kernel/x86/hack-module.awk

   1 BEGIN { split("INIT_WORK desc_struct ldttss_desc64 desc_ptr " \
   2               "hrtimer_add_expires_ns hrtimer_get_expires " \
   3               "hrtimer_get_expires_ns hrtimer_start_expires " \
   4               "hrtimer_expires_remaining " \
   5               "on_each_cpu relay_open request_irq" , compat_apis); }
   6
   7 /^int kvm_init\(/ { anon_inodes = 1 }
   8
   9 /return 0;/ && anon_inodes {
  10     print "\tr = kvm_init_anon_inodes();";
  11     print "\tif (r) {";
  12     print "\t\t__free_page(bad_page);";
  13     print "\t\tgoto out;";
  14     print "\t}";
  15     print "\tpreempt_notifier_sys_init();";
  16     printf("\tprintk(\"loaded kvm module (%s)\\n\");\n", version);
  17     anon_inodes = 0
  18 }
  19
  20 /^void kvm_exit/ { anon_inodes_exit = 1 }
  21
  22 /\}/ && anon_inodes_exit {
  23     print "\tkvm_exit_anon_inodes();";
  24     print "\tpreempt_notifier_sys_exit();";
  25     anon_inodes_exit = 0
  26 }
  27
  28 /^int kvm_arch_init/ { kvm_arch_init = 1 }
  29 /\<tsc_khz\>/ && kvm_arch_init { sub("\\<tsc_khz\\>", "kvm_tsc_khz") }
  30 /^}/ { kvm_arch_init = 0 }
  31
  32 /MODULE_AUTHOR/ {
  33     printf("MODULE_INFO(version, \"%s\");\n", version)
  34 }
  35
  36 { sub(/match->dev->msi_enabled/, "kvm_pcidev_msi_enabled(match->dev)") }
  37
  38 /^static void __vmx_load_host_state/ {
  39     vmx_load_host_state = 1
  40 }
  41
  42 /vmcs_readl\(HOST_GS_BASE\)/ &&  vmx_load_host_state {
  43     $0 = "\t\twrmsrl(MSR_GS_BASE, gsbase);";
  44     vmx_load_host_state = 0
  45 }
  46
  47 /atomic_inc\(&kvm->mm->mm_count\);/ { $0 = "mmget(&kvm->mm->mm_count);" }
  48
  49 /^\t\.fault = / {
  50     fcn = gensub(/,/, "", "g", $3)
  51     $0 = "\t.VMA_OPS_FAULT(fault) = VMA_OPS_FAULT_FUNC(" fcn "),"
  52 }
  53
  54 /^static int (.*_stat_get|lost_records_get)/ {
  55     $3 = "__" $3
  56 }
  57
  58 /DEFINE_SIMPLE_ATTRIBUTE.*(_stat_get|lost_records_get)/ {
  59     name = gensub(/,/, "", "g", $2);
  60     print "MAKE_SIMPLE_ATTRIBUTE_GETTER(" name ")"
  61 }
  62
  63 { sub(/linux\/mm_types\.h/, "linux/mm.h") }
  64
  65 { sub(/\<__user\>/, " ") }
  66
  67 /^\t\.name = "kvm"/ { $0 = "\tset_kset_name(\"kvm\")," }
  68
  69 /#include <linux\/compiler.h>/ { $0 = "" }
  70 /#include <linux\/clocksource.h>/ { $0 = "" }
  71 /#include <linux\/types.h>/ { $0 = "#include <asm/types.h>" }
  72
  73 { sub(/\<hrtimer_init\>/, "hrtimer_init_p") }
  74 { sub(/\<hrtimer_start\>/, "hrtimer_start_p") }
  75 { sub(/\<hrtimer_cancel\>/, "hrtimer_cancel_p") }
  76
  77 /case KVM_CAP_SYNC_MMU/ { $0 = "#ifdef CONFIG_MMU_NOTIFIER\n" $0 "\n#endif" }
  78
  79 {
  80     for (i in compat_apis) {
  81         ident = compat_apis[i]
  82         sub("\\<" ident "\\>", "kvm_" ident)
  83     }
  84 }
  85
  86 /\kvm_.*_fops\.owner = module;/ { $0 = "IF_ANON_INODES_DOES_REFCOUNTS(" $0 ")" }
  87
  88 { print }
  89
  90 /unsigned long flags;/ &&  vmx_load_host_state {
  91     print "\tunsigned long gsbase;"
  92 }
  93
  94 /local_irq_save/ &&  vmx_load_host_state {
  95     print "\t\tgsbase = vmcs_readl(HOST_GS_BASE);"
  96 }
  97
  98 /\tkvm_init_debug/ {
  99     print "\thrtimer_kallsyms_resolve();"
 100 }
 101 /apic->timer.dev.function =/ {
 102     print "\thrtimer_data_pointer(&apic->timer.dev);"
 103 }
 104 /pt->timer.function =/ {
 105     print "\thrtimer_data_pointer(&pt->timer);"
 106 }