diff options
Diffstat (limited to 'resources/bios_extract/patches')
3 files changed, 0 insertions, 287 deletions
diff --git a/resources/bios_extract/patches/0001-dell_inspiron_1100_unpacker-Fix-minor-style-issues.patch b/resources/bios_extract/patches/0001-dell_inspiron_1100_unpacker-Fix-minor-style-issues.patch deleted file mode 100644 index e00379bf..00000000 --- a/resources/bios_extract/patches/0001-dell_inspiron_1100_unpacker-Fix-minor-style-issues.patch +++ /dev/null @@ -1,132 +0,0 @@ -From d187ceefacc4909c4a3fdb8098878cb9bcd2c198 Mon Sep 17 00:00:00 2001 -From: Nicholas Chin <nic.c3.14@gmail.com> -Date: Fri, 5 May 2023 19:34:29 -0600 -Subject: [PATCH 1/3] dell_inspiron_1100_unpacker: Fix minor style issues - -- Make indent width consistent -- Use spaces around -= operator -- Rename variable type to type_id to avoid shadowing the type method, - though that method isn't ever used in this program - -Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com> -Change-Id: I2d47501845591e228b6c5d61c36ca2edce91d36a ---- - dell_inspiron_1100_unpacker.py | 84 +++++++++++++++++----------------- - 1 file changed, 42 insertions(+), 42 deletions(-) - -diff --git a/dell_inspiron_1100_unpacker.py b/dell_inspiron_1100_unpacker.py -index 3d5adf5..b12059b 100755 ---- a/dell_inspiron_1100_unpacker.py -+++ b/dell_inspiron_1100_unpacker.py -@@ -19,7 +19,7 @@ def memcpy(arr1, off1, arr2, off2, count): - raise Exception("Trying to write out of bounds") - off1 += 1 - off2 += 1 -- count -=1 -+ count -= 1 - - # looks like some lzss variation - def dell_unpack(indata): -@@ -64,58 +64,58 @@ def dell_unpack(indata): - return dst.tostring() - - mod_types = { -- 0x01: "Main ROM", -- 0x0C: "Microcode update", -+ 0x01: "Main ROM", -+ 0x0C: "Microcode update", - } - - print "Dell/Phoenix ROM BIOS PLUS unpacker" - if len(sys.argv) < 2: -- print "Usage: dell_unpack.py bios.bin [offset]" -- sys.exit(1) -+ print "Usage: dell_unpack.py bios.bin [offset]" -+ sys.exit(1) - fname = sys.argv[1] - offs = 0 - f = open(fname, "rb").read() - if len(sys.argv) > 2: -- offs = int(sys.argv[2], 16) -+ offs = int(sys.argv[2], 16) - else: -- offs = f.find("\xF0\x00Copyright 1985-\x02\x04\xF0\x0F8 Phoenix Technologies Ltd.") -- if offs == -1: -- print "Does not look like a Dell/Phoenix ROM BIOS PLUS" -- sys.exit(2) -- if f[offs-5] == '\x01': -- hlen = 5 # 32-bit length -- offs -= 5 -- fmt = "<BI" -- elif f[offs-3] == '\x01': -- hlen = 3 # 16-bit length -- offs -= 3 -- fmt = "<BH" -- else: -- print "Unhandled format!" -- sys.exit(1) -- print "Found compressed module at %08X" % offs -+ offs = f.find("\xF0\x00Copyright 1985-\x02\x04\xF0\x0F8 Phoenix Technologies Ltd.") -+ if offs == -1: -+ print "Does not look like a Dell/Phoenix ROM BIOS PLUS" -+ sys.exit(2) -+ if f[offs-5] == '\x01': -+ hlen = 5 # 32-bit length -+ offs -= 5 -+ fmt = "<BI" -+ elif f[offs-3] == '\x01': -+ hlen = 3 # 16-bit length -+ offs -= 3 -+ fmt = "<BH" -+ else: -+ print "Unhandled format!" -+ sys.exit(1) -+ print "Found compressed module at %08X" % offs - if offs > 0: - fn = "EC.bin" - print "%08X EC code, %08X %s" % (0, offs, fn) - open(fn, "wb").write(f[:offs]) - while True: -- type, leng = struct.unpack(fmt, f[offs:offs+hlen]) -- print "%08X type %02X" % (offs, type), -- offs += hlen -- if type == 0xFF: -- print "<end of chain>" -- break -- data = f[offs:offs+leng] -- offs += leng -- if type != 0xC: -- odata = dell_unpack(data) -- else: -- odata = data -- print " %08X -> %08X" % (leng, len(odata)), -- fn = "mod_%02X.bin" % type -- print " %s" % fn, -- if type in mod_types: -- print "(%s)" % mod_types[type] -- else: -- print "" -- open(fn, "wb").write(odata) -+ type_id, leng = struct.unpack(fmt, f[offs:offs+hlen]) -+ print "%08X type %02X" % (offs, type_id), -+ offs += hlen -+ if type_id == 0xFF: -+ print "<end of chain>" -+ break -+ data = f[offs:offs+leng] -+ offs += leng -+ if type_id != 0xC: -+ odata = dell_unpack(data) -+ else: -+ odata = data -+ print " %08X -> %08X" % (leng, len(odata)), -+ fn = "mod_%02X.bin" % type_id -+ print " %s" % fn, -+ if type_id in mod_types: -+ print "(%s)" % mod_types[type_id] -+ else: -+ print "" -+ open(fn, "wb").write(odata) --- -2.40.1 - diff --git a/resources/bios_extract/patches/0002-dell_inspiron_1100_unpacker-Convert-from-python-2-to.patch b/resources/bios_extract/patches/0002-dell_inspiron_1100_unpacker-Convert-from-python-2-to.patch deleted file mode 100644 index f49c8dbd..00000000 --- a/resources/bios_extract/patches/0002-dell_inspiron_1100_unpacker-Convert-from-python-2-to.patch +++ /dev/null @@ -1,105 +0,0 @@ -From 34ecbda8cc75eecb747004520c9e0bd6de3c7723 Mon Sep 17 00:00:00 2001 -From: Nicholas Chin <nic.c3.14@gmail.com> -Date: Fri, 5 May 2023 19:35:45 -0600 -Subject: [PATCH 2/3] dell_inspiron_1100_unpacker: Convert from python 2 to 3 - -TEST: The output of the script is the same as the python 2 version when -run against the Inspiron 1100 BIOS - -Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com> -Change-Id: I2ab9a72bc65121b1106e9867b7d58d1eefb0eb3d ---- - dell_inspiron_1100_unpacker.py | 34 +++++++++++++++++----------------- - 1 file changed, 17 insertions(+), 17 deletions(-) - -diff --git a/dell_inspiron_1100_unpacker.py b/dell_inspiron_1100_unpacker.py -index b12059b..5e43813 100755 ---- a/dell_inspiron_1100_unpacker.py -+++ b/dell_inspiron_1100_unpacker.py -@@ -1,4 +1,4 @@ --#!/usr/bin/env python2 -+#!/usr/bin/env python3 - # Dell/Phoenix ROM BIOS PLUS unpacker - # 2012-09-12 version 0.1 - # 2012-10-10 version 0.2 added support for older BIOSes with 16-bit length (Dell Inspiron 1100) -@@ -61,16 +61,16 @@ def dell_unpack(indata): - dstoff += count - srcoff += count - -- return dst.tostring() -+ return dst - - mod_types = { - 0x01: "Main ROM", - 0x0C: "Microcode update", - } - --print "Dell/Phoenix ROM BIOS PLUS unpacker" -+print("Dell/Phoenix ROM BIOS PLUS unpacker") - if len(sys.argv) < 2: -- print "Usage: dell_unpack.py bios.bin [offset]" -+ print("Usage: dell_unpack.py bios.bin [offset]") - sys.exit(1) - fname = sys.argv[1] - offs = 0 -@@ -78,32 +78,32 @@ f = open(fname, "rb").read() - if len(sys.argv) > 2: - offs = int(sys.argv[2], 16) - else: -- offs = f.find("\xF0\x00Copyright 1985-\x02\x04\xF0\x0F8 Phoenix Technologies Ltd.") -+ offs = f.find(b"\xF0\x00Copyright 1985-\x02\x04\xF0\x0F8 Phoenix Technologies Ltd.") - if offs == -1: -- print "Does not look like a Dell/Phoenix ROM BIOS PLUS" -+ print("Does not look like a Dell/Phoenix ROM BIOS PLUS") - sys.exit(2) -- if f[offs-5] == '\x01': -+ if f[offs-5] == 0x01: - hlen = 5 # 32-bit length - offs -= 5 - fmt = "<BI" -- elif f[offs-3] == '\x01': -+ elif f[offs-3] == 0x01: - hlen = 3 # 16-bit length - offs -= 3 - fmt = "<BH" - else: -- print "Unhandled format!" -+ print("Unhandled format!") - sys.exit(1) -- print "Found compressed module at %08X" % offs -+ print("Found compressed module at %08X" % offs) - if offs > 0: - fn = "EC.bin" -- print "%08X EC code, %08X %s" % (0, offs, fn) -+ print("%08X EC code, %08X %s" % (0, offs, fn)) - open(fn, "wb").write(f[:offs]) - while True: - type_id, leng = struct.unpack(fmt, f[offs:offs+hlen]) -- print "%08X type %02X" % (offs, type_id), -+ print("%08X type %02X" % (offs, type_id), end=" ") - offs += hlen - if type_id == 0xFF: -- print "<end of chain>" -+ print("<end of chain>") - break - data = f[offs:offs+leng] - offs += leng -@@ -111,11 +111,11 @@ while True: - odata = dell_unpack(data) - else: - odata = data -- print " %08X -> %08X" % (leng, len(odata)), -+ print(" %08X -> %08X" % (leng, len(odata)), end=" ") - fn = "mod_%02X.bin" % type_id -- print " %s" % fn, -+ print(" %s" % fn, end=" ") - if type_id in mod_types: -- print "(%s)" % mod_types[type_id] -+ print("(%s)" % mod_types[type_id]) - else: -- print "" -+ print("") - open(fn, "wb").write(odata) --- -2.40.1 - diff --git a/resources/bios_extract/patches/0003-dell_inspiron_1100_unpacker-Add-module-type-0x52.patch b/resources/bios_extract/patches/0003-dell_inspiron_1100_unpacker-Add-module-type-0x52.patch deleted file mode 100644 index 6de392be..00000000 --- a/resources/bios_extract/patches/0003-dell_inspiron_1100_unpacker-Add-module-type-0x52.patch +++ /dev/null @@ -1,50 +0,0 @@ -From b3868ed71a390f925eb22b926b9c735f7b84b383 Mon Sep 17 00:00:00 2001 -From: Nicholas Chin <nic.c3.14@gmail.com> -Date: Sat, 6 May 2023 11:14:45 -0600 -Subject: [PATCH 3/3] dell_inspiron_1100_unpacker: Add module type 0x52 - -The module with type 0x52 in the Latitude E6400 BIOS is the EC firmware, -and is not compressed. The current behavior tries to decompress this -module leading to an index out of bounds error at runtime, so add a new -condition to avoid decompressing it. This assumes type 0x52 is always -used for EC firmware. - -The current behavior also assumes all the data before the first module -is EC firmware, which was probably true for the Inspiron 1100, but for -the E6400 the EC firmware is in module 0x52. However, for simplicity an -exception is not made for this behavior, so the extracted EC.bin should -just be treated as spurious data for the E6400. - -TEST: Inspiron 1100 BIOS is still unpacked correctly, Latitude E6400 -BIOS unpacks without runtime errors. - -Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com> -Change-Id: I3152150b7dea4d79840c61683692c65b1311cce2 ---- - dell_inspiron_1100_unpacker.py | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - -diff --git a/dell_inspiron_1100_unpacker.py b/dell_inspiron_1100_unpacker.py -index 5e43813..3589550 100755 ---- a/dell_inspiron_1100_unpacker.py -+++ b/dell_inspiron_1100_unpacker.py -@@ -66,6 +66,7 @@ def dell_unpack(indata): - mod_types = { - 0x01: "Main ROM", - 0x0C: "Microcode update", -+ 0x52: "EC firmware" - } - - print("Dell/Phoenix ROM BIOS PLUS unpacker") -@@ -107,7 +108,7 @@ while True: - break - data = f[offs:offs+leng] - offs += leng -- if type_id != 0xC: -+ if type_id != 0xC and type_id != 0x52: - odata = dell_unpack(data) - else: - odata = data --- -2.40.1 - |