From 3aa49913a155bc66fdea76eb2ff0a0b06fc86ff4 Mon Sep 17 00:00:00 2001
From: Avinash Jain <jainavinash@codeaurora.org>
Date: Mon, 17 Oct 2016 18:41:50 +0530
Subject: [PATCH] lrdp_v2: config value changes
Config value is changed from CONFIG_ARM64_PGTABLE_LEVELS
to CONFIG_PGTABLE_LEVELS in 3.18.
vmemmap is shifted to base addr (0x80000000):
commit ab754494cbe4dd44a9e1354b3d93c8d5d5139aad
Change-Id: Ib6fa6e1b780db5117f8a750003216794d9cedeea
---
linux-ramdump-parser-v2/mm.py | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
mode change 100755 => 100644 linux-ramdump-parser-v2/mm.py
diff --git a/linux-ramdump-parser-v2/mm.py b/linux-ramdump-parser-v2/mm.py
old mode 100755
new mode 100644
index c679076..02fa7aa
--- a/linux-ramdump-parser-v2/mm.py
+++ b/linux-ramdump-parser-v2/mm.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
+# Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 and
@@ -24,6 +24,7 @@ def get_debug_flags(ramdump, page):
flagval = ramdump.read_word(page + debug_flag_offset)
return flagval
+
def page_zonenum(page_flags):
# save this in a variable somewhere...
return (page_flags >> 26) & 3
@@ -134,7 +135,11 @@ def get_vmemmap(ramdump):
# See: include/asm-generic/pgtable-nopud.h,
# arch/arm64/include/asm/pgtable-hwdef.h,
# arch/arm64/include/asm/pgtable.h
- nlevels = int(ramdump.get_config_val("CONFIG_ARM64_PGTABLE_LEVELS"))
+ if (ramdump.kernel_version < (3, 18, 0)):
+ nlevels = int(ramdump.get_config_val("CONFIG_ARM64_PGTABLE_LEVELS"))
+ else:
+ nlevels = int(ramdump.get_config_val("CONFIG_PGTABLE_LEVELS"))
+
if ramdump.is_config_defined("CONFIG_ARM64_64K_PAGES"):
page_shift = 16
else:
@@ -146,7 +151,15 @@ def get_vmemmap(ramdump):
spsize = ramdump.sizeof('struct page')
vmemmap_size = bitops.align((1 << (va_bits - page_shift)) * spsize,
pud_size)
- vmalloc_end = ramdump.page_offset - pud_size - vmemmap_size
+ if (ramdump.kernel_version < (3, 18, 31)):
+ vmalloc_end = ramdump.page_offset - pud_size - vmemmap_size
+ # vmalloc_end = 0xFFFFFFBC00000000
+ else:
+ # for version >= 3.18.31,
+ # vmemmap is shifted to base addr (0x80000000) pfn.
+ pfn_offset = (ramdump.phys_offset >> page_shift)
+ offset = pfn_offset * spsize
+ vmalloc_end = ramdump.page_offset - pud_size - vmemmap_size - offset
return vmalloc_end
--
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