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| author | Andrew Waterman <andrew@sifive.com> | 2021-03-29 16:49:29 -0700 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2021-03-29 16:58:42 -0700 |
| commit | fe4118a6918b7829f96f42944522da79564a1393 (patch) | |
| tree | 8b773647c83062d25d8a7ef4cc24aac8f75777fa /pk/handlers.c | |
| parent | c09d4af850ff8b502b5efd4de1aac39fcbc63618 (diff) | |
| download | pk-fe4118a6918b7829f96f42944522da79564a1393.zip pk-fe4118a6918b7829f96f42944522da79564a1393.tar.gz pk-fe4118a6918b7829f96f42944522da79564a1393.tar.bz2 | |
pk: remove vestigial trapframe_t::insn field
This assumes that stval is populated with the opcode on illegal
instruction exceptions. But since we're only using the opcode for
error reporting, it's OK if this assumption is violated.
Diffstat (limited to 'pk/handlers.c')
| -rw-r--r-- | pk/handlers.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/pk/handlers.c b/pk/handlers.c index efd14f1..7216713 100644 --- a/pk/handlers.c +++ b/pk/handlers.c @@ -25,13 +25,6 @@ static void handle_store_access_fault(trapframe_t *tf) static void handle_illegal_instruction(trapframe_t* tf) { - tf->insn = *(uint16_t*)tf->epc; - int len = insn_len(tf->insn); - if (len == 4) - tf->insn |= ((uint32_t)*(uint16_t*)(tf->epc + 2) << 16); - else - kassert(len == 2); - dump_tf(tf); panic("An illegal instruction was executed!"); } |