diff options
author | David Brownell <dbrownell@users.sourceforge.net> | 2009-10-23 12:28:03 -0700 |
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committer | David Brownell <dbrownell@users.sourceforge.net> | 2009-10-23 12:28:03 -0700 |
commit | 75cdc8a260e081752698f374d4cd6e97e84eb6cb (patch) | |
tree | 0243254891f694470d6b9147431746837dcc4394 /src/target/arm9tdmi.h | |
parent | bfefe85645a51d8e5f94879dcd0321abafdcbf7c (diff) |
arm9tdmi vector_catch: reserved means "don't use"
Bit 5 shouldn't be used. Remove all support for modifying it.
Matches the exception vector table, of course ... more than one
bootloader uses that non-vector to help distinguish valid boot
images from random garbage in flash.
Diffstat (limited to 'src/target/arm9tdmi.h')
-rw-r--r-- | src/target/arm9tdmi.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/target/arm9tdmi.h b/src/target/arm9tdmi.h index 28be9b6c..9dfa8863 100644 --- a/src/target/arm9tdmi.h +++ b/src/target/arm9tdmi.h @@ -47,7 +47,7 @@ enum arm9tdmi_vector ARM9TDMI_SWI_VECTOR = 0x04, ARM9TDMI_PABT_VECTOR = 0x08, ARM9TDMI_DABT_VECTOR = 0x10, - ARM9TDMI_RESERVED_VECTOR = 0x20, + /* BIT(5) reserved -- must be zero */ ARM9TDMI_IRQ_VECTOR = 0x40, ARM9TDMI_FIQ_VECTOR = 0x80, }; |