additions for syscall hijacking

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

diff --git a/palacios/src/palacios/svm_handler.c b/palacios/src/palacios/svm_handler.c
index 7016197..62fe695 100644 (file)
--- a/palacios/src/palacios/svm_handler.c
+++ b/palacios/src/palacios/svm_handler.c
@@ -33,6 +33,7 @@
 #include <palacios/vmm_hypercall.h>
 #include <palacios/vmm_cpuid.h>
 #include <palacios/vmm_direct_paging.h>
+#include <palacios/vmm_syscall_hijack.h>
 
 #ifndef CONFIG_DEBUG_SVM
 #undef PrintDebug
@@ -193,6 +194,26 @@ int v3_handle_svm_exit(struct guest_info * info, addr_t exit_code, addr_t exit_i
                    }
            break;
            }
+#ifdef CONFIG_SYSCALL_HIJACK
+    case VMEXIT_IDTR_WRITE: // KCH: syscall interposition
+#ifdef CONFIG_DEBUG_SYSCALL_HIJACK
+        PrintDebug("IDTR Write\n");
+#endif
+        if (v3_handle_idtr_write(info) == -1) {
+            PrintError("Error handling IDTR write\n");
+            return -1;
+        }
+        break;
+    case VMEXIT_SWINT:
+#ifdef CONFIG_DEBUG_SYSCALL_HIJACK
+        PrintDebug("Intercepting SW Interrupt\n");
+#endif
+        if (v3_handle_swint(info) == -1) {
+            PrintError("Error handling software interrupt\n");
+            return -1;
+        }
+        break;
+#endif
        case VMEXIT_INVLPG: 
            if (info->shdw_pg_mode == SHADOW_PAGING) {
 #ifdef CONFIG_DEBUG_SHADOW_PAGING