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Re: [Qemu-devel] [PATCH] Fix mask of pte index
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From: |
Qiao Nuohan |
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Subject: |
Re: [Qemu-devel] [PATCH] Fix mask of pte index |
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Date: |
Wed, 22 May 2013 09:21:04 +0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.5) Gecko/20120607 Thunderbird/10.0.5 |
Function walk_pte needs pte index to calculate virtual address. However, pte
index of PAE paging or IA-32e paging is 9 bit, so the mask should be 0x1ff.
Signed-off-by: Qiao Nuohan <address@hidden>
---
target-i386/arch_memory_mapping.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-i386/arch_memory_mapping.c
b/target-i386/arch_memory_mapping.c
index 844893f..a2eb7e7 100644
--- a/target-i386/arch_memory_mapping.c
+++ b/target-i386/arch_memory_mapping.c
@@ -38,7 +38,7 @@ static void walk_pte(MemoryMappingList *list, hwaddr
pte_start_addr,
continue;
}
- start_vaddr = start_line_addr | ((i & 0x1fff) << 12);
+ start_vaddr = start_line_addr | ((i & 0x1ff) << 12);
memory_mapping_list_add_merge_sorted(list, start_paddr,
start_vaddr, 1 << 12);
}
--
1.7.1