From 527640d8bf120bec4ba590ecac805e7a434ce192 Mon Sep 17 00:00:00 2001
From: rhythmp <rhythmp@codeaurora.org>
Date: Wed, 22 Mar 2017 17:32:33 -0700
Subject: [PATCH] ldrpv2: cachedumplib: Add support for sdm845.
Add decoding information for LLC (System) cache.
Included LLC parse function.
Change-Id: Idd21a68eb6b8bf0cc63d79b640dc167fa78106a4
---
linux-ramdump-parser-v2/cachedumplib.py | 45 +++++++++++++++++++++++
linux-ramdump-parser-v2/debug_image_v2.py | 23 ++++++++++++
2 files changed, 68 insertions(+)
diff --git a/linux-ramdump-parser-v2/cachedumplib.py b/linux-ramdump-parser-v2/cachedumplib.py
index 62b0fea..2892cc1 100644
--- a/linux-ramdump-parser-v2/cachedumplib.py
+++ b/linux-ramdump-parser-v2/cachedumplib.py
@@ -567,6 +567,45 @@ class L1_ICache_KRYO3XX_GOLD(CacheDumpType_v1):
output.append(ns)
output.append(addr)
+class LLC_SYSTEM_CACHE_KRYO3XX(CacheDumpType_v1):
+ """Refer to documentation:LLC_HDD"""
+ def __init__(self):
+ super(LLC_SYSTEM_CACHE_KRYO3XX, self).__init__()
+ self.tableformat.addColumn('G0 Valid')
+ self.tableformat.addColumn('G0 Dirty')
+ self.tableformat.addColumn('G1 Valid')
+ self.tableformat.addColumn('G1 Dirty')
+ self.tableformat.addColumn('SCID')
+ self.tableformat.addColumn('ECC')
+ self.tableformat.addColumn('Tag address')
+ self.unsupported_header_offset = 0
+ self.TagSize = 2
+ self.LineSize = 16
+ self.NumSets = 0x400
+ self.NumWays = 12
+
+ def parse_tag_fn(self, output, data, nset, nway):
+ if self.TagSize != 2:
+ raise Exception('cache tag size mismatch')
+
+ G0_valid = data[0] & 0x1
+ G1_valid = (data[0] >> 2) & 0x1
+ G0_dirty = (data[0] >> 3) & 0x1
+ G1_dirty = (data[0] >> 4) & 0x1
+ SCID = (data[0] >> 7) & 0x1f
+ ECC_bits = (data[0] >> 14) & 0x7f
+
+ DONE_bit = (data[1] >> 28) & 0x1
+ addr = data[1] & 0x3fffffff
+
+ output.append(G0_valid)
+ output.append(G0_dirty)
+ output.append(G1_valid)
+ output.append(G1_dirty)
+ output.append(SCID)
+ output.append(ECC_bits)
+ output.append(addr)
+
L1_DCache_KRYO2XX_SILVER = L1_DCache_A53
L1_ICache_KYRO2XX_SILVER = L1_ICache_A53
@@ -590,6 +629,12 @@ lookuptable[("sdm845", 0x65, 0x14)] = L1_ICache_KRYO3XX_GOLD()
lookuptable[("sdm845", 0x66, 0x14)] = L1_ICache_KRYO3XX_GOLD()
lookuptable[("sdm845", 0x67, 0x14)] = L1_ICache_KRYO3XX_GOLD()
+
+lookuptable[("sdm845", 0x121, 0x14)] = LLC_SYSTEM_CACHE_KRYO3XX()
+lookuptable[("sdm845", 0x122, 0x14)] = LLC_SYSTEM_CACHE_KRYO3XX()
+lookuptable[("sdm845", 0x123, 0x14)] = LLC_SYSTEM_CACHE_KRYO3XX()
+lookuptable[("sdm845", 0x124, 0x14)] = LLC_SYSTEM_CACHE_KRYO3XX()
+
# "msmcobalt"
lookuptable[("cobalt", 0x80, 0x14)] = L1_DCache_KRYO2XX_SILVER()
lookuptable[("cobalt", 0x81, 0x14)] = L1_DCache_KRYO2XX_SILVER()
diff --git a/linux-ramdump-parser-v2/debug_image_v2.py b/linux-ramdump-parser-v2/debug_image_v2.py
index 5092498..d1cf46e 100755
--- a/linux-ramdump-parser-v2/debug_image_v2.py
+++ b/linux-ramdump-parser-v2/debug_image_v2.py
@@ -52,6 +52,7 @@ class client(object):
MSM_DUMP_DATA_LOG_BUF = 0x110
MSM_DUMP_DATA_LOG_BUF_FIRST_IDX = 0x111
MSM_DUMP_DATA_L2_TLB = 0x120
+ MSM_DUMP_DATA_LLC_CACHE = 0x121
MSM_DUMP_DATA_SCANDUMP = 0xEB
MSM_DUMP_DATA_MAX = MAX_NUM_ENTRIES
@@ -74,6 +75,7 @@ client_types = [
('MSM_DUMP_DATA_TMC_ETF', 'parse_qdss_common'),
('MSM_DUMP_DATA_TMC_REG', 'parse_qdss_common'),
('MSM_DUMP_DATA_L2_TLB', 'parse_l2_tlb'),
+ ('MSM_DUMP_DATA_LLC_CACHE', 'parse_system_cache_common'),
]
qdss_tag_to_field_name = {
@@ -213,6 +215,23 @@ class DebugImage_v2():
print_out_exception()
outfile.close()
+ def parse_system_cache_common(self, version, start, end, client_id, ramdump):
+ client_name = self.dump_data_id_lookup_table[client_id]
+ bank_number = client_id - client.MSM_DUMP_DATA_LLC_CACHE
+
+ filename = '{0}_0x{1:x}'.format(client_name, bank_number)
+ outfile = ramdump.open_file(filename)
+ cache_type = lookup_cache_type(ramdump.hw_id, client_id, version)
+ try:
+ cache_type.parse(start, end, ramdump, outfile)
+ except NotImplementedError:
+ print_out_str('System cache dumping not supported'
+ % client_name)
+ except:
+ print_out_str('!!! Unhandled exception while running {0}'.format(client_name))
+ print_out_exception()
+ outfile.close()
+
def parse_tlb_common(self, version, start, end, client_id, ramdump):
client_name = self.dump_data_id_lookup_table[client_id]
core = client_id & 0xF
@@ -488,6 +507,10 @@ class DebugImage_v2():
client.MSM_DUMP_DATA_L2_CACHE + i] = 'MSM_DUMP_DATA_L2_CACHE'
self.dump_data_id_lookup_table[
client.MSM_DUMP_DATA_ETM_REG + i] = 'MSM_DUMP_DATA_ETM_REG'
+
+ for i in range(0, 4):
+ self.dump_data_id_lookup_table[
+ client.MSM_DUMP_DATA_LLC_CACHE + i] = 'MSM_DUMP_DATA_LLC_CACHE'
# 0x100 - tmc-etr registers and 0x101 - for tmc-etf registers
self.dump_data_id_lookup_table[
client.MSM_DUMP_DATA_TMC_REG + 1] = 'MSM_DUMP_DATA_TMC_REG'
--
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