assign to global 'kHandoverHeader'.
- WideChar kernel_path[256U] = L"krnl.efi";
- UInt32 kernel_path_sz = 256U;
+ WideChar kernel_path[256U] = L"krnl.efi";
+ UInt32 kernel_path_sz = 256U;
- if (ST->RuntimeServices->GetVariable(L"/props/boot_path", kEfiGlobalNamespaceVarGUID, nullptr, &kernel_path_sz, kernel_path) != kEfiOk)
- {
- /// access attributes (in order)
- /// EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS
- UInt32 attr = 0x00000001 | 0x00000002 | 0x00000004;
+ if (ST->RuntimeServices->GetVariable(L"/props/boot_path", kEfiGlobalNamespaceVarGUID, nullptr,
+ &kernel_path_sz, kernel_path) != kEfiOk) {
+ /// access attributes (in order)
+ /// EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS
+ UInt32 attr = 0x00000001 | 0x00000002 | 0x00000004;
- ST->RuntimeServices->SetVariable(L"/props/boot_path", kEfiGlobalNamespaceVarGUID, &attr, &kernel_path_sz, kernel_path);
- }
+ ST->RuntimeServices->SetVariable(L"/props/boot_path", kEfiGlobalNamespaceVarGUID, &attr,
+ &kernel_path_sz, kernel_path);
+ }
- UInt32 sz_ver = sizeof(UInt64);
- UInt64 ver = KERNEL_VERSION_BCD;
+ UInt32 sz_ver = sizeof(UInt64);
+ UInt64 ver = KERNEL_VERSION_BCD;
- ST->RuntimeServices->GetVariable(L"/props/kern_ver", kEfiGlobalNamespaceVarGUID, nullptr, &sz_ver, &ver);
+ ST->RuntimeServices->GetVariable(L"/props/kern_ver", kEfiGlobalNamespaceVarGUID, nullptr, &sz_ver,
+ &ver);
- if (ver != KERNEL_VERSION_BCD)
- {
- ver = KERNEL_VERSION_BCD;
+ if (ver != KERNEL_VERSION_BCD) {
+ ver = KERNEL_VERSION_BCD;
- ST->RuntimeServices->SetVariable(L"/props/kern_ver", kEfiGlobalNamespaceVarGUID, nullptr, &sz_ver, &ver);
- writer.Write("BootZ: version has been updated: ").Write(ver).Write("\r");
- }
+ ST->RuntimeServices->SetVariable(L"/props/kern_ver", kEfiGlobalNamespaceVarGUID, nullptr,
+ &sz_ver, &ver);
+ writer.Write("BootZ: version has been updated: ").Write(ver).Write("\r");
+ }
- writer.Write("BootZ: version: ").Write(ver).Write("\r");
+ writer.Write("BootZ: version: ").Write(ver).Write("\r");
- // boot to kernel, if not netboot this.
+ // boot to kernel, if not netboot this.
- Boot::BootFileReader reader_kernel(kernel_path, image_handle);
+ Boot::BootFileReader reader_kernel(kernel_path, image_handle);
- reader_kernel.ReadAll(0);
+ reader_kernel.ReadAll(0);
- // ------------------------------------------ //
- // If we succeed in reading the blob, then execute it.
- // ------------------------------------------ //
+ // ------------------------------------------ //
+ // If we succeed in reading the blob, then execute it.
+ // ------------------------------------------ //
- if (reader_kernel.Blob())
- {
- // ------------------------------------------ //
- // null these fields, to avoid being reused later.
- // ------------------------------------------ //
+ if (reader_kernel.Blob()) {
+ // ------------------------------------------ //
+ // null these fields, to avoid being reused later.
+ // ------------------------------------------ //
- auto kernel_thread = Boot::BootThread(reader_kernel.Blob());
+ auto kernel_thread = Boot::BootThread(reader_kernel.Blob());
- kernel_thread.SetName("BootZ/NeKernel");
+ kernel_thread.SetName("BootZ/NeKernel");
- handover_hdr->f_KernelImage = reader_kernel.Blob();
- handover_hdr->f_KernelSz = reader_kernel.Size();
+ handover_hdr->f_KernelImage = reader_kernel.Blob();
+ handover_hdr->f_KernelSz = reader_kernel.Size();
- kernel_thread.Start(handover_hdr, YES);
- }
+ kernel_thread.Start(handover_hdr, YES);
+ }
- Boot::BootFileReader reader_netboot(L"net.efi", image_handle);
- reader_netboot.ReadAll(0);
+ Boot::BootFileReader reader_netboot(L"net.efi", image_handle);
+ reader_netboot.ReadAll(0);
- if (!reader_netboot.Blob())
- return kEfiFail;
+ if (!reader_netboot.Blob()) return kEfiFail;
- auto netboot_thread = Boot::BootThread(reader_netboot.Blob());
- netboot_thread.SetName("BootZ/BootNet");
+ auto netboot_thread = Boot::BootThread(reader_netboot.Blob());
+ netboot_thread.SetName("BootZ/BootNet");
- return netboot_thread.Start(handover_hdr, NO);
+ return netboot_thread.Start(handover_hdr, NO);
}