qemu-kvm-helper.c

   1
   2 #include "config.h"
   3 #include "config-host.h"
   4
   5 #include "exec.h"
   6
   7 #include "qemu-kvm.h"
   8
   9 void qemu_kvm_call_with_env(void (*func)(void *), void *data, CPUState *newenv)
  10 {
  11     host_reg_t saved_env_reg;
  12     CPUState *oldenv;
  13
  14     oldenv = newenv;
  15
  16     saved_env_reg = (host_reg_t) env;
  17     env = newenv;
  18
  19     func(data);
  20
  21     env = oldenv;
  22     asm("");
  23     env = (void *) saved_env_reg;
  24 }
  25
  26 static void call_helper_cpuid(void *junk)
  27 {
  28     helper_cpuid();
  29 }
  30
  31 void qemu_kvm_cpuid_on_env(CPUState *env)
  32 {
  33     qemu_kvm_call_with_env(call_helper_cpuid, NULL, env);
  34 }
  35