vgsp: direct-GL ring/push rescue, VAS/pdb scanners and PTIMER tick; r1780 cycle tooling

1 files changed, 8 insertions, 0 deletions

diff --git a/kernel/gsp_emulation.h b/kernel/gsp_emulation.h
index d9a7f01..16f4db4 100644
--- a/kernel/gsp_emulation.h
+++ b/kernel/gsp_emulation.h
@@ -192,6 +192,14 @@ struct gsp_emu_context {
     u32 bar0_window_base;   /* last-seen NV_PBUS_BAR0_WINDOW BASE (page) */
     u32 bar0_window_target; /* last-seen TARGET (0=vidmem, 2/3=sysmem) */
     bool bar0_window_valid; /* base/target captured at least once */
+
+    /* Emulated PTIMER (BAR0 0x9400/0x9410): the guest RM's time source.
+     * Seeded from the shadow's current 64-bit value on the first tick so
+     * the guest-observed time stays continuous, then advanced by the host
+     * monotonic clock. Without this the RM's timed waits never expire. */
+    u64 ptimer_base;
+    u64 ptimer_t0;
+    bool ptimer_seeded;
 };
 
 /* Shadow accessors shared with gsp_rm_emulation.c */