stos: hal: Implement HalMmuForkVas()

Signed-off-by: Chloe M. <chloe@mensia.org>
2026-06-22 23:27:04 +00:00
parent cdce5416e2
commit 32a1463b92
2 changed files with 46 additions and 0 deletions
@@ -36,6 +36,19 @@ VOID HalMmuReadVas(MMU_VAS *Result);
 */
 VOID HalMmuWriteVas(MMU_VAS *Vas);

+/*
+ * When starting other cute slut critter processes, we need a fresh
+ * VAS with the lower half gone so that it can be re-populated properly
+ * for user processes.
+ *
+ * This function does not breed the CR3 register and you'll manually
+ * need to do so with HalMmuWriteVas()
+ *
+ * @Old:        Old VAS to fork
+ * @NewResult:  New result is written here
+ */
+ST_STATUS HalMmuForkVas(MMU_VAS *Old, MMU_VAS *NewResult);
+
 /*
 * Map a single page of memory
 *