X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm.c;h=7889c11b510234554f6783c1e6f764fb9af03500;hb=639fdba00d36b2a60fad3d28703459354cf8744f;hp=2003ba749be6d8ff55026f0aad081d50be194700;hpb=fc90c3287f85c66e1f6616685b66a8339145c3ee;p=palacios.git diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c index 2003ba7..7889c11 100644 --- a/palacios/src/palacios/svm.c +++ b/palacios/src/palacios/svm.c @@ -9,10 +9,7 @@ #include #include - -/* TEMPORARY BECAUSE SVM IS WEIRD */ -//#include -/* ** */ +#include extern struct vmm_os_hooks * os_hooks; @@ -22,12 +19,13 @@ extern uint_t cpuid_edx(uint_t op); extern void Get_MSR(uint_t MSR, uint_t * high_byte, uint_t * low_byte); extern void Set_MSR(uint_t MSR, uint_t high_byte, uint_t low_byte); extern uint_t launch_svm(vmcb_t * vmcb_addr); -extern void safe_svm_launch(vmcb_t * vmcb_addr, struct guest_gprs * gprs); +extern void safe_svm_launch(vmcb_t * vmcb_addr, struct v3_gprs * gprs); + +extern void STGI(); +extern void CLGI(); extern uint_t Get_CR3(); -extern void GetGDTR(void * gdt); -extern void GetIDTR(void * idt); extern void DisableInts(); @@ -142,14 +140,42 @@ int start_svm_guest(struct guest_info *info) { while (1) { + CLGI(); + //PrintDebug("SVM Launch Args (vmcb=%x), (info=%x), (vm_regs=%x)\n", info->vmm_data, &(info->vm_regs)); //PrintDebug("Launching to RIP: %x\n", info->rip); safe_svm_launch((vmcb_t*)(info->vmm_data), &(info->vm_regs)); //launch_svm((vmcb_t*)(info->vmm_data)); //PrintDebug("SVM Returned\n"); + + + STGI(); + + if (handle_svm_exit(info) != 0) { - // handle exit code.... + vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data)); + addr_t host_addr; + addr_t linear_addr = 0; + + PrintDebug("SVM ERROR!!\n"); + + + PrintDebug("RIP: %x\n", guest_state->rip); + + + linear_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs)); + + + PrintDebug("RIP Linear: %x\n", linear_addr); + + guest_pa_to_host_pa(info, linear_addr, &host_addr); + + PrintDebug("Host Address of rip = 0x%x\n", host_addr); + + PrintDebug("Instr (15 bytes) at %x:\n", host_addr); + PrintTraceMemDump((char*)host_addr, 15); + break; } } @@ -251,10 +277,10 @@ void Init_VMCB(vmcb_t * vmcb, struct guest_info vm_info) { if (vm_info.page_mode == SHADOW_PAGING) { PrintDebug("Creating initial shadow page table\n"); - vm_info.shdw_pg_state.shadow_cr3.e_reg.low |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff); + vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff); PrintDebug("Created\n"); - guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3.r_reg; + guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3; ctrl_area->cr_reads.cr3 = 1; ctrl_area->cr_writes.cr3 = 1; @@ -301,6 +327,8 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { // guest_state->rip = vm_info.rip; guest_state->rip = 0xfff0; + guest_state->cpl = 0; + //ctrl_area->instrs.instrs.CR0 = 1; ctrl_area->cr_reads.cr0 = 1; ctrl_area->cr_writes.cr0 = 1; @@ -308,6 +336,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { guest_state->efer |= EFER_MSR_svm_enable; guest_state->rflags = 0x00000002; // The reserved bit is always 1 ctrl_area->svm_instrs.VMRUN = 1; + ctrl_area->instrs.HLT = 1; // guest_state->cr0 = 0x00000001; // PE ctrl_area->guest_ASID = 1; @@ -377,7 +406,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { uchar_t * bitmap = (uchar_t *)io_port_bitmap; bitmap += (port / 8); - PrintDebug("Setting Bit in block %x\n", bitmap); + PrintDebug("Setting Bit for port 0x%x\n", port); *bitmap |= 1 << (port % 8); } @@ -387,16 +416,19 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { ctrl_area->instrs.IOIO_PROT = 1; } - //ctrl_area->instrs.instrs.INTR = 1; + PrintDebug("Exiting on interrupts\n"); + ctrl_area->guest_ctrl.V_INTR_MASKING = 1; + ctrl_area->instrs.INTR = 1; + if (vm_info.page_mode == SHADOW_PAGING) { PrintDebug("Creating initial shadow page table\n"); - vm_info.shdw_pg_state.shadow_cr3.e_reg.low |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff); + vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff); PrintDebug("Created\n"); - guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3.r_reg; + guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3; //PrintDebugPageTables((pde32_t*)(vm_info.shdw_pg_state.shadow_cr3.e_reg.low)); @@ -434,6 +466,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { } +#if 0 void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) { vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb); vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb); @@ -597,7 +630,7 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) { - +#endif