diff options
author | Kinsey Moore <kinsey.moore@oarcorp.com> | 2022-02-18 10:05:25 -0600 |
---|---|---|
committer | Joel Sherrill <joel@rtems.org> | 2022-02-23 08:35:45 -0600 |
commit | dbdf38ea7b2160fe1237a6cc5d3b23dea522c8ca (patch) | |
tree | 409219b24ab34af35a22730a152b8317ac64e21c /bsps/microblaze | |
parent | cpukit/libdebugger: Add pure swbreak capability (diff) | |
download | rtems-dbdf38ea7b2160fe1237a6cc5d3b23dea522c8ca.tar.bz2 |
microblaze: Decouple exceptions from interrupts
Exception handling should be enabled at all times during execution to
ensure that exceptions are not ignored which would cause further
problems. This separates use of the exception enable bit from use of the
interrupt enable bit in the machine status register so that they can be
manipulated independently.
Diffstat (limited to 'bsps/microblaze')
-rw-r--r-- | bsps/microblaze/microblaze_fpga/start/crtinit.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/bsps/microblaze/microblaze_fpga/start/crtinit.S b/bsps/microblaze/microblaze_fpga/start/crtinit.S index a9779404b2..d56bee3b19 100644 --- a/bsps/microblaze/microblaze_fpga/start/crtinit.S +++ b/bsps/microblaze/microblaze_fpga/start/crtinit.S @@ -81,6 +81,9 @@ _crtinit: #ifndef __rtems__ brlid r15, main /* Execute the program */ #else + mfs r3, rmsr + ori r3, r3, 0x100 /* Set Exception Enable MSR flag */ + mts rmsr, r3 brlid r15, boot_card #endif /* __rtems__ */ addi r5, r0, 0 |