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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-29 05:46:14 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-29 05:46:14 -0400 |
| commit | 79b1e72fb59d96a85f2f7b86c581cc39be983cdb (patch) | |
| tree | e186cffe170e66af7a883349e4aa705c39a230ec /kernel/gsp_phys_booter.c | |
| parent | 700d8134e702280494d062b43306eb3b9ca02903 (diff) | |
| download | open-iov-79b1e72fb59d96a85f2f7b86c581cc39be983cdb.tar.gz open-iov-79b1e72fb59d96a85f2f7b86c581cc39be983cdb.zip | |
vgsp: sticky C597 attachment + BEGIN recognizer + draw-scan window; draws captured and replayed on 3D lane (engine reaches program header validation); guest-page blob delivery; two mdevs coexist (SESSION 153 r944-r946)
Diffstat (limited to 'kernel/gsp_phys_booter.c')
| -rw-r--r-- | kernel/gsp_phys_booter.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/kernel/gsp_phys_booter.c b/kernel/gsp_phys_booter.c index f7b43fb..6228d28 100644 --- a/kernel/gsp_phys_booter.c +++ b/kernel/gsp_phys_booter.c @@ -19375,6 +19375,29 @@ static u32 gsp_phys_rmcall_gr_3d_patch_window(const u32 *in, u32 n, u32 *out, addr < 0x4000 && (addr & 0x3fu) == 0x14 && cnt >= 2) { pair = true; + } else if (op == 1 && (addr == 0x1c00 || addr == 0x1c10) && + cnt >= 3) { + /* SESSION 153-CONTINUED-10: SET_VERTEX_STREAM_ + * A_FORMAT(j)+BASE(j) run [fmt, upper, lower] + * (j*0x10 stride) - the vertex data the draw + * reads. Observed [00001000 1 2150b790]. */ + lo_i = 1; + pair = true; + } else if (op == 1 && addr == 0x2380 && cnt >= 3) { + /* SET_CONSTANT_BUFFER_SELECTOR_A/B: + * [size, upper, lower]; observed + * [00010000 1 2150a500]. */ + lo_i = 1; + pair = true; + } else if (op == 1 && addr >= 0x0800 && addr < 0x0c00 && + (addr & 0x3fu) == 0u && cnt >= 2) { + /* SET_COLOR_TARGET_A/B(j) offset pair: + * [upper, lower, w, h, fmt]; the surface the + * draw rasterizes into (must live in guest + * RAM for the present lane to see pixels). + * Observed [1 222fa200 40 4 f7 0]. */ + lo_i = 0; + pair = true; } if (pair && gsp_phys_rmcall_gr_3d_reloc(&d[lo_i], &d[lo_i + 1], @@ -20177,6 +20200,29 @@ int gsp_phys_backend_guest_gr_submit(const struct gsp_phys_gr_submit *req, memcpy(sh_page + (inl->dst_va & (GSP_PHYS_PAGE_SIZE - 1)), inl->data, len); + /* + * SESSION 153-CONTINUED-10: a stream3d (3D + * method-window) submission maps the engine's + * VAs straight at the GUEST page HPA + * (gsp_phys_rmcall_gr_map_shadow_locked + * installs the guest PTE - there is no + * shadow-chunk copy in that path), so the + * engine's I-fetch reads the guest page, not + * sh_page. The GLX program page is never + * written by the guest itself (the driver's + * uploads never ran), and the r945 evidence is + * exactly that: "Graphics Exception: Shader + * Program Header 11/18 Error" on the draw + * whose inline prog-hex blob had only reached + * this shadow copy. Author the inline bytes + * into the guest page too, emulating the + * upload that never executed. + */ + if (stream3d && pg->hpa) + memcpy((u8 *)__va(pg->hpa) + + (inl->dst_va & + (GSP_PHYS_PAGE_SIZE - 1)), + inl->data, len); copied++; } /* |