Changeset 9f52563 in mainline for generic/include

Timestamp:

2006-03-17T01:34:36Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

8a0b0669

Parents:

5fceec7

Message:

Support for user space threads.

Location:

generic/include

Files:

• ipc/ipc.h (modified) (1 diff)
• proc/thread.h (modified) (5 diffs)
• syscall/syscall.h (modified) (1 diff)
• userspace.h (modified) (1 diff)

generic/include/ipc/ipc.h

@@ -79 +79 @@
  *
  * The protocol for negotiating is:
- * - sys_connecttome - sends a message IPC_M_CONNECTTOME
+ * - sys_connect_to_me - sends a message IPC_M_CONNECTTOME
  * - sys_wait_for_call - upon receipt tries to allocate new phone
  *                       - if it fails, responds with ELIMIT

generic/include/proc/thread.h

@@ -44 +44 @@
 #define THREAD_STACK_SIZE       STACK_SIZE
 
-#define THREAD_USER_STACK       1
-
 enum state {
         Invalid,        /**< It is an error, if thread is found in this state. */
@@ -60 +58 @@
 #define X_STOLEN        (1<<1)
 
+#define THREAD_NAME_BUFLEN      20
+
 /** Thread structure. There is one per thread. */
 struct thread {
-        char *name;
-        
         link_t rq_link;                         /**< Run queue link. */
         link_t wq_link;                         /**< Wait queue link. */
@@ -76 +74 @@
          */
         SPINLOCK_DECLARE(lock);
+
+        char name[THREAD_NAME_BUFLEN];
 
         void (* thread_code)(void *);           /**< Function implementing the thread. */
@@ -118 +118 @@
 };
 
+/** Structure passed to uinit kernel thread as argument. */
+typedef struct uspace_arg {
+        __address uspace_entry;
+        __address uspace_stack;
+} uspace_arg_t;
+
 /** Thread list lock.
  *
@@ -140 +146 @@
 extern void thread_destroy(thread_t *t);
 
-
 /* Fpu context slab cache */
 extern slab_cache_t *fpu_context_slab;
 
+/** Thread syscall prototypes. */
+__native sys_thread_create(__address function, void *arg, void *stack, char *name);
+__native sys_thread_exit(int status);
+
 #endif

generic/include/syscall/syscall.h

@@ -31 +31 @@
 
 typedef enum {
-        SYS_CTL = 0,
-        SYS_IO,
+        SYS_IO = 0,
+        SYS_THREAD_CREATE,
+        SYS_THREAD_EXIT,
         SYS_MMAP,
         SYS_MREMAP,

generic/include/userspace.h

@@ -30 +30 @@
 #define __USERSPACE_H__
 
+#include <proc/thread.h>
 #include <arch/types.h>
 
-extern void userspace(__address entry) __attribute__ ((noreturn)); /**< Switch to user-space (CPU user priviledge level) */
+/** Switch to user-space (CPU user priviledge level) */
+extern void userspace(uspace_arg_t *uarg) __attribute__ ((noreturn)); 
 
 #endif