From: Avi Kivity <avi@qumranet.com>
To: linux-kernel@vger.kernel.org, kvm-devel@lists.sourceforge.net
Cc: Anthony Liguori <aliguori@us.ibm.com>
Subject: [PATCH 01/50] KVM: x86 emulator: Add vmmcall/vmcall to x86_emulate (v3)
Date: Sun, 23 Dec 2007 16:50:46 +0200 [thread overview]
Message-ID: <1198421495-31481-2-git-send-email-avi@qumranet.com> (raw)
In-Reply-To: <1198421495-31481-1-git-send-email-avi@qumranet.com>
From: Anthony Liguori <aliguori@us.ibm.com>
Add vmmcall/vmcall to x86_emulate. Future patch will implement functionality
for these instructions.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---
drivers/kvm/x86_emulate.c | 23 +++++++++++++++++------
1 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index bd46de6..84af9cc 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -1380,6 +1380,12 @@ twobyte_insn:
u16 size;
unsigned long address;
+ case 0: /* vmcall */
+ if (modrm_mod != 3 || modrm_rm != 1)
+ goto cannot_emulate;
+
+ /* nop */
+ break;
case 2: /* lgdt */
rc = read_descriptor(ctxt, ops, src.ptr,
&size, &address, op_bytes);
@@ -1387,12 +1393,17 @@ twobyte_insn:
goto done;
realmode_lgdt(ctxt->vcpu, size, address);
break;
- case 3: /* lidt */
- rc = read_descriptor(ctxt, ops, src.ptr,
- &size, &address, op_bytes);
- if (rc)
- goto done;
- realmode_lidt(ctxt->vcpu, size, address);
+ case 3: /* lidt/vmmcall */
+ if (modrm_mod == 3 && modrm_rm == 1) {
+ /* nop */
+ } else {
+ rc = read_descriptor(ctxt, ops, src.ptr,
+ &size, &address,
+ op_bytes);
+ if (rc)
+ goto done;
+ realmode_lidt(ctxt->vcpu, size, address);
+ }
break;
case 4: /* smsw */
if (modrm_mod != 3)
--
1.5.3.7
next prev parent reply other threads:[~2007-12-23 14:52 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-23 14:50 [PATCH 00/50] KVM patch queue review for 2.6.25 merge window (part I) Avi Kivity
2007-12-23 14:50 ` Avi Kivity [this message]
2007-12-23 14:50 ` [PATCH 02/50] KVM: Refactor hypercall infrastructure (v3) Avi Kivity
2007-12-23 14:50 ` [PATCH 03/50] KVM: x86 emulator: remove unused functions Avi Kivity
2007-12-23 14:50 ` [PATCH 04/50] KVM: x86 emulator: move all x86_emulate_memop() to a structure Avi Kivity
2007-12-23 14:50 ` [PATCH 05/50] KVM: x86 emulator: move all decoding process to function x86_decode_insn() Avi Kivity
2007-12-23 14:50 ` [PATCH 06/50] KVM: emulate_instruction() calls now x86_decode_insn() and x86_emulate_insn() Avi Kivity
2007-12-23 14:50 ` [PATCH 07/50] KVM: Call x86_decode_insn() only when needed Avi Kivity
2007-12-23 14:50 ` [PATCH 08/50] KVM: VMX: Further reduce efer reloads Avi Kivity
2007-12-23 14:50 ` [PATCH 09/50] KVM: Allow not-present guest page faults to bypass kvm Avi Kivity
2007-12-23 14:50 ` [PATCH 10/50] KVM: MMU: Make flooding detection work when guest page faults are bypassed Avi Kivity
2007-12-23 14:50 ` [PATCH 11/50] KVM: MMU: Ignore reserved bits in cr3 in non-pae mode Avi Kivity
2007-12-23 14:50 ` [PATCH 12/50] KVM: x86 emulator: split some decoding into functions for readability Avi Kivity
2007-12-23 14:50 ` [PATCH 13/50] KVM: x86 emulator: remove _eflags and use directly ctxt->eflags Avi Kivity
2007-12-23 14:50 ` [PATCH 14/50] KVM: x86 emulator: Remove no_wb, use dst.type = OP_NONE instead Avi Kivity
2007-12-23 14:51 ` [PATCH 15/50] KVM: x86_emulator: no writeback for bt Avi Kivity
2007-12-23 14:51 ` [PATCH 16/50] KVM: Purify x86_decode_insn() error case management Avi Kivity
2007-12-23 14:51 ` [PATCH 17/50] KVM: x86 emulator: Any legacy prefix after a REX prefix nullifies its effect Avi Kivity
2007-12-23 14:51 ` [PATCH 18/50] KVM: VMX: Don't clear the vmcs if the vcpu is not loaded on any processor Avi Kivity
2007-12-23 14:51 ` [PATCH 19/50] KVM: VMX: Simplify vcpu_clear() Avi Kivity
2007-12-23 14:51 ` [PATCH 20/50] KVM: Remove the usage of page->private field by rmap Avi Kivity
2007-12-23 14:51 ` [PATCH 21/50] KVM: Add general accessors to read and write guest memory Avi Kivity
2007-12-23 14:51 ` [PATCH 22/50] KVM: Allow dynamic allocation of the mmu shadow cache size Avi Kivity
2007-12-23 14:51 ` [PATCH 23/50] KVM: Add kvm_free_lapic() to pair with kvm_create_lapic() Avi Kivity
2007-12-23 14:51 ` [PATCH 24/50] KVM: Hoist kvm_create_lapic() into kvm_vcpu_init() Avi Kivity
2007-12-23 14:51 ` [PATCH 25/50] KVM: Remove gratuitous casts from lapic.c Avi Kivity
2007-12-23 14:51 ` [PATCH 26/50] KVM: CodingStyle cleanup Avi Kivity
2007-12-23 14:51 ` [PATCH 27/50] KVM: Support assigning userspace memory to the guest Avi Kivity
2007-12-23 18:16 ` [kvm-devel] " Avi Kivity
2007-12-23 14:51 ` [PATCH 28/50] KVM: Move x86 msr handling to new files x86.[ch] Avi Kivity
2007-12-23 14:51 ` [PATCH 29/50] KVM: MMU: Clean up MMU functions to take struct kvm when appropriate Avi Kivity
2007-12-23 14:51 ` [PATCH 30/50] KVM: MMU: More struct kvm_vcpu -> struct kvm cleanups Avi Kivity
2007-12-23 14:51 ` [PATCH 31/50] KVM: Move guest pte dirty bit management to the guest pagetable walker Avi Kivity
2007-12-23 14:51 ` [PATCH 32/50] KVM: MMU: Fix nx access bit for huge pages Avi Kivity
2007-12-23 14:51 ` [PATCH 33/50] KVM: MMU: Disable write access on clean large pages Avi Kivity
2007-12-23 14:51 ` [PATCH 34/50] KVM: MMU: Instantiate real-mode shadows as user writable shadows Avi Kivity
2007-12-23 14:51 ` [PATCH 35/50] KVM: MMU: Move dirty bit updates to a separate function Avi Kivity
2007-12-23 14:51 ` [PATCH 36/50] KVM: MMU: When updating the dirty bit, inform the mmu about it Avi Kivity
2007-12-23 14:51 ` [PATCH 37/50] KVM: Portability: split kvm_vcpu_ioctl Avi Kivity
2007-12-23 14:51 ` [PATCH 38/50] KVM: apic round robin cleanup Avi Kivity
2007-12-23 14:51 ` [PATCH 39/50] KVM: Add some \n in ioapic_debug() Avi Kivity
2007-12-23 14:51 ` [PATCH 40/50] KVM: Move apic timer interrupt backlog processing to common code Avi Kivity
2007-12-23 14:51 ` [PATCH 41/50] KVM: Rename KVM_TLB_FLUSH to KVM_REQ_TLB_FLUSH Avi Kivity
2007-12-23 14:51 ` [PATCH 42/50] KVM: x86 emulator: Implement emulation of instruction: inc & dec Avi Kivity
2007-12-23 14:51 ` [PATCH 43/50] KVM: MMU: Simplify page table walker Avi Kivity
2007-12-23 14:51 ` [PATCH 44/50] KVM: x86 emulator: cmc, clc, cli, sti Avi Kivity
2007-12-23 14:51 ` [PATCH 45/50] KVM: MMU: Add rmap_next(), a helper for walking kvm rmaps Avi Kivity
2007-12-23 14:51 ` [PATCH 46/50] KVM: MMU: Keep a reverse mapping of non-writable translations Avi Kivity
2007-12-23 14:51 ` [PATCH 47/50] KVM: MMU: Make gfn_to_page() always safe Avi Kivity
2007-12-23 14:51 ` [PATCH 48/50] KVM: MMU: Partial swapping of guest memory Avi Kivity
2007-12-23 14:51 ` [PATCH 49/50] KVM: Use virtual cpu accounting if available for guest times Avi Kivity
2007-12-23 14:51 ` [PATCH 50/50] KVM: Allocate userspace memory for older userspace Avi Kivity
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