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| author | Ayke van Laethem <[email protected]> | 2018-09-24 13:03:21 +0200 |
|---|---|---|
| committer | Ayke van Laethem <[email protected]> | 2018-09-24 13:03:21 +0200 |
| commit | ddd4a39cb85a5e652e82edf0d0475f0b5218235b (patch) | |
| tree | 4965e95d1434f1a56cf4ef66d063363eb8548c78 /tools | |
| parent | fd6dda5e4ff4a7645293f6b3b0e4013471a719c7 (diff) | |
| download | tinygo-ddd4a39cb85a5e652e82edf0d0475f0b5218235b.tar.gz tinygo-ddd4a39cb85a5e652e82edf0d0475f0b5218235b.zip | |
avr: fix default handler in interrupt vector
Apparently the target of a weak symbol must be defined in the same file
as where it is used as a weak symbol.
https://www.avrfreaks.net/forum/using-weak-custom-vector-table#comment-745922
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/gen-device-avr.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/gen-device-avr.py b/tools/gen-device-avr.py index 3517d868e..f2592c1ff 100755 --- a/tools/gen-device-avr.py +++ b/tools/gen-device-avr.py @@ -208,6 +208,15 @@ def writeAsm(outdir, device): ; Automatically generated file. DO NOT EDIT. ; Generated by gen-device-avr.py from {file}, see {descriptorSource} +; This is the default handler for interrupts, if triggered but not defined. +; Sleep inside so that an accidentally triggered interrupt won't drain the +; battery of a battery-powered device. +.section .text.__vector_default +.global __vector_default +__vector_default: + sleep + rjmp __vector_default + ; Avoid the need for repeated .weak and .set instructions. .macro IRQ handler .weak \\handler |