diff options
Diffstat (limited to 'libcpu/mips/common/exception.c')
| -rw-r--r-- | libcpu/mips/common/exception.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/libcpu/mips/common/exception.c b/libcpu/mips/common/exception.c index 84bb0446d6..3da8ecead6 100644 --- a/libcpu/mips/common/exception.c +++ b/libcpu/mips/common/exception.c @@ -24,6 +24,41 @@ rt_ubase_t rt_interrupt_from_thread; rt_ubase_t rt_interrupt_to_thread; rt_ubase_t rt_thread_switch_interrupt_flag; +const char *exception_name[] = { + "Interrupt", + "(X)TLB Modify Exception", + "(X)TLB Read/Fetch Exception", + "(X)TLB Write Exception", + "Address Read/Fetch Exception", + "Address Write Exception", + "", + "", + "Syscall", + "Breakpoint", + "Reversed Instruction Exception", + "Coprocessor Unit Invalid", + "Overflow", + "Trap", + "FPU Exception in Vector Instruction", + "FPU Exception", + "Loongson Custom Exception", + "", + "", + "(X)TLB Read Denied Exception", + "(X)TLB Execute Denied Exception", + "Vector Module Disabled Exception", + "", + "", + "", + "", + "", + "", + "", + "", + "Cache Error Exception", + "" + }; + rt_base_t rt_hw_interrupt_disable(void) { rt_base_t status = read_c0_status(); @@ -39,7 +74,7 @@ void rt_hw_interrupt_enable(rt_base_t level) /** * exception handle table */ -#define RT_EXCEPTION_MAX 31 +#define RT_EXCEPTION_MAX 32 exception_func_t sys_exception_handlers[RT_EXCEPTION_MAX]; /** @@ -87,10 +122,15 @@ void cache_error_handler(void) static void unhandled_exception_handle(struct pt_regs *regs) { - rt_kprintf("Unknown Exception, EPC: 0x%08x, CAUSE: 0x%08x\n", read_c0_epc(), - read_c0_cause()); - rt_kprintf("ST0: 0x%08x ", regs->cp0_status); - rt_kprintf("ErrorPC: 0x%08x\n", read_c0_errorepc()); + rt_kprintf("Unknown Exception, EPC: 0x%p, CAUSE: 0x%08x\n", read_c0_epc(), read_c0_cause()); + rt_kprintf("Exception Name:%s\n",exception_name[(read_c0_cause() >> 2) & 0x1f]); +#ifdef SOC_LS2K1000 + rt_kprintf("ExeCode = 0x%08x,BadAddr = 0x%p\n",(read_c0_cause() >> 2) & 0x1f,mmu_tlb_get_bad_vaddr()); +#else + rt_kprintf("ExeCode = 0x%08x\n",(read_c0_cause() >> 2) & 0x1f); +#endif + rt_kprintf("ST0: 0x%08x ",regs->cp0_status); + rt_kprintf("ErrorPC: 0x%p\n",read_c0_errorepc()); mips_dump_regs(regs); rt_hw_cpu_shutdown(); } |