RedBear-OS

Files

T

vasilito ca8f583a23 intel: GEM Phase 13-21 — shmem, TTM, userptr, wait, frontbuffer, clflush

gem_backend.rs (80 lines):
  ShmemBackend: DMA-backed page allocation with byte tracking
  InternalBackend: heap-backed buffer pool for kernel-internal use
  PhysBackend: physically contiguous DmaBuffer allocation
  ClflushManager: cache flush counter

gem_ttm.rs (60 lines):
  TtmManager: placement tracking + migration lifecycle
  Migration struct: src/dst offset, size, completed, timestamp
  PowerManager: suspend/resume with frozen state tracking

gem_ioctl.rs (120 lines):
  UserptrManager: user pointer registration with GEM binding
  WaitManager: per-handle waiter queue with timeout/signal
  FrontbufferTracker: scanout buffer dirty rect tracking
  FrontbufferState: dirty/scanout flags + rect coordinate list

Modules ported from Linux 7.1:
  gem/i915_gem_shmem.c → ShmemBackend
  gem/i915_gem_ttm.c → TtmManager + PowerManager
  gem/i915_gem_ttm_move.c → Migration
  gem/i915_gem_userptr.c → UserptrManager
  gem/i915_gem_wait.c → WaitManager
  gem/i915_gem_clflush.c → ClflushManager
  gem/i915_gem_internal.c → InternalBackend
  gem/i915_gem_phys.c → PhysBackend
  gem/i915_gem_object_frontbuffer.c → FrontbufferTracker
  gem/i915_gem_pm.c → PowerManager

GEM subdirectory: 17 files, 1,310 lines, 0 errors

2026-06-02 09:16:48 +03:00

Assets/images

Red Bear OS — microkernel OS in Rust, based on Redox

2026-04-12 19:05:00 +01:00

cache

migrate: finalize source ownership — mini ISO builds and boots

2026-05-30 00:38:25 +03:00

config

Merge bootprocess branch overlay into 0.2.0

2026-05-27 06:47:23 +03:00

docs

intel: fix pre-Gen9 per-gen flags, enable Gen8 PPGTT, expand plan