#include #include #include #include #include #include extern struct vmm_os_hooks * os_hooks; int handle_svm_exit(struct guest_info * info) { vmcb_ctrl_t * guest_ctrl = 0; vmcb_saved_state_t * guest_state = 0; ulong_t exit_code = 0; guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data)); guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data)); // Update the high level state info->rip = guest_state->rip; info->vm_regs.rsp = guest_state->rsp; info->vm_regs.rax = guest_state->rax; info->vm_regs.rsp = guest_state->rsp; PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data); PrintDebug("RIP: %x\n", guest_state->rip); exit_code = guest_ctrl->exit_code; // PrintDebugVMCB((vmcb_t*)(info->vmm_data)); PrintDebug("SVM Returned: Exit Code: %x\n",exit_code); PrintDebug("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1)); PrintDebug("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4)); PrintDebug("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2)); PrintDebug("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4)); if (exit_code == VMEXIT_IOIO) { struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1); if (io_info->type == 0) { if (io_info->str) { handle_svm_io_outs(info); } else { handle_svm_io_out(info); } } else { if (io_info->str) { handle_svm_io_ins(info); } else { handle_svm_io_in(info); } } } else if (exit_code == VMEXIT_CR0_WRITE) { PrintDebug("CR0 Write\n"); if (handle_cr0_write(info) == -1) { return -1; } /* } else if (( (exit_code == VMEXIT_CR3_READ) || (exit_code == VMEXIT_CR3_WRITE) || (exit_code == VMEXIT_INVLPG) || (exit_code == VMEXIT_INVLPGA) || (exit_code == VMEXIT_EXCP14)) && (info->page_mode == SHADOW_PAGING)) { handle_shadow_paging(info); */ } else { addr_t rip_addr = get_addr_linear(info, guest_state->rip, guest_state->cs.selector); char buf[15]; addr_t host_addr; if (guest_pa_to_host_pa(info, guest_state->rip, &host_addr) == -1) { PrintDebug("Could not translate guest_state->rip to host address\n"); return -1; } PrintDebug("Host Address of rip = 0x%x\n", host_addr); memset(buf, 0, 15); PrintDebug("Reading from 0x%x in guest\n", rip_addr); read_guest_pa_memory(info, rip_addr, 15, buf); PrintTraceMemDump(buf, 15); } // Update the low level state guest_state->rax = info->vm_regs.rax; guest_state->rip = info->rip; guest_state->rsp = info->vm_regs.rsp; return 0; } int handle_shadow_paging(struct guest_info * info) { vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data)); // vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data)); if (guest_ctrl->exit_code == VMEXIT_CR3_READ) { } return 0; }