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-rw-r--r--arch/blackfin/include/asm/sections.h38
1 files changed, 35 insertions, 3 deletions
diff --git a/arch/blackfin/include/asm/sections.h b/arch/blackfin/include/asm/sections.h
index e7fd0ecd73f..ae4dae1e370 100644
--- a/arch/blackfin/include/asm/sections.h
+++ b/arch/blackfin/include/asm/sections.h
@@ -1,9 +1,6 @@
#ifndef _BLACKFIN_SECTIONS_H
#define _BLACKFIN_SECTIONS_H
-/* nothing to see, move along */
-#include <asm-generic/sections.h>
-
/* only used when MTD_UCLINUX */
extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
@@ -15,4 +12,39 @@ extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
_stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
_ebss_l2[], _l2_lma_start[];
+#include <asm/mem_map.h>
+
+/* Blackfin systems have discontinuous memory map and no virtualized memory */
+static inline int arch_is_kernel_text(unsigned long addr)
+{
+ return
+ (L1_CODE_LENGTH &&
+ addr >= (unsigned long)_stext_l1 &&
+ addr < (unsigned long)_etext_l1)
+ ||
+ (L2_LENGTH &&
+ addr >= (unsigned long)_stext_l2 &&
+ addr < (unsigned long)_etext_l2);
+}
+#define arch_is_kernel_text(addr) arch_is_kernel_text(addr)
+
+static inline int arch_is_kernel_data(unsigned long addr)
+{
+ return
+ (L1_DATA_A_LENGTH &&
+ addr >= (unsigned long)_sdata_l1 &&
+ addr < (unsigned long)_ebss_l1)
+ ||
+ (L1_DATA_B_LENGTH &&
+ addr >= (unsigned long)_sdata_b_l1 &&
+ addr < (unsigned long)_ebss_b_l1)
+ ||
+ (L2_LENGTH &&
+ addr >= (unsigned long)_sdata_l2 &&
+ addr < (unsigned long)_ebss_l2);
+}
+#define arch_is_kernel_data(addr) arch_is_kernel_data(addr)
+
+#include <asm-generic/sections.h>
+
#endif