#include <palacios/vmx.h>
-#include <palacios/vmcs.h>
#include <palacios/vmm.h>
#include <palacios/vmx_lowlevel.h>
#include <palacios/vmm_lowlevel.h>
-#include <palacios/vmm_config.h>
#include <palacios/vmm_ctrl_regs.h>
+#include <palacios/vmm_config.h>
#include <palacios/vm_guest_mem.h>
#include <palacios/vmm_direct_paging.h>
#include <palacios/vmx_io.h>
access->granularity = v3_seg->granularity;
}
-static int update_vmcs_ctrl_fields(struct guest_info * info) {
+int v3_update_vmcs_ctrl_fields(struct guest_info * info) {
int vmx_ret = 0;
struct vmx_data * arch_data = (struct vmx_data *)(info->vmm_data);
vmx_ret |= check_vmcs_write(VMCS_EXIT_CTRLS, arch_data->exit_ctrls);
vmx_ret |= check_vmcs_write(VMCS_ENTRY_CTRLS, arch_data->entry_ctrls);
- vmx_ret |= check_vmcs_write(VMCS_EXCP_BITMAP, arch_data->excp_bitmap);
return vmx_ret;
}
-static int update_vmcs_host_state(struct guest_info * info) {
+int v3_update_vmcs_host_state(struct guest_info * info) {
int vmx_ret = 0;
addr_t tmp;
struct vmx_data * arch_data = (struct vmx_data *)(info->vmm_data);
}
-static int inline update_vmcs_guest_state(struct guest_info * info)
+int v3_update_vmcs_guest_state(struct guest_info * info)
{
- struct v3_msr tmp_msr;
int vmx_ret = 0;
vmx_ret |= check_vmcs_write(VMCS_GUEST_RIP, info->rip);
vmx_ret |= check_vmcs_write(VMCS_GUEST_CR4, info->ctrl_regs.cr4);
vmx_ret |= check_vmcs_write(VMCS_GUEST_RFLAGS, info->ctrl_regs.rflags);
-#define DEBUGCTL_MSR 0x1d9
-
- v3_get_msr(DEBUGCTL_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
- vmx_ret |= check_vmcs_write(VMCS_GUEST_DBG_CTL, tmp_msr.value);
- vmx_ret |= check_vmcs_write(VMCS_GUEST_DR7, 0x400);
-
- vmx_ret |= check_vmcs_write(VMCS_LINK_PTR, 0xffffffffffffffff);
/*** Write VMCS Segments ***/
vmx_ret |= check_vmcs_write(VMCS_GUEST_CS_ACCESS, access.value);
/* SS Segment */
+ memset(&access, 0, sizeof(access));
translate_segment_access(&(info->segments.ss), &access);
vmx_ret |= check_vmcs_write(VMCS_GUEST_SS_BASE, info->segments.ss.base);
vmx_ret |= check_vmcs_write(VMCS_GUEST_SS_ACCESS, access.value);
/* DS Segment */
+ memset(&access, 0, sizeof(access));
translate_segment_access(&(info->segments.ds), &access);
vmx_ret |= check_vmcs_write(VMCS_GUEST_DS_BASE, info->segments.ds.base);
/* ES Segment */
+ memset(&access, 0, sizeof(access));
translate_segment_access(&(info->segments.es), &access);
vmx_ret |= check_vmcs_write(VMCS_GUEST_ES_BASE, info->segments.es.base);
vmx_ret |= check_vmcs_write(VMCS_GUEST_ES_ACCESS, access.value);
/* FS Segment */
+ memset(&access, 0, sizeof(access));
translate_segment_access(&(info->segments.fs), &access);
vmx_ret |= check_vmcs_write(VMCS_GUEST_FS_BASE, info->segments.fs.base);
vmx_ret |= check_vmcs_write(VMCS_GUEST_FS_ACCESS, access.value);
/* GS Segment */
+ memset(&access, 0, sizeof(access));
translate_segment_access(&(info->segments.gs), &access);
vmx_ret |= check_vmcs_write(VMCS_GUEST_GS_BASE, info->segments.gs.base);
vmx_ret |= check_vmcs_write(VMCS_GUEST_GS_ACCESS, access.value);
/* LDTR segment */
+ memset(&access, 0, sizeof(access));
translate_segment_access(&(info->segments.ldtr), &access);
vmx_ret |= check_vmcs_write(VMCS_GUEST_LDTR_BASE, info->segments.ldtr.base);
vmx_ret |= check_vmcs_write(VMCS_GUEST_LDTR_ACCESS, access.value);
/* TR Segment */
+ memset(&access, 0, sizeof(access));
translate_segment_access(&(info->segments.tr), &access);
vmx_ret |= check_vmcs_write(VMCS_GUEST_TR_BASE, info->segments.tr.base);
return (addr_t)V3_PAddr((void *)vmcs_page);
}
-#if 0
-static void setup_v8086_mode_for_boot(struct guest_info * vm_info)
-{
-
- ((struct vmx_data *)vm_info->vmm_data)->state = VMXASSIST_V8086_BIOS;
- struct rflags * flags = (struct rflags *)&(vm_info->ctrl_regs.rflags);
- flags->rsvd1 = 1;
- flags->vm = 1;
- flags->iopl = 3;
-
-#define GUEST_CR0_MASK 0x80000021
-#define GUEST_CR4_MASK 0x00002000
- vm_info->ctrl_regs.cr0 = GUEST_CR0_MASK;
- vm_info->ctrl_regs.cr4 = GUEST_CR4_MASK;
-
- vm_info->rip = 0xd0000;
- vm_info->vm_regs.rsp = 0x80000;
-
- vm_info->segments.cs.selector = 0xf000;
- vm_info->segments.cs.base = 0xf000 << 4;
- vm_info->segments.cs.limit = 0xffff;
- vm_info->segments.cs.type = 3;
- vm_info->segments.cs.system = 1;
- vm_info->segments.cs.dpl = 3;
- vm_info->segments.cs.present = 1;
- vm_info->segments.cs.granularity = 0;
-
- int i = 0;
- struct v3_segment * seg_ptr = (struct v3_segment *)&(vm_info->segments);
-
- /* Set values for selectors ds through ss */
- for(i = 1; i < 6 ; i++) {
- seg_ptr[i].selector = 0x0000;
- seg_ptr[i].base = 0x00000;
- seg_ptr[i].limit = 0xffff;
- }
-
- for(i = 6; i < 10; i++) {
- seg_ptr[i].base = 0x0;
- seg_ptr[i].limit = 0xffff;
- }
-
- vm_info->segments.ldtr.selector = 0x0;
- vm_info->segments.ldtr.type = 2;
- vm_info->segments.ldtr.system = 0;
- vm_info->segments.ldtr.present = 1;
- vm_info->segments.ldtr.granularity = 0;
-
- vm_info->segments.tr.selector = 0x0;
- vm_info->segments.tr.type = 3;
- vm_info->segments.tr.system = 0;
- vm_info->segments.tr.present = 1;
- vm_info->segments.tr.granularity = 0;
-}
-#endif
-
-#if 0
-static int init_vmcs_bios(struct guest_info * vm_info)
-{
-#if 0
-
- setup_v8086_mode_for_boot(vm_info);
-
-
- // Setup guest state
- // TODO: This is not 32-bit safe!
- vmx_ret |= check_vmcs_write(VMCS_GUEST_RIP, vm_info->rip);
- vmx_ret |= check_vmcs_write(VMCS_GUEST_RSP, vm_info->vm_regs.rsp);
-
-
- vmx_ret |= check_vmcs_write(VMCS_GUEST_CR0, vm_info->ctrl_regs.cr0);
- vmx_ret |= check_vmcs_write(VMCS_GUEST_CR4, vm_info->ctrl_regs.cr4);
-
- vmx_ret |= vmcs_write_guest_segments(vm_info);
-
- vmx_ret |= check_vmcs_write(VMCS_GUEST_RFLAGS, vm_info->ctrl_regs.rflags);
-#define DEBUGCTL_MSR 0x1d9
-
- v3_get_msr(DEBUGCTL_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
- vmx_ret |= check_vmcs_write(VMCS_GUEST_DBG_CTL, tmp_msr.value);
-
- vmx_ret |= check_vmcs_write(VMCS_GUEST_DR7, 0x400);
-
- vmx_ret |= check_vmcs_write(VMCS_LINK_PTR, 0xffffffffffffffff);
-
- if (vmx_ret != 0) {
- PrintError("Could not initialize VMCS segments\n");
- return -1;
- }
-
-#endif
- return 0;
-}
-#endif
static int init_vmx_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
v3_pre_config_guest(info, config_ptr);
/********** Setup and VMX Control Fields from MSR ***********/
+ /* Setup IO map */
+ (void) v3_init_vmx_io_map(info);
+ (void) v3_init_vmx_msr_map(info);
+
struct v3_msr tmp_msr;
v3_get_msr(VMX_PINBASED_CTLS_MSR,&(tmp_msr.hi),&(tmp_msr.lo));
vmx_data->pinbased_ctrls = tmp_msr.lo | NMI_EXIT;
v3_get_msr(VMX_PROCBASED_CTLS_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
- vmx_data->pri_procbased_ctrls = tmp_msr.lo;
+
+ PrintDebug("MSR High: 0x%x\n", tmp_msr.hi);
+ vmx_data->pri_procbased_ctrls = tmp_msr.lo | USE_IO_BITMAPS ;
+
+ vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_A_ADDR, (addr_t)V3_PAddr(info->io_map.arch_data));
+ vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_B_ADDR,
+ (addr_t)V3_PAddr(info->io_map.arch_data) + PAGE_SIZE_4KB);
+
+ vmx_ret |= check_vmcs_write(VMCS_MSR_BITMAP, (addr_t)V3_PAddr(info->msr_map.arch_data));
v3_get_msr(VMX_EXIT_CTLS_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
- vmx_data->exit_ctrls = tmp_msr.lo | HOST_ADDR_SPACE_SIZE;
+ vmx_data->exit_ctrls = tmp_msr.lo ;
v3_get_msr(VMX_ENTRY_CTLS_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
vmx_data->entry_ctrls = tmp_msr.lo;
- vmx_data->excp_bitmap = 0xffffffff;
-
+ struct vmx_exception_bitmap excp_bmap;
+ excp_bmap.value = 0xffffffff;
+ excp_bmap.gp = 0;
+ vmx_ret |= check_vmcs_write(VMCS_EXCP_BITMAP, excp_bmap.value);
/******* Setup VMXAssist guest state ***********/
/* Print Control MSRs */
v3_get_msr(VMX_CR0_FIXED0_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
- PrintDebug("CR0 MSR: %p\n", (void*)tmp_msr.value);
+ PrintDebug("CR0 MSR: %p\n", (void *)(addr_t)tmp_msr.value);
v3_get_msr(VMX_CR4_FIXED0_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
- PrintDebug("CR4 MSR: %p\n", (void*)tmp_msr.value);
+ PrintDebug("CR4 MSR: %p\n", (void *)(addr_t)tmp_msr.value);
#define GUEST_CR0 0x80000031
return -1;
}
- info->shdw_pg_state.guest_cr0 = 0x10LL;
+ info->shdw_pg_state.guest_cr0 = CR0_PE;
PrintDebug("Created\n");
- vmx_ret |= check_vmcs_write(VMCS_CR0_MASK, 0xffffffffffffffffLL);
- vmx_ret |= check_vmcs_write(VMCS_CR4_MASK, 0xffffffffffffffffLL);
+ vmx_ret |= check_vmcs_write(VMCS_CR0_MASK, (CR0_PE | CR0_PG) );
+ vmx_ret |= check_vmcs_write(VMCS_CR0_READ_SHDW, info->shdw_pg_state.guest_cr0);
+ vmx_ret |= check_vmcs_write(VMCS_CR4_MASK, CR4_VMXE);
info->ctrl_regs.cr3 = info->direct_map_pt;
- /* Add unconditional I/O and CR exits */
- vmx_data->pri_procbased_ctrls |= UNCOND_IO_EXIT |
- CR3_LOAD_EXIT |
- CR3_STORE_EXIT;
+ // vmx_data->pinbased_ctrls |= NMI_EXIT;
+
+ /* Add CR exits */
+ vmx_data->pri_procbased_ctrls |= CR3_LOAD_EXIT
+ | CR3_STORE_EXIT;
+ vmx_data->exit_ctrls |= HOST_ADDR_SPACE_SIZE;
}
struct v3_segment * seg_reg = (struct v3_segment *)&(info->segments);
info->segments.ldtr.present = 1;
info->segments.ldtr.granularity = 0;
- /* Setup IO map */
- (void) v3_init_vmx_io_map(info);
- (void) v3_init_vmx_msr_map(info);
-
+
/************* Map in GDT and vmxassist *************/
uint64_t gdt[] __attribute__ ((aligned(32))) = {
0x0000000000000000ULL, /* 0x00: reserved */
0x0000830000000000ULL, /* 0x08: 32-bit TSS */
- // 0x0000890000000000ULL, /* 0x08: 32-bit TSS */
+ //0x0000890000000000ULL, /* 0x08: 32-bit TSS */
0x00CF9b000000FFFFULL, /* 0x10: CS 32-bit */
0x00CF93000000FFFFULL, /* 0x18: DS 32-bit */
0x000082000000FFFFULL, /* 0x20: LDTR 32-bit */
info->segments.gdtr.base = VMXASSIST_GDT;
#define VMXASSIST_TSS 0x40000
- addr_t vmxassist_tss = VMXASSIST_TSS;
+ uint64_t vmxassist_tss = VMXASSIST_TSS;
gdt[0x08 / sizeof(gdt[0])] |=
- ((vmxassist_tss & 0xFF000000) << (56-24)) |
- ((vmxassist_tss & 0x00FF0000) << (32-16)) |
+ ((vmxassist_tss & 0xFF000000) << (56 - 24)) |
+ ((vmxassist_tss & 0x00FF0000) << (32 - 16)) |
((vmxassist_tss & 0x0000FFFF) << (16)) |
(8392 - 1);
info->segments.tr.selector = 0x08;
info->segments.tr.base = vmxassist_tss;
- // info->segments.tr.type = 0x9;
+ //info->segments.tr.type = 0x9;
info->segments.tr.type = 0x3;
info->segments.tr.system = 0;
info->segments.tr.present = 1;
memcpy((void*)vmxassist_dst, v3_vmxassist_start, v3_vmxassist_end - v3_vmxassist_start);
/*** Write all the info to the VMCS ***/
- if(update_vmcs_ctrl_fields(info)) {
+
+#define DEBUGCTL_MSR 0x1d9
+ v3_get_msr(DEBUGCTL_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
+ vmx_ret |= check_vmcs_write(VMCS_GUEST_DBG_CTL, tmp_msr.value);
+
+ vmx_ret |= check_vmcs_write(VMCS_GUEST_DR7, 0x400);
+
+ vmx_ret |= check_vmcs_write(VMCS_LINK_PTR, (addr_t)0xffffffffffffffffULL);
+
+ if(v3_update_vmcs_ctrl_fields(info)) {
PrintError("Could not write control fields!\n");
return -1;
}
- if(update_vmcs_host_state(info)) {
+ if(v3_update_vmcs_host_state(info)) {
PrintError("Could not write host state\n");
return -1;
}
- if(update_vmcs_guest_state(info) != VMX_SUCCESS) {
+ if(v3_update_vmcs_guest_state(info) != VMX_SUCCESS) {
PrintError("Writing guest state failed!\n");
return -1;
}
v3_print_vmcs();
+ vmx_data->state = VMXASSIST_DISABLED;
v3_post_config_guest(info, config_ptr);
if (ecx & CPUID_1_ECX_VTXFLAG) {
v3_get_msr(VMX_FEATURE_CONTROL_MSR, &(feature_msr.hi), &(feature_msr.lo));
- PrintTrace("MSRREGlow: 0x%.8x\n", feature_msr.lo);
+ PrintDebug("MSRREGlow: 0x%.8x\n", feature_msr.lo);
if ((feature_msr.lo & FEATURE_CONTROL_VALID) != FEATURE_CONTROL_VALID) {
PrintDebug("VMX is locked -- enable in the BIOS\n");