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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] vmx: Print VMCS state in a more helpful format.
# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1190211503 -3600
# Node ID 4bc37263e69fcf019be874886c50509d90aa13db
# Parent ec3b23d8d544e209e2a338776538c4d13e4f67c5
vmx: Print VMCS state in a more helpful format.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
xen/arch/x86/hvm/vmx/vmcs.c | 168 +++++++++++++++++++++++++++++++-------------
1 files changed, 122 insertions(+), 46 deletions(-)
diff -r ec3b23d8d544 -r 4bc37263e69f xen/arch/x86/hvm/vmx/vmcs.c
--- a/xen/arch/x86/hvm/vmx/vmcs.c Wed Sep 19 14:25:44 2007 +0100
+++ b/xen/arch/x86/hvm/vmx/vmcs.c Wed Sep 19 15:18:23 2007 +0100
@@ -648,55 +648,131 @@ void vmx_do_resume(struct vcpu *v)
reset_stack_and_jump(vmx_asm_do_vmentry);
}
-/* Dump a section of VMCS */
-static void print_section(char *header, uint32_t start,
- uint32_t end, int incr)
-{
- uint32_t addr, j;
+static void vmx_dump_sel(char *name, enum x86_segment seg)
+{
+ struct segment_register sreg;
+ hvm_get_segment_register(current, seg, &sreg);
+ printk("%s: sel=0x%04x, attr=0x%04x, limit=0x%08x, base=0x%016llx\n",
+ name, sreg.sel, sreg.attr.bytes, sreg.limit,
+ (unsigned long long)sreg.base);
+}
+
+static unsigned long vmr(unsigned long field)
+{
+ int rc;
unsigned long val;
- int code, rc;
- char *fmt[4] = {"0x%04lx ", "0x%016lx ", "0x%08lx ", "0x%016lx "};
- char *err[4] = {"------ ", "------------------ ",
- "---------- ", "------------------ "};
-
- /* Find width of the field (encoded in bits 14:13 of address) */
- code = (start>>13)&3;
-
- if (header)
- printk("\t %s", header);
-
- for (addr=start, j=0; addr<=end; addr+=incr, j++) {
-
- if (!(j&3))
- printk("\n\t\t0x%08x: ", addr);
-
- val = __vmread_safe(addr, &rc);
- if (rc == 0)
- printk(fmt[code], val);
- else
- printk("%s", err[code]);
- }
-
- printk("\n");
-}
-
-/* Dump current VMCS */
+ val = __vmread_safe(field, &rc);
+ return rc ? 0 : val;
+}
+
void vmcs_dump_vcpu(void)
{
- print_section("16-bit Guest-State Fields", 0x800, 0x80e, 2);
- print_section("16-bit Host-State Fields", 0xc00, 0xc0c, 2);
- print_section("64-bit Control Fields", 0x2000, 0x2013, 1);
- print_section("64-bit Guest-State Fields", 0x2800, 0x2803, 1);
- print_section("32-bit Control Fields", 0x4000, 0x401c, 2);
- print_section("32-bit RO Data Fields", 0x4400, 0x440e, 2);
- print_section("32-bit Guest-State Fields", 0x4800, 0x482a, 2);
- print_section("32-bit Host-State Fields", 0x4c00, 0x4c00, 2);
- print_section("Natural 64-bit Control Fields", 0x6000, 0x600e, 2);
- print_section("64-bit RO Data Fields", 0x6400, 0x640A, 2);
- print_section("Natural 64-bit Guest-State Fields", 0x6800, 0x6826, 2);
- print_section("Natural 64-bit Host-State Fields", 0x6c00, 0x6c16, 2);
-}
-
+ unsigned long long x;
+
+ printk("*** Guest State ***\n");
+ printk("CR0: actual=0x%016llx, shadow=0x%016llx, gh_mask=%016llx\n",
+ (unsigned long long)vmr(GUEST_CR0),
+ (unsigned long long)vmr(CR0_READ_SHADOW),
+ (unsigned long long)vmr(CR0_GUEST_HOST_MASK));
+ printk("CR4: actual=0x%016llx, shadow=0x%016llx, gh_mask=%016llx\n",
+ (unsigned long long)vmr(GUEST_CR4),
+ (unsigned long long)vmr(CR4_READ_SHADOW),
+ (unsigned long long)vmr(CR4_GUEST_HOST_MASK));
+ printk("CR3: actual=0x%016llx, target_count=%d\n",
+ (unsigned long long)vmr(GUEST_CR3),
+ (int)vmr(CR3_TARGET_COUNT));
+ printk(" target0=%016llx, target1=%016llx\n",
+ (unsigned long long)vmr(CR3_TARGET_VALUE0),
+ (unsigned long long)vmr(CR3_TARGET_VALUE1));
+ printk(" target2=%016llx, target3=%016llx\n",
+ (unsigned long long)vmr(CR3_TARGET_VALUE2),
+ (unsigned long long)vmr(CR3_TARGET_VALUE3));
+ printk("RSP = 0x%016llx RIP = 0x%016llx\n",
+ (unsigned long long)vmr(GUEST_RSP),
+ (unsigned long long)vmr(GUEST_RIP));
+ printk("RFLAGS=0x%016llx DR7 = 0x%016llx\n",
+ (unsigned long long)vmr(GUEST_DR7),
+ (unsigned long long)vmr(GUEST_RFLAGS));
+ printk("Sysenter RSP=%016llx CS:RIP=%04x:%016llx\n",
+ (unsigned long long)vmr(GUEST_SYSENTER_ESP),
+ (int)vmr(GUEST_SYSENTER_CS),
+ (unsigned long long)vmr(GUEST_SYSENTER_EIP));
+ vmx_dump_sel("CS", x86_seg_cs);
+ vmx_dump_sel("DS", x86_seg_ds);
+ vmx_dump_sel("SS", x86_seg_ss);
+ vmx_dump_sel("ES", x86_seg_es);
+ vmx_dump_sel("FS", x86_seg_fs);
+ vmx_dump_sel("GS", x86_seg_gs);
+ vmx_dump_sel("GDTR", x86_seg_gdtr);
+ vmx_dump_sel("LDTR", x86_seg_ldtr);
+ vmx_dump_sel("IDTR", x86_seg_idtr);
+ vmx_dump_sel("TR", x86_seg_tr);
+ x = (unsigned long long)vmr(TSC_OFFSET_HIGH) << 32;
+ x |= (uint32_t)vmr(TSC_OFFSET);
+ printk("TSC Offset = %016llx\n", x);
+ x = (unsigned long long)vmr(GUEST_IA32_DEBUGCTL) << 32;
+ x |= (uint32_t)vmr(GUEST_IA32_DEBUGCTL);
+ printk("DebugCtl=%016llx DebugExceptions=%016llx\n", x,
+ (unsigned long long)vmr(GUEST_PENDING_DBG_EXCEPTIONS));
+ printk("Interruptibility=%04x ActivityState=%04x\n",
+ (int)vmr(GUEST_INTERRUPTIBILITY_INFO),
+ (int)vmr(GUEST_ACTIVITY_STATE));
+
+ printk("*** Host State ***\n");
+ printk("RSP = 0x%016llx RIP = 0x%016llx\n",
+ (unsigned long long)vmr(HOST_RSP),
+ (unsigned long long)vmr(HOST_RIP));
+ printk("CS=%04x DS=%04x ES=%04x FS=%04x GS=%04x SS=%04x TR=%04x\n",
+ (uint16_t)vmr(HOST_CS_SELECTOR),
+ (uint16_t)vmr(HOST_DS_SELECTOR),
+ (uint16_t)vmr(HOST_ES_SELECTOR),
+ (uint16_t)vmr(HOST_FS_SELECTOR),
+ (uint16_t)vmr(HOST_GS_SELECTOR),
+ (uint16_t)vmr(HOST_SS_SELECTOR),
+ (uint16_t)vmr(HOST_TR_SELECTOR));
+ printk("FSBase=%016llx GSBase=%016llx TRBase=%016llx\n",
+ (unsigned long long)vmr(HOST_FS_BASE),
+ (unsigned long long)vmr(HOST_GS_BASE),
+ (unsigned long long)vmr(HOST_TR_BASE));
+ printk("GDTBase=%016llx IDTBase=%016llx\n",
+ (unsigned long long)vmr(HOST_GDTR_BASE),
+ (unsigned long long)vmr(HOST_IDTR_BASE));
+ printk("CR0=%016llx CR3=%016llx CR4=%016llx\n",
+ (unsigned long long)vmr(HOST_CR0),
+ (unsigned long long)vmr(HOST_CR3),
+ (unsigned long long)vmr(HOST_CR4));
+ printk("Sysenter RSP=%016llx CS:RIP=%04x:%016llx\n",
+ (unsigned long long)vmr(HOST_IA32_SYSENTER_ESP),
+ (int)vmr(HOST_IA32_SYSENTER_CS),
+ (unsigned long long)vmr(HOST_IA32_SYSENTER_EIP));
+
+ printk("*** Control State ***\n");
+ printk("PinBased=%08x CPUBased=%08x SecondaryExec=%08x\n",
+ (uint32_t)vmr(PIN_BASED_VM_EXEC_CONTROL),
+ (uint32_t)vmr(CPU_BASED_VM_EXEC_CONTROL),
+ (uint32_t)vmr(SECONDARY_VM_EXEC_CONTROL));
+ printk("EntryControls=%08x ExitControls=%08x\n",
+ (uint32_t)vmr(VM_ENTRY_CONTROLS),
+ (uint32_t)vmr(VM_EXIT_CONTROLS));
+ printk("ExceptionBitmap=%08x\n",
+ (uint32_t)vmr(EXCEPTION_BITMAP));
+ printk("VMEntry: intr_info=%08x errcode=%08x ilen=%08x\n",
+ (uint32_t)vmr(VM_ENTRY_INTR_INFO),
+ (uint32_t)vmr(VM_ENTRY_EXCEPTION_ERROR_CODE),
+ (uint32_t)vmr(VM_ENTRY_INSTRUCTION_LEN));
+ printk("VMExit: intr_info=%08x errcode=%08x ilen=%08x\n",
+ (uint32_t)vmr(VM_EXIT_INTR_INFO),
+ (uint32_t)vmr(VM_EXIT_INTR_ERROR_CODE),
+ (uint32_t)vmr(VM_ENTRY_INSTRUCTION_LEN));
+ printk(" reason=%08x qualification=%08x\n",
+ (uint32_t)vmr(VM_EXIT_REASON),
+ (uint32_t)vmr(EXIT_QUALIFICATION));
+ printk("IDTVectoring: info=%08x errcode=%08x\n",
+ (uint32_t)vmr(IDT_VECTORING_INFO),
+ (uint32_t)vmr(IDT_VECTORING_ERROR_CODE));
+ printk("TPR Threshold = 0x%02x\n",
+ (uint32_t)vmr(TPR_THRESHOLD));
+}
static void vmcs_dump(unsigned char ch)
{
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