X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm_handler.c;h=159cb5396c84ee341e33a7cf49c959bacdcea594;hb=5db3136d5331c355c188537c68005db8d2cb4eac;hp=18ea2e33662e2ca4b613f4358ab709589df5b5d2;hpb=9dd0a80f28ca47a1fb69992dcd96e7526bf5175c;p=palacios.git diff --git a/palacios/src/palacios/svm_handler.c b/palacios/src/palacios/svm_handler.c index 18ea2e3..159cb53 100644 --- a/palacios/src/palacios/svm_handler.c +++ b/palacios/src/palacios/svm_handler.c @@ -1,3 +1,23 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + + #include #include #include @@ -6,8 +26,9 @@ #include #include #include +#include #include - +#include int handle_svm_exit(struct guest_info * info) { vmcb_ctrl_t * guest_ctrl = 0; @@ -30,10 +51,15 @@ int handle_svm_exit(struct guest_info * info) { info->ctrl_regs.cr2 = guest_state->cr2; info->ctrl_regs.cr3 = guest_state->cr3; info->ctrl_regs.cr4 = guest_state->cr4; + info->dbg_regs.dr6 = guest_state->dr6; + info->dbg_regs.dr7 = guest_state->dr7; info->ctrl_regs.cr8 = guest_ctrl->guest_ctrl.V_TPR; info->ctrl_regs.rflags = guest_state->rflags; + info->ctrl_regs.efer = guest_state->efer; get_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments)); + info->cpu_mode = get_cpu_mode(info); + info->mem_mode = get_mem_mode(info); exit_code = guest_ctrl->exit_code; @@ -46,7 +72,7 @@ int handle_svm_exit(struct guest_info * info) { // PrintDebug("SVM Returned: Exit Code: 0x%x \t\t(tsc=%ul)\n",exit_code, (uint_t)info->time_state.guest_tsc); if ((0) && (exit_code < 0x4f)) { - char instr[32]; + uchar_t instr[32]; int ret; // Dump out the instr stream @@ -83,8 +109,10 @@ int handle_svm_exit(struct guest_info * info) { //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code); - - if (exit_code == VMEXIT_IOIO) { + + switch (exit_code) { + + case VMEXIT_IOIO: { struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1); if (io_info->type == 0) { @@ -108,36 +136,51 @@ int handle_svm_exit(struct guest_info * info) { } } } - } else if (exit_code == VMEXIT_CR0_WRITE) { + } + break; + + + case VMEXIT_CR0_WRITE: { #ifdef DEBUG_CTRL_REGS PrintDebug("CR0 Write\n"); #endif if (handle_cr0_write(info) == -1) { return -1; } - } else if (exit_code == VMEXIT_CR0_READ) { + } + break; + + case VMEXIT_CR0_READ: { #ifdef DEBUG_CTRL_REGS PrintDebug("CR0 Read\n"); #endif if (handle_cr0_read(info) == -1) { return -1; } - } else if (exit_code == VMEXIT_CR3_WRITE) { + } + break; + + case VMEXIT_CR3_WRITE: { #ifdef DEBUG_CTRL_REGS PrintDebug("CR3 Write\n"); #endif if (handle_cr3_write(info) == -1) { return -1; } - } else if (exit_code == VMEXIT_CR3_READ) { + } + break; + + case VMEXIT_CR3_READ: { #ifdef DEBUG_CTRL_REGS PrintDebug("CR3 Read\n"); #endif if (handle_cr3_read(info) == -1) { return -1; } + } + break; - } else if (exit_code == VMEXIT_EXCP14) { + case VMEXIT_EXCP14: { addr_t fault_addr = guest_ctrl->exit_info2; pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1); #ifdef DEBUG_SHADOW_PAGING @@ -148,16 +191,20 @@ int handle_svm_exit(struct guest_info * info) { return -1; } } else { - PrintError("Page fault in un implemented paging mode\n"); - return -1; } - } else if (exit_code == VMEXIT_NPF) { + } + break; + + case VMEXIT_NPF: { PrintError("Currently unhandled Nested Page Fault\n"); return -1; + + } + break; - } else if (exit_code == VMEXIT_INVLPG) { + case VMEXIT_INVLPG: { if (info->shdw_pg_mode == SHADOW_PAGING) { #ifdef DEBUG_SHADOW_PAGING PrintDebug("Invlpg\n"); @@ -171,39 +218,122 @@ int handle_svm_exit(struct guest_info * info) { (exit_code == VMEXIT_INVLPGA) || */ - } else if (exit_code == VMEXIT_INTR) { + } + break; - // handle_svm_intr(info); - - } else if (exit_code == VMEXIT_SMI) { + case VMEXIT_INTR: { + + // handle_svm_intr(info); // handled by interrupt dispatch earlier + } + break; + + case VMEXIT_SMI: { + // handle_svm_smi(info); // ignored for now - } else if (exit_code == VMEXIT_HLT) { + } + break; + + case VMEXIT_HLT: { PrintDebug("Guest halted\n"); if (handle_svm_halt(info) == -1) { return -1; } - } else if (exit_code == VMEXIT_PAUSE) { + } + break; + + case VMEXIT_PAUSE: { PrintDebug("Guest paused\n"); if (handle_svm_pause(info) == -1) { return -1; } - } else { + } + break; + + case VMEXIT_EXCP1: + { +#ifdef DEBUG_EMULATOR + PrintDebug("DEBUG EXCEPTION\n"); +#endif + if (info->run_state == VM_EMULATING) { + if (v3_emulation_exit_handler(info) == -1) { + return -1; + } + } else { + PrintError("VMMCALL with not emulator...\n"); + return -1; + } + break; + } + + + case VMEXIT_VMMCALL: + { +#ifdef DEBUG_EMULATOR + PrintDebug("VMMCALL\n"); +#endif + if (info->run_state == VM_EMULATING) { + if (v3_emulation_exit_handler(info) == -1) { + return -1; + } + } else { + /* + ulong_t tsc_spread = 0; + ullong_t exit_tsc = 0; + + ulong_t rax = (ulong_t)info->vm_regs.rbx; + ulong_t rdx = (ulong_t)info->vm_regs.rcx; + + *(ulong_t *)(&exit_tsc) = rax; + *(((ulong_t *)(&exit_tsc)) + 1) = rdx; + + tsc_spread = info->exit_tsc - exit_tsc; + + PrintError("VMMCALL tsc diff = %lu\n",tsc_spread); + info->rip += 3; + */ + PrintError("VMMCALL with not emulator...\n"); + return -1; + } + break; + } + + + + case VMEXIT_WBINVD: + { +#ifdef DEBUG_EMULATOR + PrintDebug("WBINVD\n"); +#endif + if (!handle_svm_wbinvd(info)) { + return -1; + } + break; + } + + + + + /* Exits Following this line are NOT HANDLED */ + /*=======================================================================*/ + + default: { + addr_t rip_addr; - char buf[15]; + uchar_t buf[15]; addr_t host_addr; + PrintDebug("Unhandled SVM Exit: %s\n", vmexit_code_to_str(exit_code)); rip_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs)); - PrintError("SVM Returned:(VMCB=%x)\n", info->vmm_data); PrintError("RIP: %x\n", guest_state->rip); PrintError("RIP Linear: %x\n", rip_addr); - PrintError("SVM Returned: Exit Code: %x\n",exit_code); + PrintError("SVM Returned: Exit Code: %x\n", exit_code); PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1)); PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4)); @@ -227,9 +357,9 @@ int handle_svm_exit(struct guest_info * info) { PrintError("Invalid memory mode\n"); return -1; } - + PrintError("Host Address of rip = 0x%x\n", host_addr); - + memset(buf, 0, 32); PrintError("Reading instruction stream in guest\n", rip_addr); @@ -239,17 +369,19 @@ int handle_svm_exit(struct guest_info * info) { } else { read_guest_va_memory(info, rip_addr-16, 32, buf); } - + PrintDebug("16 bytes before Rip\n"); PrintTraceMemDump(buf, 16); PrintDebug("Rip onward\n"); PrintTraceMemDump(buf+16, 16); - - - + return -1; } + break; + + } + // END OF SWITCH (EXIT_CODE) // Update the low level state @@ -319,16 +451,21 @@ int handle_svm_exit(struct guest_info * info) { return -1; } + } else { +#ifdef DEBUG_INTERRUPTS + PrintDebug("No interrupts/exceptions pending\n"); +#endif } - guest_state->cr0 = info->ctrl_regs.cr0; guest_state->cr2 = info->ctrl_regs.cr2; guest_state->cr3 = info->ctrl_regs.cr3; guest_state->cr4 = info->ctrl_regs.cr4; + guest_state->dr6 = info->dbg_regs.dr6; + guest_state->dr7 = info->dbg_regs.dr7; guest_ctrl->guest_ctrl.V_TPR = info->ctrl_regs.cr8 & 0xff; guest_state->rflags = info->ctrl_regs.rflags; - + guest_state->efer = info->ctrl_regs.efer; guest_state->cpl = info->cpl; @@ -346,3 +483,297 @@ int handle_svm_exit(struct guest_info * info) { return 0; } + + + +const uchar_t * vmexit_code_to_str(uint_t exit_code) { + switch(exit_code) { + case VMEXIT_CR0_READ: + return VMEXIT_CR0_READ_STR; + case VMEXIT_CR1_READ: + return VMEXIT_CR1_READ_STR; + case VMEXIT_CR2_READ: + return VMEXIT_CR2_READ_STR; + case VMEXIT_CR3_READ: + return VMEXIT_CR3_READ_STR; + case VMEXIT_CR4_READ: + return VMEXIT_CR4_READ_STR; + case VMEXIT_CR5_READ: + return VMEXIT_CR5_READ_STR; + case VMEXIT_CR6_READ: + return VMEXIT_CR6_READ_STR; + case VMEXIT_CR7_READ: + return VMEXIT_CR7_READ_STR; + case VMEXIT_CR8_READ: + return VMEXIT_CR8_READ_STR; + case VMEXIT_CR9_READ: + return VMEXIT_CR9_READ_STR; + case VMEXIT_CR10_READ: + return VMEXIT_CR10_READ_STR; + case VMEXIT_CR11_READ: + return VMEXIT_CR11_READ_STR; + case VMEXIT_CR12_READ: + return VMEXIT_CR12_READ_STR; + case VMEXIT_CR13_READ: + return VMEXIT_CR13_READ_STR; + case VMEXIT_CR14_READ: + return VMEXIT_CR14_READ_STR; + case VMEXIT_CR15_READ: + return VMEXIT_CR15_READ_STR; + case VMEXIT_CR0_WRITE: + return VMEXIT_CR0_WRITE_STR; + case VMEXIT_CR1_WRITE: + return VMEXIT_CR1_WRITE_STR; + case VMEXIT_CR2_WRITE: + return VMEXIT_CR2_WRITE_STR; + case VMEXIT_CR3_WRITE: + return VMEXIT_CR3_WRITE_STR; + case VMEXIT_CR4_WRITE: + return VMEXIT_CR4_WRITE_STR; + case VMEXIT_CR5_WRITE: + return VMEXIT_CR5_WRITE_STR; + case VMEXIT_CR6_WRITE: + return VMEXIT_CR6_WRITE_STR; + case VMEXIT_CR7_WRITE: + return VMEXIT_CR7_WRITE_STR; + case VMEXIT_CR8_WRITE: + return VMEXIT_CR8_WRITE_STR; + case VMEXIT_CR9_WRITE: + return VMEXIT_CR9_WRITE_STR; + case VMEXIT_CR10_WRITE: + return VMEXIT_CR10_WRITE_STR; + case VMEXIT_CR11_WRITE: + return VMEXIT_CR11_WRITE_STR; + case VMEXIT_CR12_WRITE: + return VMEXIT_CR12_WRITE_STR; + case VMEXIT_CR13_WRITE: + return VMEXIT_CR13_WRITE_STR; + case VMEXIT_CR14_WRITE: + return VMEXIT_CR14_WRITE_STR; + case VMEXIT_CR15_WRITE: + return VMEXIT_CR15_WRITE_STR; + case VMEXIT_DR0_READ: + return VMEXIT_DR0_READ_STR; + case VMEXIT_DR1_READ: + return VMEXIT_DR1_READ_STR; + case VMEXIT_DR2_READ: + return VMEXIT_DR2_READ_STR; + case VMEXIT_DR3_READ: + return VMEXIT_DR3_READ_STR; + case VMEXIT_DR4_READ: + return VMEXIT_DR4_READ_STR; + case VMEXIT_DR5_READ: + return VMEXIT_DR5_READ_STR; + case VMEXIT_DR6_READ: + return VMEXIT_DR6_READ_STR; + case VMEXIT_DR7_READ: + return VMEXIT_DR7_READ_STR; + case VMEXIT_DR8_READ: + return VMEXIT_DR8_READ_STR; + case VMEXIT_DR9_READ: + return VMEXIT_DR9_READ_STR; + case VMEXIT_DR10_READ: + return VMEXIT_DR10_READ_STR; + case VMEXIT_DR11_READ: + return VMEXIT_DR11_READ_STR; + case VMEXIT_DR12_READ: + return VMEXIT_DR12_READ_STR; + case VMEXIT_DR13_READ: + return VMEXIT_DR13_READ_STR; + case VMEXIT_DR14_READ: + return VMEXIT_DR14_READ_STR; + case VMEXIT_DR15_READ: + return VMEXIT_DR15_READ_STR; + case VMEXIT_DR0_WRITE: + return VMEXIT_DR0_WRITE_STR; + case VMEXIT_DR1_WRITE: + return VMEXIT_DR1_WRITE_STR; + case VMEXIT_DR2_WRITE: + return VMEXIT_DR2_WRITE_STR; + case VMEXIT_DR3_WRITE: + return VMEXIT_DR3_WRITE_STR; + case VMEXIT_DR4_WRITE: + return VMEXIT_DR4_WRITE_STR; + case VMEXIT_DR5_WRITE: + return VMEXIT_DR5_WRITE_STR; + case VMEXIT_DR6_WRITE: + return VMEXIT_DR6_WRITE_STR; + case VMEXIT_DR7_WRITE: + return VMEXIT_DR7_WRITE_STR; + case VMEXIT_DR8_WRITE: + return VMEXIT_DR8_WRITE_STR; + case VMEXIT_DR9_WRITE: + return VMEXIT_DR9_WRITE_STR; + case VMEXIT_DR10_WRITE: + return VMEXIT_DR10_WRITE_STR; + case VMEXIT_DR11_WRITE: + return VMEXIT_DR11_WRITE_STR; + case VMEXIT_DR12_WRITE: + return VMEXIT_DR12_WRITE_STR; + case VMEXIT_DR13_WRITE: + return VMEXIT_DR13_WRITE_STR; + case VMEXIT_DR14_WRITE: + return VMEXIT_DR14_WRITE_STR; + case VMEXIT_DR15_WRITE: + return VMEXIT_DR15_WRITE_STR; + case VMEXIT_EXCP0: + return VMEXIT_EXCP0_STR; + case VMEXIT_EXCP1: + return VMEXIT_EXCP1_STR; + case VMEXIT_EXCP2: + return VMEXIT_EXCP2_STR; + case VMEXIT_EXCP3: + return VMEXIT_EXCP3_STR; + case VMEXIT_EXCP4: + return VMEXIT_EXCP4_STR; + case VMEXIT_EXCP5: + return VMEXIT_EXCP5_STR; + case VMEXIT_EXCP6: + return VMEXIT_EXCP6_STR; + case VMEXIT_EXCP7: + return VMEXIT_EXCP7_STR; + case VMEXIT_EXCP8: + return VMEXIT_EXCP8_STR; + case VMEXIT_EXCP9: + return VMEXIT_EXCP9_STR; + case VMEXIT_EXCP10: + return VMEXIT_EXCP10_STR; + case VMEXIT_EXCP11: + return VMEXIT_EXCP11_STR; + case VMEXIT_EXCP12: + return VMEXIT_EXCP12_STR; + case VMEXIT_EXCP13: + return VMEXIT_EXCP13_STR; + case VMEXIT_EXCP14: + return VMEXIT_EXCP14_STR; + case VMEXIT_EXCP15: + return VMEXIT_EXCP15_STR; + case VMEXIT_EXCP16: + return VMEXIT_EXCP16_STR; + case VMEXIT_EXCP17: + return VMEXIT_EXCP17_STR; + case VMEXIT_EXCP18: + return VMEXIT_EXCP18_STR; + case VMEXIT_EXCP19: + return VMEXIT_EXCP19_STR; + case VMEXIT_EXCP20: + return VMEXIT_EXCP20_STR; + case VMEXIT_EXCP21: + return VMEXIT_EXCP21_STR; + case VMEXIT_EXCP22: + return VMEXIT_EXCP22_STR; + case VMEXIT_EXCP23: + return VMEXIT_EXCP23_STR; + case VMEXIT_EXCP24: + return VMEXIT_EXCP24_STR; + case VMEXIT_EXCP25: + return VMEXIT_EXCP25_STR; + case VMEXIT_EXCP26: + return VMEXIT_EXCP26_STR; + case VMEXIT_EXCP27: + return VMEXIT_EXCP27_STR; + case VMEXIT_EXCP28: + return VMEXIT_EXCP28_STR; + case VMEXIT_EXCP29: + return VMEXIT_EXCP29_STR; + case VMEXIT_EXCP30: + return VMEXIT_EXCP30_STR; + case VMEXIT_EXCP31: + return VMEXIT_EXCP31_STR; + case VMEXIT_INTR: + return VMEXIT_INTR_STR; + case VMEXIT_NMI: + return VMEXIT_NMI_STR; + case VMEXIT_SMI: + return VMEXIT_SMI_STR; + case VMEXIT_INIT: + return VMEXIT_INIT_STR; + case VMEXIT_VINITR: + return VMEXIT_VINITR_STR; + case VMEXIT_CR0_SEL_WRITE: + return VMEXIT_CR0_SEL_WRITE_STR; + case VMEXIT_IDTR_READ: + return VMEXIT_IDTR_READ_STR; + case VMEXIT_GDTR_READ: + return VMEXIT_GDTR_READ_STR; + case VMEXIT_LDTR_READ: + return VMEXIT_LDTR_READ_STR; + case VMEXIT_TR_READ: + return VMEXIT_TR_READ_STR; + case VMEXIT_IDTR_WRITE: + return VMEXIT_IDTR_WRITE_STR; + case VMEXIT_GDTR_WRITE: + return VMEXIT_GDTR_WRITE_STR; + case VMEXIT_LDTR_WRITE: + return VMEXIT_LDTR_WRITE_STR; + case VMEXIT_TR_WRITE: + return VMEXIT_TR_WRITE_STR; + case VMEXIT_RDTSC: + return VMEXIT_RDTSC_STR; + case VMEXIT_RDPMC: + return VMEXIT_RDPMC_STR; + case VMEXIT_PUSHF: + return VMEXIT_PUSHF_STR; + case VMEXIT_POPF: + return VMEXIT_POPF_STR; + case VMEXIT_CPUID: + return VMEXIT_CPUID_STR; + case VMEXIT_RSM: + return VMEXIT_RSM_STR; + case VMEXIT_IRET: + return VMEXIT_IRET_STR; + case VMEXIT_SWINT: + return VMEXIT_SWINT_STR; + case VMEXIT_INVD: + return VMEXIT_INVD_STR; + case VMEXIT_PAUSE: + return VMEXIT_PAUSE_STR; + case VMEXIT_HLT: + return VMEXIT_HLT_STR; + case VMEXIT_INVLPG: + return VMEXIT_INVLPG_STR; + case VMEXIT_INVLPGA: + return VMEXIT_INVLPGA_STR; + case VMEXIT_IOIO: + return VMEXIT_IOIO_STR; + case VMEXIT_MSR: + return VMEXIT_MSR_STR; + case VMEXIT_TASK_SWITCH: + return VMEXIT_TASK_SWITCH_STR; + case VMEXIT_FERR_FREEZE: + return VMEXIT_FERR_FREEZE_STR; + case VMEXIT_SHUTDOWN: + return VMEXIT_SHUTDOWN_STR; + case VMEXIT_VMRUN: + return VMEXIT_VMRUN_STR; + case VMEXIT_VMMCALL: + return VMEXIT_VMMCALL_STR; + case VMEXIT_VMLOAD: + return VMEXIT_VMLOAD_STR; + case VMEXIT_VMSAVE: + return VMEXIT_VMSAVE_STR; + case VMEXIT_STGI: + return VMEXIT_STGI_STR; + case VMEXIT_CLGI: + return VMEXIT_CLGI_STR; + case VMEXIT_SKINIT: + return VMEXIT_SKINIT_STR; + case VMEXIT_RDTSCP: + return VMEXIT_RDTSCP_STR; + case VMEXIT_ICEBP: + return VMEXIT_ICEBP_STR; + case VMEXIT_WBINVD: + return VMEXIT_WBINVD_STR; + case VMEXIT_MONITOR: + return VMEXIT_MONITOR_STR; + case VMEXIT_MWAIT: + return VMEXIT_MWAIT_STR; + case VMEXIT_MWAIT_CONDITIONAL: + return VMEXIT_MWAIT_CONDITIONAL_STR; + case VMEXIT_NPF: + return VMEXIT_NPF_STR; + case VMEXIT_INVALID_VMCB: + return VMEXIT_INVALID_VMCB_STR; + } + return NULL; +}