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[Qemu-devel] [PATCH v2 19/29] target/s390x: fix adj_len_to_page
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 19/29] target/s390x: fix adj_len_to_page |
Date: |
Mon, 29 May 2017 21:24:30 +0200 |
adj_len_to_page doesn't return the correct result when the address
is already page aligned and the length is bigger than a page. Fix that.
Signed-off-by: Aurelien Jarno <address@hidden>
---
target/s390x/mem_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index edda090116..805794d82f 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -61,7 +61,7 @@ static inline uint32_t adj_len_to_page(uint32_t len, uint64_t
addr)
{
#ifndef CONFIG_USER_ONLY
if ((addr & ~TARGET_PAGE_MASK) + len - 1 >= TARGET_PAGE_SIZE) {
- return -addr & ~TARGET_PAGE_MASK;
+ return -(addr | TARGET_PAGE_MASK);
}
#endif
return len;
--
2.11.0
- [Qemu-devel] [PATCH v2 00/29] target/s390x: fix, improve and implement some more instructions, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 08/29] target/s390x: implement STORE PAIR TO QUADWORD, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 04/29] target/s390x: implement TEST AND SET, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 19/29] target/s390x: fix adj_len_to_page,
Aurelien Jarno <=
- [Qemu-devel] [PATCH v2 14/29] target/s390x: improve 24-bit and 31-bit addresses read, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 05/29] target/s390x: implement TEST ADDRESSING MODE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 01/29] target/s390x: remove dead code in translate.c, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 07/29] target/s390x: implement LOAD PAIR FROM QUADWORD, Aurelien Jarno, 2017/05/29