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cris: Consider the TLB valid bit on writes to the TLB

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When updating the guest TLB we only need to flush previous
mappings from the entry written if the entry was valid.

Also fixes a compiler warning reported by Blue Swirl.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2010-10-07 21:20:52 +02:00
parent 4447d60968
commit 3e18c6bf77
1 changed files with 3 additions and 1 deletions
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4
target-cris/op_helper.c
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@ -164,7 +164,9 @@ void helper_movl_sreg_reg (uint32_t sreg, uint32_t reg)
D_LOG("tlb flush vaddr=%x v=%d pc=%x\n", D_LOG("tlb flush vaddr=%x v=%d pc=%x\n",
vaddr, tlb_v, env->pc); vaddr, tlb_v, env->pc);
tlb_flush_page(env, vaddr); if (tlb_v) {
tlb_flush_page(env, vaddr);
}
} }
} }
#endif #endif