Changeset 085d973 in mainline for generic/src/proc/thread.c

Timestamp:

2006-02-08T12:34:05Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

5e3757d

Parents:

eb1b8b6

Message:

Cleanup o frame allocator.
Removed early_malloc & initial heap.
Will break ia64, ppc & sparc.
Added e820 table print.

File:

• generic/src/proc/thread.c (modified) (8 diffs)

generic/src/proc/thread.c

@@ -30 +30 @@
 #include <proc/thread.h>
 #include <proc/task.h>
-#include <mm/heap.h>
 #include <mm/frame.h>
 #include <mm/page.h>
@@ -96 +95 @@
 {
         thread_t *t = (thread_t *)obj;
+        pfn_t pfn;
 
         spinlock_initialize(&t->lock, "thread_t_lock");
@@ -103 +103 @@
         link_initialize(&t->threads_link);
         
-        t->kstack = (__u8 *)frame_alloc(ONE_FRAME, FRAME_KA | kmflags);
+        pfn = frame_alloc(ONE_FRAME, FRAME_KA | kmflags);
+        t->kstack = (__u8 *)PA2KA(PFN2ADDR(pfn));
         if (!t->kstack)
                 return -1;
@@ -115 +116 @@
         thread_t *t = (thread_t *)obj;
 
-        frame_free((__address) t->kstack);
+        frame_free(ADDR2PFN(KA2PA(t->kstack)));
         return 1; /* One page freed */
 }
@@ -194 +195 @@
         spinlock_unlock(&t->cpu->lock);
 
-        if (t->ustack)
-                frame_free((__address) t->ustack);
-        
         /*
          * Detach from the containing task.
@@ -229 +227 @@
 {
         thread_t *t;
-        __address frame_us = NULL;
 
         t = (thread_t *) slab_alloc(thread_slab, 0);
@@ -235 +232 @@
                 ipl_t ipl;
         
-                if (THREAD_USER_STACK & flags) {
-                        frame_us = frame_alloc(ONE_FRAME, FRAME_KA);
-                }
-
                 /* Not needed, but good for debugging */
                 memsetb((__address)t->kstack, THREAD_STACK_SIZE, 0);
@@ -247 +240 @@
                 spinlock_unlock(&tidlock);
                 interrupts_restore(ipl);
-                
-                t->ustack = (__u8 *) frame_us;
                 
                 context_save(&t->saved_context);