v0.5.4

What's Changed

• vmm: don't vmap non-canonical addresses by @sktt in #327
• String cleanups by @minipli-oss in #330
• Fix asm-offset headers (re)generation; Generate binary with debug symbols by @wipawel in #329
• Implement better vunmap() functionality; Enable NULL address (0 MFN) handling by @wipawel in #312
• Implement API to find the frame for a given virtual address by @wipawel in #313
• qemu: Improve KVM detection and export QEMU settings to a config file by @wipawel in #334
• Add dedicated mechanism for page tables mapping/unmapping by @wipawel in #333
• Implement memory range mapping/unmapping; Cleanup and standardize vmap API by @wipawel in #308

Full Changelog: v0.5.3...v0.5.4

v0.5.3

What's Changed

• pagetables: allow user and kernel maps in same pgd by @sktt in #296
• Fix UART initialization and support early and cmdline specified serial consoles by @wipawel in #304
• Timer initialization cleanup and sleep/msleep API correction by @wipawel in #305
• Add reboot functionality by @wipawel in #306
• Minor bug fixing and cleanup by @wipawel in #307
• General improvements and cleanup to page tables handling by @wipawel in #309
• Add warning functionality (warning(), WARN() and WARN_ON()) by @wipawel in #311
• string: fix strdup() too little space allocation by @wipawel in #315
• Refactoring and cleanup mainly; a few small fixes by @wipawel in #310
• Improve dump_pagetables() functionality by @wipawel in #314
• entry: disable interrupts during usermode transition by @wipawel in #316
• More cleanup and refactoring; SMP initialization fix by @wipawel in #325
• Make local APIC timer really local; improve timers initialization; interrupts restore by @wipawel in #326

Full Changelog: v0.5.2...v0.5.3

v0.5.2

What's Changed

• pagetable enhancements by @sktt in #283
• Improved framebuffer text scrolling mechanism by @wipawel in #287
• x86,traps: #DF IST stack has to be mapped in user page tables by @wipawel in #288
• Makefile: add boot_gfx target by @wipawel in #286
• Automatically generate structure member offsets for assembly by @wipawel in #282
• Improve syscall implementation by @wipawel in #284
• Further fixes for usermode handling by @wipawel in #289
• ctags and better python support by @minipli-oss in #292
• IDT fixes and interrupt user flags masking by @wipawel in #291
• Fix real mode transition by @sktt in #294
• CI: Add testing for CLang by @wipawel in #295
• Sysenter by @sktt in #290
• entry: SAVE/RESTORE_ALL_REGS cond. exclude AX by @sktt in #298
• github: fix auto_assign workflow by @wipawel in #300
• README, Makefile: adjust targets. by @sktt in #301
• usermode: set return code correctly by @sktt in #302
• Fix interrupts handling and improve syscall/exception stack handling by @wipawel in #303

Full Changelog: v0.5.1...v0.5.2

v0.5.1

What's Changed

• grub, makefile: fix handling of production and test grub.cfg files by @wipawel in #274
• Bug/syscall return by @sktt in #276
• Some SMP fixes (enable timers and FPU on APs) and minor changes by @wipawel in #277
• Improve handling of tasks on BSP and AP CPUs by @wipawel in #278
• sched: add task repetition functionality by @wipawel in #279
• pmm: properly detect first available memory region by @wipawel in #281
• Bug/syscall clobber by @sktt in #280

New Contributors

• @sktt made their first contribution in #276

Full Changelog: v0.5.0...v0.5.1

v0.5.0

What's Changed

• Prerequisites for the user tasks: task types, per-CPU task lists by @wipawel in #267
• Many small fixes and improvements addressing early boot issues by @wipawel in #270
• clang-format: do not enforce one-line functions by @wipawel in #272
• Add support and use Multiboot2 standard for booting by @wipawel in #271
• symbols: print usermode text symbols by @wipawel in #273
• Implement user mode tasks with syscall support by @wipawel in #275

Full Changelog: v0.4.4...v0.5.0

v0.4.4

What's Changed

• drivers,uart: small improvements and cleanup by @wipawel in #258
• Memory-Type Range Registers (MTRR) support by @82marbag in #261
• tasks: run test_main() as a BSP task by @wipawel in #264
• tasks: make tasks functions return unsigned long value by @wipawel in #265
• Add basic support for user land address space by @wipawel in #269
• Many small fixes and improvements required for user tasks support by @wipawel in #268
• smp: add an abstraction handling detected CPUs' metadata by @wipawel in #266

Full Changelog: v0.4.3...v0.4.4

v0.4.3

What's Changed

• add VIRT_KERNEL_MAP memory area by @wipawel in #240
• Add refcount tracking for ACPICA's mappings and use VIRT_KERNEL_MAP area by @wipawel in #241
• sched: use SLAB for tasks allocations by @wipawel in #242
• slab: make SLAB use VIRT_KERNEL_MAP address space area by @wipawel in #243
• PMM: add simple buddy allocator (splitting and merging frames) by @wipawel in #244
• setup: move cmdline functionality into a dedicated file by @wipawel in #246
• cpuid: move functions from cpuid.h into cpuid.c by @wipawel in #247
• Console functionality enhancement by @wipawel in #248
• acpica: update ACPICA to version 20211217 by @wipawel in #250
• Add PAT support by @82marbag in #254
• setup: add poweroff option to disable default shutdown by @wipawel in #249
• Add CONFIG_DEBUG option by @wipawel in #251
• Small bugfixes: segment signed promotion and PMM overlapping names by @wipawel in #255
• Compile time optimization change, MMIO mapped non-cacheable, task_t struct fix by @wipawel in #257
• Add boot time configuration for UART devices by @wipawel in #252
• Use grub-mkrescue to create Legacy BIOS and EFI bootable ISO by @wipawel in #256
• drivers: add basic framebuffer support by @wipawel in #259
• string: remove __used directive from ctype check functions by @wipawel in #260

Full Changelog: v0.4.2...v0.4.3

v0.4.2

What's Changed

• setup: add option to enable FPU via cmdline by @wipawel in #218
• Cleanups by @minipli-oss in #221
• Extables by @minipli-oss in #220
• README: Slack invite link by @82marbag in #214
• vmm: add missing l2_flags param to vmap_2m() by @wipawel in #223
• CODEOWNERS file by @82marbag in #227
• x86: Add 'l' suffix to btr/bts instructions by @connojd in #224
• fix null ptr in init_madt by @82marbag in #226
• include: introduce bitmap API by @connojd in #225
• pci: add config space locking and set ecsm bit by @connojd in #228
• Update CODEOWNERS by @82marbag in #229
• build: use hardlink for ACPICA's acktf.h file by @wipawel in #233
• slab allocator: fixes/enhancements in slab allocator by @dkgupta-amzn in #236
• scrutinice fix: Reported by scrutinice, changing format specifier by @dkgupta-amzn in #237
• x86,mm: return actual type from get_{pte,pde,pdpe}() by @wipawel in #239
• Add initial PCI support by @connojd in #238

New Contributors

• @minipli-oss made their first contribution in #221
• @connojd made their first contribution in #224

Full Changelog: v0.4.1...v0.4.2

v0.4.1

What's Changed

• pmm: correctly calculate frames count for early memory by @wipawel in #211
• Exception table support by @82marbag in #212
• setup: use tail-call for kernel_main jump by @wipawel in #216
• drivers/pic: drop level sensitive irq configuration by @wipawel in #215
• Fix Libpfm building with KTF by @wipawel in #217
• pit: fix initialization by @82marbag in #213
• build: strip debug info into a separate file by @wipawel in #219

Full Changelog: v0.4.0...v0.4.1

Version: v0.4.0

5510bff acpica: init FADT table and get boot flags
12c492e acpi: add ACPICA-based MDAT table parsing
ea4f092 acpi: add ACPI power off functionality
b84be73 acpica: integrate ACPICA into KTF