Changeset 67b152e in mainline

Timestamp:

2012-11-09T20:12:05Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

57355a40

Parents:

0aae87a6

Message:

Define default size for userspace stacks.

Location:

kernel/generic

Files:

• include/config.h (modified) (1 diff)
• src/main/kinit.c (modified) (1 diff)
• src/proc/program.c (modified) (2 diffs)

kernel/generic/include/config.h

@@ -44 +44 @@
 #define STACK_FRAMES  TWO_FRAMES
 #define STACK_SIZE    ((1 << STACK_FRAMES) << PAGE_WIDTH)
+
+#define STACK_SIZE_USER ((1 << STACK_FRAMES) * 1024 * 1024)
 
 #define CONFIG_INIT_TASKS        32

kernel/generic/src/main/kinit.c

@@ -176 +176 @@
          * stack with this default size.
          */
-        sysinfo_set_item_val("default.stack_size", NULL, STACK_SIZE);
+        sysinfo_set_item_val("default.stack_size", NULL, STACK_SIZE_USER);
         
         interrupts_enable();

kernel/generic/src/proc/program.c

@@ -82 +82 @@
         as_area_t *area = as_area_create(as,
             AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE | AS_AREA_GUARD |
-            AS_AREA_LATE_RESERVE, STACK_SIZE, AS_AREA_ATTR_NONE, &anon_backend,
-            NULL, &virt, 0);
+            AS_AREA_LATE_RESERVE, STACK_SIZE_USER, AS_AREA_ATTR_NONE,
+            &anon_backend, NULL, &virt, 0);
         if (!area) {
                 task_destroy(prg->task);
@@ -94 +94 @@
         kernel_uarg->uspace_entry = (void *) entry_addr;
         kernel_uarg->uspace_stack = (void *) virt;
-        kernel_uarg->uspace_stack_size = STACK_SIZE;
+        kernel_uarg->uspace_stack_size = STACK_SIZE_USER;
         kernel_uarg->uspace_thread_function = NULL;
         kernel_uarg->uspace_thread_arg = NULL;