X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmx.c;h=e8d32edb296c706730e843e2836d26c894542ad9;hb=1cd3b14a43f9c550a74c25dff43177e55192ceb1;hp=2526f3dea8a5abd226d41a6b0111d2f77c25cff8;hpb=4bdba551de0969275a9b3ea6db8d99c6c25548a3;p=palacios.git diff --git a/palacios/src/palacios/vmx.c b/palacios/src/palacios/vmx.c index 2526f3d..e8d32ed 100644 --- a/palacios/src/palacios/vmx.c +++ b/palacios/src/palacios/vmx.c @@ -199,8 +199,7 @@ static int init_vmcs_bios(struct guest_info * info, struct vmx_data * vmx_state) /********** Setup and VMX Control Fields from MSR ***********/ /* Setup IO map */ - v3_init_vmx_io_map(info); - v3_init_vmx_msr_map(info); + struct v3_msr tmp_msr; @@ -220,11 +219,12 @@ static int init_vmcs_bios(struct guest_info * info, struct vmx_data * vmx_state) vmx_state->pri_proc_ctrls.use_msr_bitmap = 1; vmx_state->pri_proc_ctrls.pause_exit = 1; - vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_A_ADDR, (addr_t)V3_PAddr(info->io_map.arch_data)); + vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_A_ADDR, (addr_t)V3_PAddr(info->vm_info->io_map.arch_data)); vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_B_ADDR, - (addr_t)V3_PAddr(info->io_map.arch_data) + PAGE_SIZE_4KB); + (addr_t)V3_PAddr(info->vm_info->io_map.arch_data) + PAGE_SIZE_4KB); + - vmx_ret |= check_vmcs_write(VMCS_MSR_BITMAP, (addr_t)V3_PAddr(info->msr_map.arch_data)); + vmx_ret |= check_vmcs_write(VMCS_MSR_BITMAP, (addr_t)V3_PAddr(info->vm_info->msr_map.arch_data)); v3_get_msr(VMX_EXIT_CTLS_MSR, &(tmp_msr.hi), &(tmp_msr.lo)); vmx_state->exit_ctrls.value = tmp_msr.lo; @@ -453,12 +453,12 @@ static int update_irq_exit_state(struct guest_info * info) { check_vmcs_read(VMCS_IDT_VECTOR_INFO, &(idt_vec_info.value)); - if ((info->intr_state.irq_started == 1) && (idt_vec_info.valid == 0)) { + if ((info->intr_core_state.irq_started == 1) && (idt_vec_info.valid == 0)) { #ifdef CONFIG_DEBUG_INTERRUPTS PrintDebug("Calling v3_injecting_intr\n"); #endif - info->intr_state.irq_started = 0; - v3_injecting_intr(info, info->intr_state.irq_vector, V3_EXTERNAL_IRQ); + info->intr_core_state.irq_started = 0; + v3_injecting_intr(info, info->intr_core_state.irq_vector, V3_EXTERNAL_IRQ); } return 0; @@ -466,11 +466,11 @@ static int update_irq_exit_state(struct guest_info * info) { static int update_irq_entry_state(struct guest_info * info) { struct vmx_exit_idt_vec_info idt_vec_info; - struct vmcs_interrupt_state intr_state; + struct vmcs_interrupt_state intr_core_state; struct vmx_data * vmx_info = (struct vmx_data *)(info->vmm_data); check_vmcs_read(VMCS_IDT_VECTOR_INFO, &(idt_vec_info.value)); - check_vmcs_read(VMCS_GUEST_INT_STATE, &(intr_state)); + check_vmcs_read(VMCS_GUEST_INT_STATE, &(intr_core_state)); /* Check for pending exceptions to inject */ if (v3_excp_pending(info)) { @@ -501,9 +501,9 @@ static int update_irq_entry_state(struct guest_info * info) { v3_injecting_excp(info, int_info.vector); } else if ((((struct rflags *)&(info->ctrl_regs.rflags))->intr == 1) && - (intr_state.val == 0)) { + (intr_core_state.val == 0)) { - if ((info->intr_state.irq_started == 1) && (idt_vec_info.valid == 1)) { + if ((info->intr_core_state.irq_started == 1) && (idt_vec_info.valid == 1)) { #ifdef CONFIG_DEBUG_INTERRUPTS PrintDebug("IRQ pending from previous injection\n"); @@ -526,21 +526,21 @@ static int update_irq_entry_state(struct guest_info * info) { switch (v3_intr_pending(info)) { case V3_EXTERNAL_IRQ: { - info->intr_state.irq_vector = v3_get_intr(info); - ent_int.vector = info->intr_state.irq_vector; + info->intr_core_state.irq_vector = v3_get_intr(info); + ent_int.vector = info->intr_core_state.irq_vector; ent_int.type = 0; ent_int.error_code = 0; ent_int.valid = 1; #ifdef CONFIG_DEBUG_INTERRUPTS PrintDebug("Injecting Interrupt %d at exit %u(EIP=%p)\n", - info->intr_state.irq_vector, + info->intr_core_state.irq_vector, (uint32_t)info->num_exits, (void *)info->rip); #endif check_vmcs_write(VMCS_ENTRY_INT_INFO, ent_int.value); - info->intr_state.irq_started = 1; + info->intr_core_state.irq_started = 1; break; } @@ -644,19 +644,27 @@ int v3_vmx_enter(struct guest_info * info) { v3_vmx_restore_vmcs(info); -#ifdef CONFIG_SYMBIOTIC - if (info->sym_state.sym_call_active == 0) { +#ifdef CONFIG_SYMCALL + if (info->sym_core_state.symcall_state.sym_call_active == 0) { update_irq_entry_state(info); } #else update_irq_entry_state(info); #endif + { + addr_t guest_cr3; + vmcs_read(VMCS_GUEST_CR3, &guest_cr3); + vmcs_write(VMCS_GUEST_CR3, guest_cr3); + } + // We do timer injection here to track real host time. + rdtscll(tmp_tsc); + v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc); rdtscll(info->time_state.cached_host_tsc); - if (info->run_state == VM_STOPPED) { - info->run_state = VM_RUNNING; + if (info->vm_info->run_state == VM_STOPPED) { + info->vm_info->run_state = VM_RUNNING; ret = v3_vmx_launch(&(info->vm_regs), info, &(info->ctrl_regs)); } else { ret = v3_vmx_resume(&(info->vm_regs), info, &(info->ctrl_regs)); @@ -673,15 +681,17 @@ int v3_vmx_enter(struct guest_info * info) { return -1; } - rdtscll(tmp_tsc); + // rdtscll(tmp_tsc); + // v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc); info->num_exits++; - v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc); /* Update guest state */ v3_vmx_save_vmcs(info); + // info->cpl = info->segments.cs.selector & 0x3; + info->mem_mode = v3_get_vm_mem_mode(info); info->cpu_mode = v3_get_vm_cpu_mode(info); @@ -699,8 +709,8 @@ int v3_vmx_enter(struct guest_info * info) { exit_log[info->num_exits % 10] = exit_info; -#ifdef CONFIG_SYMBIOTIC - if (info->sym_state.sym_call_active == 0) { +#ifdef CONFIG_SYMCALL + if (info->sym_core_state.symcall_state.sym_call_active == 0) { update_irq_exit_state(info); } #else @@ -787,7 +797,7 @@ void v3_init_vmx_cpu(int cpu_id) { uint64_t ret = 0; v3_get_msr(VMX_CR4_FIXED0_MSR,&(tmp_msr.hi),&(tmp_msr.lo)); - +#ifdef __V3_64BIT__ __asm__ __volatile__ ( "movq %%cr4, %%rbx;" "orq $0x00002000, %%rbx;" @@ -816,6 +826,38 @@ void v3_init_vmx_cpu(int cpu_id) { : : "%rbx" ); +#elif __V3_32BIT__ + __asm__ __volatile__ ( + "movq %%cr4, %%ecx;" + "orq $0x00002000, %%ecx;" + "movq %%ecx, %0;" + : "=m"(ret) + : + : "%ecx" + ); + + if ((~ret & tmp_msr.value) == 0) { + __asm__ __volatile__ ( + "movq %0, %%cr4;" + : + : "q"(ret) + ); + } else { + PrintError("Invalid CR4 Settings!\n"); + return; + } + + __asm__ __volatile__ ( + "movq %%cr0, %%ecx; " + "orq $0x00000020,%%ecx; " + "movq %%ecx, %%cr0;" + : + : + : "%ecx" + ); + +#endif + // // Should check and return Error here....