[v0.11] Adding uarch backend for intel iGPUs

src/intel/uarch.cpp

@@ -0,0 +1,59 @@
+#include <stdint.h>
+#include <cstddef>
+#include <string.h>
+
+#include "../common/uarch.hpp"
+#include "../common/global.hpp"
+#include "../common/gpu.hpp"
+#include "chips.hpp"
+
+// Data not available
+#define NA                   -1
+
+// Unknown manufacturing process
+#define UNK                  -1
+
+// MICROARCH values
+enum {
+  UARCH_UNKNOWN,
+  UARCH_GEN9,
+  UARCH_GEN9_5,
+};
+
+static const char *uarch_str[] = {
+  /*[ARCH_UNKNOWN    = */ STRING_UNKNOWN,
+  /*[ARCH_GEN9]      = */ "Gen9",
+  /*[ARCH_GEN9.5]    = */ "Gen9.5",
+};
+
+#define CHECK_UARCH_START if (false) {}
+#define CHECK_UARCH(arch, chip_, str, uarch, process) \
+   else if (arch->chip == chip_) fill_uarch(arch, str, uarch, process);
+#define CHECK_UARCH_END else { printBug("map_chip_to_uarch: Unknown chip id: %d", arch->chip); fill_uarch(arch, STRING_UNKNOWN, UARCH_UNKNOWN, 0); }
+
+void fill_uarch(struct uarch* arch, char const *str, MICROARCH u, uint32_t process) {
+  arch->chip_str = (char *) emalloc(sizeof(char) * (strlen(str)+1));
+  strcpy(arch->chip_str, str);
+  arch->uarch = u;
+  arch->process = process;
+}
+
+void map_chip_to_uarch(struct uarch* arch) {
+  CHECK_UARCH_START
+  CHECK_UARCH(arch, CHIP_UHDG_620, "UHD Graphics 620", UARCH_GEN9_5, 14)
+  CHECK_UARCH_END
+}
+
+struct uarch* get_uarch_from_pci(struct pci* pci) {
+  struct uarch* arch = (struct uarch*) emalloc(sizeof(struct uarch));
+
+  arch->chip_str = NULL;
+  arch->chip = get_chip_from_pci(pci);
+  map_chip_to_uarch(arch);
+
+  return arch;
+}
+
+char* get_name_from_uarch(struct uarch* arch) {
+  return arch->chip_str;
+}