qemu/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     CPUState *oldenv;
  12 #define DECLARE_HOST_REGS
  13 #include "hostregs_helper.h"
  14
  15     oldenv = newenv;
  16
  17 #define SAVE_HOST_REGS
  18 #include "hostregs_helper.h"
  19
  20     env = newenv;
  21
  22     env_to_regs();
  23     func(data);
  24     regs_to_env();
  25
  26     env = oldenv;
  27
  28 #include "hostregs_helper.h"
  29 }
  30
  31 static void call_helper_cpuid(void *junk)
  32 {
  33     helper_cpuid();
  34 }
  35
  36 void qemu_kvm_cpuid_on_env(CPUState *env)
  37 {
  38     qemu_kvm_call_with_env(call_helper_cpuid, NULL, env);
  39 }
  40