Changeset 407 for trunk/kernel/mm/vseg.h

Timestamp:

Nov 7, 2017, 3:08:12 PM (7 years ago)

Author:

alain

Message:

First implementation of fork/exec.

File:

• trunk/kernel/mm/vseg.h (modified) (3 diffs)

trunk/kernel/mm/vseg.h

@@ -36 +36 @@
 
 /**********************************************************************************************
- * This enum defines the vseg types
+ * This enum defines the vseg types for an user process.
  *********************************************************************************************/
 
-enum
+typedef enum
 {
-    VSEG_TYPE_CODE   = 0,          /*! executable code        / private / localized          */
-    VSEG_TYPE_DATA   = 1,          /*! initialized data       / public  / distributed        */
-    VSEG_TYPE_HEAP   = 2,          /*! standard malloc        / public  / distributed        */
-    VSEG_TYPE_STACK  = 3,          /*! execution stack        / private / localized          */
-    VSEG_TYPE_ANON   = 4,          /*! anonymous mmap         / public  / localized          */
-    VSEG_TYPE_FILE   = 5,          /*! file mmap              / public  / localized          */
-    VSEG_TYPE_REMOTE = 6,          /*! remote mmap            / public  / localized          */
-    VSEG_TYPE_KCODE  = 7,          /*! kernel code            / private / localized          */
-    VSEG_TYPE_KDATA  = 8,          /*! kernel data            / private / localized          */
-    VSEG_TYPE_KDEV   = 9,          /*! device segment         / public  / localized          */
+    VSEG_TYPE_CODE   = 0,          /*! executable user code   / private / localized          */
+    VSEG_TYPE_DATA   = 1,          /*! initialized user data  / public  / distributed        */
+    VSEG_TYPE_STACK  = 2,          /*! execution user stack   / private / localized          */
+    VSEG_TYPE_ANON   = 3,          /*! anonymous mmap         / public  / localized          */
+    VSEG_TYPE_FILE   = 4,          /*! file mmap              / public  / localized          */
+    VSEG_TYPE_REMOTE = 5,          /*! remote mmap            / public  / localized          */
 
-    VSEG_TYPES_NR    = 10,
-};
+    VSEG_TYPE_KDATA  = 10,
+    VSEG_TYPE_KCODE  = 11,
+    VSEG_TYPE_KDEV   = 12,
+}
+vseg_type_t;
 
 
@@ -81 +80 @@
         vpn_t             vpn_size;     /*! number of pages occupied                             */
         uint32_t          flags;        /*! vseg attributes                                      */
-        xptr_t            mapper_xp;    /*! xptr on remote mapper (for types CODE / DATA / FILE) */
-        intptr_t          file_offset;  /*! vseg offset in file (for types CODE/DATA)            */
+        xptr_t            mapper_xp;    /*! xptr on remote mapper (for types CODE/DATA/FILE)     */
+        intptr_t          file_offset;  /*! vseg offset in file (for types CODE/DATA/FILE        */
     intptr_t          file_size;    /*! max segment size in mapper (for type CODE/DATA)      */
     cxy_t             cxy;          /*! physical mapping (for non distributed vseg)          */ 
@@ -125 +124 @@
  *********************************************************************************************/
 void vseg_init( vseg_t      * vseg,
+                    vseg_type_t   type,
                 intptr_t      base,
-                    intptr_t      size,
+                    uint32_t      size,
                 vpn_t         vpn_base,
                 vpn_t         vpn_size,
-                    uint32_t      type,
+                uint32_t      file_offset,
+                uint32_t      file_size,
+                xptr_t        mapper_xp,
                 cxy_t         cxy );