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

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",
vaddr, tlb_v, env->pc);
tlb_flush_page(env, vaddr);
if (tlb_v) {
tlb_flush_page(env, vaddr);
}
}
}
#endif