From 8d8c487fb9845685a2d7d0489bc0e2b3cca4d5ff Mon Sep 17 00:00:00 2001 From: Jiewen Yao Date: Sun, 18 Mar 2018 23:39:13 +0800 Subject: [PATCH] IntelSiliconPkg/Vtd: Add more debug info. Add more debug info for reason code. Cc: Star Zeng Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jiewen Yao Reviewed-by: Star Zeng --- IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c index bc9f427a36..8dbc83fa2d 100644 --- a/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c +++ b/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/VtdReg.c @@ -481,7 +481,7 @@ DumpVtdRegs ( SourceId.Uint16 = (UINT16)FrcdReg.Bits.SID; DEBUG((DEBUG_INFO, " Source - B%02x D%02x F%02x\n", SourceId.Bits.Bus, SourceId.Bits.Device, SourceId.Bits.Function)); DEBUG((DEBUG_INFO, " Type - %x (%a)\n", FrcdReg.Bits.T, FrcdReg.Bits.T ? "read" : "write")); - DEBUG((DEBUG_INFO, " Reason - %x\n", FrcdReg.Bits.FR)); + DEBUG((DEBUG_INFO, " Reason - %x (Refer to VTd Spec, Appendix A)\n", FrcdReg.Bits.FR)); } } -- 2.39.2