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linux-user/nios2: Drop syscall 0 "workaround" 

Syscall 0 is __NR_io_setup for this target; there is nothing
to work around.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: a0a839b65b ("nios2: Add usermode binaries emulation")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-4-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-21 08:16:34 -07:00
parent 42192df83a
commit 66254caa42
1 changed files with 0 additions and 4 deletions
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4
linux-user/nios2/cpu_loop.c
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@ -55,10 +55,6 @@ void cpu_loop(CPUNios2State *env)
env->regs[7], env->regs[8], env->regs[9],
0, 0);
if (env->regs[2] == 0) { /* FIXME: syscall 0 workaround */
ret = 0;
}
env->regs[2] = abs(ret);
/* Return value is 0..4096 */
env->regs[7] = ret > 0xfffff000u;