diff options
Diffstat (limited to 'kernel/gsp_sema_service.c')
| -rw-r--r-- | kernel/gsp_sema_service.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index 5071314..e7a0172 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -10447,6 +10447,51 @@ int gsp_sema_gl_sph_blob_version(void) } /* + * r1625: the engine-visible known-good program image for a refused + * program page (CODESRC-SUSPECT relocation in the GR launch builder). + * A program page the engine is about to I-fetch must contain an SPH+SASS + * image, not raw filler: the client's per-window program upload never + * ran on this lane, so the page reads empty while the client's own + * SPH+SASS image is already published (`svc_gl_vs`/`svc_gl_ps`, the + * captured upload or the built-in known-good image). Return the image + * for the pipeline stage the section bound at this VA (the sticky + * SET_PIPELINE_SHADER TYPE: 5 = PIXEL, otherwise VTG), falling back to + * the PIXEL image - the observed empty-program class is the pixel stage + * (its 0x2154 upload was never captured). NULL when no image is loaded. + */ +const u8 *gsp_sema_gl_prog_img(u64 va, u32 *len_out) +{ + u64 page = va & ~(u64)(SEMA_PAGE_SIZE - 1); + u32 i, slot = 0, t = 0xff; + + if (len_out) + *len_out = 0; + for (i = 0; i < svc_gl.n_progs && i < SVC_GL_PROG_MAX; i++) { + if ((svc_gl.progs[i] & ~(u64)(SEMA_PAGE_SIZE - 1)) != page) + continue; + slot = svc_gl.prog_slot[i] < 32 ? svc_gl.prog_slot[i] : 0; + t = svc_gl_shader_type[slot]; + break; + } + if (t != 5 && t != 0xff && svc_gl_vs_len) { + if (len_out) + *len_out = svc_gl_vs_len; + return svc_gl_vs; + } + if (svc_gl_ps_len) { + if (len_out) + *len_out = svc_gl_ps_len; + return svc_gl_ps; + } + if (svc_gl_vs_len) { + if (len_out) + *len_out = svc_gl_vs_len; + return svc_gl_vs; + } + return NULL; +} + +/* * SESSION 153 (GL client draw sections): the GL client's own per-frame * pushes bind TURING_A (0xC597) exactly like the X server's one-shot * section, but carry no program/param/release operands at all (measured: |