Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Succesful transition to vmxassist, then to the bios, where it dies in keyboard init.
[palacios.git] / palacios / src / palacios / vmx.c
index 9a1ed31..ed3fe92 100644 (file)
@@ -25,8 +25,8 @@
 #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>
@@ -62,7 +62,7 @@ static void inline translate_segment_access(struct v3_segment * v3_seg,
     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);
 
@@ -75,12 +75,11 @@ static int update_vmcs_ctrl_fields(struct guest_info * info) {
 
     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);
@@ -184,9 +183,8 @@ static int update_vmcs_host_state(struct guest_info * info) {
 }
 
 
-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);
@@ -198,14 +196,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
     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 ***/
@@ -222,6 +213,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
     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);
@@ -230,6 +222,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
     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);
@@ -239,6 +232,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
 
 
     /* 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);
@@ -247,6 +241,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
     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);
@@ -255,6 +250,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
     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);
@@ -263,6 +259,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
     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);
@@ -271,6 +268,7 @@ static int inline update_vmcs_guest_state(struct guest_info * info)
     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);
@@ -358,59 +356,7 @@ static addr_t allocate_vmcs()
 }
 
 #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
@@ -556,13 +502,14 @@ static int init_vmx_guest(struct guest_info * info, struct v3_vm_config * config
     vmx_data->pri_procbased_ctrls = tmp_msr.lo;
 
     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;
+    vmx_ret |= check_vmcs_write(VMCS_EXCP_BITMAP, excp_bmap.value);
 
 
     /******* Setup VMXAssist guest state ***********/
@@ -594,19 +541,23 @@ static int init_vmx_guest(struct guest_info * info, struct v3_vm_config * config
             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;
 
+        // vmx_data->pinbased_ctrls |= NMI_EXIT;
+
         /* Add unconditional I/O and CR exits */
-        vmx_data->pri_procbased_ctrls |= UNCOND_IO_EXIT  |
-                                         CR3_LOAD_EXIT   |
-                                         CR3_STORE_EXIT;  
+        vmx_data->pri_procbased_ctrls |= UNCOND_IO_EXIT  
+                                        | CR3_LOAD_EXIT  
+                                        | CR3_STORE_EXIT;
  
+        vmx_data->exit_ctrls |= HOST_ADDR_SPACE_SIZE;
     }
 
     struct v3_segment * seg_reg = (struct v3_segment *)&(info->segments);
@@ -647,7 +598,7 @@ static int init_vmx_guest(struct guest_info * info, struct v3_vm_config * config
     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 */
@@ -674,7 +625,7 @@ static int init_vmx_guest(struct guest_info * info, struct v3_vm_config * config
     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;
@@ -693,24 +644,34 @@ static int init_vmx_guest(struct guest_info * info, struct v3_vm_config * config
     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, 0xffffffffffffffff);
+    
+    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_STARTUP;
 
     v3_post_config_guest(info, config_ptr);