X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvm_guest.c;h=72f980cbdddf8b21de0acbd133932b45354d271b;hb=c30d1b88a60c3a8df426ce81553675bbe4afef52;hp=95b109ff11d1e133067a8e182be78ff4b28b0b35;hpb=29b7ff8811c82ab543f5c969e44ff217637a09c7;p=palacios.git diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c index 95b109f..72f980c 100644 --- a/palacios/src/palacios/vm_guest.c +++ b/palacios/src/palacios/vm_guest.c @@ -28,8 +28,9 @@ #include #include #include -#include #include +#include +#include v3_cpu_mode_t v3_get_vm_cpu_mode(struct guest_info * info) { @@ -250,14 +251,14 @@ void v3_print_ctrl_regs(struct guest_info * info) { V3_Print("32 bit Ctrl Regs:\n"); for (i = 0; reg_names[i] != NULL; i++) { - V3_Print("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); + V3_Print("\t%s=0x%p (at %p)\n", reg_names[i], (void *)(addr_t)reg_ptr[i], &(reg_ptr[i])); } V3_Print("\tEFER=0x%p\n", (void*)(addr_t)(guest_state->efer)); } - +#if 0 static int safe_gva_to_hva(struct guest_info * info, addr_t linear_addr, addr_t * host_addr) { /* select the proper translation based on guest mode */ if (info->mem_mode == PHYSICAL_MEM) { @@ -280,6 +281,8 @@ static int v3_print_disassembly(struct guest_info * info) { /* start disassembly 64 bytes before current RIP, continue 32 bytes after */ rip = (addr_t) info->rip - 64; while ((int) (rip - info->rip) < 32) { + V3_Print("disassembly step\n"); + /* always print RIP, even if the instructions before were bad */ if (!passed_rip && rip >= info->rip) { if (rip != info->rip) { @@ -301,11 +304,13 @@ static int v3_print_disassembly(struct guest_info * info) { rip++; continue; } + } return 0; } +#endif void v3_print_guest_state(struct guest_info * info) { addr_t linear_addr = 0; @@ -316,6 +321,14 @@ void v3_print_guest_state(struct guest_info * info) { V3_Print("NumExits: %u\n", (uint32_t)info->num_exits); + V3_Print("IRQ STATE: started=%d, pending=%d\n", + info->intr_core_state.irq_started, + info->intr_core_state.irq_pending); + V3_Print("EXCP STATE: err_code_valid=%d, err_code=%x\n", + info->excp_state.excp_error_code_valid, + info->excp_state.excp_error_code); + + v3_print_segments(&(info->segments)); v3_print_ctrl_regs(info); @@ -332,8 +345,62 @@ void v3_print_guest_state(struct guest_info * info) { v3_print_stack(info); - v3_print_disassembly(info); + // v3_print_disassembly(info); +} + +void v3_print_guest_state_all(struct v3_vm_info * vm) { + int i = 0; + + V3_Print("VM Core states for %s\n", vm->name); + + for (i = 0; i < 80; i++) { + V3_Print("-"); + } + + for (i = 0; i < vm->num_cores; i++) { + v3_print_guest_state(&vm->cores[i]); + } + + for (i = 0; i < 80; i++) { + V3_Print("-"); + } + + V3_Print("\n"); +} + +static void print_real_mode_stack(struct guest_info *info) +{ + uint16_t ss; + uint16_t sp; + addr_t addr; + addr_t host_addr; + int i; + + + ss = info->segments.ss.selector & 0xffff; + sp = info->vm_regs.rsp & 0xffff; + addr = (((uint32_t)ss)<<4) + sp; + + + V3_Print("Real Mode Stack starting at 0x%x:0x%x (0x%p):\n",ss,sp,(void*)addr); + + if (info->mem_mode!=PHYSICAL_MEM) { + PrintError("Cannot print real mode stack when virtual memory active\n"); + return; + } + + for (i=0;i<=24;i++,sp+=2) { + // note that it's correct for this to wrap around + addr = (((uint32_t)ss)<<4) + sp; + if (v3_gpa_to_hva(info,addr,&host_addr)) { + PrintError("Could not translate physical stack address 0x%p\n",(void*)addr); + return; + } + V3_Print("\t0x%.4x\n",*((uint16_t*)host_addr)); + } } + + void v3_print_stack(struct guest_info * info) { @@ -343,9 +410,16 @@ void v3_print_stack(struct guest_info * info) { v3_cpu_mode_t cpu_mode = v3_get_vm_cpu_mode(info); + if (cpu_mode==REAL) { + print_real_mode_stack(info); + return; + } + + // protected mode, 32 or 64 bit + linear_addr = get_addr_linear(info, info->vm_regs.rsp, &(info->segments.ss)); - V3_Print("Stack at %p:\n", (void *)linear_addr); + V3_Print("Stack at %p:\n", (void *)linear_addr); if (info->mem_mode == PHYSICAL_MEM) { if (v3_gpa_to_hva(info, linear_addr, &host_addr) == -1) { @@ -365,8 +439,6 @@ void v3_print_stack(struct guest_info * info) { for (i = 0; i <= 24; i++) { if (cpu_mode == LONG) { V3_Print("\t%p\n", (void *)*(addr_t *)(host_addr + (i * 8))); - } else if (cpu_mode == REAL) { - V3_Print("Don't currently handle 16 bit stacks... \n"); } else { // 32 bit stacks... V3_Print("\t%.8x\n", *(uint32_t *)(host_addr + (i * 4))); @@ -388,7 +460,7 @@ void v3_print_GPRs(struct guest_info * info) { V3_Print("32 bit GPRs:\n"); for (i = 0; reg_names[i] != NULL; i++) { - V3_Print("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); + V3_Print("\t%s=0x%p (at %p)\n", reg_names[i], (void *)(addr_t)reg_ptr[i], &(reg_ptr[i])); } } @@ -406,7 +478,7 @@ void v3_print_GPRs(struct guest_info * info) { V3_Print("64 bit GPRs:\n"); for (i = 0; reg_names[i] != NULL; i++) { - V3_Print("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]); + V3_Print("\t%s=0x%p (at %p)\n", reg_names[i], (void *)(addr_t)reg_ptr[i], &(reg_ptr[i])); } } @@ -423,14 +495,14 @@ static int info_hcall(struct guest_info * core, uint_t hcall_id, void * priv_dat v3_print_guest_state(core); // init SVM/VMX -#ifdef CONFIG_SVM +#ifdef V3_CONFIG_SVM if ((cpu_type == V3_SVM_CPU) || (cpu_type == V3_SVM_REV3_CPU)) { cpu_valid = 1; PrintDebugVMCB((vmcb_t *)(core->vmm_data)); } #endif -#ifdef CONFIG_VMX - if ((cpu_type == V3_VMX_CPU) || (cpu_type == V3_VMX_EPT_CPU)) { +#ifdef V3_CONFIG_VMX + if ((cpu_type == V3_VMX_CPU) || (cpu_type == V3_VMX_EPT_CPU) || (cpu_type == V3_VMX_EPT_UG_CPU)) { cpu_valid = 1; v3_print_vmcs(); } @@ -445,13 +517,13 @@ static int info_hcall(struct guest_info * core, uint_t hcall_id, void * priv_dat } -#ifdef CONFIG_SVM +#ifdef V3_CONFIG_SVM #include #include #include #endif -#ifdef CONFIG_VMX +#ifdef V3_CONFIG_VMX #include #include #include @@ -460,13 +532,10 @@ static int info_hcall(struct guest_info * core, uint_t hcall_id, void * priv_dat int v3_init_vm(struct v3_vm_info * vm) { v3_cpu_arch_t cpu_type = v3_get_cpu_type(V3_Get_CPU()); - int cpu_valid = 0; - if (v3_get_foreground_vm() == NULL) { - v3_set_foreground_vm(vm); - } -#ifdef CONFIG_TELEMETRY + +#ifdef V3_CONFIG_TELEMETRY v3_init_telemetry(vm); #endif @@ -476,6 +545,9 @@ int v3_init_vm(struct v3_vm_info * vm) { v3_init_cpuid_map(vm); v3_init_host_events(vm); v3_init_intr_routers(vm); + v3_init_ext_manager(vm); + + v3_init_barrier(vm); // Initialize the memory map if (v3_init_mem_map(vm) == -1) { @@ -491,8 +563,10 @@ int v3_init_vm(struct v3_vm_info * vm) { } + v3_init_time_vm(vm); + -#ifdef CONFIG_SYMBIOTIC +#ifdef V3_CONFIG_SYMBIOTIC v3_init_symbiotic_vm(vm); #endif @@ -500,23 +574,25 @@ int v3_init_vm(struct v3_vm_info * vm) { // init SVM/VMX -#ifdef CONFIG_SVM - if ((cpu_type == V3_SVM_CPU) || (cpu_type == V3_SVM_REV3_CPU)) { - v3_init_svm_io_map(vm); - v3_init_svm_msr_map(vm); - cpu_valid = 1; - } + switch (cpu_type) { +#ifdef V3_CONFIG_SVM + case V3_SVM_CPU: + case V3_SVM_REV3_CPU: + v3_init_svm_io_map(vm); + v3_init_svm_msr_map(vm); + break; #endif -#ifdef CONFIG_VMX - if ((cpu_type == V3_VMX_CPU) || (cpu_type == V3_VMX_EPT_CPU)) { - v3_init_vmx_io_map(vm); - v3_init_vmx_msr_map(vm); - cpu_valid = 1; - } +#ifdef V3_CONFIG_VMX + case V3_VMX_CPU: + case V3_VMX_EPT_CPU: + case V3_VMX_EPT_UG_CPU: + v3_init_vmx_io_map(vm); + v3_init_vmx_msr_map(vm); + break; #endif - if (!cpu_valid) { - PrintError("Invalid CPU Type 0x%x\n", cpu_type); - return -1; + default: + PrintError("Invalid CPU Type 0x%x\n", cpu_type); + return -1; } v3_register_hypercall(vm, GUEST_INFO_HCALL, info_hcall, NULL); @@ -526,14 +602,78 @@ int v3_init_vm(struct v3_vm_info * vm) { return 0; } + +int v3_free_vm_internal(struct v3_vm_info * vm) { + v3_cpu_arch_t cpu_type = v3_get_cpu_type(V3_Get_CPU()); + + v3_remove_hypercall(vm, GUEST_INFO_HCALL); + + + +#ifdef V3_CONFIG_SYMBIOTIC + v3_deinit_symbiotic_vm(vm); +#endif + + // init SVM/VMX + switch (cpu_type) { +#ifdef V3_CONFIG_SVM + case V3_SVM_CPU: + case V3_SVM_REV3_CPU: + v3_deinit_svm_io_map(vm); + v3_deinit_svm_msr_map(vm); + break; +#endif +#ifdef V3_CONFIG_VMX + case V3_VMX_CPU: + case V3_VMX_EPT_CPU: + case V3_VMX_EPT_UG_CPU: + v3_deinit_vmx_io_map(vm); + v3_deinit_vmx_msr_map(vm); + break; +#endif + default: + PrintError("Invalid CPU Type 0x%x\n", cpu_type); + return -1; + } + + v3_deinit_dev_mgr(vm); + + v3_deinit_time_vm(vm); + + v3_deinit_mem_hooks(vm); + v3_delete_mem_map(vm); + v3_deinit_shdw_impl(vm); + + v3_deinit_intr_routers(vm); + v3_deinit_host_events(vm); + + v3_deinit_barrier(vm); + + v3_deinit_cpuid_map(vm); + v3_deinit_msr_map(vm); + v3_deinit_io_map(vm); + v3_deinit_hypercall_map(vm); + +#ifdef V3_CONFIG_TELEMETRY + v3_deinit_telemetry(vm); +#endif + + + + return 0; +} + + int v3_init_core(struct guest_info * core) { v3_cpu_arch_t cpu_type = v3_get_cpu_type(V3_Get_CPU()); struct v3_vm_info * vm = core->vm_info; + + /* * Initialize the subsystem data strutures */ -#ifdef CONFIG_TELEMETRY +#ifdef V3_CONFIG_TELEMETRY v3_init_core_telemetry(core); #endif @@ -541,14 +681,14 @@ int v3_init_core(struct guest_info * core) { v3_init_shdw_pg_state(core); } - v3_init_time(core); + v3_init_time_core(core); v3_init_intr_controllers(core); v3_init_exception_state(core); v3_init_decoder(core); -#ifdef CONFIG_SYMBIOTIC +#ifdef V3_CONFIG_SYMBIOTIC v3_init_symbiotic_core(core); #endif @@ -556,7 +696,7 @@ int v3_init_core(struct guest_info * core) { switch (cpu_type) { -#ifdef CONFIG_SVM +#ifdef V3_CONFIG_SVM case V3_SVM_CPU: case V3_SVM_REV3_CPU: if (v3_init_svm_vmcb(core, vm->vm_class) == -1) { @@ -565,9 +705,10 @@ int v3_init_core(struct guest_info * core) { } break; #endif -#ifdef CONFIG_VMX +#ifdef V3_CONFIG_VMX case V3_VMX_CPU: case V3_VMX_EPT_CPU: + case V3_VMX_EPT_UG_CPU: if (v3_init_vmx_vmcs(core, vm->vm_class) == -1) { PrintError("Error in VMX initialization\n"); return -1; @@ -587,8 +728,28 @@ int v3_init_core(struct guest_info * core) { int v3_free_core(struct guest_info * core) { v3_cpu_arch_t cpu_type = v3_get_cpu_type(V3_Get_CPU()); + +#ifdef V3_CONFIG_SYMBIOTIC + v3_deinit_symbiotic_core(core); +#endif + + v3_deinit_decoder(core); + + v3_deinit_intr_controllers(core); + v3_deinit_time_core(core); + + if (core->shdw_pg_mode == SHADOW_PAGING) { + v3_deinit_shdw_pg_state(core); + } + + v3_free_passthrough_pts(core); + +#ifdef V3_CONFIG_TELEMETRY + v3_deinit_core_telemetry(core); +#endif + switch (cpu_type) { -#ifdef CONFIG_SVM +#ifdef V3_CONFIG_SVM case V3_SVM_CPU: case V3_SVM_REV3_CPU: if (v3_deinit_svm_vmcb(core) == -1) { @@ -597,9 +758,10 @@ int v3_free_core(struct guest_info * core) { } break; #endif -#ifdef CONFIG_VMX +#ifdef V3_CONFIG_VMX case V3_VMX_CPU: case V3_VMX_EPT_CPU: + case V3_VMX_EPT_UG_CPU: if (v3_deinit_vmx_vmcs(core) == -1) { PrintError("Error in VMX initialization\n"); return -1; @@ -616,8 +778,3 @@ int v3_free_core(struct guest_info * core) { -int v3_free_vm_internal(struct v3_vm_info * vm) { - - - return 0; -}