From 5e7e61a5d0a6d9f3519ce5dbaa2c138b7a79fde6 Mon Sep 17 00:00:00 2001 From: _xeroxz Date: Wed, 3 Feb 2021 07:36:47 +0000 Subject: [PATCH] Update README.md --- README.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index d8ecf0a..f45208e 100644 --- a/README.md +++ b/README.md @@ -11,4 +11,6 @@ This project uses WDK and thus Windows Kernel functions to facilitate vmxlaunch. ### VMCS Dump of VMCS control fields can be found [here](https://githacks.org/_xeroxz/bluepill/-/blob/master/VMCS.md). This is not required, but for learning its nice to -see exactly what the MSR masks are, and what VMCS field's there are. \ No newline at end of file +see exactly what the MSR masks are, and what VMCS field's there are. When I first configured the VMCS control field(s), I was setting whatever bits I thought I needed high after +applying VMX reserved bit masks. This was causing vmxerror #7 (control field misconfiguration). Also I found out my xeons dont support xsave, nor do they +support [processor tracing](https://software.intel.com/content/www/us/en/develop/blogs/processor-tracing.html). \ No newline at end of file