kvm/kernel/x86/hack-module.awk

   1 BEGIN { split("INIT_WORK tsc_khz desc_struct ldttss_desc64 desc_ptr " \
   2               "on_each_cpu relay_open request_irq" , compat_apis); }
   3
   4 /^int kvm_init\(/ { anon_inodes = 1 }
   5
   6 /return 0;/ && anon_inodes {
   7     print "\tr = kvm_init_anon_inodes();";
   8     print "\tif (r) {";
   9     print "\t\t__free_page(bad_page);";
  10     print "\t\tgoto out;";
  11     print "\t}";
  12     print "\tpreempt_notifier_sys_init();";
  13     printf("\tprintk(\"loaded kvm module (%s)\\n\");\n", version);
  14     anon_inodes = 0
  15 }
  16
  17 /^void kvm_exit/ { anon_inodes_exit = 1 }
  18
  19 /\}/ && anon_inodes_exit {
  20     print "\tkvm_exit_anon_inodes();";
  21     print "\tpreempt_notifier_sys_exit();";
  22     anon_inodes_exit = 0
  23 }
  24
  25 /MODULE_AUTHOR/ {
  26     printf("MODULE_INFO(version, \"%s\");\n", version)
  27 }
  28
  29 /^static void __vmx_load_host_state/ {
  30     vmx_load_host_state = 1
  31 }
  32
  33 /vmcs_readl\(HOST_GS_BASE\)/ &&  vmx_load_host_state {
  34     $0 = "\t\twrmsrl(MSR_GS_BASE, gsbase);";
  35     vmx_load_host_state = 0
  36 }
  37
  38 /atomic_inc\(&kvm->mm->mm_count\);/ { $0 = "mmget(&kvm->mm->mm_count);" }
  39
  40 /^\t\.fault = / {
  41     fcn = gensub(/,/, "", "g", $3)
  42     $0 = "\t.VMA_OPS_FAULT(fault) = VMA_OPS_FAULT_FUNC(" fcn "),"
  43 }
  44
  45 /^static int (.*_stat_get|lost_records_get)/ {
  46     $3 = "__" $3
  47 }
  48
  49 /DEFINE_SIMPLE_ATTRIBUTE.*(_stat_get|lost_records_get)/ {
  50     name = gensub(/,/, "", "g", $2);
  51     print "MAKE_SIMPLE_ATTRIBUTE_GETTER(" name ")"
  52 }
  53
  54 { sub(/linux\/mm_types\.h/, "linux/mm.h") }
  55
  56 { sub(/\<__user\>/, " ") }
  57
  58 /^\t\.name = "kvm"/ { $0 = "\tset_kset_name(\"kvm\")," }
  59
  60 /#include <linux\/compiler.h>/ { $0 = "" }
  61 /#include <linux\/clocksource.h>/ { $0 = "" }
  62
  63 { sub(/\<hrtimer_init\>/, "hrtimer_init_p") }
  64 { sub(/\<hrtimer_start\>/, "hrtimer_start_p") }
  65 { sub(/\<hrtimer_cancel\>/, "hrtimer_cancel_p") }
  66
  67 /case KVM_CAP_SYNC_MMU/ { $0 = "#ifdef CONFIG_MMU_NOTIFIER\n" $0 "\n#endif" }
  68
  69 {
  70     for (i in compat_apis) {
  71         ident = compat_apis[i]
  72         sub("\\<" ident "\\>", "kvm_" ident)
  73     }
  74 }
  75
  76 /\kvm_.*_fops\.owner = module;/ { $0 = "IF_ANON_INODES_DOES_REFCOUNTS(" $0 ")" }
  77
  78 { print }
  79
  80 /unsigned long flags;/ &&  vmx_load_host_state {
  81     print "\tunsigned long gsbase;"
  82 }
  83
  84 /local_irq_save/ &&  vmx_load_host_state {
  85     print "\t\tgsbase = vmcs_readl(HOST_GS_BASE);"
  86 }
  87
  88 /\tkvm_init_debug/ {
  89     print "\thrtimer_kallsyms_resolve();"
  90 }
  91 /apic->timer.dev.function =/ {
  92     print "\thrtimer_data_pointer(&apic->timer.dev);"
  93 }
  94 /pt->timer.function =/ {
  95     print "\thrtimer_data_pointer(&pt->timer);"
  96 }