| 40,6 → 40,7 |
|---|
| #include <func.h> |
| #include <console/kconsole.h> |
| #include <arch/debugger.h> |
| #include <syscall/syscall.h> |
| |
| static char * exctable[] = { |
| "Interrupt","TLB Modified","TLB Invalid","TLB Invalid Store", |
| 134,7 → 135,22 |
|---|
| exc_dispatch(i+INT_OFFSET, pstate); |
| } |
| |
| #include <debug.h> |
| /** Handle syscall userspace call */ |
| static void syscall_exception(int n, void *data) |
| { |
| struct exception_regdump *pstate = (struct exception_regdump *)data; |
| |
| if (pstate->a3 < SYSCALL_END) |
| pstate->v0 = syscall_table[pstate->a3](pstate->a0, |
| pstate->a1, |
| pstate->a2); |
| else |
| panic("Undefined syscall %d", pstate->a3); |
| pstate->epc += 4; |
| } |
| |
| |
| void exception(struct exception_regdump *pstate) |
| { |
| int cause; |
| 190,4 → 206,5 |
|---|
| #ifdef CONFIG_FPU_LAZY |
| exc_register(EXC_CpU, "cpunus", cpuns_exception); |
| #endif |
| exc_register(EXC_Sys, "syscall", syscall_exception); |
| } |