genode/repos/base-sel4/patches/intel_vmx_full_state.patch

88 lines
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--- src/kernel/sel4/src/arch/x86/object/vcpu.c
+++ src/kernel/sel4/src/arch/x86/object/vcpu.c
@@ -88,6 +88,9 @@ static bool_t vmx_feature_ack_on_exit;
static vcpu_t *x86KSVPIDTable[VPID_LAST + 1];
static vpid_t x86KSNextVPID = VPID_FIRST;
+static void
+setMRs_vmexit(uint32_t reason, word_t qualification, tcb_t *tcb);
+
static inline bool_t
vmxon(paddr_t vmxon_region)
{
@@ -967,10 +987,8 @@ vcpu_update_state_sysvmenter(vcpu_t *vcpu)
void
vcpu_sysvmenter_reply_to_user(tcb_t *tcb)
{
- word_t *buffer;
vcpu_t *vcpu;
- buffer = lookupIPCBuffer(true, tcb);
vcpu = tcb->tcbArch.tcbVCPU;
assert(vcpu);
@@ -979,11 +997,9 @@ vcpu_sysvmenter_reply_to_user(tcb_t *tcb)
switchVCPU(vcpu);
}
- setMR(tcb, buffer, SEL4_VMENTER_CALL_EIP_MR, vmread(VMX_GUEST_RIP));
- setMR(tcb, buffer, SEL4_VMENTER_CALL_CONTROL_PPC_MR, vmread(VMX_CONTROL_PRIMARY_PROCESSOR_CONTROLS));
+ setMRs_vmexit(/* unused */ -1, /* unused */ -1, tcb);
- setMR(tcb, buffer, SEL4_VMENTER_CALL_CONTROL_ENTRY_MR, vmread(VMX_CONTROL_ENTRY_INTERRUPTION_INFO));
- setRegister(tcb, msgInfoRegister, 0);
+ setRegister(tcb, msgInfoRegister, 0 /* notification that this is no VM exit */);
}
exception_t
@@ -1113,27 +1141,27 @@ vtx_init(void)
}
static void
-setMRs_vmexit(uint32_t reason, word_t qualification)
+setMRs_vmexit(uint32_t reason, word_t qualification, tcb_t *tcb)
{
word_t *buffer;
int i;
- buffer = lookupIPCBuffer(true, NODE_STATE(ksCurThread));
+ buffer = lookupIPCBuffer(true, tcb);
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_CALL_EIP_MR, vmread(VMX_GUEST_RIP));
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_CALL_CONTROL_PPC_MR, vmread(VMX_CONTROL_PRIMARY_PROCESSOR_CONTROLS));
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_CALL_CONTROL_ENTRY_MR, vmread(VMX_CONTROL_ENTRY_INTERRUPTION_INFO));
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_REASON_MR, reason);
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_QUALIFICATION_MR, qualification);
+ setMR(tcb, buffer, SEL4_VMENTER_CALL_EIP_MR, vmread(VMX_GUEST_RIP));
+ setMR(tcb, buffer, SEL4_VMENTER_CALL_CONTROL_PPC_MR, vmread(VMX_CONTROL_PRIMARY_PROCESSOR_CONTROLS));
+ setMR(tcb, buffer, SEL4_VMENTER_CALL_CONTROL_ENTRY_MR, vmread(VMX_CONTROL_ENTRY_INTERRUPTION_INFO));
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_REASON_MR, reason);
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_QUALIFICATION_MR, qualification);
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_INSTRUCTION_LEN_MR, vmread(VMX_DATA_EXIT_INSTRUCTION_LENGTH));
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_GUEST_PHYSICAL_MR, vmread(VMX_DATA_GUEST_PHYSICAL));
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_RFLAGS_MR, vmread(VMX_GUEST_RFLAGS));
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_GUEST_INT_MR, vmread(VMX_GUEST_INTERRUPTABILITY));
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_CR3_MR, vmread(VMX_GUEST_CR3));
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_INSTRUCTION_LEN_MR, vmread(VMX_DATA_EXIT_INSTRUCTION_LENGTH));
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_GUEST_PHYSICAL_MR, vmread(VMX_DATA_GUEST_PHYSICAL));
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_RFLAGS_MR, vmread(VMX_GUEST_RFLAGS));
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_GUEST_INT_MR, vmread(VMX_GUEST_INTERRUPTABILITY));
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_CR3_MR, vmread(VMX_GUEST_CR3));
for (i = 0; i < n_vcpu_gp_register; i++) {
- setMR(NODE_STATE(ksCurThread), buffer, SEL4_VMENTER_FAULT_EAX + i, NODE_STATE(ksCurThread)->tcbArch.tcbVCPU->gp_registers[i]);
+ setMR(tcb, buffer, SEL4_VMENTER_FAULT_EAX + i, tcb->tcbArch.tcbVCPU->gp_registers[i]);
}
}
@@ -1143,7 +1171,7 @@ handleVmxFault(uint32_t reason, word_t qualification)
/* Indicate that we are returning the from VMEnter with a fault */
setRegister(NODE_STATE(ksCurThread), msgInfoRegister, SEL4_VMENTER_RESULT_FAULT);
- setMRs_vmexit(reason, qualification);
+ setMRs_vmexit(reason, qualification, NODE_STATE(ksCurThread));
/* Set the thread back to running */
setThreadState(NODE_STATE(ksCurThread), ThreadState_Running);