added initial memory hook support, still need decoder

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

diff --git a/palacios/src/palacios/vmm_ctrl_regs.c b/palacios/src/palacios/vmm_ctrl_regs.c
index 8f7f6fc..fba6004 100644 (file)
--- a/palacios/src/palacios/vmm_ctrl_regs.c
+++ b/palacios/src/palacios/vmm_ctrl_regs.c
@@ -106,7 +106,8 @@ int handle_cr0_write(struct guest_info * info) {
     } else if ((instr[index] == cr_access_byte) && 
               (instr[index + 1] == clts_byte)) {
       // CLTS
-
+      PrintDebug("CLTS unhandled\n");
+      return -1;
 
     } else if ((instr[index] == cr_access_byte) && 
               (instr[index + 1] = mov_to_cr_byte)) {
@@ -449,6 +450,8 @@ int handle_cr3_write(struct guest_info * info) {
        struct cr3_32 * shadow_cr3 = (struct cr3_32 *)&(info->shdw_pg_state.shadow_cr3);
        struct cr3_32 * guest_cr3 = (struct cr3_32 *)&(info->shdw_pg_state.guest_cr3);
 
+       /* Delete the current Page Tables */
+       delete_page_tables_pde32((pde32_t *)CR3_TO_PDE32(shadow_cr3));
 
        *guest_cr3 = *new_cr3;
 
@@ -456,6 +459,7 @@ int handle_cr3_write(struct guest_info * info) {
        shadow_pt =  create_new_shadow_pt32(info);
        //shadow_pt = setup_shadow_pt32(info, CR3_TO_PDE32(*(addr_t *)new_cr3));
 
+
        /* Copy Various flags */
        *shadow_cr3 = *new_cr3;