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Diffstat (limited to 'arch')
-rw-r--r--arch/m68k/include/asm/flat.h13
-rw-r--r--arch/m68k/include/asm/processor.h15
2 files changed, 11 insertions, 17 deletions
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index f9454b89a51b..00c392b0cabd 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/arch/m68k/include/asm/flat.h
@@ -1,5 +1,5 @@
/*
- * include/asm-m68knommu/flat.h -- uClinux flat-format executables
+ * flat.h -- uClinux flat-format executables
*/
#ifndef __M68KNOMMU_FLAT_H__
@@ -8,8 +8,9 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
-#define flat_get_addr_from_rp(rp, relval, flags, p) get_unaligned(rp)
-#define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val,rp)
+#define flat_get_addr_from_rp(rp, relval, flags, p) \
+ ({ unsigned long __val; __get_user_unaligned(__val, rp); __val; })
+#define flat_put_addr_at_rp(rp, val, relval) __put_user_unaligned(val, rp)
#define flat_get_relocate_addr(rel) (rel)
static inline int flat_set_persistent(unsigned long relval,
@@ -18,4 +19,10 @@ static inline int flat_set_persistent(unsigned long relval,
return 0;
}
+#define FLAT_PLAT_INIT(regs) \
+ do { \
+ if (current->mm) \
+ (regs)->d5 = current->mm->start_data; \
+ } while (0)
+
#endif /* __M68KNOMMU_FLAT_H__ */
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index a6ce2ec8d693..c84a2183b3f0 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -110,7 +110,6 @@ struct thread_struct {
#define setframeformat(_regs) do { } while (0)
#endif
-#ifdef CONFIG_MMU
/*
* Do necessary setup to start up a newly executed thread.
*/
@@ -123,26 +122,14 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
wrusp(usp);
}
+#ifdef CONFIG_MMU
extern int handle_kernel_fault(struct pt_regs *regs);
-
#else
-
-#define start_thread(_regs, _pc, _usp) \
-do { \
- (_regs)->pc = (_pc); \
- setframeformat(_regs); \
- if (current->mm) \
- (_regs)->d5 = current->mm->start_data; \
- (_regs)->sr &= ~0x2000; \
- wrusp(_usp); \
-} while(0)
-
static inline int handle_kernel_fault(struct pt_regs *regs)
{
/* Any fault in kernel is fatal on non-mmu */
return 0;
}
-
#endif
/* Forward declaration, a strange C thing */