explicitly allocate mainstack

rumpkernel · Jun 23, 2015 · 30ec165 · 30ec165
1 parent a4b16b6
commit 30ec165
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/include/bmk-core/core.h b/include/bmk-core/core.h
@@ -40,6 +40,9 @@ int bmk_core_init(unsigned long, unsigned long);
 extern unsigned long bmk_stackpageorder, bmk_stacksize;
 extern unsigned long bmk_pageshift, bmk_pagesize;
 
+void *bmk_mainstackbase;
+unsigned long bmk_mainstacksize;
+
 #define bmk_round_page(_p_) (((_p_) + (bmk_pagesize-1)) & ~(bmk_pagesize-1))
 #define bmk_trunc_page(_p_) ((_p_) & ~(bmk_pagesize-1))
 

diff --git a/lib/libbmk_core/sched.c b/lib/libbmk_core/sched.c
@@ -39,6 +39,9 @@
 #include <bmk-core/string.h>
 #include <bmk-core/sched.h>
 
+void *bmk_mainstackbase;
+unsigned long bmk_mainstacksize;
+
 /*
  * sleep for how long if there's absolutely nothing to do
  * (default 1s)
@@ -668,9 +671,10 @@ bmk_sched_startmain(void (*mainfun)(void *), void *arg)
 
 	bmk_memset(&initthread, 0, sizeof(initthread));
 	bmk_strcpy(initthread.bt_name, "init");
+	stackalloc(&bmk_mainstackbase, &bmk_mainstacksize);
 
 	mainthread = bmk_sched_create("main", NULL, 0,
-	    mainfun, arg, NULL, 0);
+	    mainfun, arg, bmk_mainstackbase, bmk_mainstacksize);
 	if (mainthread == NULL)
 		bmk_platform_halt("failed to create main thread");