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Diffstat (limited to 'wiki/Project-Status.md')
| -rw-r--r-- | wiki/Project-Status.md | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/wiki/Project-Status.md b/wiki/Project-Status.md index d556f4f..445b00d 100644 --- a/wiki/Project-Status.md +++ b/wiki/Project-Status.md @@ -10,7 +10,8 @@ > (the execution frontier). When this page and the docs disagree, the docs tree > wins. -Status: 2026-11-14, tree `master @ 339da842`. Tags: `[live]` proven with the +Status: 2026-11-15, tree `master @ 444ae2c1` plus in-flight graphics changes in +the working tree. Tags: `[live]` proven with the stock guest driver; `[gated]` implemented, default-off or behind supervised gates; `[wip]` partially implemented; `[wall]` current blocker; `[target]` named success state; `[planned]` designed, not built. @@ -28,7 +29,30 @@ named success state; `[planned]` designed, not built. | Physical backend on real hardware (module-owned GPU running its real GSP-RM) | `[live]` boot, RPC session, object creation, copy-engine work and GR execution proven — the verified guest CUDA kernel clients execute through this backend, and graphics method streams execute on the engine ([`Graphics-Execution.md`](Graphics-Execution.md)) | | Display and KMS on the emulated vGPU (nvidia-modeset/NvKms, `/dev/dri`, X) | `[live]` in the campaign configuration — the emulated display engine serves the guest's display push-buffer channels (notifier plus `UPDATE -> FINISHED`), nvidia-modeset/NvKms registers (`/dev/dri/card0`, `renderD128`, `fb0`), `nvidia-smi -L` enumerates and X settles. The X DDX idle-DMA/ScreenInit, USERD-latch lifetime, re-probe-thrash, Xorg kernel-mode-spin and flip-event walls were closed (X green for >10 minutes in a validated window); what remains is the per-boot **first-generation X start lottery**, which by 11-13/11-14 was the dominant throughput limiter for the graphics A/B runs (only an X started immediately after boot passes DDX DMA init; long stretches of dead starts, one green first-start boot). The display-capability seam is parameterised ([`Graphics-Execution.md`](Graphics-Execution.md)) | | Multi-tenant isolation (mdev per VM, per-context page directories) | `[wip]` device-level coexistence works — multiple mediated devices with different emulated VRAM sizes and multiple guests coexist (two guests demonstrated); per-guest execution isolation for simultaneous CUDA guests is in progress | -| OpenGL (3D graphics) | `[wip]` — the display/KMS stack registers, X and the stock NVIDIA GLX path are fully green (`glxinfo -B` returns 0 with OpenGL 4.6.0 and direct rendering; `glxgears` renders ~520 FPS with the emulated GPU's NVIDIA renderer), and the **first non-black GPU-rendered output** is proven: the pbuffer frame path produced 500/500 non-black 640x480 frames per run and captured videos (45.4 s on 2026-11-11; a 50 s 640x480 h264 capture on 2026-11-12). GZDoom reaches `V_Init: allocate screen` with its GL 4.6.0 context whenever the shared nvClip `modeNum` is even. **The direct-GL submission is now fully decoded:** no client push carries a method-grammar draw header — the channel's 9 NV906F entries tile one contiguous buffer and its per-frame work is carried as rewritten data-block blobs plus small state pushes (324/476/728 B) that invoke MME macros (the QMD-carrier hypothesis was tested and refuted). A content-gated FB-shadow rescue and a LOW-band rescue recover the recycled pushes: the client's draw-state push now opens a C597 section, is captured and marked for the verbatim 3D lane (the first direct-GL stream3d marks), and reaches the engine (`GR LAUNCH submitted`/`OK`, golden MME overlay accepted). **The current wall is MME macro completion:** the beef lane's 2799-word packed program cannot complete inside its <=2048-word block together with the 156-400-word draw window, so the load-only carrier gate drops each beef window and `live_gen` never promotes (a multi-part keep-window mechanism is committed default-off and enabled in the campaign params; A/B pending). RT routing was tested and refuted as the store cause (RT0 bind verified 16x but still `wrote=0`), and the earlier `CODESRC` fault-park class is prevented (zero `FAULT_PDE`/`WEDGE-REARM` on the validated boot). The window stays black (`px0=0`, `wrote=0`); the window/screen present path is unproven, and the X start lottery is the throughput limiter ([`OpenGL.md`](OpenGL.md)) | +| OpenGL (3D graphics) | `[wip]` — the display/KMS stack registers, X and the stock NVIDIA GLX path are fully green (`glxinfo -B` returns 0 with OpenGL 4.6.0 and direct rendering; `glxgears` renders ~520 FPS with the emulated GPU's NVIDIA renderer), and the **first non-black GPU-rendered output** is proven: the pbuffer frame path produced 500/500 non-black 640x480 frames per run and captured videos (45.4 s on 2026-11-11; a 50 s 640x480 h264 capture on 2026-11-12). GZDoom reaches `V_Init: allocate screen` with its GL 4.6.0 context whenever the shared nvClip `modeNum` is even. **The direct-GL submission is now fully decoded:** no client push carries a method-grammar draw header — the channel's 9 NV906F entries tile one contiguous buffer and its per-frame work is carried as rewritten data-block blobs plus small state pushes (324/476/728 B) that invoke MME macros (the QMD-carrier hypothesis was tested and refuted). A content-gated FB-shadow rescue and a LOW-band rescue recover the recycled pushes: the client's draw-state push now opens a C597 section, is captured and marked for the verbatim 3D lane (the first direct-GL stream3d marks), and reaches the engine (`GR LAUNCH submitted`/`OK`, golden MME overlay accepted). **The MME chain now completes and executes the draw macro.** The multi-part +keep-window mechanism won multi-frame windows; the part-launch poison was +eliminated (the real fault was the client's own +`SET_REPORT_SEMAPHORE`/`SET_NOTIFY` writes to client VAs that the host scratch +page-table pool remaps — redirected to a mapped scratch slot; 49 cycles with +zero poison and zero MMU faults); the 2799-word pack completes (2799/2799); +engine-global completion plus keep-done-across-recycle produced the first +`MME-PACK-REARM`; the fixed-CB region is aliased; and the released calls run +macros through to **`DRAW_IAB` (`mac=0x22`)**. Two synthesized-prelude defects +were then fixed: the SPH-BIND prelude self-destructed because an auto-dropped +run broke its kept/final count (`444ae2c1`), and the stage block was silently +skipped by a double-counted budget; with both fixed the prelude emits 84 words +and the DS stage VAs populate (one validated boot carried the full post-REARM +chain, `mac=0x22` and `DS 86040624`). The remaining gap is the **DS stage-0/1 +image**: the synthesized binds read `family+0x900` (zero in the live family +page). Binding `family+0x600` was tried and poisons the DS (`badf1201`) because +the engine-visible alias shadow there is the client's SASS upload, not an SPH +header; the next step is authoring a VTG SPH at an engine-visible VA the +client does not overwrite (`family+0x900`). Stores still miss (`wrote=0`, +`px0=0`); the +window/screen present path is unproven; and the per-boot binding lottery (the +GL client usually rides the X channel in indirect mode, and X start keeps a +first-generation lottery) is the throughput limiter +([`OpenGL.md`](OpenGL.md)) | | Vulkan (3D/compute) | `[wip]` — the guest Vulkan pipeline runs end to end on the emulated vGPU (device, allocation, pipeline, command buffer, fence, queue submit, readback) and the engine executes translated launches; frames are still black — program delivery and program-VA mapping are the frontier ([`Vulkan.md`](Vulkan.md)) | | DirectX / Windows guests | `[planned]` (target) — no Windows guest booted yet; the architecture is the same emulation target ([`DirectX.md`](DirectX.md)) | | Video (NVENC/NVDEC) | `[planned]` | @@ -80,11 +104,10 @@ with direct rendering, `glxgears` renders ~520 FPS); the first non-black GPU-rendered frames are proven off-screen (the pbuffer path produced a 500-frame 45.4 s video on 2026-11-11 and a 50 s capture on 2026-11-12), and GZDoom reaches its screen-allocation stage with GL 4.6.0 on an even modeNum. -The direct-GL submission is fully decoded (no classic draw header; the work is -macro-driven and the client's state push now reaches the engine), but -windowed/screen pixels remain the frontier (the MME multi-part program cannot -yet complete, the store still misses, and X start keeps a first-generation -lottery) — see [`OpenGL.md`](OpenGL.md). The +The direct-GL submission is fully decoded, the MME multi-part program now +completes and the draw macro executes, but windowed/screen pixels remain the +frontier (the DS stage image is the last named gate before stores, and X start +keeps a first-generation lottery) — see [`OpenGL.md`](OpenGL.md). The risc-v-gsp-rm-debugger workbench ([`Riscv-GSP-RM-Debugger.md`](Riscv-GSP-RM-Debugger.md)) is the host-side tooling used to study the firmware side of that frontier. |