X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmx_handler.c;h=4066bf2b18a43c715dea822cf55c6d796a45d65b;hb=603e4c1a451138080ded3d4e3cd3b8716741db89;hp=60b313417ca3286bdaea266b2f866cd6ae589b82;hpb=3e5e5a12e64630d7a37ed32b8d7e2d993c79f7e0;p=palacios.git diff --git a/palacios/src/palacios/vmx_handler.c b/palacios/src/palacios/vmx_handler.c index 60b3134..4066bf2 100644 --- a/palacios/src/palacios/vmx_handler.c +++ b/palacios/src/palacios/vmx_handler.c @@ -32,17 +32,36 @@ #include #include +#ifndef CONFIG_DEBUG_VMX +#undef PrintDebug +#define PrintDebug(fmt, args...) +#endif + #ifdef CONFIG_TELEMETRY #include #endif +/* At this point the GPRs are already copied into the guest_info state */ +int v3_handle_atomic_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_info) { + struct vmx_data * vmx_info = (struct vmx_data *)(info->vmm_data); + switch (exit_info->exit_reason) { + case VMEXIT_INTR_WINDOW: + // This is here because we touch the VMCS + vmcs_read(VMCS_PROC_CTRLS, &(vmx_info->pri_proc_ctrls.value)); + vmx_info->pri_proc_ctrls.int_wndw_exit = 0; + vmcs_write(VMCS_PROC_CTRLS, vmx_info->pri_proc_ctrls.value); +#ifdef CONFIG_DEBUG_INTERRUPTS + PrintDebug("Interrupts available again! (RIP=%llx)\n", info->rip); +#endif + break; + } + return 0; +} /* At this point the GPRs are already copied into the guest_info state */ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_info) { - struct vmx_data * vmx_info = (struct vmx_data *)(info->vmm_data); - /* PrintError("Handling VMEXIT: %s (%u), %lu (0x%lx)\n", v3_vmx_exit_code_to_str(exit_info->exit_reason), @@ -51,6 +70,7 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf v3_print_vmcs(); */ + #ifdef CONFIG_TELEMETRY if (info->vm_info->enable_telemetry) { v3_telemetry_start_exit(info); @@ -94,6 +114,18 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf } break; + + case VMEXIT_RDTSC: +#ifdef CONFIG_DEBUG_TIME + PrintDebug("RDTSC\n"); +#endif + if (v3_handle_rdtsc(info) == -1) { + PrintError("Error Handling RDTSC instruction\n"); + return -1; + } + + break; + case VMEXIT_CPUID: if (v3_handle_cpuid(info) == -1) { PrintError("Error Handling CPUID instruction\n"); @@ -204,15 +236,8 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf // Interrupts are handled outside switch break; case VMEXIT_INTR_WINDOW: - - vmcs_read(VMCS_PROC_CTRLS, &(vmx_info->pri_proc_ctrls.value)); - vmx_info->pri_proc_ctrls.int_wndw_exit = 0; - vmcs_write(VMCS_PROC_CTRLS, vmx_info->pri_proc_ctrls.value); - -#ifdef CONFIG_DEBUG_INTERRUPTS - PrintDebug("Interrupts available again! (RIP=%llx)\n", info->rip); -#endif - + // This is handled in the atomic part of the vmx code, + // not in the generic (interruptable) vmx handler break; default: PrintError("Unhandled VMEXIT: %s (%u), %lu (0x%lx)\n", @@ -222,12 +247,14 @@ int v3_handle_vmx_exit(struct guest_info * info, struct vmx_exit_info * exit_inf return -1; } + #ifdef CONFIG_TELEMETRY if (info->vm_info->enable_telemetry) { v3_telemetry_end_exit(info, exit_info->exit_reason); } #endif + return 0; }