1 /* 2 * Copyright 2005, Haiku, Inc. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Axel Dörfler, axeld@pinc-software.de 7 */ 8 9 10 #include "amd.h" 11 #include "generic_x86.h" 12 13 #include <OS.h> 14 15 16 static void 17 amd_init_mtrrs(void) 18 { 19 generic_init_mtrrs(generic_count_mtrrs()); 20 } 21 22 23 static status_t 24 amd_init(void) 25 { 26 system_info info; 27 if (get_system_info(&info) != B_OK) 28 return B_ERROR; 29 30 if ((info.cpu_type & B_CPU_x86_VENDOR_MASK) != B_CPU_AMD_x86) 31 return B_ERROR; 32 33 generic_mtrr_compute_physical_mask(); 34 generic_dump_mtrrs(generic_count_mtrrs()); 35 36 return B_OK; 37 } 38 39 40 static status_t 41 amd_stdops(int32 op, ...) 42 { 43 switch (op) { 44 case B_MODULE_INIT: 45 return amd_init(); 46 case B_MODULE_UNINIT: 47 return B_OK; 48 } 49 50 return B_ERROR; 51 } 52 53 54 x86_cpu_module_info gAMDModule = { 55 { 56 "cpu/generic_x86/amd/v1", 57 0, 58 amd_stdops, 59 }, 60 61 generic_count_mtrrs, 62 amd_init_mtrrs, 63 64 generic_set_mtrr, 65 generic_get_mtrr, 66 }; 67