* redistribute, and modify it as specified in the file "V3VEE_LICENSE".
*/
+
#include <palacios/vmm_debug.h>
#include <palacios/vmm.h>
+#include <palacios/vmm_host_events.h>
+#include <palacios/vm_guest.h>
+#include <palacios/vmm_decoder.h>
+#include <palacios/vm_guest_mem.h>
+#include <palacios/vmm_config.h>
+
+#define PRINT_TELEMETRY 1
+#define PRINT_CORE_STATE 2
+#define PRINT_ARCH_STATE 3
+#define PRINT_STACK 4
+#define PRINT_BACKTRACE 5
+
+
+#define PRINT_ALL 100 // Absolutely everything
+#define PRINT_STATE 101 // telemetry, core state, arch state
+
+
+
+
+static int core_handler(struct guest_info * core, uint32_t cmd) {
+
+
+ switch (cmd) {
+#ifdef V3_CONFIG_TELEMETRY
+ case PRINT_TELEMETRY:
+ v3_print_core_telemetry(core);
+ break;
+#endif
+
+ case PRINT_CORE_STATE:
+ v3_raise_barrier(core->vm_info, NULL);
+
+ v3_print_guest_state(core);
+
+ v3_lower_barrier(core->vm_info);
+ break;
+ case PRINT_ARCH_STATE:
+ v3_raise_barrier(core->vm_info, NULL);
+
+ v3_print_arch_state(core);
+
+ v3_lower_barrier(core->vm_info);
+ break;
+ case PRINT_STACK:
+ v3_raise_barrier(core->vm_info, NULL);
+
+ v3_print_stack(core);
+
+ v3_lower_barrier(core->vm_info);
+ break;
+ case PRINT_BACKTRACE:
+ v3_raise_barrier(core->vm_info, NULL);
+
+ v3_print_backtrace(core);
+
+ v3_lower_barrier(core->vm_info);
+ break;
+
+ case PRINT_STATE:
+ v3_raise_barrier(core->vm_info, NULL);
+
+#ifdef V3_CONFIG_TELEMETRY
+ v3_print_core_telemetry(core);
+#endif
+ v3_print_guest_state(core);
+ v3_print_arch_state(core);
+
+ v3_lower_barrier(core->vm_info);
+ break;
+
+ case PRINT_ALL:
+ v3_raise_barrier(core->vm_info, NULL);
+
+#ifdef V3_CONFIG_TELEMETRY
+ v3_print_core_telemetry(core);
+#endif
+ v3_print_guest_state(core);
+ v3_print_arch_state(core);
+ v3_print_stack(core);
+ v3_print_backtrace(core);
+
+ v3_lower_barrier(core->vm_info);
+ break;
+
+ }
+
+ return 0;
+}
+
+
+static int evt_handler(struct v3_vm_info * vm, struct v3_debug_event * evt, void * priv_data) {
+ V3_Print(vm, VCORE_NONE,"Debug Event Handler for core %d cmd=%x\n", evt->core_id, evt->cmd);
-void PrintDebugHex(unsigned char x)
-{
- unsigned char z;
+ if (evt->core_id == -1) {
+ int i = 0;
+ for (i = 0; i < vm->num_cores; i++) {
+ core_handler(&(vm->cores[i]), evt->cmd);
+ }
+ } else {
+ return core_handler(&vm->cores[evt->core_id], evt->cmd);
+ }
+
+
+ return 0;
+}
+
+
+int v3_init_vm_debugging(struct v3_vm_info * vm) {
+ v3_hook_host_event(vm, HOST_DEBUG_EVT,
+ V3_HOST_EVENT_HANDLER(evt_handler),
+ NULL);
+
+
+ return 0;
+}
+
+
+
+
+
+void v3_print_segments(struct v3_segments * segs) {
+ int i = 0;
+ struct v3_segment * seg_ptr;
+
+ seg_ptr=(struct v3_segment *)segs;
- z = (x>>4) & 0xf ;
- PrintDebug("%x", z);
- z = x & 0xf;
- PrintDebug("%x", z);
+ char *seg_names[] = {"CS", "DS" , "ES", "FS", "GS", "SS" , "LDTR", "GDTR", "IDTR", "TR", NULL};
+ V3_Print(VM_NONE, VCORE_NONE, "Segments\n");
+
+ for (i = 0; seg_names[i] != NULL; i++) {
+
+ V3_Print(VM_NONE, VCORE_NONE, "\t%s: selector=0x%x, base=%p, limit=0x%x type=0x%x system=0x%x dpl=0x%x present=0x%x avail=0x%x long_mode=0x%x db=0x%x granularity=0x%x unusable=0x%x\n",
+ seg_names[i],
+ seg_ptr[i].selector,
+ (void *)(addr_t)seg_ptr[i].base,
+ seg_ptr[i].limit,
+ seg_ptr[i].type,
+ seg_ptr[i].system,
+ seg_ptr[i].dpl,
+ seg_ptr[i].present,
+ seg_ptr[i].avail,
+ seg_ptr[i].long_mode,
+ seg_ptr[i].db,
+ seg_ptr[i].granularity,
+ seg_ptr[i].unusable);
+ }
+}
+
+
+
+void v3_print_ctrl_regs(struct guest_info * core) {
+ struct v3_ctrl_regs * regs = &(core->ctrl_regs);
+ int i = 0;
+ v3_reg_t * reg_ptr;
+ char * reg_names[] = {"CR0", "CR2", "CR3", "CR4", "CR8", "FLAGS", "EFER", NULL};
+
+
+ reg_ptr = (v3_reg_t *)regs;
+
+ V3_Print(core->vm_info, core,"Ctrl Regs:\n");
+
+ for (i = 0; reg_names[i] != NULL; i++) {
+ V3_Print(core->vm_info, core, "\t%s=0x%p (at %p)\n", reg_names[i], (void *)(addr_t)reg_ptr[i], &(reg_ptr[i]));
+ }
+
+
+}
+
+#if 0
+static int safe_gva_to_hva(struct guest_info * core, addr_t linear_addr, addr_t * host_addr) {
+ /* select the proper translation based on guest mode */
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core, linear_addr, host_addr) == -1) return -1;
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core, linear_addr, host_addr) == -1) return -1;
+ }
+ return 0;
+}
+
+static int v3_print_disassembly(struct guest_info * core) {
+ int passed_rip = 0;
+ addr_t rip, rip_linear, rip_host;
+
+ /* we don't know where the instructions preceding RIP start, so we just take
+ * a guess and hope the instruction stream synced up with our disassembly
+ * some time before RIP; if it has not we correct RIP at that point
+ */
+
+ /* start disassembly 64 bytes before current RIP, continue 32 bytes after */
+ rip = (addr_t) core->rip - 64;
+ while ((int) (rip - core->rip) < 32) {
+ V3_Print(info->vm_info, info, "disassembly step\n");
+
+ /* always print RIP, even if the instructions before were bad */
+ if (!passed_rip && rip >= core->rip) {
+ if (rip != core->rip) {
+ V3_Print(info->vm_info, info, "***** bad disassembly up to this point *****\n");
+ rip = core->rip;
+ }
+ passed_rip = 1;
+ }
+
+ /* look up host virtual address for this instruction */
+ rip_linear = get_addr_linear(core, rip, &(core->segments.cs));
+ if (safe_gva_to_hva(core, rip_linear, &rip_host) < 0) {
+ rip++;
+ continue;
+ }
+
+ /* print disassembled instrcution (updates rip) */
+ if (v3_disasm(core, (void *) rip_host, &rip, rip == core->rip) < 0) {
+ rip++;
+ continue;
+ }
+
+ }
+
+ return 0;
+}
+
+#endif
+
+void v3_print_guest_state(struct guest_info * core) {
+ addr_t linear_addr = 0;
+
+ V3_Print(core->vm_info, core, "RIP: %p\n", (void *)(addr_t)(core->rip));
+ linear_addr = get_addr_linear(core, core->rip, &(core->segments.cs));
+ V3_Print(core->vm_info, core, "RIP Linear: %p\n", (void *)linear_addr);
+
+ V3_Print(core->vm_info, core, "NumExits: %u\n", (uint32_t)core->num_exits);
+
+ V3_Print(core->vm_info, core, "IRQ STATE: started=%d, pending=%d\n",
+ core->intr_core_state.irq_started,
+ core->intr_core_state.irq_pending);
+ V3_Print(core->vm_info, core, "EXCP STATE: err_code_valid=%d, err_code=%x\n",
+ core->excp_state.excp_error_code_valid,
+ core->excp_state.excp_error_code);
+
+
+ v3_print_segments(&(core->segments));
+ v3_print_ctrl_regs(core);
+
+ if (core->shdw_pg_mode == SHADOW_PAGING) {
+ V3_Print(core->vm_info, core, "Shadow Paging Guest Registers:\n");
+ V3_Print(core->vm_info, core, "\tGuest CR0=%p\n", (void *)(addr_t)(core->shdw_pg_state.guest_cr0));
+ V3_Print(core->vm_info, core, "\tGuest CR3=%p\n", (void *)(addr_t)(core->shdw_pg_state.guest_cr3));
+ V3_Print(core->vm_info, core, "\tGuest EFER=%p\n", (void *)(addr_t)(core->shdw_pg_state.guest_efer.value));
+ // CR4
+ }
+ v3_print_GPRs(core);
+
+ v3_print_idt(core,core->segments.idtr.base);
+ v3_print_gdt(core,core->segments.gdtr.base);
+ v3_print_ldt(core,core->segments.ldtr.base);
+ v3_print_tss(core,core->segments.tr.base);
+
+ v3_print_mem_map(core->vm_info);
+
+ v3_print_stack(core);
+
+ // v3_print_disassembly(core);
+}
+
+
+void v3_print_arch_state(struct guest_info * core) {
+
+
+}
+
+
+void v3_print_guest_state_all(struct v3_vm_info * vm) {
+ int i = 0;
+
+ V3_Print(vm, VCORE_NONE,"VM Core states for %s\n", vm->name);
+
+ for (i = 0; i < 80; i++) {
+ V3_Print(vm, VCORE_NONE, "-");
+ }
+
+ for (i = 0; i < vm->num_cores; i++) {
+ v3_print_guest_state(&vm->cores[i]);
+ }
+
+ for (i = 0; i < 80; i++) {
+ V3_Print(vm, VCORE_NONE, "-");
+ }
+
+ V3_Print(vm, VCORE_NONE, "\n");
+}
+
+
+
+void v3_print_stack(struct guest_info * core) {
+ addr_t linear_addr = 0;
+ addr_t host_addr = 0;
+ int i = 0;
+ v3_cpu_mode_t cpu_mode = v3_get_vm_cpu_mode(core);
+
+ linear_addr = get_addr_linear(core, core->vm_regs.rsp, &(core->segments.ss));
+
+ V3_Print(core->vm_info, core, "Stack at %p:\n", (void *)linear_addr);
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core, linear_addr, &host_addr) == -1) {
+ PrintError(core->vm_info, core, "Could not translate Stack address\n");
+ return;
+ }
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core, linear_addr, &host_addr) == -1) {
+ PrintError(core->vm_info, core, "Could not translate Virtual Stack address\n");
+ return;
+ }
+ }
+
+ V3_Print(core->vm_info, core, "Host Address of rsp = 0x%p\n", (void *)host_addr);
+
+ // We start i at one because the current stack pointer points to an unused stack element
+ for (i = 0; i <= 24; i++) {
+
+ if (cpu_mode == REAL) {
+ V3_Print(core->vm_info, core, "\t0x%.4x\n", *((uint16_t *)host_addr + (i * 2)));
+ } else if (cpu_mode == LONG) {
+ V3_Print(core->vm_info, core, "\t%p\n", (void *)*(addr_t *)(host_addr + (i * 8)));
+ } else {
+ // 32 bit stacks...
+ V3_Print(core->vm_info, core, "\t0x%.8x\n", *(uint32_t *)(host_addr + (i * 4)));
+ }
+ }
+
+}
+
+
+void v3_print_backtrace(struct guest_info * core) {
+ addr_t gla_rbp = 0;
+ int i = 0;
+ v3_cpu_mode_t cpu_mode = v3_get_vm_cpu_mode(core);
+ struct v3_cfg_file * system_map = v3_cfg_get_file(core->vm_info, "System.map");
+
+ V3_Print(core->vm_info, core, "Performing Backtrace for Core %d\n", core->vcpu_id);
+ V3_Print(core->vm_info, core, "\tRSP=%p, RBP=%p\n", (void *)core->vm_regs.rsp, (void *)core->vm_regs.rbp);
+
+ gla_rbp = get_addr_linear(core, core->vm_regs.rbp, &(core->segments.ss));
+
+
+ for (i = 0; i < 30; i++) {
+ addr_t hva_rbp = 0;
+ addr_t hva_rip = 0;
+ char * sym_name = NULL;
+ addr_t rip_val = 0;
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core, gla_rbp, &hva_rbp) == -1) {
+ PrintError(core->vm_info, core, "Could not translate Stack address\n");
+ return;
+ }
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core, gla_rbp, &hva_rbp) == -1) {
+ PrintError(core->vm_info, core, "Could not translate Virtual Stack address\n");
+ return;
+ }
+ }
+
+
+ hva_rip = hva_rbp + v3_get_addr_width(core);
+
+ if (cpu_mode == REAL) {
+ rip_val = (addr_t)*(uint16_t *)hva_rip;
+ } else if (cpu_mode == LONG) {
+ rip_val = (addr_t)*(uint64_t *)hva_rip;
+ } else {
+ rip_val = (addr_t)*(uint32_t *)hva_rip;
+ }
+
+ if (system_map) {
+ char * tmp_ptr = system_map->data;
+ char * sym_ptr = NULL;
+ uint64_t file_offset = 0;
+ uint64_t sym_offset = 0;
+
+ while (file_offset < system_map->size) {
+ sym_offset = strtox(tmp_ptr, &tmp_ptr);
+
+ tmp_ptr += 3; // pass over symbol type
+
+ if (sym_offset > rip_val) {
+ if (sym_ptr) {
+ char * end_ptr = strchr(sym_ptr, '\n');
+
+ if (end_ptr) {
+ *end_ptr = 0; // null terminate symbol...
+ }
+ sym_name = sym_ptr;
+ } else {
+ sym_name = NULL;
+ }
+ break;
+ }
+
+ sym_ptr = tmp_ptr;
+
+ {
+ char * end_ptr2 = strchr(tmp_ptr, '\n');
+
+ if (!end_ptr2) {
+ tmp_ptr += strlen(tmp_ptr) + 1;
+ } else {
+ tmp_ptr = end_ptr2 + 1;
+ }
+ }
+ }
+ }
+
+ if (!sym_name) {
+ sym_name = "?";
+ }
+
+ if (cpu_mode == REAL) {
+ V3_Print(core->vm_info, core, "Next RBP=0x%.4x, RIP=0x%.4x (%s)\n",
+ *(uint16_t *)hva_rbp,*(uint16_t *)hva_rip,
+ sym_name);
+
+ gla_rbp = *(uint16_t *)hva_rbp;
+ } else if (cpu_mode == LONG) {
+ V3_Print(core->vm_info, core, "Next RBP=%p, RIP=%p (%s)\n",
+ (void *)*(uint64_t *)hva_rbp, (void *)*(uint64_t *)hva_rip,
+ sym_name);
+ gla_rbp = *(uint64_t *)hva_rbp;
+ } else {
+ V3_Print(core->vm_info, core, "Next RBP=0x%.8x, RIP=0x%.8x (%s)\n",
+ *(uint32_t *)hva_rbp, *(uint32_t *)hva_rip,
+ sym_name);
+ gla_rbp = *(uint32_t *)hva_rbp;
+ }
+
+ }
+}
+
+
+#ifdef __V3_32BIT__
+
+void v3_print_GPRs(struct guest_info * core) {
+ struct v3_gprs * regs = &(core->vm_regs);
+ int i = 0;
+ v3_reg_t * reg_ptr;
+ char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", NULL};
+
+ reg_ptr = (v3_reg_t *)regs;
+
+ V3_Print(info->vm_info, info, "32 bit GPRs:\n");
+
+ for (i = 0; reg_names[i] != NULL; i++) {
+ V3_Print(info->vm_info, info, "\t%s=0x%p (at %p)\n", reg_names[i], (void *)(addr_t)reg_ptr[i], &(reg_ptr[i]));
+ }
+}
+
+void v3_print_idt(struct guest_info * core, addr_t idtr_base) {
+ addr_t base_hva;
+
+ if (v3_get_vm_cpu_mode(core)!=LONG) {
+ V3_Print(core->vm_info, core, "= IDT ========\n");
+ V3_Print(core->vm_info, core, "(currently only supported in long mode)\n");
+ return;
+ }
+
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core,
+ get_addr_linear(core, idtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ PrintError(core->vm_info, core, "Kind of weird that we got here.... physical mem?\n");
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core,
+ get_addr_linear(core, idtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ }
+
+ // SANITY CHECK
+ if (idtr_base != get_addr_linear(core, idtr_base, &(core->segments.cs))) {
+ PrintError(core->vm_info, core, "idtr base address != linear translation, might be something funky with cs\n");
+ }
+
+ if (!base_hva) {
+ PrintError(core->vm_info, core "idtr address does not translate! skipping.\n");
+ return ;
+ }
+
+ int i;
+ char *types[16] = {" ILGL","aTSS16"," LDT","bTSS16","call16"," task","intr16","trap16",
+ " ILGL","aTSS32"," ILGL","bTSS32","call32"," ILGL","intr32","trap32"};
+
+ struct int_trap_gate_lgcy * entry;
+ entry = (struct int_trap_gate_lgcy *)base_hva;
+ V3_Print(core->vm_info, core, "= IDT ========\n");
+ V3_Print(core->vm_info, core, " # | hex | selector | si:ti:rpl | offset | type | dpl | s | p\n");
+ for (i = 0; i < NUM_IDT_ENTRIES; i++) {
+ uint32_t tmp = entry->selector;
+ struct segment_selector * seg = (struct segment_selector *)(&tmp);
+ V3_Print(core->vm_info, core, "%3d | %3x | %04x | %03x:%x:%x | %04x%04x | %s | %x | %x | %x | %x\n", i, i,
+ entry->selector,
+ seg->index, seg->ti, seg->rpl,
+ entry->offset_hi, entry->offset_lo,
+ types[entry->type], entry->dpl, entry->s, entry->p);
+ entry++;
+ }
+}
+
+void v3_print_gdt(struct guest_info * core, addr_t gdtr_base) {
+ addr_t base_hva;
+
+ if (v3_get_vm_cpu_mode(core)!=LONG) {
+ V3_Print(core->vm_info, core, "= GDT ========\n");
+ V3_Print(core->vm_info, core, "(currently only supported in long mode)\n");
+ return;
+ }
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core,
+ get_addr_linear(core, gdtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ PrintError(core->vm_info, core, "Kind of weird that we got here.... physical mem?\n");
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core,
+ get_addr_linear(core, gdtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ }
+
+ // SANITY CHECK
+ if (gdtr_base != get_addr_linear(core, gdtr_base, &(core->segments.cs))) {
+ PrintError(core->vm_info, core, "gdtr base address != linear translation, might be something funky with cs\n");
+ }
+
+ if (!base_hva) {
+ PrintError(core->vm_info, core "gdtr address does not translate! skipping.\n");
+ return ;
+ }
+
+ int i;
+ char* cd[2] = {"data","code"};
+ // TODO: handle possibility of gate/segment descriptor
+
+ struct code_desc_lgcy * entry;
+ entry = (struct code_desc_long *)base_hva;
+ V3_Print(core->vm_info, core, "= GDT ========\n");
+ V3_Print(core->vm_info, core, " # | hex | limit | base | c/d | dpl | p\n");
+ for (i = 0; i < NUM_GDT_ENTRIES; i++) {
+ V3_Print(core->vm_info, core, "%3d | %3x | %x%04x | %02x%02x%04x | %s | %x | %x\n", i, i,
+ entry->limit_hi, entry->limit_lo,
+ entry->base_hi, entry->base_mid, entry->base_lo,
+ cd[entry->one1], entry->dpl, entry->p);
+ entry++;
+ }
+}
+
+void v3_print_gp_error(struct guest_info * core, addr_t exit_info1) {
+ struct selector_error_code * error = (struct selector_error_code *)(&exit_info1);
+
+ V3_Print(core->vm_info, core, " selector index: %x, TI: %x, IDT: %x, EXT: %x (error=%llx)\n",
+ error->index, error->ti, error->idt, error->ext,
+ (unsigned long long)exit_info1);
+}
+
+#elif __V3_64BIT__
+
+void v3_print_GPRs(struct guest_info * core) {
+ struct v3_gprs * regs = &(core->vm_regs);
+ int i = 0;
+ v3_reg_t * reg_ptr;
+ char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", \
+ "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", NULL};
+
+ reg_ptr = (v3_reg_t *)regs;
+
+ V3_Print(core->vm_info, core, "64 bit GPRs:\n");
+
+ for (i = 0; reg_names[i] != NULL; i++) {
+ V3_Print(core->vm_info, core, "\t%s=0x%p (at %p)\n", reg_names[i], (void *)(addr_t)reg_ptr[i], &(reg_ptr[i]));
+ }
}
-void PrintDebugMemDump(unsigned char *start, int n)
-{
- int i, j;
+void v3_print_idt(struct guest_info * core, addr_t idtr_base) {
+ addr_t base_hva;
- for (i=0;i<n;i+=16) {
- PrintDebug("%8x", (unsigned)(start+i));
- for (j=i; j<i+16 && j<n; j+=2) {
- PrintDebug(" ");
- PrintDebugHex(*((unsigned char *)(start+j)));
- if ((j+1)<n) {
- PrintDebugHex(*((unsigned char *)(start+j+1)));
- }
+ if (v3_get_vm_cpu_mode(core)!=LONG) {
+ V3_Print(core->vm_info, core, "= IDT ========\n");
+ V3_Print(core->vm_info, core, "(currently only supported in long mode)\n");
+ return;
}
- PrintDebug(" ");
- for (j=i; j<i+16 && j<n;j++) {
- PrintDebug("%c", ((start[j]>=32) && (start[j]<=126)) ? start[j] : '.');
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core,
+ get_addr_linear(core, idtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core,
+ get_addr_linear(core, idtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ }
+
+ // SANITY CHECK
+ if (idtr_base != get_addr_linear(core, idtr_base, &(core->segments.cs))) {
+ PrintError(core->vm_info, core, "idtr base address != linear translation, might be something funky with cs\n");
+ }
+
+ if (!base_hva) {
+ PrintError(core->vm_info, core, "idtr address does not translate! skipping.\n");
+ return ;
+ }
+
+ int i;
+ char *types[16] = {"ILGL","ILGL"," LDT","ILGL","ILGL","ILGL","ILGL","ILGL","ILGL",
+ "aTSS","ILGL","bTSS","call","ILGL","intr","trap"};
+
+ struct int_trap_gate_long * entry;
+ entry = (struct int_trap_gate_long *)base_hva;
+ V3_Print(core->vm_info, core, "= IDT ========\n");
+ V3_Print(core->vm_info, core, " # | hex | selector | si:ti:rpl | offset | type | dpl | s | r | p\n");
+ for (i = 0; i < NUM_IDT_ENTRIES; i++) {
+ uint32_t tmp = entry->selector;
+ struct segment_selector * seg = (struct segment_selector *)(&tmp);
+ V3_Print(core->vm_info, core, "%3d | %3x | %04x | %03x:%x:%x | %08x%04x%04x | %s | %x | %x | %x | %x\n", i, i,
+ entry->selector,
+ seg->index, seg->ti, seg->rpl,
+ entry->offset_hi, entry->offset_mid, entry->offset_lo,
+ types[entry->type], entry->dpl, entry->s,
+ entry->s, entry->p);
+ entry++;
}
- PrintDebug("\n");
- }
}
+
+void v3_print_gdt(struct guest_info * core, addr_t gdtr_base) {
+ addr_t base_hva;
+
+ if (v3_get_vm_cpu_mode(core)!=LONG) {
+ V3_Print(core->vm_info, core, "= GDT ========\n");
+ V3_Print(core->vm_info, core, "(currently only supported in long mode)\n");
+ return;
+ }
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core,
+ get_addr_linear(core, gdtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core,
+ get_addr_linear(core, gdtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ }
+
+ // SANITY CHECK
+ if (gdtr_base != get_addr_linear(core, gdtr_base, &(core->segments.cs))) {
+ PrintError(core->vm_info, core, "gdtr base address != linear translation, might be something funky with cs\n");
+ }
+
+ if (!base_hva) {
+ PrintError(core->vm_info, core, "gdtr address does not translate! skipping.\n");
+ return ;
+ }
+
+ int i;
+ char* cd[2] = {"data","code"};
+ // TODO: handle possibility of gate/segment descriptor
+
+ struct code_desc_long * entry;
+ entry = (struct code_desc_long *)base_hva;
+ V3_Print(core->vm_info, core, "= GDT ========\n");
+ V3_Print(core->vm_info, core, " # | hex | limit | base | c/d | dpl | p\n");
+ for (i = 0; i < NUM_GDT_ENTRIES; i++) {
+ V3_Print(core->vm_info, core, "%3d | %3x | %x%04x | %02x%02x%04x | %s | %x | %x\n", i, i,
+ entry->limit_hi, entry->limit_lo,
+ entry->base_hi, entry->base_mid, entry->base_lo,
+ cd[entry->one1], entry->dpl, entry->p);
+ entry++;
+ }
+}
+
+void v3_print_ldt(struct guest_info * core, addr_t ldtr_base) {
+ addr_t base_hva;
+
+ if (v3_get_vm_cpu_mode(core)!=LONG) {
+ V3_Print(core->vm_info, core, "= LDT ========\n");
+ V3_Print(core->vm_info, core, "(currently only supported in long mode)\n");
+ return;
+ }
+
+ V3_Print(core->vm_info, core, "= LDT ========\n");
+
+ if (ldtr_base == 0) {
+ V3_Print(core->vm_info, core, " (no LDT is installed)\n");
+ return;
+ }
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core,
+ get_addr_linear(core, ldtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core,
+ get_addr_linear(core, ldtr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ }
+
+ // SANITY CHECK
+ if (ldtr_base != get_addr_linear(core, ldtr_base, &(core->segments.cs))) {
+ PrintError(core->vm_info, core, "ldtr base address != linear translation, might be something funky with cs\n");
+ }
+
+ if (!base_hva) {
+ PrintError(core->vm_info, core, "ldtr address does not translate! skipping.\n");
+ return ;
+ }
+
+ int i;
+ char* cd[2] = {"data","code"};
+ // TODO: handle possibility of gate/segment descriptor
+
+ struct code_desc_long * entry;
+ entry = (struct code_desc_long *)base_hva;
+ V3_Print(core->vm_info, core, " # | hex | limit | base | c/d | dpl | p\n");
+ for (i = 0; i < NUM_LDT_ENTRIES; i++) {
+ V3_Print(core->vm_info, core, "%3d | %3x | %x%04x | %02x%02x%04x | %s | %x | %x\n", i, i,
+ entry->limit_hi, entry->limit_lo,
+ entry->base_hi, entry->base_mid, entry->base_lo,
+ cd[entry->one1], entry->dpl, entry->p);
+ entry++;
+ }
+}
+
+void v3_print_tss(struct guest_info * core, addr_t tr_base) {
+ addr_t base_hva;
+ struct tss_long *t;
+
+ if (v3_get_vm_cpu_mode(core)!=LONG) {
+ V3_Print(core->vm_info, core, "= TSS ========\n");
+ V3_Print(core->vm_info, core, "(currently only supported in long mode)\n");
+ return;
+ }
+
+ V3_Print(core->vm_info, core, "= TSS ========\n");
+
+ if (tr_base == 0) {
+ V3_Print(core->vm_info, core, " (no TSS is installed)\n");
+ return;
+ }
+
+ if (core->mem_mode == PHYSICAL_MEM) {
+ if (v3_gpa_to_hva(core,
+ get_addr_linear(core, tr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ } else if (core->mem_mode == VIRTUAL_MEM) {
+ if (v3_gva_to_hva(core,
+ get_addr_linear(core, tr_base, &(core->segments.cs)),
+ &base_hva)) {
+ PrintError(core->vm_info, core, "Cannot translate address\n");
+ return;
+ }
+ }
+
+ // SANITY CHECK
+ if (tr_base != get_addr_linear(core, tr_base, &(core->segments.cs))) {
+ PrintError(core->vm_info, core, "tr base address != linear translation, might be something funky with cs\n");
+ }
+
+ if (!base_hva) {
+ PrintError(core->vm_info, core, "tr address does not translate! skipping.\n");
+ return ;
+ }
+
+ t=(struct tss_long*)base_hva;
+
+ V3_Print(core->vm_info, core," res1 : 0x%llx\n", (uint64_t) t->res1);
+ V3_Print(core->vm_info, core," rsp0 : 0x%llx\n", t->rsp0);
+ V3_Print(core->vm_info, core," rsp1 : 0x%llx\n", t->rsp1);
+ V3_Print(core->vm_info, core," rsp2 : 0x%llx\n", t->rsp2);
+ V3_Print(core->vm_info, core," res2 : 0x%llx\n", t->res2);
+ V3_Print(core->vm_info, core," ist1 : 0x%llx\n", t->ist1);
+ V3_Print(core->vm_info, core," ist2 : 0x%llx\n", t->ist2);
+ V3_Print(core->vm_info, core," ist3 : 0x%llx\n", t->ist3);
+ V3_Print(core->vm_info, core," ist4 : 0x%llx\n", t->ist4);
+ V3_Print(core->vm_info, core," ist5 : 0x%llx\n", t->ist5);
+ V3_Print(core->vm_info, core," ist6 : 0x%llx\n", t->ist6);
+ V3_Print(core->vm_info, core," ist7 : 0x%llx\n", t->ist7);
+ V3_Print(core->vm_info, core," res3 : 0x%llx\n", t->res3);
+ V3_Print(core->vm_info, core," res4 : 0x%llx\n", (uint64_t) t->res4);
+ V3_Print(core->vm_info, core," iomap_base : 0x%llx\n", (uint64_t) t->iomap_base);
+ V3_Print(core->vm_info, core," (following io permission bitmap not currently printed)\n");
+
+}
+
+void v3_print_gp_error(struct guest_info * core, addr_t exit_info1) {
+ struct selector_error_code * error = (struct selector_error_code *)(&exit_info1);
+
+ if (v3_get_vm_cpu_mode(core)!=LONG) {
+ V3_Print(core->vm_info, core, "= IDT ========\n");
+ V3_Print(core->vm_info, core, "(currently only supported in long mode)\n");
+ return;
+ }
+
+ V3_Print(core->vm_info, core, " selector index: %x, TI: %x, IDT: %x, EXT: %x (error=%llx)\n",
+ error->index, error->ti, error->idt, error->ext,
+ (unsigned long long)exit_info1);
+}
+
+#endif
