diff options
Diffstat (limited to 'cpu-exec.c')
-rw-r--r-- | cpu-exec.c | 59 |
1 files changed, 0 insertions, 59 deletions
@@ -25,7 +25,6 @@ #include "sysemu/qtest.h" #include "qemu/timer.h" #include "exec/address-spaces.h" -#include "exec/memory-internal.h" #include "qemu/rcu.h" #include "exec/tb-hash.h" @@ -128,61 +127,6 @@ static void init_delay_params(SyncClocks *sc, const CPUState *cpu) } #endif /* CONFIG USER ONLY */ -void cpu_loop_exit(CPUState *cpu) -{ - cpu->current_tb = NULL; - siglongjmp(cpu->jmp_env, 1); -} - -void cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc) -{ - if (pc) { - cpu_restore_state(cpu, pc); - } - cpu->current_tb = NULL; - siglongjmp(cpu->jmp_env, 1); -} - -/* exit the current TB from a signal handler. The host registers are - restored in a state compatible with the CPU emulator - */ -#if defined(CONFIG_SOFTMMU) -void cpu_resume_from_signal(CPUState *cpu, void *puc) -{ - /* XXX: restore cpu registers saved in host registers */ - - cpu->exception_index = -1; - siglongjmp(cpu->jmp_env, 1); -} - -void cpu_reload_memory_map(CPUState *cpu) -{ - AddressSpaceDispatch *d; - - if (qemu_in_vcpu_thread()) { - /* Do not let the guest prolong the critical section as much as it - * as it desires. - * - * Currently, this is prevented by the I/O thread's periodinc kicking - * of the VCPU thread (iothread_requesting_mutex, qemu_cpu_kick_thread) - * but this will go away once TCG's execution moves out of the global - * mutex. - * - * This pair matches cpu_exec's rcu_read_lock()/rcu_read_unlock(), which - * only protects cpu->as->dispatch. Since we reload it below, we can - * split the critical section. - */ - rcu_read_unlock(); - rcu_read_lock(); - } - - /* The CPU and TLB are protected by the iothread lock. */ - d = atomic_rcu_read(&cpu->as->dispatch); - cpu->memory_dispatch = d; - tlb_flush(cpu, 1); -} -#endif - /* Execute a TB, and fix up the CPU state afterwards if necessary */ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, uint8_t *tb_ptr) { @@ -385,9 +329,6 @@ static void cpu_handle_debug_exception(CPUState *cpu) /* main execution loop */ -bool exit_request; -CPUState *tcg_current_cpu; - int cpu_exec(CPUState *cpu) { CPUClass *cc = CPU_GET_CLASS(cpu); |