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-rw-r--r--tools/testing/selftests/riscv/mm/mmap_default.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/riscv/mm/mmap_default.c b/tools/testing/selftests/riscv/mm/mmap_default.c
new file mode 100644
index 000000000000..c63c60b9397e
--- /dev/null
+++ b/tools/testing/selftests/riscv/mm/mmap_default.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <sys/mman.h>
+#include <mmap_test.h>
+
+#include "../../kselftest_harness.h"
+
+TEST(default_rlimit)
+{
+// Only works on 64 bit
+#if __riscv_xlen == 64
+ struct addresses mmap_addresses;
+
+ EXPECT_EQ(TOP_DOWN, memory_layout());
+
+ do_mmaps(&mmap_addresses);
+
+ EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
+ EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
+
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
+ EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
+ EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
+ EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
+#endif
+}
+
+TEST_HARNESS_MAIN