Kernel in .RPG files
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Evolving Member
Joined: Apr 2008
Posts: 265
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From: Reading, PA
Kernel in .RPG files
Has anyone played with any of the MUT Flash Tool .RPG files?
I was looking at some of the H8(1998-2000) .RPGs today and found the flash kernel.
The H8s load the kernel to F290 in RAM, and in the .RPG right before the kernel is F290 as a "header".
The ROM image has all the bytes inverted with a 9 byte command string every 1024 bytes.
Anyone know the commands? Has this been looked at before?
I was looking at some of the H8(1998-2000) .RPGs today and found the flash kernel.
The H8s load the kernel to F290 in RAM, and in the .RPG right before the kernel is F290 as a "header".
The ROM image has all the bytes inverted with a 9 byte command string every 1024 bytes.
Anyone know the commands? Has this been looked at before?
Newbie
Joined: Aug 2008
Posts: 25
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From: IL
http://www.aktivematrix.com/forum/viewtopic.php?p=4466
This is the only discussion I remember, that even sounds similar to what you are talking about. Also, the last time I checked, the ecu flash log reports that the kernel is loaded to a slightly different address. Also, when you say bytes inverted are you talking about endian?
This is the only discussion I remember, that even sounds similar to what you are talking about. Also, the last time I checked, the ecu flash log reports that the kernel is loaded to a slightly different address. Also, when you say bytes inverted are you talking about endian?
Thread Starter
Evolving Member
Joined: Apr 2008
Posts: 265
Likes: 1
From: Reading, PA
inverted = 255-x
0=255, 1=254, 2=253, etc...
The ROM code is inverted, but the kernel is normal.
All the H8s I've looked at: DSM, Mirage, 3000GT, have the 0xF290 RAM execute thing, even a kernel written from scratch would have to hook in there.
The kernel is about 3k in size, seems to be a lot more code then would be needed.
I wondering if EcuFlash uses the Mitsu kernel or its own.
0=255, 1=254, 2=253, etc...
The ROM code is inverted, but the kernel is normal.
All the H8s I've looked at: DSM, Mirage, 3000GT, have the 0xF290 RAM execute thing, even a kernel written from scratch would have to hook in there.
The kernel is about 3k in size, seems to be a lot more code then would be needed.
I wondering if EcuFlash uses the Mitsu kernel or its own.
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