#include <stdint.h>

#include <cpuinfo.h>
#include <x86/api.h>


enum cpuinfo_uarch cpuinfo_x86_decode_uarch(
	enum cpuinfo_vendor vendor,
	const struct cpuinfo_x86_model_info* model_info)
{
	switch (vendor) {
		case cpuinfo_vendor_intel:
			switch (model_info->family) {
#if CPUINFO_ARCH_X86
				case 0x05:
					switch (model_info->model) {
						case 0x01: // Pentium (60, 66)
						case 0x02: // Pentium (75, 90, 100, 120, 133, 150, 166, 200)
						case 0x03: // Pentium OverDrive for Intel486-based systems
						case 0x04: // Pentium MMX
							return cpuinfo_uarch_p5;
						case 0x09:
							return cpuinfo_uarch_quark;
					}
					break;
#endif /* CPUINFO_ARCH_X86 */
				case 0x06:
					switch (model_info->model) {
						/* Mainstream cores */
#if CPUINFO_ARCH_X86
						case 0x01: // Pentium Pro
						case 0x03: // Pentium II (Klamath) and Pentium II Overdrive
						case 0x05: // Pentium II (Deschutes, Tonga), Pentium II Celeron (Covington), Pentium II Xeon (Drake)
						case 0x06: // Pentium II (Dixon), Pentium II Celeron (Mendocino)
						case 0x07: // Pentium III (Katmai), Pentium III Xeon (Tanner)
						case 0x08: // Pentium III (Coppermine), Pentium II Celeron (Coppermine-128), Pentium III Xeon (Cascades)
						case 0x0A: // Pentium III Xeon (Cascades-2MB)
						case 0x0B: // Pentium III (Tualatin), Pentium III Celeron (Tualatin-256)
							return cpuinfo_uarch_p6;
						case 0x09: // Pentium M (Banias), Pentium M Celeron (Banias-0, Banias-512)
						case 0x0D: // Pentium M (Dothan), Pentium M Celeron (Dothan-512, Dothan-1024)
						case 0x15: // Intel 80579 (Tolapai)
							return cpuinfo_uarch_dothan;
						case 0x0E: // Core Solo/Duo (Yonah), Pentium Dual-Core T2xxx (Yonah), Celeron M (Yonah-512, Yonah-1024), Dual-Core Xeon (Sossaman)
							return cpuinfo_uarch_yonah;
#endif /* CPUINFO_ARCH_X86 */
						case 0x0F: // Core 2 Duo (Conroe, Conroe-2M, Merom), Core 2 Quad (Tigerton), Xeon (Woodcrest, Clovertown, Kentsfield)
						case 0x16: // Celeron (Conroe-L, Merom-L), Core 2 Duo (Merom)
							return cpuinfo_uarch_conroe;
						case 0x17: // Core 2 Duo (Penryn-3M), Core 2 Quad (Yorkfield), Core 2 Extreme (Yorkfield), Xeon (Harpertown), Pentium Dual-Core (Penryn)
						case 0x1D: // Xeon (Dunnington)
							return cpuinfo_uarch_penryn;
						case 0x1A: // Core iX (Bloomfield), Xeon (Gainestown)
						case 0x1E: // Core iX (Lynnfield, Clarksfield)
						case 0x1F: // Core iX (Havendale)
						case 0x2E: // Xeon (Beckton)
						case 0x25: // Core iX (Clarkdale)
						case 0x2C: // Core iX (Gulftown), Xeon (Gulftown)
						case 0x2F: // Xeon (Eagleton)
							return cpuinfo_uarch_nehalem;
						case 0x2A: // Core iX (Sandy Bridge)
						case 0x2D: // Core iX (Sandy Bridge-E), Xeon (Sandy Bridge EP/EX)
							return cpuinfo_uarch_sandy_bridge;
						case 0x3A: // Core iX (Ivy Bridge)
						case 0x3E: // Ivy Bridge-E
							return cpuinfo_uarch_ivy_bridge;
						case 0x3C:
						case 0x3F: // Haswell-E
						case 0x45: // Haswell ULT
						case 0x46: // Haswell with eDRAM
							return cpuinfo_uarch_haswell;
						case 0x3D: // Broadwell-U
						case 0x47: // Broadwell-H
						case 0x4F: // Broadwell-E
						case 0x56: // Broadwell-DE
							return cpuinfo_uarch_broadwell;
						case 0x4E: // Skylake-U/Y
						case 0x55: // Skylake Server (SKX)
						case 0x5E: // Skylake-H/S
							return cpuinfo_uarch_sky_lake;
						case 0x8E: // Kaby Lake U/Y
						case 0x9E: // Kaby Lake H/S
							return cpuinfo_uarch_kaby_lake;

						/* Low-power cores */
						case 0x1C: // Diamondville, Silverthorne, Pineview
						case 0x26: // Tunnel Creek
							return cpuinfo_uarch_bonnell;
						case 0x27: // Medfield
						case 0x35: // Cloverview
						case 0x36: // Cedarview, Centerton 
							return cpuinfo_uarch_saltwell;
						case 0x37:
						case 0x4A:
						case 0x4D:
						case 0x5A: // Moorefield
							return cpuinfo_uarch_silvermont;
						case 0x4C: // Braswell
						case 0x5F: // Denverton
							return cpuinfo_uarch_airmont;

						/* Knights-series cores */
						case 0x57:
							return cpuinfo_uarch_knights_landing;
						case 0x85:
							return cpuinfo_uarch_knights_mill;
					}
					break;
				case 0x0F:
					switch (model_info->model) {
						case 0x00: // Pentium 4 Xeon (Foster)
						case 0x01: // Pentium 4 Celeron (Willamette-128), Pentium 4 Xeon (Foster, Foster MP)
						case 0x02: // Pentium 4 (Northwood), Pentium 4 EE (Gallatin), Pentium 4 Celeron (Northwood-128, Northwood-256), Pentium 4 Xeon (Gallatin DP, Prestonia)
							return cpuinfo_uarch_willamette;
							break;
						case 0x03: // Pentium 4 (Prescott), Pentium 4 Xeon (Nocona)
						case 0x04: // Pentium 4 (Prescott-2M), Pentium 4 EE (Prescott-2M), Pentium D (Smithfield), Celeron D (Prescott-256), Pentium 4 Xeon (Cranford, Irwindale, Paxville)
						case 0x06: // Pentium 4 (Cedar Mill), Pentium D EE (Presler), Celeron D (Cedar Mill), Pentium 4 Xeon (Dempsey, Tulsa)
							return cpuinfo_uarch_prescott;
					}
					break;
			}
			break;
		case cpuinfo_vendor_amd:
			switch (model_info->family) {
#if CPUINFO_ARCH_X86
				case 0x5:
					switch (model_info->model) {
						case 0x00:
						case 0x01:
						case 0x02:
							return cpuinfo_uarch_k5;
						case 0x06:
						case 0x07:
						case 0x08:
						case 0x0D:
							return cpuinfo_uarch_k6;
						case 0x0A:
							return cpuinfo_uarch_geode;
					}
					break;
				case 0x6:
					return cpuinfo_uarch_k7;
#endif /* CPUINFO_ARCH_X86 */
				case 0xF: // Opteron, Athlon 64, Sempron
				case 0x11: // Turion
					return cpuinfo_uarch_k8;
				case 0x10: // Opteron, Phenom, Athlon, Sempron
				case 0x12: // Llano APU
					return cpuinfo_uarch_k10;
				case 0x14:
					return cpuinfo_uarch_bobcat;
				case 0x15:
					switch (model_info->model) {
						case 0x00: // Engineering samples
						case 0x01: // Zambezi, Interlagos
							return cpuinfo_uarch_bulldozer;
						case 0x02: // Vishera
						case 0x10: // Trinity
						case 0x13: // Richland
							return cpuinfo_uarch_piledriver;
						case 0x38: // Godavari
						case 0x30: // Kaveri
							return cpuinfo_uarch_steamroller;
						case 0x60: // Carrizo 
						case 0x65: // Bristol Ridge
						case 0x70: // Stoney Ridge
							return cpuinfo_uarch_excavator;
						default:
							switch (model_info->extended_model) {
								case 0x0:
									return cpuinfo_uarch_bulldozer;
								case 0x1: // No L3 cache
								case 0x2: // With L3 cache
									return cpuinfo_uarch_piledriver;
								case 0x3: // With L3 cache
								case 0x4: // No L3 cache
									return cpuinfo_uarch_steamroller;
							}
							break;
					}
					break;
				case 0x16:
					if (model_info->model >= 0x03) {
						return cpuinfo_uarch_puma;
					} else {
						return cpuinfo_uarch_jaguar;
					}
				case 0x17:
					return cpuinfo_uarch_zen;
			}
			break;
		default:
			break;
	}
	return cpuinfo_uarch_unknown;
}