update

1 files changed, 15 insertions, 1 deletions

diff --git a/kernel/application.cpp b/kernel/application.cpp
index ed8795b..af31a09 100644
--- a/kernel/application.cpp
+++ b/kernel/application.cpp
@@ -72,6 +72,15 @@ namespace hilbert::kernel::application {
 
   }
 
+  bool app_instance::is_page_owned(uint64_t vaddr) {
+    uint64_t i = ((vaddr / 4096) / 512) / 512;
+    uint64_t j = ((vaddr / 4096) / 512) % 512;
+    uint64_t k = (vaddr / 4096) % 512;
+    return
+      i < 512 && p1s[i] != 0 && p1s[i][j] != 0 &&
+      p1s[i][j][k] != 0 && p1es_to_free_on_exit[i][j][k];
+  }
+
   uint64_t app_instance::get_free_vaddr_pages(uint64_t count) {
     uint64_t start = 0x200000 / 4096;
     uint64_t length = 0;
@@ -129,7 +138,10 @@ namespace hilbert::kernel::application {
     bool executable;
   };
 
-  create_app_result create_app(const vfile::vfile &file, app_instance *&out) {
+  create_app_result create_app(
+    const vfile::vfile &file, app_instance *&out,
+    const vfile::vfile &working_dir
+  ) {
 
     uint8_t magic[16];
     if (file.dir_entry.length < 64)
@@ -259,6 +271,8 @@ namespace hilbert::kernel::application {
     out->saved_regs.rsp = 0x1ff000;
     out->saved_regs.rip = entry_point;
 
+    out->working_dir = working_dir;
+
     return create_app_result::success;
 
   }