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target/avr: Move cpu register accesses into system memory
Integrate the i/o 0x00-0x1f and 0x38-0x3f loopbacks into the cpu registers with normal address space accesses. We no longer need to trap accesses to the first page within avr_cpu_tlb_fill but can wait until a write occurs. Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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5 changed files with 138 additions and 153 deletions
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@ -23,7 +23,4 @@ DEF_HELPER_1(debug, noreturn, env)
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DEF_HELPER_1(break, noreturn, env)
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DEF_HELPER_1(sleep, noreturn, env)
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DEF_HELPER_1(unsupported, noreturn, env)
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DEF_HELPER_3(outb, void, env, i32, i32)
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DEF_HELPER_2(inb, tl, env, i32)
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DEF_HELPER_3(fullwr, void, env, i32, i32)
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DEF_HELPER_2(fullrd, tl, env, i32)
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