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-rw-r--r--kernel/gsp_phys_booter.c46
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++;
}
/*