endif
endif
+ifeq ($(DEBUG_NESTED_PAGING),1)
+DEBUG_SECTIONS := $(DEBUG_SECTIONS) DEBUG_NESTED_PAGING=1
+else
+ifeq ($(DEBUG_NESTED_PAGING),0)
+DEBUG_SECTIONS := $(DEBUG_SECTIONS) DEBUG_NESTED_PAGING=0
+endif
+endif
+
ifeq ($(DEBUG_CTRL_REGS),1)
DEBUG_SECTIONS := $(DEBUG_SECTIONS) DEBUG_CTRL_REGS=1
else
PROJECT_ROOT := ..
VPATH := $(PROJECT_ROOT)/src
-#when -DNDEBUG is set the kassert functions are disabled
-#JRLDEBUG=-DNDEBUG
+
+
ifeq ($(SERIAL_DEBUG), 1)
JRLDEBUG= -DDEBUG_SERIAL
else
JRLDEBUG=
endif
+
# Figure out if we're compiling with cygwin, http://cygwin.com
SYSTEM_NAME := $(shell uname -s)
ifeq ($(findstring CYGWIN,$(SYSTEM_NAME)),CYGWIN)
# ----------------------------------------------------------------------
# Flags used for all C source files
+
GENERAL_OPTS := -O -Wall $(EXTRA_C_OPTS) $(JRLDEBUG)
CC_GENERAL_OPTS := $(GENERAL_OPTS) -Werror
ifeq ($(DEBUG_ALL),1)
- DEBUG_SECTIONS:= $(DEBUG_SECTIONS) -DDEBUG_SHADOW_PAGING -DDEBUG_CTRL_REGS -DDEBUG_INTERRUPTS -DDEBUG_KEYBOARD -DDEBUG_PIC -DDEBUG_PIT -DDEBUG_NVRAM -DDEBUG_EMULATOR -DDEBUG_XED -DDEBUG_HALT -DDEBUG_DEV_MGR
+ DEBUG_SECTIONS:= $(DEBUG_SECTIONS) -DDEBUG_SHADOW_PAGING -DDEBUG_NESTED_PAGING -DDEBUG_CTRL_REGS -DDEBUG_INTERRUPTS -DDEBUG_KEYBOARD -DDEBUG_PIC -DDEBUG_PIT -DDEBUG_NVRAM -DDEBUG_EMULATOR -DDEBUG_XED -DDEBUG_HALT -DDEBUG_DEV_MGR
# -DDEBUG_IO -DDEBUG_GENERIC -DDEBUG_IDE
endif
ifeq ($(DEBUG_SHADOW_PAGING),0)
DEBUG_SECTIONS := $(DEBUG_SECTIONS) -UDEBUG_SHADOW_PAGING
endif
+
+endif
+ifeq ($(DEBUG_NESTED_PAGING),1)
+DEBUG_SECTIONS := $(DEBUG_SECTIONS) -DDEBUG_NESTED_PAGING
+else
+ifeq ($(DEBUG_NESTED_PAGING),0)
+DEBUG_SECTIONS := $(DEBUG_SECTIONS) -UDEBUG_NESTED_PAGING
+endif
endif
ifeq ($(DEBUG_CTRL_REGS),1)
palacios/vmm_debug.o \
palacios/svm_io.o \
palacios/vmm_intr.o \
+ palacios/vmm_excp.o \
palacios/vmm_time.o \
palacios/vmm_shadow_paging.o \
palacios/vm_guest_mem.o \
ln -s -f ../src/vmboot/vgabios/VGABIOS-lgpl-latest.bin vgabios
-force_rombios: rombios_link
- (cd ../src/vmboot/rombios; make clean; make)
-
-force_vgabios: vgabios_link
- (cd ../src/vmboot/vgabios; make clean; make)
-
-force_payload: force_rombios force_vgabios
+force_payload: rombios_link vgabios_link
../scripts/make_payload.pl payload_layout.txt vm_kernel
inter1: force_payload
#include <palacios/vmm_io.h>
#include <palacios/vmm_shadow_paging.h>
#include <palacios/vmm_intr.h>
+#include <palacios/vmm_excp.h>
#include <palacios/vmm_dev_mgr.h>
#include <palacios/vmm_time.h>
#include <palacios/vmm_host_events.h>
// This structure is how we get interrupts for the guest
struct v3_intr_state intr_state;
+ // This structure is how we get exceptions for the guest
+ struct v3_excp_state excp_state;
+
v3_io_map_t io_map;
struct v3_msr_map msr_map;
int enable_profiling;
+ int enable_nested_paging;
int use_ramdisk;
void * ramdisk;
addr_t v3_create_direct_passthrough_pts(struct guest_info * guest_info);
int v3_handle_passthrough_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+int v3_handle_nested_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
#endif // ! __V3VEE__
--- /dev/null
+/*
+ * 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 <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VMM_EXCP_H__
+#define __VMM_EXCP_H__
+
+#ifdef __V3VEE__
+
+
+#include <palacios/vmm_types.h>
+
+#define DE_EXCEPTION 0x00
+#define DB_EXCEPTION 0x01
+#define NMI_EXCEPTION 0x02
+#define BP_EXCEPTION 0x03
+#define OF_EXCEPTION 0x04
+#define BR_EXCEPTION 0x05
+#define UD_EXCEPTION 0x06
+#define NM_EXCEPTION 0x07
+#define DF_EXCEPTION 0x08
+#define TS_EXCEPTION 0x0a
+#define NP_EXCEPTION 0x0b
+#define SS_EXCEPTION 0x0c
+#define GPF_EXCEPTION 0x0d
+#define PF_EXCEPTION 0x0e
+#define MF_EXCEPTION 0x10
+#define AC_EXCEPTION 0x11
+#define MC_EXCEPTION 0x12
+#define XF_EXCEPTION 0x13
+#define SX_EXCEPTION 0x1e
+
+
+struct guest_info;
+
+struct v3_excp_state {
+
+ /* We need to rework the exception state, to handle stacking */
+ uint_t excp_pending;
+ uint_t excp_num;
+ uint_t excp_error_code_valid : 1;
+ uint_t excp_error_code;
+
+};
+
+
+void v3_init_exception_state(struct guest_info * info);
+
+
+int v3_raise_exception(struct guest_info * info, uint_t excp);
+int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code);
+
+int v3_excp_pending(struct guest_info * info);
+int v3_get_excp_number(struct guest_info * info);
+int v3_injecting_excp(struct guest_info * info, uint_t excp);
+
+#endif
+
+#endif
#include <palacios/vmm_types.h>
#include <palacios/vmm_list.h>
-#define DE_EXCEPTION 0x00
-#define DB_EXCEPTION 0x01
-#define NMI_EXCEPTION 0x02
-#define BP_EXCEPTION 0x03
-#define OF_EXCEPTION 0x04
-#define BR_EXCEPTION 0x05
-#define UD_EXCEPTION 0x06
-#define NM_EXCEPTION 0x07
-#define DF_EXCEPTION 0x08
-#define TS_EXCEPTION 0x0a
-#define NP_EXCEPTION 0x0b
-#define SS_EXCEPTION 0x0c
-#define GPF_EXCEPTION 0x0d
-#define PF_EXCEPTION 0x0e
-#define MF_EXCEPTION 0x10
-#define AC_EXCEPTION 0x11
-#define MC_EXCEPTION 0x12
-#define XF_EXCEPTION 0x13
-#define SX_EXCEPTION 0x1e
-
-
-typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t;
+
+
+typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t;
struct guest_info;
struct v3_interrupt;
struct v3_intr_state {
- /* We need to rework the exception state, to handle stacking */
- uint_t excp_pending;
- uint_t excp_num;
- uint_t excp_error_code_valid : 1;
- uint_t excp_error_code;
-
struct list_head controller_list;
-
uint_t irq_pending;
uint_t irq_vector;
-
void v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state);
-int v3_raise_exception(struct guest_info * info, uint_t excp);
-int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code);
-
int v3_intr_pending(struct guest_info * info);
uint_t v3_get_intr_number(struct guest_info * info);
intr_type_t v3_get_intr_type(struct guest_info * info);
uint32_t tmr_init_cnt;
+ struct local_vec_tbl_reg ext_intr_vec_tbl[4];
uint32_t rem_rd_data;
apic->lint1_vec_tbl.val = 0x00010000;
apic->err_vec_tbl.val = 0x00010000;
apic->tmr_div_cfg.val = 0x00000000;
+ //apic->ext_apic_feature.val = 0x00000007;
apic->ext_apic_feature.val = 0x00040007;
apic->ext_apic_ctrl.val = 0x00000000;
apic->spec_eoi.val = 0x00000000;
#ifdef CRAY_XT
- if ((((i * 8) + j) == 238) ||
- (((i * 8) + j) == 239)) {
- PrintError("Acking IRQ %d\n", ((i * 8) + j));
+ if ((isr_irq == 238) ||
+ (isr_irq == 239)) {
+ PrintError("Acking IRQ %d\n", isr_irq);
}
- if (((i * 8) + j) == 238) {
+ if (isr_irq == 238) {
V3_ACK_IRQ(238);
}
#endif
// Unhandled Registers
case EXT_INT_LOC_VEC_TBL_OFFSET0:
+ val = apic->ext_intr_vec_tbl[0].val;
+ break;
case EXT_INT_LOC_VEC_TBL_OFFSET1:
+ val = apic->ext_intr_vec_tbl[1].val;
+ break;
case EXT_INT_LOC_VEC_TBL_OFFSET2:
+ val = apic->ext_intr_vec_tbl[2].val;
+ break;
case EXT_INT_LOC_VEC_TBL_OFFSET3:
+ val = apic->ext_intr_vec_tbl[3].val;
+ break;
+
+
case EXT_APIC_FEATURE_OFFSET:
case EXT_APIC_CMD_OFFSET:
case SEOI_OFFSET:
case IER_OFFSET7:
*(uint32_t *)(apic->int_en_reg + 28) = op_val;
break;
-
+
+ case EXT_INT_LOC_VEC_TBL_OFFSET0:
+ apic->ext_intr_vec_tbl[0].val = op_val;
+ break;
+ case EXT_INT_LOC_VEC_TBL_OFFSET1:
+ apic->ext_intr_vec_tbl[1].val = op_val;
+ break;
+ case EXT_INT_LOC_VEC_TBL_OFFSET2:
+ apic->ext_intr_vec_tbl[2].val = op_val;
+ break;
+ case EXT_INT_LOC_VEC_TBL_OFFSET3:
+ apic->ext_intr_vec_tbl[3].val = op_val;
+ break;
+
// Action Registers
case EOI_OFFSET:
case INT_CMD_LO_OFFSET:
case INT_CMD_HI_OFFSET:
// Unhandled Registers
- case EXT_INT_LOC_VEC_TBL_OFFSET0:
- case EXT_INT_LOC_VEC_TBL_OFFSET1:
- case EXT_INT_LOC_VEC_TBL_OFFSET2:
- case EXT_INT_LOC_VEC_TBL_OFFSET3:
+
case EXT_APIC_CMD_OFFSET:
case SEOI_OFFSET:
default:
static uint32_t cdrom_capacity(void * private_data) {
struct cdrom_state * cdrom = (struct cdrom_state *)private_data;
- PrintDebug("[cdrom_capacity] s_ramdiskSize = %d\n", cdrom->capacity_in_bytes);
+ PrintDebug("[cdrom_capacity] s_ramdiskSize = %lu\n", cdrom->capacity_in_bytes);
if (cdrom->lba) {
if (cdrom->capacity_in_bytes % 2048) {
- PrintDebug("\t\t capacity in LBA is %d\n", (cdrom->capacity_in_bytes / 2048) + 1);
+ PrintDebug("\t\t capacity in LBA is %lu\n", (cdrom->capacity_in_bytes / 2048) + 1);
return (cdrom->capacity_in_bytes / 2048) + 1;
} else {
- PrintDebug("\t\t capacity in LBA is %d\n", cdrom->capacity_in_bytes / 2048);
+ PrintDebug("\t\t capacity in LBA is %lu\n", cdrom->capacity_in_bytes / 2048);
return cdrom->capacity_in_bytes / 2048;
}
} else {
V3_ASSERT(lba != 0);
- PrintDebug("[cdrom_read_block] lba = %d (cdrom_image_start=%x)\n", lba, cdrom->image_addr);
+ PrintDebug("[cdrom_read_block] lba = %d (cdrom_image_start=%p)\n", lba, (void*)cdrom->image_addr);
memcpy(buf, (uchar_t *)(cdrom->image_addr + lba * 2048), 2048);
//PrintDebug("Returning from read block\n");
return;
static int cdrom_device_init(struct vm_device * dev) {
struct cdrom_state * cdrom = (struct cdrom_state *)dev->private_data;
PrintDebug("[cdrom_init]\n");
- PrintDebug("CDIMAGE located at: %x\n", cdrom->image_addr);
+ PrintDebug("CDIMAGE located at: %p\n", (void *)cdrom->image_addr);
//FIXME:lba
cdrom->lba = 1;
list_for_each_entry(tmp, &(state->port_list), range_link) {
uint_t i = 0;
- PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n",
+ PrintDebug("generic: hooking ports 0x%x to 0x%x as %s\n",
tmp->start, tmp->end,
(tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore");
list_for_each_entry(tmp, &(state->mem_list), range_link) {
- PrintDebug("generic: hooking addresses 0x%x to 0x%x\n",
+ PrintDebug("generic: hooking addresses 0x%p to 0x%p\n",
tmp->start, tmp->end);
if (v3_dev_hook_mem(dev, tmp->start, tmp->end)) {
- PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n",
+ PrintDebug("generic: Can't hook addresses 0x%p to 0x%p (already hooked?)\n",
tmp->start, tmp->end);
}
}
list_for_each_entry_safe(cur, tmp, &(state->mem_list), range_link) {
- PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n",
+ PrintDebug("generic: unhooking addresses 0x%p to 0x%p\n",
cur->start, cur->end);
if (v3_dev_unhook_mem(dev, cur->start, cur->end)) {
- PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n",
+ PrintDebug("generic: Can't unhook addresses 0x%p to 0x%p (already unhooked?)\n",
cur->start, cur->end);
}
range->type = type;
- PrintDebug("generic: Adding Port Range: 0x%x to 0x%x as %x\n",
+ PrintDebug("generic: Adding Port Range: 0x%x to 0x%x as %s\n",
range->start, range->end,
(range->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore");
memset((char *)(channels + channel), 0, sizeof(struct channel_t));
}
*/
- PrintDebug("sizeof(*channels) = %d\n", sizeof(*channels));
- PrintDebug("sizeof(channles->drives[0].controller) = %d\n", sizeof((channels->drives[0].controller)));
- PrintDebug("sizeof(channles->drives[0].cdrom) = %d\n", sizeof((channels->drives[0].cdrom)));
- PrintDebug("sizeof(channles->drives[0].sense) = %d\n", sizeof((channels->drives[0].sense)));
- PrintDebug("sizeof(channles->drives[0].atapi) = %d\n", sizeof((channels->drives[0].atapi)));
- PrintDebug("sizeof(channles->drives[0].controller.status) = %d\n",
- sizeof((channels->drives[0].controller.status)));
- PrintDebug("sizeof(channles->drives[0].controller.sector_count) = %d\n",
- sizeof((channels->drives[0].controller.sector_count)));
- PrintDebug("sizeof(channles->drives[0].controller.interrupt_reason) = %d\n",
- sizeof((channels->drives[0].controller.interrupt_reason)));
-
- PrintDebug("sizeof(channles->drives[0].controller.cylinder_no) = %d\n",
- sizeof((channels->drives[0].controller.cylinder_no)));
- PrintDebug("sizeof(channles->drives[0].controller.byte_count) = %d\n",
- sizeof((channels->drives[0].controller.byte_count)));
-
-
- PrintDebug("sizeof(channles->drives[0].controller.control) = %d\n",
- sizeof((channels->drives[0].controller.control)));
-
for (channel = 0; channel < MAX_ATA_CHANNEL; channel++){
guest_state->cpl = 0;
- //ctrl_area->instrs.instrs.CR0 = 1;
- ctrl_area->cr_reads.cr0 = 1;
- ctrl_area->cr_writes.cr0 = 1;
- //ctrl_area->cr_reads.cr4 = 1;
- ctrl_area->cr_writes.cr4 = 1;
+
/* Set up the efer to enable 64 bit page tables */
cr4->pae = 1;
}
*/
-
guest_state->efer |= EFER_MSR_svm_enable;
- vm_info->guest_efer.value = 0x0LL;
-
- v3_hook_msr(vm_info, EFER_MSR,
- &v3_handle_efer_read,
- &v3_handle_efer_write,
- vm_info);
-
guest_state->rflags = 0x00000002; // The reserved bit is always 1
ctrl_area->svm_instrs.MONITOR = 1;
ctrl_area->svm_instrs.MWAIT_always = 1;
ctrl_area->svm_instrs.MWAIT_if_armed = 1;
+ ctrl_area->instrs.INVLPGA = 1;
ctrl_area->instrs.HLT = 1;
// guest_state->cr0 = 0x00000001; // PE
- ctrl_area->guest_ASID = 1;
+
/*
if (vm_info->shdw_pg_mode == SHADOW_PAGING) {
PrintDebug("Creating initial shadow page table\n");
+ ctrl_area->guest_ASID = 1;
-
- /* Testing 64 bit page tables for long paged real mode guests */
- // vm_info->direct_map_pt = (addr_t)V3_PAddr(create_passthrough_pts_64(vm_info));
vm_info->direct_map_pt = (addr_t)V3_PAddr((void *)v3_create_direct_passthrough_pts(vm_info));
- /* End Test */
vm_info->shdw_pg_state.guest_cr0 = 0x0000000000000010LL;
PrintDebug("Created\n");
-
guest_state->cr3 = vm_info->direct_map_pt;
-
- //PrintDebugPageTables((pde32_t*)(vm_info->shdw_pg_state.shadow_cr3.e_reg.low));
-
+ ctrl_area->cr_reads.cr0 = 1;
+ ctrl_area->cr_writes.cr0 = 1;
+ //ctrl_area->cr_reads.cr4 = 1;
+ ctrl_area->cr_writes.cr4 = 1;
ctrl_area->cr_reads.cr3 = 1;
ctrl_area->cr_writes.cr3 = 1;
+ vm_info->guest_efer.value = 0x0LL;
+
+ v3_hook_msr(vm_info, EFER_MSR,
+ &v3_handle_efer_read,
+ &v3_handle_efer_write,
+ vm_info);
+
+
ctrl_area->instrs.INVLPG = 1;
- ctrl_area->instrs.INVLPGA = 1;
+
ctrl_area->exceptions.pf = 1;
/* We need to fix this */
ctrl_area->TLB_CONTROL = 1;
-
guest_state->g_pat = 0x7040600070406ULL;
guest_state->cr0 |= 0x80000000;
} else if (vm_info->shdw_pg_mode == NESTED_PAGING) {
// Flush the TLB on entries/exits
ctrl_area->TLB_CONTROL = 1;
+ ctrl_area->guest_ASID = 1;
// Enable Nested Paging
ctrl_area->NP_ENABLE = 1;
PrintDebug("NP_Enable at 0x%p\n", (void *)&(ctrl_area->NP_ENABLE));
// Set the Nested Page Table pointer
- vm_info->direct_map_pt = ((addr_t)v3_create_direct_passthrough_pts(vm_info) & ~0xfff);
+ vm_info->direct_map_pt = (addr_t)V3_PAddr((void *)v3_create_direct_passthrough_pts(vm_info));
ctrl_area->N_CR3 = vm_info->direct_map_pt;
// ctrl_area->N_CR3 = Get_CR3();
struct v3_msr host_gs_base;
struct v3_msr host_kerngs_base;
- v3_enable_ints();
- v3_clgi();
+/* v3_enable_ints(); */
+/* v3_clgi(); */
/*
//PrintDebug("Turning on global interrupts\n");
v3_stgi();
-
+ v3_clgi();
if ((num_exits % 5000) == 0) {
PrintDebug("SVM Exit number %d\n", num_exits);
void v3_init_SVM(struct v3_ctrl_ops * vmm_ops) {
reg_ex_t msr;
void * host_state;
+ extern v3_cpu_arch_t v3_cpu_type;
// Enable SVM on the CPU
v3_get_msr(EFER_MSR, &(msr.e_reg.high), &(msr.e_reg.low));
PrintDebug("Host State being saved at %p\n", (void *)(addr_t)host_state);
v3_set_msr(SVM_VM_HSAVE_PA_MSR, msr.e_reg.high, msr.e_reg.low);
-
+ if (has_svm_nested_paging() == 1) {
+ v3_cpu_type = V3_SVM_REV3_CPU;
+ } else {
+ v3_cpu_type = V3_SVM_CPU;
+ }
// Setup the SVM specific vmm operations
vmm_ops->init_guest = &init_svm_guest;
#include <palacios/svm_msr.h>
#include <palacios/vmm_profiler.h>
#include <palacios/vmm_hypercall.h>
-
+#include <palacios/vmm_direct_paging.h>
if ((info->intr_state.irq_pending == 1) && (guest_ctrl->guest_ctrl.V_IRQ == 0)) {
// Interrupt was taken in the guest
#ifdef DEBUG_INTERRUPTS
- if ((info->intr_state.irq_vector == 238) ||
- (info->intr_state.irq_vector == 239)) {
- PrintDebug("Interrupt %d taken by guest\n", info->intr_state.irq_vector);
- }
+ PrintDebug("Interrupt %d taken by guest\n", info->intr_state.irq_vector);
+#endif
+ if (!guest_ctrl->exit_int_info.valid) {
+ v3_injecting_intr(info, info->intr_state.irq_vector, EXTERNAL_IRQ);
+ } else {
+#ifdef DEBUG_INTERRUPTS
+ PrintDebug("EXIT INT INFO is set (vec=%d)\n", guest_ctrl->exit_int_info.vector);
#endif
- v3_injecting_intr(info, info->intr_state.irq_vector, EXTERNAL_IRQ);
+ }
}
info->intr_state.irq_pending = 0;
}
break;
}
- case VMEXIT_NPF:
+ case VMEXIT_NPF: {
+ addr_t fault_addr = guest_ctrl->exit_info2;
+ pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
- PrintError("Currently unhandled Nested Page Fault\n");
- return -1;
-
+ if (info->shdw_pg_mode == NESTED_PAGING) {
+ if (v3_handle_nested_pagefault(info, fault_addr, *error_code) == -1) {
+ return -1;
+ }
+ } else {
+ PrintError("Currently unhandled Nested Page Fault\n");
+ return -1;
+ }
break;
+ }
case VMEXIT_INVLPG:
if (info->shdw_pg_mode == SHADOW_PAGING) {
#ifdef DEBUG_SHADOW_PAGING
// Update the low level state
- if (v3_intr_pending(info)) {
+ if (v3_excp_pending(info)) {
+ uint_t excp = v3_get_excp_number(info);
+
+ guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
+
+ if (info->excp_state.excp_error_code_valid) {
+ guest_ctrl->EVENTINJ.error_code = info->excp_state.excp_error_code;
+ guest_ctrl->EVENTINJ.ev = 1;
+#ifdef DEBUG_INTERRUPTS
+ PrintDebug("Injecting exception %d with error code %x\n", excp, guest_ctrl->EVENTINJ.error_code);
+#endif
+ }
+
+ guest_ctrl->EVENTINJ.vector = excp;
+
+ guest_ctrl->EVENTINJ.valid = 1;
+#ifdef DEBUG_INTERRUPTS
+ PrintDebug("Injecting Exception %d (EIP=%p)\n",
+ guest_ctrl->EVENTINJ.vector,
+ (void *)(addr_t)info->rip);
+#endif
+ v3_injecting_excp(info, excp);
+ } else if (v3_intr_pending(info)) {
switch (v3_get_intr_type(info)) {
case EXTERNAL_IRQ: {
// check to see if ==-1 (non exists)
- /*
- guest_ctrl->EVENTINJ.vector = irq;
- guest_ctrl->EVENTINJ.valid = 1;
- guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXTERNAL_INTR;
- */
guest_ctrl->guest_ctrl.V_IRQ = 1;
guest_ctrl->guest_ctrl.V_INTR_VECTOR = irq;
guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
#ifdef DEBUG_INTERRUPTS
- if ((irq == 238) || (irq == 239)) {
- PrintDebug("Injecting Interrupt %d (EIP=%p)\n",
- guest_ctrl->guest_ctrl.V_INTR_VECTOR,
- (void *)(addr_t)info->rip);
- }
+ PrintDebug("Injecting Interrupt %d (EIP=%p)\n",
+ guest_ctrl->guest_ctrl.V_INTR_VECTOR,
+ (void *)(addr_t)info->rip);
#endif
info->intr_state.irq_pending = 1;
case NMI:
guest_ctrl->EVENTINJ.type = SVM_INJECTION_NMI;
break;
- case EXCEPTION: {
- uint_t excp = v3_get_intr_number(info);
-
- guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
-
- if (info->intr_state.excp_error_code_valid) { //PAD
- guest_ctrl->EVENTINJ.error_code = info->intr_state.excp_error_code;
- guest_ctrl->EVENTINJ.ev = 1;
-#ifdef DEBUG_INTERRUPTS
- // PrintDebug("Injecting exception %d with error code %x\n", excp, guest_ctrl->EVENTINJ.error_code);
-#endif
- }
-
- guest_ctrl->EVENTINJ.vector = excp;
-
- guest_ctrl->EVENTINJ.valid = 1;
-#ifdef DEBUG_INTERRUPTS
- /*
- PrintDebug("Injecting Exception %d (EIP=%p)\n",
- guest_ctrl->EVENTINJ.vector,
- (void *)(addr_t)info->rip);
- */
-#endif
- v3_injecting_intr(info, excp, EXCEPTION);
- break;
- }
case SOFTWARE_INTR:
guest_ctrl->EVENTINJ.type = SVM_INJECTION_SOFT_INTR;
break;
v3_vm_cpu_mode_t v3_get_cpu_mode(struct guest_info * info) {
struct cr0_32 * cr0;
+ struct efer_64 * efer;
struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
- struct efer_64 * efer = (struct efer_64 *)&(info->guest_efer);
struct v3_segment * cs = &(info->segments.cs);
+ vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
if (info->shdw_pg_mode == SHADOW_PAGING) {
cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+ efer = (struct efer_64 *)&(info->guest_efer);
} else if (info->shdw_pg_mode == NESTED_PAGING) {
cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+ efer = (struct efer_64 *)&(guest_state->efer);
} else {
PrintError("Invalid Paging Mode...\n");
V3_ASSERT(0);
uint_t v3_get_addr_width(struct guest_info * info) {
struct cr0_32 * cr0;
struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
- struct efer_64 * efer = (struct efer_64 *)&(info->guest_efer);
+ struct efer_64 * efer;
struct v3_segment * cs = &(info->segments.cs);
+ vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
if (info->shdw_pg_mode == SHADOW_PAGING) {
cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+ efer = (struct efer_64 *)&(info->guest_efer);
} else if (info->shdw_pg_mode == NESTED_PAGING) {
cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+ efer = (struct efer_64 *)&(guest_state->efer);
} else {
PrintError("Invalid Paging Mode...\n");
V3_ASSERT(0);
int guest_pa_to_host_pa(struct guest_info * guest_info, addr_t guest_pa, addr_t * host_pa) {
struct v3_shadow_region * shdw_reg = v3_get_shadow_region(guest_info, guest_pa);
- *host_pa = v3_get_shadow_addr(shdw_reg, guest_pa);
-
- if ((shdw_reg == NULL) ||
- (shdw_reg->host_type == SHDW_REGION_INVALID) ||
- (shdw_reg->host_type == SHDW_REGION_FULL_HOOK)){
+ if (shdw_reg == NULL) {
+ PrintError("In GPA->HPA: Could not find address in shadow map (addr=%p) (NULL REGION)\n",
+ (void *)guest_pa);
+ return -1;
+ }
+
+ if ((shdw_reg->host_type == SHDW_REGION_INVALID) ||
+ (shdw_reg->host_type == SHDW_REGION_FULL_HOOK)) {
PrintError("In GPA->HPA: Could not find address in shadow map (addr=%p) (reg_type=%s)\n",
(void *)guest_pa, v3_shdw_region_type_to_str(shdw_reg->host_type));
return -1;
}
+
+ *host_pa = v3_get_shadow_addr(shdw_reg, guest_pa);
return 0;
}
v3_init_hypercall_map(info);
-
- if (v3_cpu_type == V3_SVM_REV3_CPU) {
+ if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
+ (config_ptr->enable_nested_paging == 1)) {
+ PrintDebug("Guest Page Mode: NESTED_PAGING\n");
info->shdw_pg_mode = NESTED_PAGING;
} else {
+ PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
v3_init_shadow_page_state(info);
info->shdw_pg_mode = SHADOW_PAGING;
}
*dst_reg = *shadow_cr0;
}
- PrintDebug("returned CR0: %p\n", (void *)*dst_reg);
+ PrintDebug("returned CR0: %p\n", (void *)*(addr_t *)dst_reg);
} else {
struct cr0_32 * dst_reg = (struct cr0_32 *)(dec_instr.dst_operand.operand);
#include <palacios/vm_guest_mem.h>
#include <palacios/vm_guest.h>
+
+#ifndef DEBUG_NESTED_PAGING
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
+#endif
+
+
static addr_t create_generic_pt_page() {
void * page = 0;
page = V3_VAddr(V3_AllocPages(1));
int v3_handle_passthrough_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code) {
v3_vm_cpu_mode_t mode = v3_get_cpu_mode(info);
-
+
switch(mode) {
case REAL:
case PROTECTED:
}
return -1;
}
+
+
+
+int v3_handle_nested_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code) {
+ // THIS IS VERY BAD
+ v3_vm_cpu_mode_t mode = LONG;
+
+
+ PrintDebug("Nested PageFault: fault_addr=%p, error_code=%u\n",(void*)fault_addr, *(uint_t *)&error_code);
+
+ switch(mode) {
+ case REAL:
+ case PROTECTED:
+ return handle_passthrough_pagefault_32(info, fault_addr, error_code);
+
+ case PROTECTED_PAE:
+ return handle_passthrough_pagefault_32pae(info, fault_addr, error_code);
+
+ case LONG:
+ case LONG_32_COMPAT:
+ return handle_passthrough_pagefault_64(info, fault_addr, error_code);
+
+ default:
+ PrintError("Unknown CPU Mode\n");
+ break;
+ }
+ return -1;
+}
+
addr_t fault_addr,
pf_error_t error_code) {
// Check to see if pde and pte exist (create them if not)
- pde32_t * pde = CR3_TO_PDE32_VA(info->ctrl_regs.cr3);
+ pde32_t * pde = NULL;
pte32_t * pte = NULL;
addr_t host_addr = 0;
host_addr = v3_get_shadow_addr(region, fault_addr);
+ // Lookup the correct PDE address based on the PAGING MODE
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ pde = CR3_TO_PDE32_VA(info->ctrl_regs.cr3);
+ } else {
+ pde = CR3_TO_PDE32_VA(info->direct_map_pt);
+ }
+
+
// Fix up the PDE entry
if (pde[pde_index].present == 0) {
pte = (pte32_t *)create_generic_pt_page();
static inline int handle_passthrough_pagefault_32pae(struct guest_info * info,
addr_t fault_addr,
pf_error_t error_code) {
- pdpe32pae_t * pdpe = CR3_TO_PDPE32PAE_VA(info->ctrl_regs.cr3);
+ pdpe32pae_t * pdpe = NULL;
pde32pae_t * pde = NULL;
pte32pae_t * pte = NULL;
addr_t host_addr = 0;
host_addr = v3_get_shadow_addr(region, fault_addr);
+ // Lookup the correct PDPE address based on the PAGING MODE
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ pdpe = CR3_TO_PDPE32PAE_VA(info->ctrl_regs.cr3);
+ } else {
+ pdpe = CR3_TO_PDPE32PAE_VA(info->direct_map_pt);
+ }
+
// Fix up the PDPE entry
if (pdpe[pdpe_index].present == 0) {
pde = (pde32pae_t *)create_generic_pt_page();
#include <palacios/vm_guest.h>
+
static inline int handle_passthrough_pagefault_64(struct guest_info * info,
addr_t fault_addr,
pf_error_t error_code) {
- pml4e64_t * pml = CR3_TO_PML4E64_VA(info->ctrl_regs.cr3);
- pdpe64_t * pdpe = NULL;
- pde64_t * pde = NULL;
- pte64_t * pte = NULL;
- addr_t host_addr = 0;
-
- int pml_index = PML4E64_INDEX(fault_addr);
- int pdpe_index = PDPE64_INDEX(fault_addr);
- int pde_index = PDE64_INDEX(fault_addr);
- int pte_index = PTE64_INDEX(fault_addr);
-
- struct v3_shadow_region * region = v3_get_shadow_region(info, fault_addr);
-
- if ((region == NULL) ||
- (region->host_type == SHDW_REGION_INVALID)) {
- PrintError("Invalid region in passthrough page fault 64, addr=%p\n",
- (void *)fault_addr);
- return -1;
- }
-
- host_addr = v3_get_shadow_addr(region, fault_addr);
-
- //Fix up the PML entry
- if (pml[pml_index].present == 0) {
- pdpe = (pdpe64_t *)create_generic_pt_page();
-
- pml[pml_index].present = 1;
- // Set default PML Flags...
- pml[pml_index].pdp_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pdpe));
- } else {
- pdpe = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pml[pml_index].pdp_base_addr));
- }
-
- // Fix up the PDPE entry
- if (pdpe[pdpe_index].present == 0) {
- pde = (pde64_t *)create_generic_pt_page();
-
- pdpe[pdpe_index].present = 1;
- // Set default PDPE Flags...
- pdpe[pdpe_index].pd_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pde));
- } else {
- pde = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pdpe[pdpe_index].pd_base_addr));
- }
+ pml4e64_t * pml = NULL;
+ pdpe64_t * pdpe = NULL;
+ pde64_t * pde = NULL;
+ pte64_t * pte = NULL;
+ addr_t host_addr = 0;
+ int pml_index = PML4E64_INDEX(fault_addr);
+ int pdpe_index = PDPE64_INDEX(fault_addr);
+ int pde_index = PDE64_INDEX(fault_addr);
+ int pte_index = PTE64_INDEX(fault_addr);
- // Fix up the PDE entry
- if (pde[pde_index].present == 0) {
- pte = (pte64_t *)create_generic_pt_page();
- pde[pde_index].present = 1;
- pde[pde_index].writable = 1;
- pde[pde_index].user_page = 1;
+
- pde[pde_index].pt_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pte));
- } else {
- pte = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pde[pde_index].pt_base_addr));
- }
+ struct v3_shadow_region * region = v3_get_shadow_region(info, fault_addr);
+
+ if ((region == NULL) ||
+ (region->host_type == SHDW_REGION_INVALID)) {
+ PrintError("Invalid region in passthrough page fault 64, addr=%p\n",
+ (void *)fault_addr);
+ return -1;
+ }
+ host_addr = v3_get_shadow_addr(region, fault_addr);
+ //
- // Fix up the PTE entry
- if (pte[pte_index].present == 0) {
- pte[pte_index].user_page = 1;
+ // Lookup the correct PML address based on the PAGING MODE
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ pml = CR3_TO_PML4E64_VA(info->ctrl_regs.cr3);
+ } else {
+ pml = CR3_TO_PML4E64_VA(info->direct_map_pt);
+ }
- if (region->host_type == SHDW_REGION_ALLOCATED) {
- // Full access
- pte[pte_index].present = 1;
- pte[pte_index].writable = 1;
+ //Fix up the PML entry
+ if (pml[pml_index].present == 0) {
+ pdpe = (pdpe64_t *)create_generic_pt_page();
+
+ // Set default PML Flags...
+ pml[pml_index].present = 1;
+ pml[pml_index].writable = 1;
+ pml[pml_index].user_page = 1;
- pte[pte_index].page_base_addr = PAGE_BASE_ADDR(host_addr);
+ pml[pml_index].pdp_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pdpe));
+ } else {
+ pdpe = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pml[pml_index].pdp_base_addr));
+ }
- } else if (region->host_type == SHDW_REGION_WRITE_HOOK) {
- // Only trap writes
- pte[pte_index].present = 1;
- pte[pte_index].writable = 0;
+ // Fix up the PDPE entry
+ if (pdpe[pdpe_index].present == 0) {
+ pde = (pde64_t *)create_generic_pt_page();
+
+ // Set default PDPE Flags...
+ pdpe[pdpe_index].present = 1;
+ pdpe[pdpe_index].writable = 1;
+ pdpe[pdpe_index].user_page = 1;
- pte[pte_index].page_base_addr = PAGE_BASE_ADDR(host_addr);
+ pdpe[pdpe_index].pd_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pde));
+ } else {
+ pde = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pdpe[pdpe_index].pd_base_addr));
+ }
- } else if (region->host_type == SHDW_REGION_FULL_HOOK) {
- // trap all accesses
- return v3_handle_mem_full_hook(info, fault_addr, fault_addr, region, error_code);
+ // Fix up the PDE entry
+ if (pde[pde_index].present == 0) {
+ pte = (pte64_t *)create_generic_pt_page();
+
+ pde[pde_index].present = 1;
+ pde[pde_index].writable = 1;
+ pde[pde_index].user_page = 1;
+
+ pde[pde_index].pt_base_addr = PAGE_BASE_ADDR((addr_t)V3_PAddr(pte));
} else {
- PrintError("Unknown Region Type...\n");
- return -1;
+ pte = V3_VAddr((void*)BASE_TO_PAGE_ADDR(pde[pde_index].pt_base_addr));
+ }
+
+
+ // Fix up the PTE entry
+ if (pte[pte_index].present == 0) {
+ pte[pte_index].user_page = 1;
+
+ if (region->host_type == SHDW_REGION_ALLOCATED) {
+ // Full access
+ pte[pte_index].present = 1;
+ pte[pte_index].writable = 1;
+
+ pte[pte_index].page_base_addr = PAGE_BASE_ADDR(host_addr);
+
+ } else if (region->host_type == SHDW_REGION_WRITE_HOOK) {
+ // Only trap writes
+ pte[pte_index].present = 1;
+ pte[pte_index].writable = 0;
+
+ pte[pte_index].page_base_addr = PAGE_BASE_ADDR(host_addr);
+
+ } else if (region->host_type == SHDW_REGION_FULL_HOOK) {
+ // trap all accesses
+ return v3_handle_mem_full_hook(info, fault_addr, fault_addr, region, error_code);
+
+ } else {
+ PrintError("Unknown Region Type...\n");
+ return -1;
+ }
}
- }
- if ( (region->host_type == SHDW_REGION_WRITE_HOOK) &&
- (error_code.write == 1) ) {
- return v3_handle_mem_wr_hook(info, fault_addr, fault_addr, region, error_code);
- }
+ if ( (region->host_type == SHDW_REGION_WRITE_HOOK) &&
+ (error_code.write == 1) ) {
+ return v3_handle_mem_wr_hook(info, fault_addr, fault_addr, region, error_code);
+ }
- return 0;
+ return 0;
}
PrintDebug("Emulating XCHG write\n");
if (dec_instr->src_operand.type == MEM_OPERAND) {
- if (dec_instr->src_operand.operand != write_gva) {
- PrintError("XCHG: Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
- (void *)dec_instr->src_operand.operand, (void *)write_gva);
- return -1;
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ if (dec_instr->src_operand.operand != write_gva) {
+ PrintError("XCHG: Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
+ (void *)dec_instr->src_operand.operand, (void *)write_gva);
+ return -1;
+ }
}
-
+
src_addr = dst_addr;
} else if (dec_instr->src_operand.type == REG_OPERAND) {
src_addr = dec_instr->src_operand.operand;
if (dec_instr->dst_operand.type == MEM_OPERAND) {
- if (dec_instr->dst_operand.operand != write_gva) {
- PrintError("XCHG: Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
- (void *)dec_instr->dst_operand.operand, (void *)write_gva);
- return -1;
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ if (dec_instr->dst_operand.operand != write_gva) {
+ PrintError("XCHG: Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
+ (void *)dec_instr->dst_operand.operand, (void *)write_gva);
+ return -1;
+ }
+ } else {
+ //check that the operand (GVA) maps to the the faulting GPA
}
-
+
em_dst_addr = dst_addr;
} else if (dec_instr->src_operand.type == REG_OPERAND) {
em_dst_addr = dec_instr->src_operand.operand;
} else {
em_dst_addr = (addr_t)&(dec_instr->src_operand.operand);
}
-
+
dst_op_len = dec_instr->dst_operand.size;
src_op_len = dec_instr->src_operand.size;
-
+
PrintDebug("Dst_Addr = %p, SRC operand = %p\n",
(void *)dst_addr, (void *)src_addr);
-
-
+
+
if (run_op(info, dec_instr->op_type, src_addr, em_dst_addr, src_op_len, dst_op_len) == -1) {
PrintError("Instruction Emulation Failed\n");
return -1;
}
-
+
if (write_fn(write_gpa, (void *)dst_addr, dst_op_len, priv_data) != dst_op_len) {
PrintError("Did not fully write hooked data\n");
return -1;
}
-
+
info->rip += dec_instr->instr_length;
-
+
return dst_op_len;
}
-
+
static int emulate_xchg_read_op(struct guest_info * info, struct x86_instr * dec_instr,
if (dec_instr->dst_operand.type == MEM_OPERAND) {
- if (dec_instr->dst_operand.operand != read_gva) {
- PrintError("XCHG: Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
- (void *)dec_instr->dst_operand.operand, (void *)read_gva);
- return -1;
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ if (dec_instr->dst_operand.operand != read_gva) {
+ PrintError("XCHG: Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
+ (void *)dec_instr->dst_operand.operand, (void *)read_gva);
+ return -1;
+ }
+ } else {
+ //check that the operand (GVA) maps to the the faulting GPA
}
-
+
em_dst_addr = src_addr;
} else if (dec_instr->src_operand.type == REG_OPERAND) {
em_dst_addr = dec_instr->src_operand.operand;
}
-
- if ((dec_instr.dst_operand.type != MEM_OPERAND) ||
- (dec_instr.dst_operand.operand != write_gva)) {
- PrintError("Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
- (void *)dec_instr.dst_operand.operand, (void *)write_gva);
- return -1;
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ if ((dec_instr.dst_operand.type != MEM_OPERAND) ||
+ (dec_instr.dst_operand.operand != write_gva)) {
+ PrintError("Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
+ (void *)dec_instr.dst_operand.operand, (void *)write_gva);
+ return -1;
+ }
+ } else {
+ //check that the operand (GVA) maps to the the faulting GPA
}
return emulate_xchg_read_op(info, &dec_instr, read_gva, read_gpa, src_addr, read_fn, write_fn, priv_data);
}
-
- if ((dec_instr.src_operand.type != MEM_OPERAND) ||
- (dec_instr.src_operand.operand != read_gva)) {
- PrintError("Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
- (void *)dec_instr.src_operand.operand, (void *)read_gva);
- return -1;
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ if ((dec_instr.src_operand.type != MEM_OPERAND) ||
+ (dec_instr.src_operand.operand != read_gva)) {
+ PrintError("Inconsistency between Pagefault and Instruction Decode XED_ADDR=%p, PF_ADDR=%p\n",
+ (void *)dec_instr.src_operand.operand, (void *)read_gva);
+ return -1;
+ }
+ } else {
+ //check that the operand (GVA) maps to the the faulting GPA
}
-
if (dec_instr.dst_operand.type == MEM_OPERAND) {
if (info->mem_mode == PHYSICAL_MEM) {
if (guest_pa_to_host_va(info, dec_instr.dst_operand.operand, &dst_addr) == -1) {
--- /dev/null
+/*
+ * 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 <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#include <palacios/vmm_excp.h>
+#include <palacios/vmm.h>
+#include <palacios/vmm_types.h>
+
+void v3_init_exception_state(struct guest_info * info) {
+ info->excp_state.excp_pending = 0;
+ info->excp_state.excp_num = 0;
+ info->excp_state.excp_error_code = 0;
+
+}
+
+
+
+int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code) {
+ struct v3_excp_state * excp_state = &(info->excp_state);
+
+ if (excp_state->excp_pending == 0) {
+ excp_state->excp_pending = 1;
+ excp_state->excp_num = excp;
+ excp_state->excp_error_code = error_code;
+ excp_state->excp_error_code_valid = 1;
+ // PrintDebug("[v3_raise_exception_with_error] error code: %x\n", error_code);
+ } else {
+ PrintError("exception already pending, currently not implemented\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+int v3_raise_exception(struct guest_info * info, uint_t excp) {
+ struct v3_excp_state * excp_state = &(info->excp_state);
+ //PrintDebug("[v3_raise_exception]\n");
+ if (excp_state->excp_pending == 0) {
+ excp_state->excp_pending = 1;
+ excp_state->excp_num = excp;
+ excp_state->excp_error_code = 0;
+ excp_state->excp_error_code_valid = 0;
+ } else {
+ PrintError("exception already pending, currently not implemented\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+int v3_excp_pending(struct guest_info * info) {
+ struct v3_excp_state * excp_state = &(info->excp_state);
+
+ if (excp_state->excp_pending == 1) {
+ return 1;
+ }
+
+ return 0;
+}
+
+
+int v3_get_excp_number(struct guest_info * info) {
+ struct v3_excp_state * excp_state = &(info->excp_state);
+
+ if (excp_state->excp_pending == 1) {
+ return excp_state->excp_num;
+ }
+
+ return 0;
+}
+
+
+int v3_injecting_excp(struct guest_info * info, uint_t excp) {
+ struct v3_excp_state * excp_state = &(info->excp_state);
+
+ excp_state->excp_pending = 0;
+ excp_state->excp_num = 0;
+ excp_state->excp_error_code = 0;
+ excp_state->excp_error_code_valid = 0;
+
+ return 0;
+}
void v3_init_interrupt_state(struct guest_info * info) {
- info->intr_state.excp_pending = 0;
- info->intr_state.excp_num = 0;
- info->intr_state.excp_error_code = 0;
info->intr_state.irq_pending = 0;
info->intr_state.irq_vector = 0;
-
INIT_LIST_HEAD(&(info->intr_state.controller_list));
memset((uchar_t *)(info->intr_state.hooks), 0, sizeof(struct v3_irq_hook *) * 256);
-int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code) {
- struct v3_intr_state * intr_state = &(info->intr_state);
-
- if (intr_state->excp_pending == 0) {
- intr_state->excp_pending = 1;
- intr_state->excp_num = excp;
- intr_state->excp_error_code = error_code;
- intr_state->excp_error_code_valid = 1;
- // PrintDebug("[v3_raise_exception_with_error] error code: %x\n", error_code);
- } else {
- PrintError("exception already pending, currently not implemented\n");
- return -1;
- }
-
- return 0;
-}
-
-int v3_raise_exception(struct guest_info * info, uint_t excp) {
- struct v3_intr_state * intr_state = &(info->intr_state);
- //PrintDebug("[v3_raise_exception]\n");
- if (intr_state->excp_pending == 0) {
- intr_state->excp_pending = 1;
- intr_state->excp_num = excp;
- intr_state->excp_error_code = 0;
- intr_state->excp_error_code_valid = 0;
- } else {
- PrintError("exception already pending, currently not implemented\n");
- return -1;
- }
-
- return 0;
-}
-
int v3_lower_irq(struct guest_info * info, int irq) {
struct intr_controller * ctrl = NULL;
int v3_intr_pending(struct guest_info * info) {
struct v3_intr_state * intr_state = &(info->intr_state);
-
+ struct intr_controller * ctrl = NULL;
// PrintDebug("[intr_pending]\n");
- if (intr_state->excp_pending == 1) {
- return 1;
- } else {
- struct intr_controller * ctrl = NULL;
- list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) {
- if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) {
- return 1;
- }
+ list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) {
+ if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) {
+ return 1;
}
}
+
return 0;
}
uint_t v3_get_intr_number(struct guest_info * info) {
struct v3_intr_state * intr_state = &(info->intr_state);
+ struct intr_controller * ctrl = NULL;
- if (intr_state->excp_pending == 1) {
- return intr_state->excp_num;
- } else {
- struct intr_controller * ctrl = NULL;
-
- list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) {
- if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data)) {
- uint_t intr_num = ctrl->ctrl_ops->get_intr_number(ctrl->priv_data);
-
- // PrintDebug("[get_intr_number] intr_number = %d\n", intr_num);
-
- return intr_num;
- }
+ list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) {
+ if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data)) {
+ uint_t intr_num = ctrl->ctrl_ops->get_intr_number(ctrl->priv_data);
+
+ // PrintDebug("[get_intr_number] intr_number = %d\n", intr_num);
+
+ return intr_num;
}
}
-
return 0;
}
intr_type_t v3_get_intr_type(struct guest_info * info) {
struct v3_intr_state * intr_state = &(info->intr_state);
+ struct intr_controller * ctrl = NULL;
- if (intr_state->excp_pending) {
- // PrintDebug("[get_intr_type] Exception\n");
- return EXCEPTION;
- } else {
- struct intr_controller * ctrl = NULL;
-
- list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) {
- if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) {
- //PrintDebug("[get_intr_type] External_irq\n");
- return EXTERNAL_IRQ;
- }
+ list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) {
+ if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) {
+ //PrintDebug("[get_intr_type] External_irq\n");
+ return EXTERNAL_IRQ;
}
}
int v3_injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type) {
struct v3_intr_state * intr_state = &(info->intr_state);
- if (type == EXCEPTION) {
- // PrintDebug("[injecting_intr] Exception\n");
- intr_state->excp_pending = 0;
- intr_state->excp_num = 0;
- intr_state->excp_error_code = 0;
- intr_state->excp_error_code_valid = 0;
-
- } else if (type == EXTERNAL_IRQ) {
+ if (type == EXTERNAL_IRQ) {
struct intr_controller * ctrl = NULL;
// PrintDebug("[injecting_intr] External_Irq with intr_num = %x\n", intr_num);
(reg->host_type != SHDW_REGION_INVALID) ) {
return (guest_addr - reg->guest_start) + reg->host_addr;
} else {
- PrintError("MEM Region Invalid\n");
+ PrintDebug("MEM Region Invalid\n");
return 0;
}
}
insert_event(info, evt);
}
+
- evt->handler_time = (evt->handler_time * .99) + (time * .01);
+ evt->handler_time = (evt->handler_time * 127ull + time) / 128;
evt->exit_count++;
int addr_width = v3_get_addr_width(info);;
// struct v3_segment * seg_reg;
- PrintDebug("Xen mode = %s\n", xed_machine_mode_enum_t2str(xed_state_get_machine_mode(info->decoder_state)));
+ PrintDebug("Xed mode = %s\n", xed_machine_mode_enum_t2str(xed_state_get_machine_mode(info->decoder_state)));
PrintDebug("Address width: %s\n",
xed_address_width_enum_t2str(xed_state_get_address_width(info->decoder_state)));
PrintDebug("Stack Address width: %s\n",
