| /kernel/trunk/arch/mips32/include/exception.h |
|---|
| 34,6 → 34,7 |
| #endif |
| #include <typedefs.h> |
| #include <arch/cp0.h> |
| #define EXC_Int 0 |
| #define EXC_Mod 1 |
| 98,6 → 99,16 |
| istate->epc = retaddr; |
| } |
| /** Return true if exception happened while in userspace */ |
| static inline int istate_from_uspace(istate_t *istate) |
| { |
| return istate->status & cp0_status_um_bit; |
| } |
| static inline __native istate_get_pc(istate_t *istate) |
| { |
| return istate->epc; |
| } |
| extern void exception(istate_t *istate); |
| extern void tlb_refill_entry(void); |
| extern void exception_entry(void); |
| /kernel/trunk/arch/mips32/include/arg.h |
|---|
| 44,6 → 44,8 |
| #define va_arg(ap, type) \ |
| (((type *)((ap) = (va_list)( (sizeof(type) <= 4) ? ((__address)((ap) + 2*4 - 1) & (~3)) : ((__address)((ap) + 2*8 -1) & (~7)) )))[-1]) |
| #define va_copy(dst,src) ((dst)=(src)) |
| #define va_end(ap) |
| #endif |
| /kernel/trunk/arch/mips32/src/exception.c |
|---|
| 78,6 → 78,8 |
| static void unhandled_exception(int n, istate_t *istate) |
| { |
| fault_if_from_uspace(istate, "unhandled exception %s", exctable[n]); |
| print_regdump(istate); |
| panic("unhandled exception %s\n", exctable[n]); |
| } |
| 119,8 → 121,10 |
| { |
| if (cp0_cause_coperr(cp0_cause_read()) == fpu_cop_id) |
| scheduler_fpu_lazy_request(); |
| else |
| else { |
| fault_if_from_uspace(istate, "unhandled Coprocessor Unusable Exception"); |
| panic("unhandled Coprocessor Unusable Exception\n"); |
| } |
| } |
| #endif |
| /kernel/trunk/arch/mips32/src/mm/tlb.c |
|---|
| 39,6 → 39,7 |
| #include <print.h> |
| #include <debug.h> |
| #include <align.h> |
| #include <interrupt.h> |
| static void tlb_refill_fail(istate_t *istate); |
| static void tlb_invalid_fail(istate_t *istate); |
| 336,6 → 337,8 |
| s = get_symtab_entry(istate->ra); |
| if (s) |
| sym2 = s; |
| fault_if_from_uspace(istate, "TLB Refill Exception on %P", cp0_badvaddr_read()); |
| panic("%X: TLB Refill Exception at %X(%s<-%s)\n", cp0_badvaddr_read(), istate->epc, symbol, sym2); |
| } |
| 347,6 → 350,7 |
| char *s = get_symtab_entry(istate->epc); |
| if (s) |
| symbol = s; |
| fault_if_from_uspace(istate, "TLB Invalid Exception on %P", cp0_badvaddr_read()); |
| panic("%X: TLB Invalid Exception at %X(%s)\n", cp0_badvaddr_read(), istate->epc, symbol); |
| } |
| 357,6 → 361,7 |
| char *s = get_symtab_entry(istate->epc); |
| if (s) |
| symbol = s; |
| fault_if_from_uspace(istate, "TLB Modified Exception on %P", cp0_badvaddr_read()); |
| panic("%X: TLB Modified Exception at %X(%s)\n", cp0_badvaddr_read(), istate->epc, symbol); |
| } |