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target/i386: Truncate values for lcall_real to i32

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Use i32 not int or tl for eip and cs arguments.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221001140935.465607-15-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Richard Henderson 2022-10-01 07:09:23 -07:00 committed by Paolo Bonzini
parent faf9ea5fa5
commit 8c03ab9f74
3 changed files with 5 additions and 6 deletions
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2
target/i386/helper.h
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@ -37,7 +37,7 @@ DEF_HELPER_2(lldt, void, env, int)
DEF_HELPER_2(ltr, void, env, int)
DEF_HELPER_3(load_seg, void, env, int, int)
DEF_HELPER_4(ljmp_protected, void, env, int, tl, tl)
DEF_HELPER_5(lcall_real, void, env, int, tl, int, int)
DEF_HELPER_5(lcall_real, void, env, i32, i32, int, i32)
DEF_HELPER_5(lcall_protected, void, env, int, tl, int, tl)
DEF_HELPER_2(iret_real, void, env, int)
DEF_HELPER_3(iret_protected, void, env, int, int)

6
target/i386/tcg/seg_helper.c
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@ -1504,14 +1504,12 @@ void helper_ljmp_protected(CPUX86State *env, int new_cs, target_ulong new_eip,
}
/* real mode call */
void helper_lcall_real(CPUX86State *env, int new_cs, target_ulong new_eip1,
int shift, int next_eip)
void helper_lcall_real(CPUX86State *env, uint32_t new_cs, uint32_t new_eip,
int shift, uint32_t next_eip)
{
int new_eip;
uint32_t esp, esp_mask;
target_ulong ssp;
new_eip = new_eip1;
esp = env->regs[R_ESP];
esp_mask = get_sp_mask(env->segs[R_SS].flags);
ssp = env->segs[R_SS].base;

3
target/i386/tcg/translate.c
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@ -5346,7 +5346,8 @@ static bool disas_insn(DisasContext *s, CPUState *cpu)
tcg_const_tl(s->pc - s->cs_base));
} else {
tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0);
gen_helper_lcall_real(cpu_env, s->tmp2_i32, s->T1,
tcg_gen_trunc_tl_i32(s->tmp3_i32, s->T1);
gen_helper_lcall_real(cpu_env, s->tmp2_i32, s->tmp3_i32,
tcg_const_i32(dflag - 1),
tcg_const_i32(s->pc - s->cs_base));
}