Changeset 587 for trunk/hal/generic/hal_exception.h

Timestamp:

Nov 1, 2018, 12:39:27 PM (5 years ago)

Author:

alain

Message:

Modify the GPT (Generic Page Table) API to support remote accesses,
in order to improve page faults and COW handling.

File:

• trunk/hal/generic/hal_exception.h (modified) (2 diffs)

trunk/hal/generic/hal_exception.h

@@ -35 +35 @@
 //   => The hal_do_exception() function call the generic vmm_handle_page_fault(),
 //      or the fpu_handle_exception() function, and the calling thread resumes execution
-//      when the exception has been handled.
+//      when the exception can be  sucessfully handled.
 //
 // - USER_ERROR : exceptions such a "illegal vaddr" or "illegal write access" are fatal.
@@ -51 +51 @@
 
 /*****************************************************************************************
+ * This enum defines the global exception types after analysis by the exception handler.
+ ****************************************************************************************/
+
+typedef enum
+{
+    EXCP_NON_FATAL,
+    EXCP_USER_ERROR,
+    EXCP_KERNEL_PANIC,
+}
+exception_handling_type_t;
+
+
+/*****************************************************************************************
  * This function is called by the hal_kentry() function when an exception is detected by
  * the hardware for a given thread running on a given core.