diff options
| author | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-22 20:51:28 +0000 |
|---|---|---|
| committer | edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-22 20:51:28 +0000 |
| commit | 28de16da38f20b3fe76fa80d10561c3a998342e2 (patch) | |
| tree | cd05930d4e9a1e936e20ddf9c11a1d9d4f18c3b7 /target-cris/mmu.c | |
| parent | 4a6b819c09473acc362a9959603017a549d85ce3 (diff) | |
CRIS: Improve ASID related TLB flushes.
* Speedup and correct ASID (PID) related TLB flushes.
* Use 64bit tcg load/stores to emulate movem.
* Remove unused helpers and other minor cleanups.
Signed-off-by: Edgar E. Iglesias <edgar@axis.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5302 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-cris/mmu.c')
| -rw-r--r-- | target-cris/mmu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/target-cris/mmu.c b/target-cris/mmu.c index 5d21eaa5f4..f270d5b8fc 100644 --- a/target-cris/mmu.c +++ b/target-cris/mmu.c @@ -140,7 +140,7 @@ static int cris_mmu_translate_page(struct cris_mmu_result_t *res, r_cause = env->sregs[SFR_R_MM_CAUSE]; r_cfg = env->sregs[SFR_RW_MM_CFG]; - pid = env->pregs[PR_PID]; + pid = env->pregs[PR_PID] & 0xff; switch (rw) { case 2: rwcause = CRIS_MMU_ERR_EXEC; mmu = 0; break; @@ -270,7 +270,7 @@ static int cris_mmu_translate_page(struct cris_mmu_result_t *res, /* Update RW_MM_CAUSE. */ set_field(&r_cause, rwcause, 8, 2); set_field(&r_cause, vpage, 13, 19); - set_field(&r_cause, env->pregs[PR_PID], 0, 8); + set_field(&r_cause, pid, 0, 8); env->sregs[SFR_R_MM_CAUSE] = r_cause; D(printf("refill vaddr=%x pc=%x\n", vaddr, env->pc)); } @@ -280,7 +280,7 @@ static int cris_mmu_translate_page(struct cris_mmu_result_t *res, __func__, rw, match, env->pc, vaddr, vpage, tlb_vpn, tlb_pfn, tlb_pid, - env->pregs[PR_PID], + pid, r_cause, env->sregs[SFR_RW_MM_TLB_SEL], env->regs[R_SP], env->pregs[PR_USP], env->ksp)); @@ -315,7 +315,7 @@ void cris_mmu_flush_pid(CPUState *env, uint32_t pid) /* Kernel protected areas need to be flushed as well. */ - if (tlb_v && !tlb_g) { + if (tlb_v && !tlb_g && (tlb_pid == pid || tlb_k)) { vaddr = tlb_vpn << TARGET_PAGE_BITS; D(fprintf(logfile, "flush pid=%x vaddr=%x\n", |