X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmx.c;h=405bca8b729bbd6631164685a3cd18d253d2e2cd;hb=dff987790423249e95487f8754ebe0fbee8dbbdd;hp=11522f44ba3e92d2978199cb38ab893a33f778ed;hpb=c33edc166097522d640b65af5376ca940ac13838;p=palacios.git diff --git a/palacios/src/palacios/vmx.c b/palacios/src/palacios/vmx.c index 11522f4..405bca8 100644 --- a/palacios/src/palacios/vmx.c +++ b/palacios/src/palacios/vmx.c @@ -34,6 +34,10 @@ #include #include +#ifdef V3_CONFIG_CHECKPOINT +#include +#endif + #include #include #include @@ -559,6 +563,63 @@ int v3_deinit_vmx_vmcs(struct guest_info * core) { } + +#ifdef V3_CONFIG_CHECKPOINT +/* + * JRL: This is broken + */ +int v3_vmx_save_core(struct guest_info * core, void * ctx){ + uint64_t vmcs_ptr = vmcs_store(); + + v3_chkpt_save(ctx, "vmcs_data", PAGE_SIZE, (void *)vmcs_ptr); + + return 0; +} + +int v3_vmx_load_core(struct guest_info * core, void * ctx){ + struct vmx_data * vmx_info = (struct vmx_data *)(core->vmm_data); + struct cr0_32 * shadow_cr0; + char vmcs[PAGE_SIZE_4KB]; + + v3_chkpt_load(ctx, "vmcs_data", PAGE_SIZE_4KB, vmcs); + + vmcs_clear(vmx_info->vmcs_ptr_phys); + vmcs_load((addr_t)vmcs); + + v3_vmx_save_vmcs(core); + + shadow_cr0 = (struct cr0_32 *)&(core->ctrl_regs.cr0); + + + /* Get the CPU mode to set the guest_ia32e entry ctrl */ + + if (core->shdw_pg_mode == SHADOW_PAGING) { + if (v3_get_vm_mem_mode(core) == VIRTUAL_MEM) { + if (v3_activate_shadow_pt(core) == -1) { + PrintError("Failed to activate shadow page tables\n"); + return -1; + } + } else { + if (v3_activate_passthrough_pt(core) == -1) { + PrintError("Failed to activate passthrough page tables\n"); + return -1; + } + } + } + + return 0; +} +#endif + + +void v3_flush_vmx_vm_core(struct guest_info * core) { + struct vmx_data * vmx_info = (struct vmx_data *)(core->vmm_data); + vmcs_clear(vmx_info->vmcs_ptr_phys); + vmx_info->state = VMX_UNLAUNCHED; +} + + + static int update_irq_exit_state(struct guest_info * info) { struct vmx_exit_idt_vec_info idt_vec_info; @@ -808,19 +869,22 @@ int v3_vmx_enter(struct guest_info * info) { ret = v3_vmx_resume(&(info->vm_regs), info, &(info->ctrl_regs)); } + + // PrintDebug("VMX Exit: ret=%d\n", ret); if (ret != VMX_SUCCESS) { uint32_t error = 0; - vmcs_read(VMCS_INSTR_ERR, &error); v3_enable_ints(); - PrintError("VMENTRY Error: %d\n", error); + PrintError("VMENTRY Error: %d (launch_ret = %d)\n", error, ret); return -1; } + + // Immediate exit from VM time bookkeeping v3_time_exit_vm(info); @@ -902,6 +966,9 @@ int v3_start_vmx_guest(struct guest_info * info) { } PrintDebug("VMX core %u initialized\n", info->vcpu_id); + + // We'll be paranoid about race conditions here + v3_wait_at_barrier(info); }