Changeset 1ea99cc in mainline for uspace/lib/libc/arch/ppc32/src/tls.c

Timestamp:

2009-08-20T20:47:35Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

b50b5af2

Parents:

24edc18

Message:

Merge changes from original Subversion dynload branch.

File:

• uspace/lib/libc/arch/ppc32/src/tls.c (modified) (3 diffs)

uspace/lib/libc/arch/ppc32/src/tls.c

@@ -1 +1 @@
 /*
  * Copyright (c) 2006 Ondrej Palkovsky
+ * Copyright (c) 2008 Jiri Svoboda
  * All rights reserved.
  *
@@ -34 +35 @@
 
 #include <tls.h>
+#include <align.h>
 #include <sys/types.h>
 
@@ -46 +48 @@
 }
 
+static void kputint(unsigned i)
+{
+        asm volatile (
+                "mr %%r3, %0\n"
+                "li %%r9, 32\n"
+                "sc\n"
+                :
+                : "r" (i)
+                : "%r3","%r9"
+        ) ;
+}
+
+typedef struct {
+        unsigned long int ti_module;
+        unsigned long int ti_offset;
+} tls_index;
+
+void *__tls_get_addr(tls_index *ti);
+
+/* ppc32 uses TLS variant 1 */
+void *__tls_get_addr(tls_index *ti)
+{
+        uint8_t *tls;
+
+        /* The TLS section is just after TCB */
+        tls = (uint8_t *)__tcb_get() + sizeof(tcb_t);
+
+        /* Hopefully this is right. No docs found. */
+        return tls + ti->ti_offset + 32768;
+}
+
 /** @}
  */