creation

1 files changed, 26 insertions, 0 deletions

diff --git a/generate_pciclass.pl b/generate_pciclass.pl
new file mode 100644
index 0000000..c879615
--- /dev/null
+++ b/generate_pciclass.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+
+print q(/* This auto-generated from <pci.h>, don't modify! */
+
+struct {
+  unsigned short id;
+  const char *name;
+} pciclasses[] = {
+);
+
+/^#define PCI_CLASS_(\w+)\s+(0x\w{4})/ and print qq(  { $2, "$1" },\n) while <>;
+
+print '
+};
+
+int nb_pciclasses = sizeof(pciclasses) / sizeof(*pciclasses);
+
+extern const char *pci_class2text(unsigned short class) {
+  int i;
+  for (i = 0; i < nb_pciclasses; i++)
+    if (pciclasses[i].id == class) return pciclasses[i].name;
+
+  return pci_class2text(0);
+}
+
+';