Merge branch 'master' into upstream

[linux-2.6] / include / asm-arm / processor.h

diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
index 4a9845997a75b861dce954441f57c1c8dbc09e7c..04f4d34c63170736e9f6301f63a3b666c06f6303 100644 (file)
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@@ -23,8 +23,6 @@
 #include <asm/procinfo.h>
 #include <asm/types.h>
 
-#define KERNEL_STACK_SIZE      PAGE_SIZE
-
 union debug_insn {
        u32     arm;
        u16     thumb;
@@ -51,6 +49,12 @@ struct thread_struct {
 
 #define INIT_THREAD  { }
 
+#ifdef CONFIG_MMU
+#define nommu_start_thread(regs) do { } while (0)
+#else
+#define nommu_start_thread(regs) regs->ARM_r10 = current->mm->start_data
+#endif
+
 #define start_thread(regs,pc,sp)                                       \
 ({                                                                     \
        unsigned long *stack = (unsigned long *)sp;                     \
@@ -67,6 +71,7 @@ struct thread_struct {
        regs->ARM_r2 = stack[2];        /* r2 (envp) */                 \
        regs->ARM_r1 = stack[1];        /* r1 (argv) */                 \
        regs->ARM_r0 = stack[0];        /* r0 (argc) */                 \
+       nommu_start_thread(regs);                                       \
 })
 
 /* Forward declaration, a strange C thing */
@@ -87,8 +92,11 @@ unsigned long get_wchan(struct task_struct *p);
  */
 extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 
-#define KSTK_EIP(tsk)  (((unsigned long *)(4096+(unsigned long)(tsk)->thread_info))[1019])
-#define KSTK_ESP(tsk)  (((unsigned long *)(4096+(unsigned long)(tsk)->thread_info))[1017])
+#define task_pt_regs(p) \
+       ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1)
+
+#define KSTK_EIP(tsk)  task_pt_regs(tsk)->ARM_pc
+#define KSTK_ESP(tsk)  task_pt_regs(tsk)->ARM_sp
 
 /*
  * Prefetching support - only ARMv5.