diff options
author | Claudio Fontana <cfontana@suse.de> | 2020-07-07 11:18:49 +0200 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-10-05 16:41:22 +0200 |
commit | e92558e4bf8059ce4f0b310afe218802b72766bc (patch) | |
tree | b73d3b6f5bdc98686d3cc70b31d48472fef18121 /softmmu | |
parent | 57038a92bb06111fbee57f56c0231359573e805d (diff) |
cpus: extract out hax-specific code to target/i386/
register a "CpusAccel" interface for HAX as well.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'softmmu')
-rw-r--r-- | softmmu/cpus.c | 80 |
1 files changed, 1 insertions, 79 deletions
diff --git a/softmmu/cpus.c b/softmmu/cpus.c index 9fa73735a2..900fff827a 100644 --- a/softmmu/cpus.c +++ b/softmmu/cpus.c @@ -33,7 +33,6 @@ #include "exec/gdbstub.h" #include "sysemu/hw_accel.h" #include "sysemu/kvm.h" -#include "sysemu/hax.h" #include "sysemu/hvf.h" #include "sysemu/whpx.h" #include "exec/exec-all.h" @@ -179,9 +178,6 @@ void cpu_synchronize_state(CPUState *cpu) if (cpus_accel && cpus_accel->synchronize_state) { cpus_accel->synchronize_state(cpu); } - if (hax_enabled()) { - hax_cpu_synchronize_state(cpu); - } if (whpx_enabled()) { whpx_cpu_synchronize_state(cpu); } @@ -192,9 +188,6 @@ void cpu_synchronize_post_reset(CPUState *cpu) if (cpus_accel && cpus_accel->synchronize_post_reset) { cpus_accel->synchronize_post_reset(cpu); } - if (hax_enabled()) { - hax_cpu_synchronize_post_reset(cpu); - } if (whpx_enabled()) { whpx_cpu_synchronize_post_reset(cpu); } @@ -205,9 +198,6 @@ void cpu_synchronize_post_init(CPUState *cpu) if (cpus_accel && cpus_accel->synchronize_post_init) { cpus_accel->synchronize_post_init(cpu); } - if (hax_enabled()) { - hax_cpu_synchronize_post_init(cpu); - } if (whpx_enabled()) { whpx_cpu_synchronize_post_init(cpu); } @@ -218,9 +208,6 @@ void cpu_synchronize_pre_loadvm(CPUState *cpu) if (cpus_accel && cpus_accel->synchronize_pre_loadvm) { cpus_accel->synchronize_pre_loadvm(cpu); } - if (hax_enabled()) { - hax_cpu_synchronize_pre_loadvm(cpu); - } if (hvf_enabled()) { hvf_cpu_synchronize_pre_loadvm(cpu); } @@ -416,35 +403,6 @@ void qemu_wait_io_event(CPUState *cpu) qemu_wait_io_event_common(cpu); } -static void *qemu_hax_cpu_thread_fn(void *arg) -{ - CPUState *cpu = arg; - int r; - - rcu_register_thread(); - qemu_mutex_lock_iothread(); - qemu_thread_get_self(cpu->thread); - - cpu->thread_id = qemu_get_thread_id(); - current_cpu = cpu; - hax_init_vcpu(cpu); - cpu_thread_signal_created(cpu); - qemu_guest_random_seed_thread_part2(cpu->random_seed); - - do { - if (cpu_can_run(cpu)) { - r = hax_smp_cpu_exec(cpu); - if (r == EXCP_DEBUG) { - cpu_handle_guest_debug(cpu); - } - } - - qemu_wait_io_event(cpu); - } while (!cpu->unplug || cpu_can_run(cpu)); - rcu_unregister_thread(); - return NULL; -} - /* The HVF-specific vCPU thread function. This one should only run when the host * CPU supports the VMX "unrestricted guest" feature. */ static void *qemu_hvf_cpu_thread_fn(void *arg) @@ -529,12 +487,6 @@ static void *qemu_whpx_cpu_thread_fn(void *arg) return NULL; } -#ifdef _WIN32 -static void CALLBACK dummy_apc_func(ULONG_PTR unused) -{ -} -#endif - void cpus_kick_thread(CPUState *cpu) { #ifndef _WIN32 @@ -553,10 +505,6 @@ void cpus_kick_thread(CPUState *cpu) if (!qemu_cpu_is_self(cpu)) { if (whpx_enabled()) { whpx_vcpu_kick(cpu); - } else if (!QueueUserAPC(dummy_apc_func, cpu->hThread, 0)) { - fprintf(stderr, "%s: QueueUserAPC failed with error %lu\n", - __func__, GetLastError()); - exit(1); } } #endif @@ -567,14 +515,7 @@ void qemu_cpu_kick(CPUState *cpu) qemu_cond_broadcast(cpu->halt_cond); if (cpus_accel && cpus_accel->kick_vcpu_thread) { cpus_accel->kick_vcpu_thread(cpu); - } else { - if (hax_enabled()) { - /* - * FIXME: race condition with the exit_request check in - * hax_vcpu_hax_exec - */ - cpu->exit_request = 1; - } + } else { /* default */ cpus_kick_thread(cpu); } } @@ -722,23 +663,6 @@ void cpu_remove_sync(CPUState *cpu) qemu_mutex_lock_iothread(); } -static void qemu_hax_start_vcpu(CPUState *cpu) -{ - char thread_name[VCPU_THREAD_NAME_SIZE]; - - cpu->thread = g_malloc0(sizeof(QemuThread)); - cpu->halt_cond = g_malloc0(sizeof(QemuCond)); - qemu_cond_init(cpu->halt_cond); - - snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/HAX", - cpu->cpu_index); - qemu_thread_create(cpu->thread, thread_name, qemu_hax_cpu_thread_fn, - cpu, QEMU_THREAD_JOINABLE); -#ifdef _WIN32 - cpu->hThread = qemu_thread_get_handle(cpu->thread); -#endif -} - static void qemu_hvf_start_vcpu(CPUState *cpu) { char thread_name[VCPU_THREAD_NAME_SIZE]; @@ -800,8 +724,6 @@ void qemu_init_vcpu(CPUState *cpu) if (cpus_accel) { /* accelerator already implements the CpusAccel interface */ cpus_accel->create_vcpu_thread(cpu); - } else if (hax_enabled()) { - qemu_hax_start_vcpu(cpu); } else if (hvf_enabled()) { qemu_hvf_start_vcpu(cpu); } else if (whpx_enabled()) { |