sh: __addr_ok() and other misc nommu fixups.

A few more outstanding nommu fixups..

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

6 files changed, 20 insertions, 17 deletions

diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 9034704..e5f4437 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -22,9 +22,9 @@ CONFIG_PAGE_OFFSET	?= 0x80000000
 CONFIG_MEMORY_START     ?= 0x0c000000
 CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
 
-IMAGE_OFFSET	:= $(shell printf "0x%8x" $$[$(CONFIG_PAGE_OFFSET)  + \
-					     $(CONFIG_MEMORY_START) + \
-					     $(CONFIG_BOOT_LINK_OFFSET)])
+IMAGE_OFFSET	:= $(shell printf "0x%08x" $$[$(CONFIG_PAGE_OFFSET)  + \
+					      $(CONFIG_MEMORY_START) + \
+					      $(CONFIG_BOOT_LINK_OFFSET)])
 
 LIBGCC	:= $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 4a32550..c4aa687 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -302,9 +302,11 @@ ubc_set_tracing(int asid, unsigned long pc)
 {
 	ctrl_outl(pc, UBC_BARA);
 
+#ifdef CONFIG_MMU
 	/* We don't have any ASID settings for the SH-2! */
 	if (cpu_data->type != CPU_SH7604)
 		ctrl_outb(asid, UBC_BASRA);
+#endif
 
 	ctrl_outl(0, UBC_BAMRA);
 
@@ -347,6 +349,7 @@ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *ne
 	}
 #endif
 
+#ifdef CONFIG_MMU
 	/*
 	 * Restore the kernel mode register
 	 *   	k7 (r7_bank1)
@@ -354,19 +357,21 @@ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *ne
 	asm volatile("ldc	%0, r7_bank"
 		     : /* no output */
 		     : "r" (task_thread_info(next)));
+#endif
 
-#ifdef CONFIG_MMU
 	/* If no tasks are using the UBC, we're done */
 	if (ubc_usercnt == 0)
 		/* If no tasks are using the UBC, we're done */;
 	else if (next->thread.ubc_pc && next->mm) {
-		ubc_set_tracing(next->mm->context & MMU_CONTEXT_ASID_MASK,
-				next->thread.ubc_pc);
+		int asid = 0;
+#ifdef CONFIG_MMU
+		asid |= next->mm->context & MMU_CONTEXT_ASID_MASK;
+#endif
+		ubc_set_tracing(asid, next->thread.ubc_pc);
 	} else {
 		ctrl_outw(0, UBC_BBRA);
 		ctrl_outw(0, UBC_BBRB);
 	}
-#endif
 
 	return prev;
 }
diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index 7f3a422..bf59d73 100644
--- a/arch/sh/kernel/sh_ksyms.c
+++ b/arch/sh/kernel/sh_ksyms.c
@@ -79,20 +79,18 @@ EXPORT_SYMBOL(strcpy);
 DECLARE_EXPORT(__movstr_i4_even);
 DECLARE_EXPORT(__movstr_i4_odd);
 DECLARE_EXPORT(__movstrSI12_i4);
+#endif
 
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
 /* needed by some modules */
 EXPORT_SYMBOL(flush_cache_all);
 EXPORT_SYMBOL(flush_cache_range);
 EXPORT_SYMBOL(flush_dcache_page);
 EXPORT_SYMBOL(__flush_purge_region);
-EXPORT_SYMBOL(clear_user_page);
 #endif
 
-#if defined(CONFIG_SH7705_CACHE_32KB)
-EXPORT_SYMBOL(flush_cache_all);
-EXPORT_SYMBOL(flush_cache_range);
-EXPORT_SYMBOL(flush_dcache_page);
-EXPORT_SYMBOL(__flush_purge_region);
+#ifdef CONFIG_MMU
+EXPORT_SYMBOL(clear_user_page);
 #endif
 
 EXPORT_SYMBOL(flush_tlb_page);
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index d8bcd8a..0ee7bf4 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -44,7 +44,7 @@ asmlinkage int sys_pipe(unsigned long r4, unsigned long r5,
 	return error;
 }
 
-#if defined(HAVE_ARCH_UNMAPPED_AREA)
+#if defined(HAVE_ARCH_UNMAPPED_AREA) && defined(CONFIG_MMU)
 /*
  * To avoid cache alias, we map the shard page with same color.
  */
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index f25903a..bed697c 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -194,7 +194,7 @@ config MEMORY_SIZE
 
 config 32BIT
 	bool "Support 32-bit physical addressing through PMB"
-	depends on CPU_SH4A
+	depends on CPU_SH4A && MMU
 	default y
 	help
 	  If you say Y here, physical addressing will be extended to
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 87a7c072..da37d86 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -6,7 +6,7 @@ obj-y			:= init.o extable.o consistent.o
 
 obj-$(CONFIG_CPU_SH2)	+= cache-sh2.o
 obj-$(CONFIG_CPU_SH3)	+= cache-sh3.o
-obj-$(CONFIG_CPU_SH4)	+= cache-sh4.o pg-sh4.o
+obj-$(CONFIG_CPU_SH4)	+= cache-sh4.o
 
 obj-$(CONFIG_DMA_PAGE_OPS)	+= pg-dma.o
 obj-$(CONFIG_HUGETLB_PAGE)	+= hugetlbpage.o
@@ -19,7 +19,7 @@ obj-y			+= $(mmu-y)
 
 ifdef CONFIG_MMU
 obj-$(CONFIG_CPU_SH3)		+= tlb-sh3.o
-obj-$(CONFIG_CPU_SH4)		+= tlb-sh4.o
+obj-$(CONFIG_CPU_SH4)		+= tlb-sh4.o pg-sh4.o
 obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh7705.o
 endif