| /branches/dd/kernel/arch/ia64/include/byteorder.h |
|---|
| File deleted |
| /branches/dd/kernel/arch/ia64/include/atomic.h |
|---|
| 52,12 → 52,12 |
| return v; |
| } |
| static inline uint64_t test_and_set(atomic_t *val) { |
| static inline uint64_t test_and_set(atomic_t *val) |
| { |
| uint64_t v; |
| asm volatile ( |
| "movl %0 = 0x01;;\n" |
| "movl %0 = 0x1;;\n" |
| "xchg8 %0 = %1, %0;;\n" |
| : "=r" (v), "+m" (val->count) |
| ); |
| 65,6 → 65,13 |
| return v; |
| } |
| static inline void atomic_lock_arch(atomic_t *val) |
| { |
| do { |
| while (val->count) |
| ; |
| } while (test_and_set(val)); |
| } |
| static inline void atomic_inc(atomic_t *val) |
| { |
| /branches/dd/kernel/arch/ia64/include/mm/tlb.h |
|---|
| 92,6 → 92,7 |
| extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate); |
| extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate); |
| extern void data_access_bit_fault(uint64_t vector, istate_t *istate); |
| extern void data_access_rights_fault(uint64_t vector, istate_t *istate); |
| extern void page_not_present(uint64_t vector, istate_t *istate); |
| #endif |
| /branches/dd/kernel/arch/ia64/Makefile.inc |
|---|
| 41,7 → 41,8 |
| LFLAGS += -EL |
| AFLAGS += -mconstant-gp |
| DEFS += -D__64_BITS__ |
| BITS = 64 |
| ENDIANESS = LE |
| ARCH_SOURCES = \ |
| arch/$(KARCH)/src/start.S \ |
| /branches/dd/kernel/arch/ia64/src/ivt.S |
|---|
| 536,7 → 536,7 |
| HEAVYWEIGHT_HANDLER 0x5000 page_not_present |
| HEAVYWEIGHT_HANDLER 0x5100 |
| HEAVYWEIGHT_HANDLER 0x5200 |
| HEAVYWEIGHT_HANDLER 0x5300 |
| HEAVYWEIGHT_HANDLER 0x5300 data_access_rights_fault |
| HEAVYWEIGHT_HANDLER 0x5400 general_exception |
| HEAVYWEIGHT_HANDLER 0x5500 disabled_fp_register |
| HEAVYWEIGHT_HANDLER 0x5600 |
| /branches/dd/kernel/arch/ia64/src/mm/tlb.c |
|---|
| 710,6 → 710,37 |
| page_table_unlock(AS, true); |
| } |
| /** Data access rights fault handler. |
| * |
| * @param vector Interruption vector. |
| * @param istate Structure with saved interruption state. |
| */ |
| void data_access_rights_fault(uint64_t vector, istate_t *istate) |
| { |
| region_register rr; |
| rid_t rid; |
| uintptr_t va; |
| pte_t *t; |
| va = istate->cr_ifa; /* faulting address */ |
| rr.word = rr_read(VA2VRN(va)); |
| rid = rr.map.rid; |
| /* |
| * Assume a write to a read-only page. |
| */ |
| page_table_lock(AS, true); |
| t = page_mapping_find(AS, va); |
| ASSERT(t && t->p); |
| ASSERT(!t->w); |
| if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) { |
| fault_if_from_uspace(istate, "Page fault at %p.", va); |
| panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid, |
| istate->cr_iip); |
| } |
| page_table_unlock(AS, true); |
| } |
| /** Page not present fault handler. |
| * |
| * @param vector Interruption vector. |