added debugging

[palacios.git] / palacios / src / palacios / vmm_mem.c

diff --git a/palacios/src/palacios/vmm_mem.c b/palacios/src/palacios/vmm_mem.c
index 0f1c004..298d22d 100644 (file)
--- a/palacios/src/palacios/vmm_mem.c
+++ b/palacios/src/palacios/vmm_mem.c
@@ -21,11 +21,11 @@
 #include <palacios/vmm.h>
 #include <palacios/vmm_util.h>
 #include <palacios/vmm_emulator.h>
+#include <palacios/vm_guest.h>
 
 #include <palacios/vmm_shadow_paging.h>
 #include <palacios/vmm_direct_paging.h>
 
-
 #define MEM_OFFSET_HCALL 0x1000
 
 
@@ -35,13 +35,16 @@ struct v3_shadow_region * insert_shadow_region(struct guest_info * info,
 
 
 static int mem_offset_hypercall(struct guest_info * info, uint_t hcall_id, void * private_data) {
+    PrintDebug("V3Vee: Memory offset hypercall (offset=%p)\n", 
+              (void *)(info->mem_map.base_region.host_addr));
+
     info->vm_regs.rbx = info->mem_map.base_region.host_addr;
 
     return 0;
 }
 
 
-void v3_init_shadow_map(struct guest_info * info) {
+int v3_init_shadow_map(struct guest_info * info) {
     v3_shdw_map_t * map = &(info->mem_map);
     addr_t mem_pages = info->mem_size >> 12;
 
@@ -56,9 +59,17 @@ void v3_init_shadow_map(struct guest_info * info) {
     map->base_region.host_type = SHDW_REGION_ALLOCATED;
     map->base_region.host_addr = (addr_t)V3_AllocPages(mem_pages);
 
+
+    if ((void *)map->base_region.host_addr == NULL) {
+       PrintError("Could not allocate Guest memory\n");
+       return -1;
+    }
+       
     //memset(V3_VAddr((void *)map->base_region.host_addr), 0xffffffff, map->base_region.guest_end);
 
     v3_register_hypercall(info, MEM_OFFSET_HCALL, mem_offset_hypercall, NULL);
+
+    return 0;
 }
 
 void v3_delete_shadow_map(struct guest_info * info) {
@@ -387,7 +398,7 @@ addr_t v3_get_shadow_addr(struct v3_shadow_region * reg, addr_t guest_addr) {
          (reg->host_type != SHDW_REGION_FULL_HOOK)) {
         return (guest_addr - reg->guest_start) + reg->host_addr;
     } else {
-        PrintError("MEM Region Invalid\n");
+       //  PrintError("MEM Region Invalid\n");
         return 0;
     }