From 32b551d43781dc7b8ac4587ca2ba1554b0cbd5e5 Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Sat, 3 Oct 2026 14:05:38 -0400 Subject: vgsp: host CUDA bridge + sema release recovery; greeneye simulator wave - kernel: gsp_cuda_bridge (QMD launch capture, debugfs job/out/done, param+output resolution cached from inline writes), sema drain fixes (never hold/starve a channel), GR ring autopin + counter autoreg, per-page push reads, counter-derive gate; module builds clean - tools/cuda-bridge: CUDA driver-API daemon executing mail/vadd kernels on the physical GPU, CUBB2/CBD2 v2 protocol, layout check + self-tests - tools/guest-diag + tools/cuda-ab: scanner/pin fixes, victory push-only mode - debug/risc-v-gsp-rm-vm: Phase S simulator wave (GSP device model, boot ladder, triage/re-demo harnesses, docs 30-41), GPGPU-sim scaffolding - STATE-CURRENT/docs updates --- debug/risc-v-gsp-rm-vm/docs/06-ACCURACY.md | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'debug/risc-v-gsp-rm-vm/docs/06-ACCURACY.md') diff --git a/debug/risc-v-gsp-rm-vm/docs/06-ACCURACY.md b/debug/risc-v-gsp-rm-vm/docs/06-ACCURACY.md index ebc9226..a9a91aa 100644 --- a/debug/risc-v-gsp-rm-vm/docs/06-ACCURACY.md +++ b/debug/risc-v-gsp-rm-vm/docs/06-ACCURACY.md @@ -123,14 +123,17 @@ Before trusting a risc-v-gsp-rm-debugger session: ## 8. Known accuracy gaps (living list) -1. No TU104 device model: no boot beyond the first unmapped access. +1. Partial TU104 device model (S1, docs/36): the real 570.144 image is now + served past the first unmapped access to B2 (relocation copy, 0 unknown + MMIO) with a recorded boot shim; B3/B4 (CSB poll, message loop) are not + reached, and the model is uncalibrated and partial. 2. No time/concurrency model; multi-core and partition-switch behaviour is - approximated. + approximated. Cycles are modeled defaults, not measured (docs/32). 3. PMU/SEC2/ACR/Booter behaviour is message-level only. 4. Re-hosted uproc code is compiled for `qemu virt`, so compiler/layout differences with the shipped image must be accounted for when comparing control flow. 5. Interrupt delivery and MSI semantics differ; error-path M5 is the weakest - metric until the device model exists (08). + metric until interrupt delivery is modelled (docs/36 ยง6). Each gap maps to a roadmap item; do not silently ignore them in reports. -- cgit v1.2.3