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-rw-r--r--linux-user/sparc/target_mman.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/linux-user/sparc/target_mman.h b/linux-user/sparc/target_mman.h
index 9bad99c..692ebf9 100644
--- a/linux-user/sparc/target_mman.h
+++ b/linux-user/sparc/target_mman.h
@@ -5,6 +5,20 @@
#define TARGET_MAP_LOCKED 0x100
#define TARGET_MAP_GROWSDOWN 0x0200
+/*
+ * arch/sparc/include/asm/page_64.h:
+ * TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \
+ * _AC(0x0000000070000000,UL) : \
+ * VA_EXCLUDE_END)
+ * But VA_EXCLUDE_END is > 0xffff800000000000UL which doesn't work
+ * in userland emulation.
+ */
+#ifdef TARGET_ABI32
+#define TASK_UNMAPPED_BASE 0x70000000
+#else
+#define TASK_UNMAPPED_BASE (1ull << (TARGET_VIRT_ADDR_SPACE_BITS - 2))
+#endif
+
#include "../generic/target_mman.h"
#endif