---

yaml --- r: 205819 b: refs/heads/master c: 62f5242 h: refs/heads/master i: 205817: 08b01e7 205815: da9e8d1 v: v3
git-mirror · Jul 8, 2010 · a0d5be4 · a0d5be4
1 parent 81e416a
commit a0d5be4
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4574fae58d840d78e44ae33236899f92bfb6b4a9
+refs/heads/master: 62f5242e2e275fe526d65733535591c065cc87a5
diff --git a/trunk/drivers/staging/tidspbridge/core/ue_deh.c b/trunk/drivers/staging/tidspbridge/core/ue_deh.c
@@ -186,6 +186,14 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo)
 		print_dsp_trace_buffer(dev_context);
 		dump_dl_modules(dev_context);
 
+		/*
+		 * Before acking the MMU fault, let's make sure MMU can only
+		 * access entry #0. Then add a new entry so that the DSP OS
+		 * can continue in order to dump the stack.
+		 */
+		hw_mmu_twl_disable(resources->dw_dmmu_base);
+		hw_mmu_tlb_flush_all(resources->dw_dmmu_base);
+
 		hw_mmu_tlb_add(resources->dw_dmmu_base,
 				virt_to_phys(dummy_va_addr), fault_addr,
 				HW_PAGE_SIZE4KB, 1,