From 6bd7917903112ab1541d10a006f7074c4d0fa7da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E5=A9=A720201110?=
 <liujing_yewu@cmss.chinamobile.com>
Date: Fri, 6 Dec 2024 13:34:31 +0800
Subject: [PATCH] linux-user/hppa: Set TASK_UNMAPPED_BASE to 0xfa000000 for
 hppa arch

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>
Message-Id: <20220918194555.83535-9-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Liu Jing <liujing_yewu@cmss.chinamobile.com>
---
 linux-user/mmap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index c125031b90..d674d5b00d 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;
-- 
Gitee