@@ -36,7 +36,7 @@
#include "tcg-cpus-icount.h"
#include "tcg-cpus-rr.h"
-static int64_t tcg_get_icount_limit(void)
+static int64_t icount_get_limit(void)
{
int64_t deadline;
@@ -68,37 +68,37 @@ static int64_t tcg_get_icount_limit(void)
}
}
-static void notify_aio_contexts(void)
+static void icount_notify_aio_contexts(void)
{
/* Wake up other AioContexts. */
qemu_clock_notify(QEMU_CLOCK_VIRTUAL);
qemu_clock_run_timers(QEMU_CLOCK_VIRTUAL);
}
-void handle_icount_deadline(void)
+void icount_handle_deadline(void)
{
assert(qemu_in_vcpu_thread());
int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL,
QEMU_TIMER_ATTR_ALL);
if (deadline == 0) {
- notify_aio_contexts();
+ icount_notify_aio_contexts();
}
}
-void prepare_icount_for_run(CPUState *cpu)
+void icount_prepare_for_run(CPUState *cpu)
{
int insns_left;
/*
- * These should always be cleared by process_icount_data after
+ * These should always be cleared by icount_process_data after
* each vCPU execution. However u16.high can be raised
- * asynchronously by cpu_exit/cpu_interrupt/tcg_handle_interrupt
+ * asynchronously by cpu_exit/cpu_interrupt/tcg_cpus_handle_interrupt
*/
g_assert(cpu_neg(cpu)->icount_decr.u16.low == 0);
g_assert(cpu->icount_extra == 0);
- cpu->icount_budget = tcg_get_icount_limit();
+ cpu->icount_budget = icount_get_limit();
insns_left = MIN(0xffff, cpu->icount_budget);
cpu_neg(cpu)->icount_decr.u16.low = insns_left;
cpu->icount_extra = cpu->icount_budget - insns_left;
@@ -106,11 +106,11 @@ void prepare_icount_for_run(CPUState *cpu)
replay_mutex_lock();
if (cpu->icount_budget == 0 && replay_has_checkpoint()) {
- notify_aio_contexts();
+ icount_notify_aio_contexts();
}
}
-void process_icount_data(CPUState *cpu)
+void icount_process_data(CPUState *cpu)
{
/* Account for executed instructions */
icount_update(cpu);
@@ -129,7 +129,7 @@ static void icount_handle_interrupt(CPUState *cpu, int mask)
{
int old_mask = cpu->interrupt_request;
- tcg_handle_interrupt(cpu, mask);
+ tcg_cpus_handle_interrupt(cpu, mask);
if (qemu_cpu_is_self(cpu) &&
!cpu->can_do_io
&& (mask & ~old_mask) != 0) {
@@ -139,7 +139,7 @@ static void icount_handle_interrupt(CPUState *cpu, int mask)
const CpusAccel tcg_cpus_icount = {
.create_vcpu_thread = rr_start_vcpu_thread,
- .kick_vcpu_thread = qemu_cpu_kick_rr_cpus,
+ .kick_vcpu_thread = rr_kick_vcpu_thread,
.handle_interrupt = icount_handle_interrupt,
.get_virtual_clock = icount_get,
@@ -10,8 +10,8 @@
#ifndef TCG_CPUS_ICOUNT_H
#define TCG_CPUS_ICOUNT_H
-void handle_icount_deadline(void);
-void prepare_icount_for_run(CPUState *cpu);
-void process_icount_data(CPUState *cpu);
+void icount_handle_deadline(void);
+void icount_prepare_for_run(CPUState *cpu);
+void icount_process_data(CPUState *cpu);
#endif /* TCG_CPUS_ICOUNT_H */
@@ -40,7 +40,7 @@
* current CPUState for a given thread.
*/
-static void *tcg_cpu_thread_fn(void *arg)
+static void *mttcg_cpu_thread_fn(void *arg)
{
CPUState *cpu = arg;
@@ -66,7 +66,7 @@ static void *tcg_cpu_thread_fn(void *arg)
if (cpu_can_run(cpu)) {
int r;
qemu_mutex_unlock_iothread();
- r = tcg_cpu_exec(cpu);
+ r = tcg_cpus_exec(cpu);
qemu_mutex_lock_iothread();
switch (r) {
case EXCP_DEBUG:
@@ -97,7 +97,7 @@ static void *tcg_cpu_thread_fn(void *arg)
qemu_wait_io_event(cpu);
} while (!cpu->unplug || cpu_can_run(cpu));
- qemu_tcg_destroy_vcpu(cpu);
+ tcg_cpus_destroy(cpu);
qemu_mutex_unlock_iothread();
rcu_unregister_thread();
return NULL;
@@ -124,7 +124,7 @@ static void mttcg_start_vcpu_thread(CPUState *cpu)
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/TCG",
cpu->cpu_index);
- qemu_thread_create(cpu->thread, thread_name, tcg_cpu_thread_fn,
+ qemu_thread_create(cpu->thread, thread_name, mttcg_cpu_thread_fn,
cpu, QEMU_THREAD_JOINABLE);
#ifdef _WIN32
@@ -136,5 +136,5 @@ const CpusAccel tcg_cpus_mttcg = {
.create_vcpu_thread = mttcg_start_vcpu_thread,
.kick_vcpu_thread = mttcg_kick_vcpu_thread,
- .handle_interrupt = tcg_handle_interrupt,
+ .handle_interrupt = tcg_cpus_handle_interrupt,
};
@@ -37,7 +37,7 @@
#include "tcg-cpus-icount.h"
/* Kick all RR vCPUs */
-void qemu_cpu_kick_rr_cpus(CPUState *unused)
+void rr_kick_vcpu_thread(CPUState *unused)
{
CPUState *cpu;
@@ -58,62 +58,62 @@ void qemu_cpu_kick_rr_cpus(CPUState *unused)
* idleness is complete.
*/
-static QEMUTimer *tcg_kick_vcpu_timer;
-static CPUState *tcg_current_rr_cpu;
+static QEMUTimer *rr_kick_vcpu_timer;
+static CPUState *rr_current_cpu;
#define TCG_KICK_PERIOD (NANOSECONDS_PER_SECOND / 10)
-static inline int64_t qemu_tcg_next_kick(void)
+static inline int64_t rr_next_kick_time(void)
{
return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + TCG_KICK_PERIOD;
}
/* Kick the currently round-robin scheduled vCPU to next */
-static void qemu_cpu_kick_rr_next_cpu(void)
+static void rr_kick_next_cpu(void)
{
CPUState *cpu;
do {
- cpu = qatomic_mb_read(&tcg_current_rr_cpu);
+ cpu = qatomic_mb_read(&rr_current_cpu);
if (cpu) {
cpu_exit(cpu);
}
- } while (cpu != qatomic_mb_read(&tcg_current_rr_cpu));
+ } while (cpu != qatomic_mb_read(&rr_current_cpu));
}
-static void kick_tcg_thread(void *opaque)
+static void rr_kick_thread(void *opaque)
{
- timer_mod(tcg_kick_vcpu_timer, qemu_tcg_next_kick());
- qemu_cpu_kick_rr_next_cpu();
+ timer_mod(rr_kick_vcpu_timer, rr_next_kick_time());
+ rr_kick_next_cpu();
}
-static void start_tcg_kick_timer(void)
+static void rr_start_kick_timer(void)
{
- if (!tcg_kick_vcpu_timer && CPU_NEXT(first_cpu)) {
- tcg_kick_vcpu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
- kick_tcg_thread, NULL);
+ if (!rr_kick_vcpu_timer && CPU_NEXT(first_cpu)) {
+ rr_kick_vcpu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
+ rr_kick_thread, NULL);
}
- if (tcg_kick_vcpu_timer && !timer_pending(tcg_kick_vcpu_timer)) {
- timer_mod(tcg_kick_vcpu_timer, qemu_tcg_next_kick());
+ if (rr_kick_vcpu_timer && !timer_pending(rr_kick_vcpu_timer)) {
+ timer_mod(rr_kick_vcpu_timer, rr_next_kick_time());
}
}
-static void stop_tcg_kick_timer(void)
+static void rr_stop_kick_timer(void)
{
- if (tcg_kick_vcpu_timer && timer_pending(tcg_kick_vcpu_timer)) {
- timer_del(tcg_kick_vcpu_timer);
+ if (rr_kick_vcpu_timer && timer_pending(rr_kick_vcpu_timer)) {
+ timer_del(rr_kick_vcpu_timer);
}
}
-static void qemu_tcg_rr_wait_io_event(void)
+static void rr_wait_io_event(void)
{
CPUState *cpu;
while (all_cpu_threads_idle()) {
- stop_tcg_kick_timer();
+ rr_stop_kick_timer();
qemu_cond_wait_iothread(first_cpu->halt_cond);
}
- start_tcg_kick_timer();
+ rr_start_kick_timer();
CPU_FOREACH(cpu) {
qemu_wait_io_event_common(cpu);
@@ -124,13 +124,13 @@ static void qemu_tcg_rr_wait_io_event(void)
* Destroy any remaining vCPUs which have been unplugged and have
* finished running
*/
-static void deal_with_unplugged_cpus(void)
+static void rr_deal_with_unplugged_cpus(void)
{
CPUState *cpu;
CPU_FOREACH(cpu) {
if (cpu->unplug && !cpu_can_run(cpu)) {
- qemu_tcg_destroy_vcpu(cpu);
+ tcg_cpus_destroy(cpu);
break;
}
}
@@ -144,7 +144,7 @@ static void deal_with_unplugged_cpus(void)
* elsewhere.
*/
-static void *tcg_rr_cpu_thread_fn(void *arg)
+static void *rr_cpu_thread_fn(void *arg)
{
CPUState *cpu = arg;
@@ -171,7 +171,7 @@ static void *tcg_rr_cpu_thread_fn(void *arg)
}
}
- start_tcg_kick_timer();
+ rr_start_kick_timer();
cpu = first_cpu;
@@ -190,7 +190,7 @@ static void *tcg_rr_cpu_thread_fn(void *arg)
* Run the timers here. This is much more efficient than
* waking up the I/O thread and waiting for completion.
*/
- handle_icount_deadline();
+ icount_handle_deadline();
}
replay_mutex_unlock();
@@ -201,7 +201,7 @@ static void *tcg_rr_cpu_thread_fn(void *arg)
while (cpu && cpu_work_list_empty(cpu) && !cpu->exit_request) {
- qatomic_mb_set(&tcg_current_rr_cpu, cpu);
+ qatomic_mb_set(&rr_current_cpu, cpu);
current_cpu = cpu;
qemu_clock_enable(QEMU_CLOCK_VIRTUAL,
@@ -212,11 +212,11 @@ static void *tcg_rr_cpu_thread_fn(void *arg)
qemu_mutex_unlock_iothread();
if (icount_enabled()) {
- prepare_icount_for_run(cpu);
+ icount_prepare_for_run(cpu);
}
- r = tcg_cpu_exec(cpu);
+ r = tcg_cpus_exec(cpu);
if (icount_enabled()) {
- process_icount_data(cpu);
+ icount_process_data(cpu);
}
qemu_mutex_lock_iothread();
@@ -240,7 +240,7 @@ static void *tcg_rr_cpu_thread_fn(void *arg)
} /* while (cpu && !cpu->exit_request).. */
/* Does not need qatomic_mb_set because a spurious wakeup is okay. */
- qatomic_set(&tcg_current_rr_cpu, NULL);
+ qatomic_set(&rr_current_cpu, NULL);
if (cpu && cpu->exit_request) {
qatomic_mb_set(&cpu->exit_request, 0);
@@ -254,8 +254,8 @@ static void *tcg_rr_cpu_thread_fn(void *arg)
qemu_notify_event();
}
- qemu_tcg_rr_wait_io_event();
- deal_with_unplugged_cpus();
+ rr_wait_io_event();
+ rr_deal_with_unplugged_cpus();
}
rcu_unregister_thread();
@@ -279,7 +279,7 @@ void rr_start_vcpu_thread(CPUState *cpu)
/* share a single thread for all cpus with TCG */
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "ALL CPUs/TCG");
qemu_thread_create(cpu->thread, thread_name,
- tcg_rr_cpu_thread_fn,
+ rr_cpu_thread_fn,
cpu, QEMU_THREAD_JOINABLE);
single_tcg_halt_cond = cpu->halt_cond;
@@ -299,7 +299,7 @@ void rr_start_vcpu_thread(CPUState *cpu)
const CpusAccel tcg_cpus_rr = {
.create_vcpu_thread = rr_start_vcpu_thread,
- .kick_vcpu_thread = qemu_cpu_kick_rr_cpus,
+ .kick_vcpu_thread = rr_kick_vcpu_thread,
- .handle_interrupt = tcg_handle_interrupt,
+ .handle_interrupt = tcg_cpus_handle_interrupt,
};
@@ -13,7 +13,7 @@
#define TCG_KICK_PERIOD (NANOSECONDS_PER_SECOND / 10)
/* Kick all RR vCPUs. */
-void qemu_cpu_kick_rr_cpus(CPUState *unused);
+void rr_kick_vcpu_thread(CPUState *unused);
/* start the round robin vcpu thread */
void rr_start_vcpu_thread(CPUState *cpu);
@@ -38,12 +38,12 @@
/* common functionality among all TCG variants */
-void qemu_tcg_destroy_vcpu(CPUState *cpu)
+void tcg_cpus_destroy(CPUState *cpu)
{
cpu_thread_signal_destroyed(cpu);
}
-int tcg_cpu_exec(CPUState *cpu)
+int tcg_cpus_exec(CPUState *cpu)
{
int ret;
#ifdef CONFIG_PROFILER
@@ -64,7 +64,7 @@ int tcg_cpu_exec(CPUState *cpu)
}
/* mask must never be zero, except for A20 change call */
-void tcg_handle_interrupt(CPUState *cpu, int mask)
+void tcg_cpus_handle_interrupt(CPUState *cpu, int mask)
{
g_assert(qemu_mutex_iothread_locked());
@@ -18,8 +18,8 @@ extern const CpusAccel tcg_cpus_mttcg;
extern const CpusAccel tcg_cpus_icount;
extern const CpusAccel tcg_cpus_rr;
-void qemu_tcg_destroy_vcpu(CPUState *cpu);
-int tcg_cpu_exec(CPUState *cpu);
-void tcg_handle_interrupt(CPUState *cpu, int mask);
+void tcg_cpus_destroy(CPUState *cpu);
+int tcg_cpus_exec(CPUState *cpu);
+void tcg_cpus_handle_interrupt(CPUState *cpu, int mask);
#endif /* TCG_CPUS_H */