---

yaml
---
r: 163447
b: refs/heads/master
c: ee8365f
h: refs/heads/master
i:
  163445: 11ee3f5
  163443: 2da4403
  163439: a6adf83
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e174d13010a6bd52045466bc35ca5a86e3f3ba9b
+refs/heads/master: ee8365f23355cdb66e7a6c5c9364e8d3ba4de32f

trunk/arch/sh/include/asm/bugs.h

@@ -21,25 +21,25 @@ static void __init check_bugs(void)
 
 	current_cpu_data.loops_per_jiffy = loops_per_jiffy;
 
-	switch (current_cpu_data.type) {
-	case CPU_SH7619:
+	switch (current_cpu_data.family) {
+	case CPU_FAMILY_SH2:
 		*p++ = '2';
 		break;
-	case CPU_SH7201 ... CPU_MXG:
+	case CPU_FAMILY_SH2A:
 		*p++ = '2';
 		*p++ = 'a';
 		break;
-	case CPU_SH7705 ... CPU_SH7729:
+	case CPU_FAMILY_SH3:
 		*p++ = '3';
 		break;
-	case CPU_SH7750 ... CPU_SH4_501:
+	case CPU_FAMILY_SH4:
 		*p++ = '4';
 		break;
-	case CPU_SH7763 ... CPU_SHX3:
+	case CPU_FAMILY_SH4A:
 		*p++ = '4';
 		*p++ = 'a';
 		break;
-	case CPU_SH7343 ... CPU_SH7366:
+	case CPU_FAMILY_SH4AL_DSP:
 		*p++ = '4';
 		*p++ = 'a';
 		*p++ = 'l';
@@ -48,15 +48,15 @@ static void __init check_bugs(void)
 		*p++ = 's';
 		*p++ = 'p';
 		break;
-	case CPU_SH5_101 ... CPU_SH5_103:
+	case CPU_FAMILY_SH5:
 		*p++ = '6';
 		*p++ = '4';
 		break;
-	case CPU_SH_NONE:
+	case CPU_FAMILY_UNKNOWN:
 		/*
-		 * Specifically use CPU_SH_NONE rather than default:,
-		 * so we're able to have the compiler whine about
-		 * unhandled enumerations.
+		 * Specifically use CPU_FAMILY_UNKNOWN rather than
+		 * default:, so we're able to have the compiler whine
+		 * about unhandled enumerations.
 		 */
 		break;
 	}

trunk/arch/sh/include/asm/cacheflush.h

@@ -3,77 +3,46 @@
 
 #ifdef __KERNEL__
 
-#ifdef CONFIG_CACHE_OFF
-/*
- * Nothing to do when the cache is disabled, initial flush and explicit
- * disabling is handled at CPU init time.
- *
- * See arch/sh/kernel/cpu/init.c:cache_init().
- */
-#define p3_cache_init()				do { } while (0)
-#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_range(vma, start, end)	do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
-#define flush_dcache_page(page)			do { } while (0)
-#define flush_icache_range(start, end)		do { } while (0)
-#define flush_icache_page(vma,pg)		do { } while (0)
-#define flush_dcache_mmap_lock(mapping)		do { } while (0)
-#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
-#define flush_cache_sigtramp(vaddr)		do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
-#define __flush_wback_region(start, size)	do { (void)(start); } while (0)
-#define __flush_purge_region(start, size)	do { (void)(start); } while (0)
-#define __flush_invalidate_region(start, size)	do { (void)(start); } while (0)
-#else
+#include <linux/mm.h>
 #include <cpu/cacheflush.h>
 
-/*
- * Consistent DMA requires that the __flush_xxx() primitives must be set
- * for any of the enabled non-coherent caches (most of the UP CPUs),
- * regardless of PIPT or VIPT cache configurations.
- */
+#define ARCH_HAS_FLUSH_ANON_PAGE
+extern void __flush_anon_page(struct page *page, unsigned long);
 
-/* Flush (write-back only) a region (smaller than a page) */
-extern void __flush_wback_region(void *start, int size);
-/* Flush (write-back & invalidate) a region (smaller than a page) */
-extern void __flush_purge_region(void *start, int size);
-/* Flush (invalidate only) a region (smaller than a page) */
-extern void __flush_invalidate_region(void *start, int size);
-#endif
+static inline void flush_anon_page(struct vm_area_struct *vma,
+				   struct page *page, unsigned long vmaddr)
+{
+	if (boot_cpu_data.dcache.n_aliases && PageAnon(page))
+		__flush_anon_page(page, vmaddr);
+}
 
 #define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
 static inline void flush_kernel_dcache_page(struct page *page)
 {
 	flush_dcache_page(page);
 }
 
-#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_CACHE_OFF)
 extern void copy_to_user_page(struct vm_area_struct *vma,
 	struct page *page, unsigned long vaddr, void *dst, const void *src,
 	unsigned long len);
 
 extern void copy_from_user_page(struct vm_area_struct *vma,
 	struct page *page, unsigned long vaddr, void *dst, const void *src,
 	unsigned long len);
-#else
-#define copy_to_user_page(vma, page, vaddr, dst, src, len)	\
-	do {							\
-		flush_cache_page(vma, vaddr, page_to_pfn(page));\
-		memcpy(dst, src, len);				\
-		flush_icache_user_range(vma, page, vaddr, len);	\
-	} while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len)	\
-	do {							\
-		flush_cache_page(vma, vaddr, page_to_pfn(page));\
-		memcpy(dst, src, len);				\
-	} while (0)
-#endif
 
 #define flush_cache_vmap(start, end)		flush_cache_all()
 #define flush_cache_vunmap(start, end)		flush_cache_all()
 
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+
+void kmap_coherent_init(void);
+void *kmap_coherent(struct page *page, unsigned long addr);
+void kunmap_coherent(void);
+
+#define PG_dcache_dirty	PG_arch_1
+
+void cpu_cache_init(void);
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_CACHEFLUSH_H */

trunk/arch/sh/include/asm/page.h

@@ -50,26 +50,24 @@ extern unsigned long shm_align_mask;
 extern unsigned long max_low_pfn, min_low_pfn;
 extern unsigned long memory_start, memory_end;
 
-extern void clear_page(void *to);
+static inline unsigned long
+pages_do_alias(unsigned long addr1, unsigned long addr2)
+{
+	return (addr1 ^ addr2) & shm_align_mask;
+}
+
+
+#define clear_page(page)	memset((void *)(page), 0, PAGE_SIZE)
 extern void copy_page(void *to, void *from);
 
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
-	(defined(CONFIG_CPU_SH5) || defined(CONFIG_CPU_SH4) || \
-	 defined(CONFIG_SH7705_CACHE_32KB))
 struct page;
 struct vm_area_struct;
-extern void clear_user_page(void *to, unsigned long address, struct page *page);
-extern void copy_user_page(void *to, void *from, unsigned long address,
-			   struct page *page);
-#if defined(CONFIG_CPU_SH4)
+
 extern void copy_user_highpage(struct page *to, struct page *from,
 			       unsigned long vaddr, struct vm_area_struct *vma);
 #define __HAVE_ARCH_COPY_USER_HIGHPAGE
-#endif
-#else
-#define clear_user_page(page, vaddr, pg)	clear_page(page)
-#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
-#endif
+extern void clear_user_highpage(struct page *page, unsigned long vaddr);
+#define clear_user_highpage	clear_user_highpage
 
 /*
  * These are used to make use of C type-checking..

trunk/arch/sh/include/asm/pgtable.h

@@ -36,6 +36,12 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 #define	NEFF_SIGN	(1LL << (NEFF - 1))
 #define	NEFF_MASK	(-1LL << NEFF)
 
+static inline unsigned long long neff_sign_extend(unsigned long val)
+{
+	unsigned long long extended = val;
+	return (extended & NEFF_SIGN) ? (extended | NEFF_MASK) : extended;
+}
+
 #ifdef CONFIG_29BIT
 #define NPHYS		29
 #else
@@ -133,27 +139,25 @@ typedef pte_t *pte_addr_t;
  */
 #define pgtable_cache_init()	do { } while (0)
 
-#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \
-	defined(CONFIG_SH7705_CACHE_32KB))
-struct mm_struct;
-#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
-pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
-#endif
-
 struct vm_area_struct;
-extern void update_mmu_cache(struct vm_area_struct * vma,
-			     unsigned long address, pte_t pte);
+
+extern void __update_cache(struct vm_area_struct *vma,
+			   unsigned long address, pte_t pte);
+extern void __update_tlb(struct vm_area_struct *vma,
+			 unsigned long address, pte_t pte);
+
+static inline void
+update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+	__update_cache(vma, address, pte);
+	__update_tlb(vma, address, pte);
+}
+
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 extern void paging_init(void);
 extern void page_table_range_init(unsigned long start, unsigned long end,
 				  pgd_t *pgd);
 
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_CPU_SH4) && defined(CONFIG_MMU)
-extern void kmap_coherent_init(void);
-#else
-#define kmap_coherent_init()	do { } while (0)
-#endif
-
 /* arch/sh/mm/mmap.c */
 #define HAVE_ARCH_UNMAPPED_AREA
 #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN

trunk/arch/sh/include/asm/processor.h

@@ -44,6 +44,17 @@ enum cpu_type {
 	CPU_SH_NONE
 };
 
+enum cpu_family {
+	CPU_FAMILY_SH2,
+	CPU_FAMILY_SH2A,
+	CPU_FAMILY_SH3,
+	CPU_FAMILY_SH4,
+	CPU_FAMILY_SH4A,
+	CPU_FAMILY_SH4AL_DSP,
+	CPU_FAMILY_SH5,
+	CPU_FAMILY_UNKNOWN,
+};
+
 /*
  * TLB information structure
  *
@@ -61,7 +72,7 @@ struct tlb_info {
 };
 
 struct sh_cpuinfo {
-	unsigned int type;
+	unsigned int type, family;
 	int cut_major, cut_minor;
 	unsigned long loops_per_jiffy;
 	unsigned long asid_cache;

trunk/arch/sh/include/asm/system.h

@@ -14,18 +14,6 @@
 
 #define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
 
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
-#define __icbi()			\
-{					\
-	unsigned long __addr;		\
-	__addr = 0xa8000000;		\
-	__asm__ __volatile__(		\
-		"icbi   %0\n\t"		\
-		: /* no output */	\
-		: "m" (__m(__addr)));	\
-}
-#endif
-
 /*
  * A brief note on ctrl_barrier(), the control register write barrier.
  *
@@ -44,7 +32,7 @@
 #define mb()		__asm__ __volatile__ ("synco": : :"memory")
 #define rmb()		mb()
 #define wmb()		__asm__ __volatile__ ("synco": : :"memory")
-#define ctrl_barrier()	__icbi()
+#define ctrl_barrier()	__icbi(0xa8000000)
 #define read_barrier_depends()	do { } while(0)
 #else
 #define mb()		__asm__ __volatile__ ("": : :"memory")

trunk/arch/sh/include/asm/system_32.h

@@ -63,6 +63,16 @@ do {									\
 #define __restore_dsp(tsk)	do { } while (0)
 #endif
 
+#if defined(CONFIG_CPU_SH4A)
+#define __icbi(addr)	__asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr))
+#else
+#define __icbi(addr)	mb()
+#endif
+
+#define __ocbp(addr)	__asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr))
+#define __ocbi(addr)	__asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr))
+#define __ocbwb(addr)	__asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr))
+
 struct task_struct *__switch_to(struct task_struct *prev,
 				struct task_struct *next);
 
@@ -198,6 +208,11 @@ do {							\
 })
 #endif
 
+static inline reg_size_t register_align(void *val)
+{
+	return (unsigned long)(signed long)val;
+}
+
 int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
 			    struct mem_access *ma);
 

trunk/arch/sh/include/asm/system_64.h

@@ -37,4 +37,14 @@ do {								\
 #define jump_to_uncached()	do { } while (0)
 #define back_to_cached()	do { } while (0)
 
+#define __icbi(addr)	__asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
+#define __ocbp(addr)	__asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
+#define __ocbi(addr)	__asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
+#define __ocbwb(addr)	__asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr))
+
+static inline reg_size_t register_align(void *val)
+{
+	return (unsigned long long)(signed long long)(signed long)val;
+}
+
 #endif /* __ASM_SH_SYSTEM_64_H */

trunk/arch/sh/include/asm/types.h

@@ -11,8 +11,10 @@
 
 #ifdef CONFIG_SUPERH32
 typedef u16 insn_size_t;
+typedef u32 reg_size_t;
 #else
 typedef u32 insn_size_t;
+typedef u64 reg_size_t;
 #endif
 
 #endif /* __ASSEMBLY__ */