Author: neel
Date: Thu May 21 18:29:11 2015
New Revision: 283256
URL: https://svnweb.freebsd.org/changeset/base/283256
Log:
Add an option "--get-vmcs-exit-inst-length" to display the instruction length
of the instruction that caused the VM-exit.
MFC after: 1 week
Modified:
head/usr.sbin/bhyvectl/bhyvectl.c
Modified: head/usr.sbin/bhyvectl/bhyvectl.c
==============================================================================
--- head/usr.sbin/bhyvectl/bhyvectl.c Thu May 21 18:23:37 2015
(r283255)
+++ head/usr.sbin/bhyvectl/bhyvectl.c Thu May 21 18:29:11 2015
(r283256)
@@ -293,6 +293,7 @@ static int get_guest_pat, get_host_pat;
static int get_guest_sysenter, get_vmcs_link;
static int get_exit_reason, get_vmcs_exit_qualification;
static int get_vmcs_exit_interruption_info, get_vmcs_exit_interruption_error;
+static int get_vmcs_exit_inst_length;
static uint64_t desc_base;
static uint32_t desc_limit, desc_access;
@@ -1145,7 +1146,15 @@ get_misc_vmcs(struct vmctx *ctx, int vcp
vcpu, u64);
}
}
-
+
+ if (!error && (get_vmcs_exit_inst_length || get_all)) {
+ error = vm_get_vmcs_field(ctx, vcpu,
+ VMCS_EXIT_INSTRUCTION_LENGTH, &u64);
+ if (error == 0)
+ printf("vmcs_exit_inst_length[%d]\t0x%08x\n", vcpu,
+ (uint32_t)u64);
+ }
+
if (!error && (get_vmcs_exit_qualification || get_all)) {
error = vm_get_vmcs_field(ctx, vcpu, VMCS_EXIT_QUALIFICATION,
&u64);
@@ -1405,6 +1414,8 @@ setup_options(bool cpu_intel)
REQ_ARG, 0, SET_VMCS_ENTRY_INTERRUPTION_INFO },
{ "get-vmcs-exit-qualification",
NO_ARG, &get_vmcs_exit_qualification, 1 },
+ { "get-vmcs-exit-inst-length",
+ NO_ARG, &get_vmcs_exit_inst_length, 1 },
{ "get-vmcs-interruptibility",
NO_ARG, &get_vmcs_interruptibility, 1 },
{ "get-vmcs-exit-interruption-error",
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