aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorYoshinori Sato <ysato@users.sourceforge.jp>2006-09-27 17:25:07 +0900
committerPaul Mundt <lethal@linux-sh.org>2006-09-27 17:25:07 +0900
commita2d1a5fae6296c2a3ac1aaa982c95464c46c0585 (patch)
treefa704906d368f6ab0f03b164d5071992a4029a9a /arch
parent0b8929354cdeddb17e81bfda903812c9adfd0b67 (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/boot/compressed/Makefile6
-rw-r--r--arch/sh/kernel/process.c13
-rw-r--r--arch/sh/kernel/sh_ksyms.c10
-rw-r--r--arch/sh/kernel/sys_sh.c2
-rw-r--r--arch/sh/mm/Kconfig2
-rw-r--r--arch/sh/mm/Makefile4
6 files changed, 20 insertions, 17 deletions
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 903470429cb..e5f44379007 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 4a32550fd7c..c4aa687ba26 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 7f3a42244ca..bf59d73415d 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 d8bcd8a2232..0ee7bf4cb23 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 f25903aa607..bed697c0dc1 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 87a7c07265c..da37d86e65e 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