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target/i386: Create helper_check_io

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Drop helper_check_io[bwl] and expose their common
subroutine to tcg directly.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210514151342.384376-49-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-05-14 10:13:40 -05:00
parent 1bca40fe42
commit e497803556
3 changed files with 5 additions and 34 deletions
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14
target/i386/tcg/translate.c
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@ -682,19 +682,7 @@ static bool gen_check_io(DisasContext *s, MemOp ot, TCGv_i32 port,
uint32_t svm_flags)
{
if (PE(s) && (CPL(s) > IOPL(s) || VM86(s))) {
switch (ot) {
case MO_8:
gen_helper_check_iob(cpu_env, port);
break;
case MO_16:
gen_helper_check_iow(cpu_env, port);
break;
case MO_32:
gen_helper_check_iol(cpu_env, port);
break;
default:
tcg_abort();
}
gen_helper_check_io(cpu_env, port, tcg_constant_i32(1 << ot));
}
if (GUEST(s)) {
target_ulong cur_eip = s->base.pc_next - s->cs_base;