From: Helge Deller <deller@gmx.de>
Date: Sun, 18 Sep 2022 19:45:51 +0000 (+0200)
Subject: linux-user/hppa: Set TASK_UNMAPPED_BASE to 0xfa000000 for hppa arch
X-Git-Tag: v7.2.0~119^2~27
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=9c9b5d7b9220d2f52a2df24373c8f35604f444fc;p=mirror_qemu.git

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>
---

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 6a828e8418..83fdae7034 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -253,8 +253,12 @@ 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;