{linux,bsd}-user: Introduce get_task_state()

A CPU's TaskState is stored in the CPUState's void *opaque field,
accessing which is somewhat awkward due to having to use a cast.
Introduce a wrapper and use it everywhere.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240219141628.246823-3-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-4-alex.bennee@linaro.org>

1 files changed, 9 insertions, 9 deletions

diff --git a/linux-user/vm86.c b/linux-user/vm86.c
index c2facf3fc2..9f512a2242 100644
--- a/linux-user/vm86.c
+++ b/linux-user/vm86.c
@@ -74,7 +74,7 @@ static inline unsigned int vm_getl(CPUX86State *env,
 void save_v86_state(CPUX86State *env)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
     struct target_vm86plus_struct * target_v86;
 
     if (!lock_user_struct(VERIFY_WRITE, target_v86, ts->target_v86, 0))
@@ -134,7 +134,7 @@ static inline void return_to_32bit(CPUX86State *env, int retval)
 static inline int set_IF(CPUX86State *env)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
 
     ts->v86flags |= VIF_MASK;
     if (ts->v86flags & VIP_MASK) {
@@ -147,7 +147,7 @@ static inline int set_IF(CPUX86State *env)
 static inline void clear_IF(CPUX86State *env)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
 
     ts->v86flags &= ~VIF_MASK;
 }
@@ -165,7 +165,7 @@ static inline void clear_AC(CPUX86State *env)
 static inline int set_vflags_long(unsigned long eflags, CPUX86State *env)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
 
     set_flags(ts->v86flags, eflags, ts->v86mask);
     set_flags(env->eflags, eflags, SAFE_MASK);
@@ -179,7 +179,7 @@ static inline int set_vflags_long(unsigned long eflags, CPUX86State *env)
 static inline int set_vflags_short(unsigned short flags, CPUX86State *env)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
 
     set_flags(ts->v86flags, flags, ts->v86mask & 0xffff);
     set_flags(env->eflags, flags, SAFE_MASK);
@@ -193,7 +193,7 @@ static inline int set_vflags_short(unsigned short flags, CPUX86State *env)
 static inline unsigned int get_vflags(CPUX86State *env)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
     unsigned int flags;
 
     flags = env->eflags & RETURN_MASK;
@@ -210,7 +210,7 @@ static inline unsigned int get_vflags(CPUX86State *env)
 static void do_int(CPUX86State *env, int intno)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
     uint32_t int_addr, segoffs, ssp;
     unsigned int sp;
 
@@ -269,7 +269,7 @@ void handle_vm86_trap(CPUX86State *env, int trapno)
 void handle_vm86_fault(CPUX86State *env)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
     uint32_t csp, ssp;
     unsigned int ip, sp, newflags, newip, newcs, opcode, intno;
     int data32, pref_done;
@@ -394,7 +394,7 @@ void handle_vm86_fault(CPUX86State *env)
 int do_vm86(CPUX86State *env, long subfunction, abi_ulong vm86_addr)
 {
     CPUState *cs = env_cpu(env);
-    TaskState *ts = cs->opaque;
+    TaskState *ts = get_task_state(cs);
     struct target_vm86plus_struct * target_v86;
     int ret;