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authorRichard Henderson <richard.henderson@linaro.org>2023-08-02 14:29:40 -0700
committerRichard Henderson <richard.henderson@linaro.org>2023-08-08 13:24:27 -0700
commit2d708164e0475064e0e2167bd73e8570e22df1e0 (patch)
treef17712dd84f0ac07f6640ceee314fca2259bfe81 /linux-user/mips
parentc8fb5cf97da11af11def1e910920c9ead03c304a (diff)
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linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.h
Provide default values that are as close as possible to the values used by the guest's kernel. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/mips')
-rw-r--r--linux-user/mips/target_mman.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/linux-user/mips/target_mman.h b/linux-user/mips/target_mman.h
index e97694a..fe1eec2 100644
--- a/linux-user/mips/target_mman.h
+++ b/linux-user/mips/target_mman.h
@@ -14,6 +14,13 @@
#define TARGET_MAP_STACK 0x40000
#define TARGET_MAP_HUGETLB 0x80000
+/*
+ * arch/mips/include/asm/processor.h:
+ * TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE / 3)
+ */
+#define TASK_UNMAPPED_BASE \
+ TARGET_PAGE_ALIGN((1ull << TARGET_VIRT_ADDR_SPACE_BITS) / 3)
+
#include "../generic/target_mman.h"
#endif