diff options
Diffstat (limited to 'src/arch/riscv')
| -rw-r--r-- | src/arch/riscv/trap_handler.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/arch/riscv/trap_handler.c b/src/arch/riscv/trap_handler.c index 16b66d8314..53bcbf98c1 100644 --- a/src/arch/riscv/trap_handler.c +++ b/src/arch/riscv/trap_handler.c @@ -84,20 +84,18 @@ void handle_supervisor_call(trapframe *tf) { void trap_handler(trapframe *tf) { write_csr(mscratch, tf); - int cause = 0; - void* epc = 0; - void* badAddr = 0; + uintptr_t cause; + void *epc; + void *badAddr; // extract cause - asm("csrr t0, mcause"); - asm("move %0, t0" : "=r"(cause)); + asm("csrr %0, mcause" : "=r"(cause)); // extract faulting Instruction pc epc = (void*) tf->epc; // extract bad address - asm("csrr t0, mbadaddr"); - asm("move %0, t0" : "=r"(badAddr)); + asm("csrr %0, mbadaddr" : "=r"(badAddr)); switch(cause) { case 0: |