| /kernel/trunk/arch/ppc32/src/exception.S |
|---|
| 205,7 → 205,7 |
| .org 0x900 |
| .global exc_decrementer |
| exc_decrementer: |
| CONTEXT_STORE |
| CONTEXT_STORE |
| lis r12, exc_dispatch@ha |
| addi r12, r12, exc_dispatch@l |
| /kernel/trunk/arch/ppc32/src/asm.S |
|---|
| 134,6 → 134,11 |
| iret_syscall: |
| # reset decrementer |
| li r31, 1000 |
| mtdec r31 |
| # disable interrupts |
| mfmsr r31 |
| /kernel/trunk/arch/ppc32/src/proc/scheduler.c |
|---|
| 41,6 → 41,7 |
| void before_thread_runs_arch(void) |
| { |
| pht_init(); |
| tlb_invalidate_all(); |
| asm volatile ( |
| "mtsprg0 %0\n" |
| : |
| /kernel/trunk/arch/ppc32/src/mm/tlb.c |
|---|
| 36,17 → 36,41 |
| */ |
| void tlb_arch_init(void) |
| { |
| tlb_invalidate_all(); |
| } |
| void tlb_invalidate_all(void) |
| { |
| asm volatile ( |
| "tlbia\n" |
| "tlbsync\n" |
| ); |
| } |
| void tlb_invalidate_all(void) |
| /** Invalidate all entries in TLB that belong to specified address space. |
| * |
| * @param asid This parameter is ignored as the architecture doesn't support it. |
| */ |
| void tlb_invalidate_asid(asid_t asid) |
| { |
| tlb_invalidate_all(); |
| } |
| /** Invalidate TLB entries for specified page range belonging to specified address space. |
| * |
| * @param asid This parameter is ignored as the architecture doesn't support it. |
| * @param page Address of the first page whose entry is to be invalidated. |
| * @param cnt Number of entries to invalidate. |
| */ |
| void tlb_invalidate_pages(asid_t asid, __address page, count_t cnt) |
| { |
| tlb_invalidate_all(); |
| } |
| /** Print contents of Page Hash Table. */ |
| void tlb_print(void) |
| { |
| /kernel/trunk/arch/ppc32/src/mm/page.c |
|---|
| 181,7 → 181,6 |
| */ |
| void pht_refill(bool data, istate_t *istate) |
| { |
| asid_t asid; |
| __address badvaddr; |
| pte_t *pte; |
| int pfcr; |
| 204,10 → 203,6 |
| } else |
| badvaddr = istate->pc; |
| spinlock_lock(&as->lock); |
| asid = as->asid; |
| spinlock_unlock(&as->lock); |
| page_table_lock(as, lock); |
| pte = find_mapping_and_check(as, lock, badvaddr, istate, &pfcr); |
| /kernel/trunk/arch/ppc32/src/dummy.s |
|---|
| 29,17 → 29,8 |
| .text |
| .global asm_delay_loop |
| .global userspace |
| .global sys_tls_set |
| .global tlb_invalidate_asid |
| .global tlb_invalidate_pages |
| tlb_invalidate_asid: |
| b tlb_invalidate_asid |
| tlb_invalidate_pages: |
| b tlb_invalidate_pages |
| sys_tls_set: |
| b sys_tls_set |