diff options
Diffstat (limited to 'sys')
-rw-r--r-- | sys/arm64/arm64/trap.c | 6 | ||||
-rw-r--r-- | sys/arm64/include/armreg.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c index 0b2d4760cea3..cb3a05ad0163 100644 --- a/sys/arm64/arm64/trap.c +++ b/sys/arm64/arm64/trap.c @@ -474,6 +474,7 @@ do_el0_sync(struct thread *td, struct trapframe *frame) case EXCP_UNKNOWN: case EXCP_DATA_ABORT_L: case EXCP_DATA_ABORT: + case EXCP_WATCHPT_EL0: far = READ_SPECIALREG(far_el1); break; } @@ -534,6 +535,11 @@ do_el0_sync(struct thread *td, struct trapframe *frame) exception); userret(td, frame); break; + case EXCP_WATCHPT_EL0: + call_trapsignal(td, SIGTRAP, TRAP_TRACE, (void *)far, + exception); + userret(td, frame); + break; case EXCP_MSR: /* * The CPU can raise EXCP_MSR when userspace executes an mrs diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h index f2bce02782ec..70390d4ebf1e 100644 --- a/sys/arm64/include/armreg.h +++ b/sys/arm64/include/armreg.h @@ -230,6 +230,7 @@ #define EXCP_BRKPT_EL0 0x30 /* Hardware breakpoint, from same EL */ #define EXCP_SOFTSTP_EL0 0x32 /* Software Step, from lower EL */ #define EXCP_SOFTSTP_EL1 0x33 /* Software Step, from same EL */ +#define EXCP_WATCHPT_EL0 0x34 /* Watchpoint, from lower EL */ #define EXCP_WATCHPT_EL1 0x35 /* Watchpoint, from same EL */ #define EXCP_BRK 0x3c /* Breakpoint */ |