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Nested Virtualization: svm specific implementation

PATCH In review Christoph Egger 1 participant 1 message Jun 3, 2010

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Christoph Egger

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PATCH 11/15 Nested Virtualization: svm specific implementation

Signed-off-by Christoph Egger <[email protected]>
Signature · 6 lines
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach b. Muenchen
Geschaeftsfuehrer: Andrew Bowd, Thomas M. McCoy, Giuliano Meroni
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

# HG changeset patch
# User cegger
# Date 1275580729 -7200
Implement SVM specific part for Nested Virtualization.

xen/arch/x86/hvm/svm/emulate.c +11 -1
diff -r 9665f1bbdc20 -r f4ba5c5bc13d xen/arch/x86/hvm/svm/emulate.c
@@ -100,6 +100,11 @@ MAKE_INSTR(VMCALL, 3, 0x0f, 0x01, 0xd9);
 MAKE_INSTR(HLT,    1, 0xf4);
 MAKE_INSTR(INT3,   1, 0xcc);
 MAKE_INSTR(RDTSC,  2, 0x0f, 0x31);
+MAKE_INSTR(VMRUN,  3, 0x0f, 0x01, 0xd8);
+MAKE_INSTR(VMLOAD, 3, 0x0f, 0x01, 0xda);
+MAKE_INSTR(VMSAVE, 3, 0x0f, 0x01, 0xdb);
+MAKE_INSTR(STGI,   3, 0x0f, 0x01, 0xdc);
+MAKE_INSTR(CLGI,   3, 0x0f, 0x01, 0xdd);
 
 static const u8 *opc_bytes[INSTR_MAX_COUNT] = 
 {

@@ -111,7 +116,12 @@ static const u8 *opc_bytes[INSTR_MAX_COU
     [INSTR_VMCALL] = OPCODE_VMCALL,
     [INSTR_HLT]    = OPCODE_HLT,
     [INSTR_INT3]   = OPCODE_INT3,
-    [INSTR_RDTSC]  = OPCODE_RDTSC
+    [INSTR_RDTSC]  = OPCODE_RDTSC,
+    [INSTR_VMRUN]  = OPCODE_VMRUN,
+    [INSTR_VMLOAD] = OPCODE_VMLOAD,
+    [INSTR_VMSAVE] = OPCODE_VMSAVE,
+    [INSTR_STGI]   = OPCODE_STGI,
+    [INSTR_CLGI]   = OPCODE_CLGI,
 };
 
 static int fetch(struct vcpu *v, u8 *buf, unsigned long addr, int len)
xen/arch/x86/hvm/svm/svm.c +841 -16

961 lines not on this page · raw message

xen/include/asm-x86/hvm/svm/emulate.h +5 -0
diff -r 9665f1bbdc20 -r f4ba5c5bc13d xen/include/asm-x86/hvm/svm/emulate.h
@@ -31,6 +31,11 @@ enum instruction_index {
     INSTR_HLT,
     INSTR_INT3,
     INSTR_RDTSC,
+    INSTR_VMRUN,
+    INSTR_VMLOAD,
+    INSTR_VMSAVE,
+    INSTR_STGI,
+    INSTR_CLGI,
     INSTR_MAX_COUNT /* Must be last - Number of instructions supported */
 };

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