fedora core 6 1.2949 + vserver 2.2.0

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

diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
index 7d4118e..1bbf161 100644 (file)
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@@ -20,7 +20,6 @@
 #ifdef __KERNEL__
 
 #include <asm/ptrace.h>
-#include <asm/procinfo.h>
 #include <asm/types.h>
 
 union debug_insn {
@@ -49,6 +48,12 @@ 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;                     \
@@ -65,6 +70,7 @@ 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 */
@@ -85,9 +91,11 @@ unsigned long get_wchan(struct task_struct *p);
  */
 extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 
-#define KSTK_REGS(tsk) (((struct pt_regs *)(THREAD_START_SP + (unsigned long)(tsk)->thread_info)) - 1)
-#define KSTK_EIP(tsk)  KSTK_REGS(tsk)->ARM_pc
-#define KSTK_ESP(tsk)  KSTK_REGS(tsk)->ARM_sp
+#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.
@@ -95,14 +103,14 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 #if __LINUX_ARM_ARCH__ >= 5
 
 #define ARCH_HAS_PREFETCH
-#define prefetch(ptr)                          \
-       ({                                      \
-               __asm__ __volatile__(           \
-               "pld\t%0"                       \
-               :                               \
-               : "o" (*(char *)(ptr))          \
-               : "cc");                        \
-       })
+static inline void prefetch(const void *ptr)
+{
+       __asm__ __volatile__(
+               "pld\t%0"
+               :
+               : "o" (*(char *)ptr)
+               : "cc");
+}
 
 #define ARCH_HAS_PREFETCHW
 #define prefetchw(ptr) prefetch(ptr)