target/i386: Eliminate user stubs for read/write_crN, rd/wrmsr

Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210514151342.384376-45-richard.henderson@linaro.org>
qemu · May 19, 2021 · f7803b7 · f7803b7
1 parent 27bd321
commit f7803b7
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Showing 3 changed files with 8 additions and 24 deletions.
diff --git a/target/i386/helper.h b/target/i386/helper.h
@@ -42,8 +42,6 @@ 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)
 DEF_HELPER_3(lret_protected, void, env, int, int)
-DEF_HELPER_FLAGS_2(read_crN, TCG_CALL_NO_RWG, tl, env, int)
-DEF_HELPER_FLAGS_3(write_crN, TCG_CALL_NO_RWG, void, env, int, tl)
 DEF_HELPER_1(clts, void, env)
 
 #ifndef CONFIG_USER_ONLY
@@ -87,8 +85,6 @@ DEF_HELPER_1(cpuid, void, env)
 DEF_HELPER_1(rdtsc, void, env)
 DEF_HELPER_1(rdtscp, void, env)
 DEF_HELPER_FLAGS_1(rdpmc, TCG_CALL_NO_WG, noreturn, env)
-DEF_HELPER_1(rdmsr, void, env)
-DEF_HELPER_1(wrmsr, void, env)
 
 DEF_HELPER_2(check_iob, void, env, i32)
 DEF_HELPER_2(check_iow, void, env, i32)
@@ -114,6 +110,10 @@ DEF_HELPER_FLAGS_2(flush_page, TCG_CALL_NO_RWG, void, env, tl)
 DEF_HELPER_FLAGS_2(hlt, TCG_CALL_NO_WG, noreturn, env, int)
 DEF_HELPER_FLAGS_2(monitor, TCG_CALL_NO_WG, void, env, tl)
 DEF_HELPER_FLAGS_2(mwait, TCG_CALL_NO_WG, noreturn, env, int)
+DEF_HELPER_1(rdmsr, void, env)
+DEF_HELPER_1(wrmsr, void, env)
+DEF_HELPER_FLAGS_2(read_crN, TCG_CALL_NO_RWG, tl, env, int)
+DEF_HELPER_FLAGS_3(write_crN, TCG_CALL_NO_RWG, void, env, int, tl)
 #endif /* !CONFIG_USER_ONLY */
 
 /* x86 FPU */

diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
@@ -198,6 +198,8 @@ STUB_HELPER(flush_page, TCGv_env env, TCGv addr)
 STUB_HELPER(hlt, TCGv_env env, TCGv_i32 pc_ofs)
 STUB_HELPER(monitor, TCGv_env env, TCGv addr)
 STUB_HELPER(mwait, TCGv_env env, TCGv_i32 pc_ofs)
+STUB_HELPER(rdmsr, TCGv_env env)
+STUB_HELPER(read_crN, TCGv ret, TCGv_env env, TCGv_i32 reg)
 STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val)
 STUB_HELPER(stgi, TCGv_env env)
 STUB_HELPER(svm_check_intercept, TCGv_env env, TCGv_i32 type)
@@ -206,6 +208,8 @@ STUB_HELPER(vmload, TCGv_env env, TCGv_i32 aflag)
 STUB_HELPER(vmmcall, TCGv_env env)
 STUB_HELPER(vmrun, TCGv_env env, TCGv_i32 aflag, TCGv_i32 pc_ofs)
 STUB_HELPER(vmsave, TCGv_env env, TCGv_i32 aflag)
+STUB_HELPER(write_crN, TCGv_env env, TCGv_i32 reg, TCGv val)
+STUB_HELPER(wrmsr, TCGv_env env)
 #endif
 
 static void gen_eob(DisasContext *s);

diff --git a/target/i386/tcg/user/misc_stubs.c b/target/i386/tcg/user/misc_stubs.c
@@ -53,23 +53,3 @@ target_ulong helper_inl(CPUX86State *env, uint32_t port)
     g_assert_not_reached();
     return 0;
 }
-
-target_ulong helper_read_crN(CPUX86State *env, int reg)
-{
-    g_assert_not_reached();
-}
-
-void helper_write_crN(CPUX86State *env, int reg, target_ulong t0)
-{
-    g_assert_not_reached();
-}
-
-void helper_wrmsr(CPUX86State *env)
-{
-    g_assert_not_reached();
-}
-
-void helper_rdmsr(CPUX86State *env)
-{
-    g_assert_not_reached();
-}