[PULL 08/12] linux-user/hppa: Set TASK_UNMAPPED_BASE to 0xfa000000 for hppa arch

Helge Deller posted 12 patches 2 months, 1 week ago
Maintainers: Laurent Vivier <laurent@vivier.eu>, Richard Henderson <richard.henderson@linaro.org>
[PULL 08/12] linux-user/hppa: Set TASK_UNMAPPED_BASE to 0xfa000000 for hppa arch
Posted by Helge Deller 2 months, 1 week ago
On the parisc architecture the stack grows upwards.
Move the TASK_UNMAPPED_BASE to high memory area as it's done by the
kernel on physical machines.

Signed-off-by: Helge Deller <deller@gmx.de>
---
 linux-user/mmap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 048c4135af..dba6823668 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -251,8 +251,12 @@ static int mmap_frag(abi_ulong real_start,
 # define TASK_UNMAPPED_BASE  (1ul << 38)
 #endif
 #else
+#ifdef TARGET_HPPA
+# define TASK_UNMAPPED_BASE  0xfa000000
+#else
 # define TASK_UNMAPPED_BASE  0x40000000
 #endif
+#endif
 abi_ulong mmap_next_start = TASK_UNMAPPED_BASE;

 unsigned long last_brk;
--
2.37.3