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tcg: make CPUClass.cpu_exec_* optional 

This will let us simplify the code that initializes CPU class
methods, when we move cpu_exec_*() to a separate struct.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20201212155530.23098-11-cfontana@suse.de>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2020-12-12 16:55:17 +01:00
parent 035ba06c2e
commit 80c4750ba8
1 changed files with 8 additions and 3 deletions
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11
accel/tcg/cpu-exec.c
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@ -240,14 +240,18 @@ static void cpu_exec_enter(CPUState *cpu)
{ {
CPUClass *cc = CPU_GET_CLASS(cpu); CPUClass *cc = CPU_GET_CLASS(cpu);
cc->cpu_exec_enter(cpu); if (cc->cpu_exec_enter) {
cc->cpu_exec_enter(cpu);
}
} }
static void cpu_exec_exit(CPUState *cpu) static void cpu_exec_exit(CPUState *cpu)
{ {
CPUClass *cc = CPU_GET_CLASS(cpu); CPUClass *cc = CPU_GET_CLASS(cpu);
cc->cpu_exec_exit(cpu); if (cc->cpu_exec_exit) {
cc->cpu_exec_exit(cpu);
}
} }
void cpu_exec_step_atomic(CPUState *cpu) void cpu_exec_step_atomic(CPUState *cpu)
@ -619,7 +623,8 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
True when it is, and we should restart on a new TB, True when it is, and we should restart on a new TB,
and via longjmp via cpu_loop_exit. */ and via longjmp via cpu_loop_exit. */
else { else {
if (cc->cpu_exec_interrupt(cpu, interrupt_request)) { if (cc->cpu_exec_interrupt &&
cc->cpu_exec_interrupt(cpu, interrupt_request)) {
if (need_replay_interrupt(interrupt_request)) { if (need_replay_interrupt(interrupt_request)) {
replay_interrupt(); replay_interrupt();
} }