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

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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>
This commit is contained in:
Ilya Leoshkevich
2024-03-05 12:09:39 +00:00
committed by Alex Bennée
parent 1ea96f1ded
commit e4e5cb4a54
25 changed files with 85 additions and 75 deletions
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18
linux-user/vm86.c
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@ -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;