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-rw-r--r--arch/xtensa/include/asm/cacheflush.h24
-rw-r--r--arch/xtensa/include/asm/processor.h8
-rw-r--r--arch/xtensa/include/asm/ptrace.h2
3 files changed, 13 insertions, 21 deletions
diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h
index 38bcecb0e457..a2b6bb5429f5 100644
--- a/arch/xtensa/include/asm/cacheflush.h
+++ b/arch/xtensa/include/asm/cacheflush.h
@@ -100,6 +100,10 @@ void flush_cache_range(struct vm_area_struct*, ulong, ulong);
void flush_icache_range(unsigned long start, unsigned long end);
void flush_cache_page(struct vm_area_struct*,
unsigned long, unsigned long);
+#define flush_cache_all flush_cache_all
+#define flush_cache_range flush_cache_range
+#define flush_icache_range flush_icache_range
+#define flush_cache_page flush_cache_page
#else
#define flush_cache_all local_flush_cache_all
#define flush_cache_range local_flush_cache_range
@@ -136,20 +140,7 @@ void local_flush_cache_page(struct vm_area_struct *vma,
#else
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-
-#define flush_cache_vmap(start,end) do { } while (0)
-#define flush_cache_vmap_early(start,end) do { } while (0)
-#define flush_cache_vunmap(start,end) do { } while (0)
-
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page) do { } while (0)
-
#define flush_icache_range local_flush_icache_range
-#define flush_cache_page(vma, addr, pfn) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
#endif
@@ -162,15 +153,14 @@ void local_flush_cache_page(struct vm_area_struct *vma,
__invalidate_icache_range(start,(end) - (start)); \
} while (0)
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-
#if defined(CONFIG_MMU) && (DCACHE_WAY_SIZE > PAGE_SIZE)
extern void copy_to_user_page(struct vm_area_struct*, struct page*,
unsigned long, void*, const void*, unsigned long);
extern void copy_from_user_page(struct vm_area_struct*, struct page*,
unsigned long, void*, const void*, unsigned long);
+#define copy_to_user_page copy_to_user_page
+#define copy_from_user_page copy_from_user_page
#else
@@ -186,4 +176,6 @@ extern void copy_from_user_page(struct vm_area_struct*, struct page*,
#endif
+#include <asm-generic/cacheflush.h>
+
#endif /* _XTENSA_CACHEFLUSH_H */
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index d008a153a2b9..7ed1a2085bd7 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -115,9 +115,9 @@
#define MAKE_RA_FOR_CALL(ra,ws) (((ra) & 0x3fffffff) | (ws) << 30)
/* Convert return address to a valid pc
- * Note: We assume that the stack pointer is in the same 1GB ranges as the ra
+ * Note: 'text' is the address within the same 1GB range as the ra
*/
-#define MAKE_PC_FROM_RA(ra,sp) (((ra) & 0x3fffffff) | ((sp) & 0xc0000000))
+#define MAKE_PC_FROM_RA(ra, text) (((ra) & 0x3fffffff) | ((unsigned long)(text) & 0xc0000000))
#elif defined(__XTENSA_CALL0_ABI__)
@@ -127,9 +127,9 @@
#define MAKE_RA_FOR_CALL(ra, ws) (ra)
/* Convert return address to a valid pc
- * Note: We assume that the stack pointer is in the same 1GB ranges as the ra
+ * Note: 'text' is not used as 'ra' is always the full address
*/
-#define MAKE_PC_FROM_RA(ra, sp) (ra)
+#define MAKE_PC_FROM_RA(ra, text) (ra)
#else
#error Unsupported Xtensa ABI
diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index a270467556dc..86c70117371b 100644
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -87,7 +87,7 @@ struct pt_regs {
# define user_mode(regs) (((regs)->ps & 0x00000020)!=0)
# define instruction_pointer(regs) ((regs)->pc)
# define return_pointer(regs) (MAKE_PC_FROM_RA((regs)->areg[0], \
- (regs)->areg[1]))
+ (regs)->pc))
# ifndef CONFIG_SMP
# define profile_pc(regs) instruction_pointer(regs)