[PULL 40/50] target/i386: Pass env to do_pause and do_hlt

[Richard Henderson <richard.henderson@linaro.org>]

Having the callers upcast to X86CPU is a waste, since we
don't need it.  We even have to recover env in do_hlt.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-41-richard.henderson@linaro.org>
---
 target/i386/tcg/misc_helper.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c
index 931dbd9db0..23287b330e 100644
--- a/target/i386/tcg/misc_helper.c
+++ b/target/i386/tcg/misc_helper.c
@@ -101,19 +101,18 @@ void QEMU_NORETURN helper_rdpmc(CPUX86State *env)
     raise_exception_err(env, EXCP06_ILLOP, 0);
 }
 
-static QEMU_NORETURN void do_pause(X86CPU *cpu)
+static void QEMU_NORETURN do_pause(CPUX86State *env)
 {
-    CPUState *cs = CPU(cpu);
+    CPUState *cs = env_cpu(env);
 
     /* Just let another CPU run.  */
     cs->exception_index = EXCP_INTERRUPT;
     cpu_loop_exit(cs);
 }
 
-static QEMU_NORETURN void do_hlt(X86CPU *cpu)
+static void QEMU_NORETURN do_hlt(CPUX86State *env)
 {
-    CPUState *cs = CPU(cpu);
-    CPUX86State *env = &cpu->env;
+    CPUState *cs = env_cpu(env);
 
     env->hflags &= ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before */
     cs->halted = 1;
@@ -123,12 +122,10 @@ static QEMU_NORETURN void do_hlt(X86CPU *cpu)
 
 void QEMU_NORETURN helper_hlt(CPUX86State *env, int next_eip_addend)
 {
-    X86CPU *cpu = env_archcpu(env);
-
     cpu_svm_check_intercept_param(env, SVM_EXIT_HLT, 0, GETPC());
     env->eip += next_eip_addend;
 
-    do_hlt(cpu);
+    do_hlt(env);
 }
 
 void helper_monitor(CPUX86State *env, target_ulong ptr)
@@ -143,7 +140,6 @@ void helper_monitor(CPUX86State *env, target_ulong ptr)
 void QEMU_NORETURN helper_mwait(CPUX86State *env, int next_eip_addend)
 {
     CPUState *cs = env_cpu(env);
-    X86CPU *cpu = env_archcpu(env);
 
     if ((uint32_t)env->regs[R_ECX] != 0) {
         raise_exception_ra(env, EXCP0D_GPF, GETPC());
@@ -153,20 +149,18 @@ void QEMU_NORETURN helper_mwait(CPUX86State *env, int next_eip_addend)
 
     /* XXX: not complete but not completely erroneous */
     if (cs->cpu_index != 0 || CPU_NEXT(cs) != NULL) {
-        do_pause(cpu);
+        do_pause(env);
     } else {
-        do_hlt(cpu);
+        do_hlt(env);
     }
 }
 
 void QEMU_NORETURN helper_pause(CPUX86State *env, int next_eip_addend)
 {
-    X86CPU *cpu = env_archcpu(env);
-
     cpu_svm_check_intercept_param(env, SVM_EXIT_PAUSE, 0, GETPC());
     env->eip += next_eip_addend;
 
-    do_pause(cpu);
+    do_pause(env);
 }
 
 void QEMU_NORETURN helper_debug(CPUX86State *env)
-- 
2.25.1