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authorPaul Mackerras <paulus@samba.org>2005-10-10 22:29:05 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-10 22:29:05 +1000
commit06d67d54741a5bfefa31945ef195dfa748c29025 (patch)
treeee47a8b2f86d927c930da5120659c086f9b5dc55 /arch/powerpc/kernel/init_task.c
parentdaec962e27490be4fae9ab5a51d0c17f6e638715 (diff)
powerpc: make process.c suitable for both 32-bit and 64-bit
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/init_task.c')
-rw-r--r--arch/powerpc/kernel/init_task.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/init_task.c b/arch/powerpc/kernel/init_task.c
new file mode 100644
index 00000000000..941043ae040
--- /dev/null
+++ b/arch/powerpc/kernel/init_task.c
@@ -0,0 +1,36 @@
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/init_task.h>
+#include <linux/fs.h>
+#include <linux/mqueue.h>
+#include <asm/uaccess.h>
+
+static struct fs_struct init_fs = INIT_FS;
+static struct files_struct init_files = INIT_FILES;
+static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
+static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
+struct mm_struct init_mm = INIT_MM(init_mm);
+
+EXPORT_SYMBOL(init_mm);
+
+/*
+ * Initial thread structure.
+ *
+ * We need to make sure that this is 16384-byte aligned due to the
+ * way process stacks are handled. This is done by having a special
+ * "init_task" linker map entry..
+ */
+union thread_union init_thread_union
+ __attribute__((__section__(".data.init_task"))) =
+ { INIT_THREAD_INFO(init_task) };
+
+/*
+ * Initial task structure.
+ *
+ * All other task structs will be allocated on slabs in fork.c
+ */
+struct task_struct init_task = INIT_TASK(init_task);
+
+EXPORT_SYMBOL(init_task);