Changeset 34824 in vbox

Timestamp:

Dec 8, 2010 10:31:22 AM (14 years ago)

Author:

vboxsync

Message:

Audio/HDA: WALCLK emulation uses virtual time source, math fixed.

File:

• trunk/src/VBox/Devices/Audio/DevIchIntelHDA.cpp (modified) (3 diffs)

trunk/src/VBox/Devices/Audio/DevIchIntelHDA.cpp

@@ -26 +26 @@
 #include <iprt/mem.h>
 #include <iprt/asm.h>
+#include <iprt/asm-math.h>
 
 #include "../Builtins.h"
@@ -1002 +1003 @@
 DECLCALLBACK(int)hdaRegReadWALCLK(INTELHDLinkState* pState, uint32_t offset, uint32_t index, uint32_t *pu32Value)
 {
-    *pu32Value = (uint32_t)((RTTimeNanoTS() - pState->u64BaseTS) * 24) / 100;
+    *pu32Value = (uint32_t)ASMMultU64ByU32DivByU32(PDMDevHlpTMTimeVirtGetNano(ICH6_HDASTATE_2_DEVINS(pState) - pState->u64BaseTS), 24, 1000);
     return VINF_SUCCESS;
 }
@@ -1947 +1948 @@
         pThis->hda.pu64RirbBuf = (uint64_t *)RTMemAllocZ(pThis->hda.cbRirbBuf);
 
-    pThis->hda.u64BaseTS = RTTimeNanoTS();
+    pThis->hda.u64BaseTS = PDMDevHlpTMTimeVirtGetNano(pDevIns);
 
 #if 0