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| author | Christos Zoulas <christos@zoulas.com> | 2023-02-04 18:57:32 +0000 |
|---|---|---|
| committer | Christos Zoulas <christos@zoulas.com> | 2023-02-04 18:57:32 +0000 |
| commit | c019f3c109cdf6606be265b8039f002d81d996bb (patch) | |
| tree | 5e83f930b70d51dd64447202ef47ad3bec38b9de | |
| parent | f63c3f552b0eef093c0b2304ff56e9b1efb98a0f (diff) | |
| download | file-git-c019f3c109cdf6606be265b8039f002d81d996bb.tar.gz | |
Add ARM Cortex-M firmware dump (Alexandre IOOSS)
| -rw-r--r-- | magic/Magdir/firmware | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/magic/Magdir/firmware b/magic/Magdir/firmware index a664401d..c641a1dc 100644 --- a/magic/Magdir/firmware +++ b/magic/Magdir/firmware @@ -1,5 +1,5 @@ #------------------------------------------------------------------------------ -# $File: firmware,v 1.4 2023/01/22 15:05:39 christos Exp $ +# $File: firmware,v 1.5 2023/02/04 18:57:32 christos Exp $ # firmware: file(1) magic for firmware files # @@ -43,3 +43,27 @@ >4096 ustring \xFD7zXZ\x00 XZ compressed 0 belong 0x1bad1bad POWER boot firmware >256 belong 0x48002030 (PHYP entry point) + +# ARM Cortex-M vector table +# From: Alexandre Iooss <erdnaxe@crans.org> +# URL: https://developer.arm.com/documentation/100701/0200/Exception-properties +# Match stack MSB +3 byte 0x20 +# Function pointers must be in Thumb-mode and before 0x20000000 (4*5 bits match) +>4 ulelong&0xE0000001 1 +>>8 ulelong&0xE0000001 1 +>>>12 ulelong&0xE0000001 1 +>>>>44 ulelong&0xE0000001 1 +>>>>>56 ulelong&0xE0000001 1 +# Match Cortex-M reserved sections +>>>>>>28 ulelong 0 +>>>>>>>32 ulelong 0 +>>>>>>>>36 ulelong 0 +>>>>>>>>>40 ulelong 0 +>>>>>>>>>>52 ulelong 0 ARM Cortex-M firmware +>>>>>>>>>>>0 ulelong >0 \b, initial SP at 0x%08x +>>>>>>>>>>>4 ulelong^1 x \b, reset at 0x%08x +>>>>>>>>>>>8 ulelong^1 x \b, NMI at 0x%08x +>>>>>>>>>>>12 ulelong^1 x \b, HardFault at 0x%08x +>>>>>>>>>>>44 ulelong^1 x \b, SVCall at 0x%08x +>>>>>>>>>>>56 ulelong^1 x \b, PendSV at 0x%08x |