page ,132 title CPU/FPU INFORMATION DATA AREA IN CODE SEGMENT .286p ;*****************************************************************; ;*****************************************************************; ;** **; ;** (C)Copyright 1985-1996, American Megatrends Inc. **; ;** **; ;** All Rights Reserved. **; ;** **; ;** 6145-F, Northbelt Parkway, Norcross, **; ;** **; ;** Georgia - 30071, USA. Phone-(770)-246-8600. **; ;** **; ;*****************************************************************; ;*****************************************************************; ;-----------------------------------------------------------------; ;*****************************************************************; ;---------------------------------------; include cpustruc.def include cpumac.mac ;---------------------------------------; ; C O D E S E G M E N T ; ;---------------------------------------; cgroup group _text _text segment word public 'CODE' assume cs:cgroup ;---------------------------------------; public _CID_STARTS _CID_STARTS label byte ; marks start of module ;---------------------------------------; public cpu_freq public cpu_freq_x100 cpu_freq dw 0ffffh ; CPU clock in MHz cpu_freq_x100 dw 0ffffh ; CPU Clock * 100 in MHz ;---------------------------------------; ; $$$CORE0061 >>> extrn cpu_freq_table :word extrn cpu_freq_table_end :word extern cyrix_freq(cpu_freq_table) :word extern cyrix_freq_end(cpu_freq_table_end) :word extern amd_freq(cpu_freq_table) :word extern amd_freq_end(cpu_freq_table_end) :word extern ibm_freq(cpu_freq_table) :word extern ibm_freq_end(cpu_freq_table_end) :word extern ti_freq(cpu_freq_table) :word extern ti_freq_end(cpu_freq_table_end) :word extern umc_freq(cpu_freq_table) :word extern umc_freq_end(cpu_freq_table_end) :word extern sgs_freq(cpu_freq_table) :word extern sgs_freq_end(cpu_freq_table_end) :word extern idt_freq(cpu_freq_table) :word extern idt_freq_end(cpu_freq_table_end) :word extern rise_freq(cpu_freq_table) :word extern rise_freq_end(cpu_freq_table_end) :word public freq_offset_table freq_offset_table label word dw cpu_freq_table ; Intel dw cpu_freq_table_end dw cyrix_freq ; Cyrix dw cyrix_freq_end dw amd_freq ; AMD dw amd_freq_end dw ibm_freq ; IBM dw ibm_freq_end dw ti_freq ; TI dw ti_freq_end dw umc_freq ; UMC dw umc_freq_end dw sgs_freq ; SGS dw sgs_freq_end dw idt_freq ; IDT dw idt_freq_end dw rise_freq ; Rise dw rise_freq_end ;-----------------------------------------------------------------------------; ; BOOT STRAP PROCESSOR DATA AREA ; ;-----------------------------------------------------------------------------; public boot_cpu_info_buffer public cpu_string_ptr public cpu_vendor_ptr public cpu_vendor public cpu_number public cpu_func_field public cpu_extd_func_field public cpu_resetid public detected_cpu_vendor public smi_info_ptr public cpu_apic_id public cpu_apic_ver public cpu_feature boot_cpu_info_buffer label byte cpu_string_ptr dw offset cgroup:cpu_name ; CPU name string ptr dw 0f000h cpu_vendor_ptr dw offset cgroup:cpu_vendor_name dw 0f000h cpu_vendor db 00h ; functional CPU vendor# considering ; override option cpu_number db 00h ; CPU number cpu_func_field dw 0000h ; CPU function field cpu_resetid dd 00000000h; CPUID at reset in EDX cpu_extd_func_field dw 0000h ; CPU extended function field detected_cpu_vendor db 00h ; detected CPU vendor# as found in reset smi_info_ptr dw offset cgroup:smi_info_buffer; ptr to smi info area dw 0f000h cpu_apic_id db 00h ; CPU local APIC_ID (for multiproc sys) cpu_apic_ver db 00h ; CPU local APIC_VER( '' ) ; $$$LDCM0001 >>> cpu_feature dd 55h ; CPU feature flag ; $$$LDCM0001 <<< ;---------------------------------------; public cpu_vendor_name public cpu_name public cpu_name_display_buffer public cpu_name_display_buffer_end public fpu_vendor_name public fpu_name public smi_info_buffer public pr_string ; 122696 cpu_vendor_name label byte db 8 dup (00h) db 00h cpu_name label byte ;$$$CORE0069> ; db 'Generic-X86',0,0,0,0 db 'Generic-X86',(25-11) dup (0) ;<$$$CORE0069 db 00h cpu_name_display_buffer label byte ;$$$CORE0069> ; db 'Generic-X86',0,0,0,0 db 'Generic-X86',(25-11) dup (0) ;<$$$CORE0069 db 00h pr_string db 'PR',0,0,0,0,0,0; '2-xxx ' db 00h cpu_name_display_buffer_end label byte ;---------------------------------------; ; FPU DATA AREA ; ;---------------------------------------; public fpu_info_buffer public fpu_string_ptr public fpu_vendor_ptr fpu_info_buffer label byte fpu_string_ptr dw offset cgroup:fpu_name; ptr to fpu name ASCIIZ string dw 0f000h fpu_vendor_ptr dw offset cgroup:fpu_vendor_name dw 0f000h ;---------------------------------------; fpu_vendor_name label byte ;;;; db 08 dup (00h) db 00h fpu_name label byte ;;;; db 15 dup (00h) db 00h ;-----------------------------------------------------------------------------; ; SMI INFORMATION DATA AREA ; ;-----------------------------------------------------------------------------; public smi_info_buffer smi_info_buffer: CreateSMIInfo PC ; PC is the number of processor ; in the motherboard. This is given ; from commandline at assembly time ; by /D option. ;-----------------------------------------------------------------------------; ; MEMORY REGION INFORMATION ; ;-----------------------------------------------------------------------------; Public _NC_REG1_START Public _NC_REG1_END Public _NC_REG2_START Public _NC_REG2_END Public _USWC_REG1_START Public _USWC_REG1_END Public _USWC_REG2_START Public _USWC_REG2_END Public _TOP_OF_MEM Public _L1_CACHE_STATE Public _SHADOW_STATE Public _USWC_STATE _NC_REG1_START dword ? ; Keeps the non cacheable reg-1 start _NC_REG1_END dword ? ; Keeps the non cacheable reg-1 end _NC_REG2_START dword ? ; Keeps the non cacheable reg-2 start _NC_REG2_END dword ? ; Keeps the non cacheable reg-2 end _USWC_REG1_START dword ? ; Keeps the USWC reg-1 start _USWC_REG1_END dword ? ; Keeps the USWC reg-1 end _USWC_REG2_START dword ? ; Keeps the USWC reg-2 start _USWC_REG2_END dword ? ; Keeps the USWC reg-2 end _TOP_OF_MEM dword ? ; Keeps the top of the memory found _L1_CACHE_STATE byte ? ; Keeps the L1 cache information _SHADOW_STATE word ? ; Keeps the shadow information _USWC_STATE byte ? ; Keeps the VGA USWC memory info ;-----------------------------------------------------------------------------; ; MULTI-PROCESSOR DATA AREA ; ;-----------------------------------------------------------------------------; Public _AP_SEMAPHORE _AP_SEMAPHORE db 00h ; Semaphore used by APs ; ???????????????? ; ?7?6?5?4?3?2?1?0? ; ????????????????? ; ??? ; ? ; ; 00 :IPI handler is free to execute........ set by BSP ; 01 :IPI handler is started................ set by AP ; 10 :IPI handler is allowed to INIT self... set by BSP ; (This combination is reserved for future use) ; 11 :IPI handler is waiting for INIT self.. set by AP ;-----------------------------------------------------------------------------; Public _AP_NUMBER _AP_NUMBER db 00h ; Keeps AP# while init ;-----------------------------------------------------------------------------; Public _NUM_OF_PROC _NUM_OF_PROC db 01h ; Keeps number of proc found ;-----------------------------------------------------------------------------; public application_cpu_info_buffer Public _AP_INFO application_cpu_info_buffer: _AP_INFO: CreateAPInfo (PC-1) ; Create Appln Proc data area. ; PC is the number given ; in assembly time (/D). This ; is the total number of proc ; in the system. So number of ; AP will be (PC-1) ;-----------------------------------------------------------------------------; Public _AP_SMI_INFO_PTR _AP_SMI_INFO_PTR dw 0000h ; Keeps AP SMI info ptr ;*****************************************************************************; public _CID_ENDS _CID_ENDS label byte ; marks end of module ;---------------------------------------; _text ends end