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arm64: Use a switch to decide when to enable debug

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Use a switch statement to decide which exceptions we need to call
dbg_enable for. This simplifies adding more esceptions to the list in
the future.

Reviewed by:	jhb
Sponsored by:	Arm Ltd
Differential Revision:	https://reviews.freebsd.org/D44352

(cherry picked from commit d93b3a65f7)
This commit is contained in:
Andrew Turner 2024-03-12 16:47:38 +00:00
parent c3d86d27c3
commit cf5be94735
1 changed files with 8 additions and 2 deletions
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10
sys/arm64/arm64/trap.c
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@ -496,9 +496,15 @@ do_el1h_sync(struct thread *td, struct trapframe *frame)
* Enable debug exceptions if we aren't already handling one. They will
* be masked again in the exception handler's epilogue.
*/
if (exception != EXCP_BRK && exception != EXCP_WATCHPT_EL1 &&
exception != EXCP_SOFTSTP_EL1)
switch (exception) {
case EXCP_BRK:
case EXCP_WATCHPT_EL1:
case EXCP_SOFTSTP_EL1:
break;
default:
dbg_enable();
break;
}
switch (exception) {
case EXCP_FP_SIMD: