blob: 86e7a10ca13925734088c15b9ae66a192a89bf7e [file] [log] [blame]
;*****************************************************************************
; AMD Generic Encapsulated Software Architecture
;
; $Workfile:: cpcar.inc
;
; Description: CPCAR.INC - AGESA cache-as-RAM setup Include File
;
;*****************************************************************************
;
; Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved.
;
; AMD is granting you permission to use this software (the Materials)
; pursuant to the terms and conditions of your Software License Agreement
; with AMD. This header does *NOT* give you permission to use the Materials
; or any rights under AMD's intellectual property. Your use of any portion
; of these Materials shall constitute your acceptance of those terms and
; conditions. If you do not agree to the terms and conditions of the Software
; License Agreement, please do not use any portion of these Materials.
;
; CONFIDENTIALITY: The Materials and all other information, identified as
; confidential and provided to you by AMD shall be kept confidential in
; accordance with the terms and conditions of the Software License Agreement.
;
; LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION
; PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
; WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
; MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE,
; OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE.
; IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER
; (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS
; INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE,
; GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER
; RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF
; THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE
; EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES,
; THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
;
; AMD does not assume any responsibility for any errors which may appear in
; the Materials or any other related information provided to you by AMD, or
; result from use of the Materials or any related information.
;
; You agree that you will not reverse engineer or decompile the Materials.
;
; NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any
; further information, software, technical information, know-how, or show-how
; available to you. Additionally, AMD retains the right to modify the
; Materials at any time, without notice, and is not obligated to provide such
; modified Materials to you.
;
; U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with
; "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is
; subject to the restrictions as set forth in FAR 52.227-14 and
; DFAR252.227-7013, et seq., or its successor. Use of the Materials by the
; Government constitutes acknowledgement of AMD's proprietary rights in them.
;
; EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any
; direct product thereof will be exported directly or indirectly, into any
; country prohibited by the United States Export Administration Act and the
; regulations thereunder, without the required authorization from the U.S.
; government nor will be used for any purpose prohibited by the same.
;*****************************************************************************
.LIST
.mmx
BSP_STACK_BASE_ADDR EQU 30000h ; Base address for primary cores stack
BSP_STACK_SIZE_64K EQU 10000h ; 64KB for BSP core
BSP_STACK_SIZE_32K EQU 8000h ; 32KB for BSP core
CORE0_STACK_BASE_ADDR EQU 80000h ; Base address for primary cores stack
CORE0_STACK_SIZE EQU 4000h ; 16KB for primary cores
CORE1_STACK_BASE_ADDR EQU 40000h ; Base address for AP cores
CORE1_STACK_SIZE EQU 1000h ; 4KB for each AP cores
L3_CONTROL_REGISTER EQU 8100C3B8h ; Bus 0, Device 18h, Function 3, Offset 1B8h
APIC_BASE_ADDRESS EQU 0000001Bh
APIC_BSC EQU 8 ; Boot Strap Core
APIC_MSG_REG EQU 380h ; Location of BSC message
APIC_MSG EQU 00DE00ADh ; Message data
APIC_CMD_LO_REG EQU 300h ; APIC command low
APIC_CMD_HI_REG EQU 310h ; APIC command high
CMD_REG_TO_READ_DATA EQU 00000338h ; APIC command for remote read of APIC_MSG_REG
REMOTE_READ_STS EQU 00030000h ; Remote read status mask
REMOTE_DELIVERY_PEND EQU 00010000h ; Remote read is pending
REMOTE_DELIVERY_DONE EQU 00020000h ; Remote read is complete
DELIVERY_STS_BIT EQU 12 ; Delivery status valid bit
APIC_ID_REG EQU 0020h ; Local APIC ID offset
APIC20_APICID EQU 24
APIC_REMOTE_READ_REG EQU 00C0h ; Remote read offset
; Flags can only run from bits 31 to 24. Bits 23:0 are in use.
AMD_CU_NEED_TO_WAIT EQU 31
AMD_CU_SEND_INVD_MSG EQU 30
AMD_CU_RESTORE_ES EQU 29
AMD_MTRR_VARIABLE_BASE0 EQU 0200h
AMD_MTRR_VARIABLE_BASE6 EQU 020Ch
AMD_MTRR_VARIABLE_BASE7 EQU 020Eh
VMTRR_VALID EQU 11
MTRR_TYPE_WB EQU 06h
MTRR_TYPE_WP EQU 05h
MTRR_TYPE_WT EQU 04h
MTRR_TYPE_UC EQU 00h
AMD_MTRR_VARIABLE_MASK7 EQU 020Fh
AMD_MTRR_FIX64k_00000 EQU 0250h
AMD_MTRR_FIX16k_80000 EQU 0258h
AMD_MTRR_FIX16k_A0000 EQU 0259h
AMD_MTRR_FIX4k_C0000 EQU 0268h
AMD_MTRR_FIX4k_C8000 EQU 0269h
AMD_MTRR_FIX4k_D0000 EQU 026Ah
AMD_MTRR_FIX4k_D8000 EQU 026Bh
AMD_MTRR_FIX4k_E0000 EQU 026Ch
AMD_MTRR_FIX4k_E8000 EQU 026Dh
AMD_MTRR_FIX4k_F0000 EQU 026Eh
AMD_MTRR_FIX4k_F8000 EQU 026Fh
AMD_MTRR_DEFTYPE EQU 02FFh
WB_DRAM_TYPE EQU 1Eh ; MemType - memory type
MTRR_DEF_TYPE_EN EQU 11 ; MtrrDefTypeEn - variable and fixed MTRRs default enabled
MTRR_DEF_TYPE_FIX_EN EQU 10 ; MtrrDefTypeEn - fixed MTRRs default enabled
HWCR EQU 0C0010015h ; Hardware Configuration
INVD_WBINVD EQU 4 ; INVD to WBINVD conversion
IORR_BASE EQU 0C0010016h ; IO Range Regusters Base/Mask, 2 pairs
; uses 16h - 19h
TOP_MEM EQU 0C001001Ah ; Top of Memory
TOP_MEM2 EQU 0C001001Dh ; Top of Memory2
LS_CFG EQU 0C0011020h ; Load-Store Configuration
DIS_SS EQU 28 ; Family 10h,12h,15h:Disable Streaming Store functionality
DIS_STREAM_ST EQU 28 ; Family 14h:DisStreamSt - Disable Streaming Store functionality
IC_CFG EQU 0C0011021h ; Instruction Cache Config Register
IC_DIS_SPEC_TLB_RLD EQU 9 ; Disable speculative TLB reloads
DIS_IND EQU 14 ; Family 10-14h:Disable Indirect Branch Predictor
;del DIS_I_CACHE EQU 14 ; Family 15h:DisICache - Disable Indirect Branch Predictor
DC_CFG EQU 0C0011022h ; Data Cache Configuration
DC_DIS_SPEC_TLB_RLD EQU 4 ; Disable speculative TLB reloads
DIS_CLR_WBTOL2_SMC_HIT EQU 8 ; self modifying code check buffer bit
DIS_HW_PF EQU 13 ; Hardware prefetches bit
CU_CFG EQU 0C0011023h ; Family 15h: Combined Unit Configuration
L2_WAY_LOCK_EN EQU 23 ; L2WayLock - L2 way lock enable
L2_FIRST_LOCKED_WAY EQU 19 ; L2FirstLockedWay - first L2 way lockedh
L2_FIRST_LOCKED_WAY_OR_MASK EQU 000780000h
DE_CFG EQU 0C0011029h ; Decode Configuration
CL_FLUSH_SERIALIZE EQU 23 ; Family 12h,15h: CL Flush Serialization
BU_CFG2 EQU 0C001102Ah ; Family 10h-14h: Bus Unit Configuration 2
CU_CFG2 EQU 0C001102Ah ; Family 15h: Combined Unit Configuration 2
F10_CL_LINES_TO_NB_DIS EQU 15 ; ClLinesToNbDis - allows WP code to be cached in L2
;del IC_DIS_SPEC_TLB_WR EQU 35 ; IcDisSpecTlbWr - ITLB speculative writes
CU_CFG3 EQU 0C001102Bh ; Combined Unit Configuration 3
COMBINE_CR0_CD EQU 49 ; Combine CR0.CD for both cores of a compute unit
CR0_PE EQU 0 ; Protection Enable
CR0_NW EQU 29 ; Not Write-through
CR0_CD EQU 30 ; Cache Disable
CR0_PG EQU 31 ; Paging Enable
; CPUID Functions
CPUID_MODEL EQU 1
AMD_CPUID_FMF EQU 80000001h ; Family Model Features information
AMD_CPUID_L2Cache EQU 80000006h ; L2/L3 cache info
AMD_CPUID_APIC EQU 80000008h ; Long Mode and APIC info., core count
APIC_ID_CORE_ID_SIZE EQU 12 ; ApicIdCoreIdSize bit position
NB_CFG EQU 0C001001Fh ; Northbridge Configuration Register
INIT_APIC_ID_CPU_ID_LO EQU 54 ; InitApicIdCpuIdLo - is core# in high or low half of APIC ID?
ENABLE_CF8_EXT_CFG EQU 46 ; EnableCf8ExtCfg - enable CF8 extended configuration cycles
MTRR_SYS_CFG EQU 0C0010010h ; System Configuration Register
CHX_TO_DIRTY_DIS EQU 16 ; ChxToDirtyDis Change to dirty disable
SYS_UC_LOCK_EN EQU 17 ; SysUcLockEn System lock command enable
MTRR_FIX_DRAM_EN EQU 18 ; MtrrFixDramEn MTRR fixed RdDram and WrDram attributes enable
MTRR_FIX_DRAM_MOD_EN EQU 19 ; MtrrFixDramModEn MTRR fixed RdDram and WrDram modification enable
MTRR_VAR_DRAM_EN EQU 20 ; MtrrVarDramEn MTRR variable DRAM enable
MTRR_TOM2_EN EQU 21 ; MtrrTom2En MTRR top of memory 2 enable
PERF_CONTROL3 EQU 0C0010003h ; Performance event control three
PERF_CONTROL3_RESERVE_L EQU 00200000h ; Preserve the reserved bits
PERF_CONTROL3_RESERVE_H EQU 0FCF0h ; Preserve the reserved bits
CONFIG_EVENT_L EQU 0F0E2h ; All cores with level detection
CONFIG_EVENT_H EQU 4 ; Increment count by number of event
; occured in clock cycle
EVENT_ENABLE EQU 22 ; Enable the event
PERF_COUNTER3 EQU 0C0010007h ; Performance event counter three
; PCI Registers
FUNC_3 EQU 3
MCA_NB_CFG EQU 44h ; MCA NB Configuration
CPU_ERR_DIS EQU 6 ; CPU error response disable
PRODUCT_INFO_REG1 EQU 1FCh ; Product Information Register 1
; Local use flags, in upper most byte of ESI
FLAG_UNKNOWN_FAMILY EQU 24 ; Signals that the family# of the installed processor is not recognized
FLAG_STACK_REENTRY EQU 25 ; Signals that the environment has made a re-entry (2nd) call to set up the stack
FLAG_IS_PRIMARY EQU 26 ; Signals that this core is the primary within the compute unit
FLAG_CORE_NOT_IDENTIFIED EQU 27 ; Signals that the cores/compute units of the installed processor is not recognized
FLAG_FORCE_32K_STACK EQU 28 ; Signals that to force 32KB stack size for BSP core
; Error code returned in EDX by AMD_ENABLE_STACK
IFNDEF CPU_EVENT_UNKNOWN_PROCESSOR_FAMILY
CPU_EVENT_UNKNOWN_PROCESSOR_FAMILY EQU 008010500h
ENDIF
IFNDEF CPU_EVENT_STACK_REENTRY
CPU_EVENT_STACK_REENTRY EQU 008020500h
ENDIF
IFNDEF CPU_EVENT_CORE_NOT_IDENTIFIED
CPU_EVENT_CORE_NOT_IDENTIFIED EQU 008030500h
ENDIF
; AGESA_STATUS values
IFNDEF AGESA_SUCCESS
AGESA_SUCCESS EQU 0
ENDIF
IFNDEF AGESA_WARNING
AGESA_WARNING EQU 4
ENDIF
IFNDEF AGESA_FATAL
AGESA_FATAL EQU 7
ENDIF
;;***************************************************************************
;;
;; CPU MACROS - PUBLIC
;;
;;***************************************************************************
_WRMSR macro
db 0Fh, 30h
endm
_RDMSR macro
db 0Fh, 32h
endm
AMD_CPUID MACRO arg0
IFB <arg0>
mov eax, 1
db 0Fh, 0A2h ; Execute instruction
bswap eax
xchg al, ah ; Ext model in al now
rol eax, 8 ; Ext model in ah, model in al
and ax, 0FFCFh ; Keep 23:16, 7:6, 3:0
ELSE
mov eax, arg0
db 0Fh, 0A2h
ENDIF
ENDM
MAKE_EXT_PCI_ADDR MACRO Seg, Bus, Dev, Func, Offset
mov eax, ((1 SHL 31) OR (Seg SHL 28) OR (((Offset AND 0F00h) SHR 8) SHL 24) OR (Bus SHL 16) OR (Dev SHL 11) OR (Func SHL 8) OR (Offset AND 0FCh))
ENDM
;---------------------------------------------------
; LoadTableAddress
; Due to the various assembly methodologies used by BIOS vendors, this macro is needed to abstract the
; loading of the address of a table. The default is the standard LEA instruction with table address.
; The IBV that needs to use an alternative method can define their version of the macro prior to including
; this file into their source.
; An alternative example:
; LoadTableAddress MACRO MyTable
; LEA eax, -(LAST_ADDRESS - MyTable)
;---------------------------------------------------
IFNDEF LoadTableAddress
LoadTableAddress Macro TargetTable
LEA eax, TargetTable
ENDM
ENDIF
;;***************************************************************************
;;
;; CPU STRUCTURES - PUBLIC
;;
;;***************************************************************************
CPU_FAMILY_INFO STRUC
L2_MIN_SIZE WORD ? ; Minimum size of the L2 cache for this family, in K
NUM_SHARED_CORES BYTE ? ; Number of cores sharing an L2 cache
L2_ALLOC_MEM BYTE ? ; L2 space reserved for memory training, in K
L2_ALLOC_EXE WORD ? ; L2 space reserved for EXE CACHE, in K. 0 means unlimited.
SIZE_ADDRESS_BUS BYTE ? ; Number of address bits supported by this family
FAMILY_RESERVED BYTE ? ; reserved, pad to DWORD size
CPU_FAMILY_INFO ENDS
;---------------------------------------------------
;
; AMD_ENABLE_STACK_FAMILY_HOOK Macro - Stackless
;
; Set any family specific controls needed to enable the use of
; cache as general storage before main memory is available.
;
; Inputs:
; ESI - node#, core#, flags from GET_NODE_ID_CORE_ID
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;---------------------------------------------------
AMD_ENABLE_STACK_FAMILY_HOOK MACRO
AMD_ENABLE_STACK_FAMILY_HOOK_F10
AMD_ENABLE_STACK_FAMILY_HOOK_F12
AMD_ENABLE_STACK_FAMILY_HOOK_F14
AMD_ENABLE_STACK_FAMILY_HOOK_F15
ENDM
;----------------------------------------------
;
; AMD_DISABLE_STACK_FAMILY_HOOK Macro - Stackless
;
; Return any family specific controls to their 'standard'
; settings for using cache with main memory.
;
; Inputs:
; ESI - node#, core#, flags from GET_NODE_ID_CORE_ID
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;----------------------------------------------
AMD_DISABLE_STACK_FAMILY_HOOK MACRO
AMD_DISABLE_STACK_FAMILY_HOOK_F10
AMD_DISABLE_STACK_FAMILY_HOOK_F12
AMD_DISABLE_STACK_FAMILY_HOOK_F14
AMD_DISABLE_STACK_FAMILY_HOOK_F15
ENDM
;---------------------------------------------------
;
; GET_NODE_ID_CORE_ID Macro - Stackless
;
; Read family specific values to determine the node and core
; numbers for the core executing this code.
;
; Inputs:
; none
; Outputs:
; SI[7:0] = Core# (0..N, relative to node)
; SI[15:8]= Node# (0..N)
; SI[23:16]= reserved
; SI[24]= flag: 1=Family Unrecognized
; SI[25]= flag: 1=Interface re-entry call
; SI[26]= flag: 1=Core is primary of compute unit
; SI[31:27]= reserved, =0
;
; Destroyed:
; eax, ebx, ecx, edx, esi
;---------------------------------------------------
GET_NODE_ID_CORE_ID MACRO
mov si, -1
GET_NODE_ID_CORE_ID_F10
GET_NODE_ID_CORE_ID_F12
GET_NODE_ID_CORE_ID_F14
GET_NODE_ID_CORE_ID_F15
;
; Check for unrecognized Family
;
.if (si == -1) ; Has family (node/core) been discovered?
mov esi, ( (1 SHL FLAG_UNKNOWN_FAMILY)+(1 SHL FLAG_IS_PRIMARY) ) ; No, Set error code, Only let BSP continue
mov ecx, APIC_BASE_ADDRESS ; MSR:0000_001B
_RDMSR
bt eax, APIC_BSC ; Is this the BSC?
.if (!carry?)
; No, this is an AP
hlt ; Kill APs
.endif
.endif
ENDM
;;***************************************************************************
;; Family 10h MACROS
;;***************************************************************************
;---------------------------------------------------
;
; AMD_ENABLE_STACK_FAMILY_HOOK_F10 Macro - Stackless
;
; Set any family specific controls needed to enable the use of
; cache as general storage before main memory is available.
;
; Inputs:
; ESI - node#, core#, flags from GET_NODE_ID_CORE_ID
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 10h requirements (BKDG section 2.3.3):
; * Paging disabled
; * MSRC001_0015[INVDWBINVD]=0
; * MSRC001_1021[DIS_IND]=1
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=1
; * MSRC001_1022[DIS_SPEC_TLB_RLD]=1
; * MSRC001_1022[DIS_CLR_WBTOL2_SMC_HIT]=1
; * MSRC001_1022[DIS_HW_PF]=1
; * MSRC001_102A[IcDisSpecTlbWr]=1
; * MSRC001_102A[ClLinesToNbDis]=1
; * No INVD or WBINVD, no exceptions, page faults or interrupts
;---------------------------------------------------
AMD_ENABLE_STACK_FAMILY_HOOK_F10 MACRO
local fam10_enable_stack_hook_exit
AMD_CPUID CPUID_MODEL
mov ebx, eax ; Save revision info to EBX
shr eax, 20 ; AL = cpu extended family
cmp al, 01h ; Is this family 10h?
jnz fam10_enable_stack_hook_exit ; Br if no
; Errata #385
; F3x1B8[23] = 1 before enabling L3 cache through CR0[30](CD)
mov eax, ebx ; Restore revision info to EAX
.if (al >= 80h) ; Is this Revision D and later?
mov ecx, NB_CFG ; MSR:C001_001F
_RDMSR ; EDX has EnableCf8ExtCfg bit
bts edx, (ENABLE_CF8_EXT_CFG - 32)
_WRMSR
mov eax, esi ; Get node# from esi[15:8]
and eax, 0000FF00h
shl eax, (11 - 8) ; Device#
add eax, L3_CONTROL_REGISTER
mov dx, 0CF8h ; PCI Read
out dx, eax
mov dx, 0CFCh
in eax, dx
or eax, (1 shl 23) ; F3x1B8[23] = 1
out dx, eax ; PCI Write
.endif
mov ecx, DC_CFG ; MSR:C001_1022
_RDMSR
bts eax, DC_DIS_SPEC_TLB_RLD ; Turn on Disable speculative DTLB reloads bit
bts eax, DIS_CLR_WBTOL2_SMC_HIT ; Turn on Disable the self modifying code check buffer bit
bts eax, DIS_HW_PF ; Turn on Disable hardware prefetches bit
_WRMSR
dec cx ; MSR:C001_1021
_RDMSR
bts eax, IC_DIS_SPEC_TLB_RLD ; Turn on Disable speculative TLB reloads bit
bts eax, DIS_IND ; Turn on Disable indirect branch predictor
_WRMSR
mov ecx, BU_CFG2 ; MSR C001_102A
_RDMSR
bts eax, F10_CL_LINES_TO_NB_DIS ; Allow BIOS ROM to be cached in the IC
bts edx, (IC_DIS_SPEC_TLB_WR-32) ;Disable speculative writes to the ITLB
_WRMSR
mov ecx, HWCR ; MSR C001_0015
_RDMSR
bt esi, FLAG_STACK_REENTRY ; Check if stack has already been set
.if (!carry?)
btr eax, INVD_WBINVD ; disable INVD -> WBINVD conversion
_WRMSR
.endif
mov eax, esi ; load core#
.if (al == 0) ; If (BSP)
mov ecx, PERF_COUNTER3 ; Select performance counter three
; to count number of CAR evictions
xor eax, eax ; Initialize the lower part of the counter to zero
xor edx, edx ; Initializa the upper part of the counter to zero
_WRMSR ; Save it
mov ecx, PERF_CONTROL3 ; Select the event control three
_RDMSR ; Get the current setting
and eax, PERF_CONTROL3_RESERVE_L ; Preserve the reserved bits
or eax, CONFIG_EVENT_L ; Set the lower part of event register to
; select CAR Corruption occurred by any cores
and dx, PERF_CONTROL3_RESERVE_H ; Preserve the reserved bits
or dx, CONFIG_EVENT_H ; Set the upper part of event register
_WRMSR ; Save it
bts eax, EVENT_ENABLE ; Enable it
_WRMSR ; Save it
.endif ; endif
fam10_enable_stack_hook_exit:
ENDM
;----------------------------------------------
;
; AMD_DISABLE_STACK_FAMILY_HOOK_F10 Macro - Stackless
;
; Return any family specific controls to their 'standard'
; settings for using cache with main memory.
;
; Inputs:
; ESI - [31:24] flags; [15:8]= Node#; [7:0]= core#
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 10h requirements:
; * INVD or WBINVD
; * MSRC001_0015[INVD_WBINVD]=1
; * MSRC001_1021[DIS_IND]=0
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=0
; * MSRC001_1022[DIS_SPEC_TLB_RLD]=0
; * MSRC001_1022[DIS_CLR_WBTOL2_SMC_HIT]=0
; * MSRC001_1022[DIS_HW_PF]=0
; * MSRC001_102A[IcDisSpecTlbWr]=0
; * MSRC001_102A[ClLinesToNbDis]=0
;----------------------------------------------
AMD_DISABLE_STACK_FAMILY_HOOK_F10 MACRO
local fam10_disable_stack_hook_exit
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 01h ; Is this family 10h?
jnz fam10_disable_stack_hook_exit ; Br if no
mov ecx, DC_CFG ; MSR:C001_1022
_RDMSR
btr eax, DC_DIS_SPEC_TLB_RLD ; Enable speculative TLB reloads
btr eax, DIS_CLR_WBTOL2_SMC_HIT ; Allow self modifying code check buffer
btr eax, DIS_HW_PF ; Allow hardware prefetches
_WRMSR
dec cx ; MSR:C001_1021
_RDMSR
btr eax, DIS_IND ; Turn on indirect branch predictor
btr eax, IC_DIS_SPEC_TLB_RLD ; Turn on speculative TLB reloads
_WRMSR
mov ecx, BU_CFG2 ; MSR:C001_102A
_RDMSR
btr eax, F10_CL_LINES_TO_NB_DIS ; Return L3 to normal mode
btr edx, (IC_DIS_SPEC_TLB_WR-32) ;Re-enable speculative writes to the ITLB
_WRMSR
;--------------------------------------------------------------------------
; Begin critical sequence in which EAX, BX, ECX, and EDX must be preserved.
;--------------------------------------------------------------------------
mov ecx, HWCR ; MSR:0000_0015
_RDMSR
mov bx, ax ; Save INVD -> WBINVD bit
btr eax, INVD_WBINVD ; Disable INVD -> WBINVD conversion for the invd instruction.
_WRMSR
invd ; Clear the cache tag RAMs
mov ax, bx ; Restore INVD -> WBINVD bit
_WRMSR
;--------------------------------------------------------------------------
; End critical sequence in which EAX, BX, ECX, and EDX must be preserved.
;--------------------------------------------------------------------------
mov ecx, PERF_CONTROL3 ; Select the event control three
_RDMSR ; Retrieve the current value
btc eax, EVENT_ENABLE ; Is event enable, complement it as well
jnc fam10_disable_stack_hook_exit ; No
cmp ax, CONFIG_EVENT_L ; Is the lower part of event set to capture the CAR Corruption
jne fam10_disable_stack_hook_exit ; No
cmp dl, CONFIG_EVENT_H ; Is the upper part of event set to capture the CAR Corruption
jne fam10_disable_stack_hook_exit ; No
_WRMSR ; Disable the event
fam10_disable_stack_hook_exit:
ENDM
;---------------------------------------------------
;
; GET_NODE_ID_CORE_ID_F10 Macro - Stackless
;
; Read family specific values to determine the node and core
; numbers for the core executing this code.
;
; Inputs:
; none
; Outputs:
; ESI = core#, node# & flags (see GET_NODE_ID_CORE_ID macro above)
; MM5 = 32b pointer to family info structure
; Destroyed:
; eax, ebx, ecx, edx, esi, mm5
;---------------------------------------------------
GET_NODE_ID_CORE_ID_F10 MACRO
local node_core_f10_exit
local end_of_f10h_data
IFNDEF FAM10H_INFO_STRUCT
jmp end_of_f10h_data
; Family 10h Info Structure: L2Size, #SharedCores, AllocMem, AllocExe, SzAddrBus, pad
FAM10H_INFO_STRUCT CPU_FAMILY_INFO { 512, 1, 16, 384, 48, 0}
end_of_f10h_data:
ENDIF
cmp si, -1 ; Has node/core already been discovered?
jnz node_core_f10_exit ; Br if yes
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 01h ; Is this family 10h?
jnz node_core_f10_exit ; Br if no
LoadTableAddress(FAM10H_INFO_STRUCT)
movd mm5, eax ; load pointer to Family Info Struc
xor esi, esi ; Assume BSC, clear flags
mov ecx, APIC_BASE_ADDRESS ; MSR:0000_001B
_RDMSR
bt eax, APIC_BSC ; Is this the BSC?
.if (carry?)
; This is the BSP.
; Enable routing tables on BSP (just in case the HT init code has not yet enabled them)
mov eax, 8000C06Ch ; PCI address for D18F0x6C Link Initialization Control Register
mov dx, 0CF8h
out dx, eax
add dx, 4
in eax, dx
btr eax, 0 ; Set LinkInitializationControl[RouteTblDis] = 0
out dx, eax
.else
; This is an AP. Routing tables have been enabled by the HT Init process.
; Also, the MailBox register was set by the BSP during early init
; The Mailbox register content is formatted as follows:
; UINT32 Node:4; // The node id of Core's node.
; UINT32 Socket:4; // The socket of this Core's node.
; UINT32 Module:2; // The internal module number for Core's node.
; UINT32 ModuleType:2; // Single Module = 0, Multi-module = 1.
; UINT32 :20; // Reserved
;
mov ecx, 0C0000408h ; Read the family 10h mailbox
_RDMSR ; MC4_MISC1[63:32]
mov si, dx ; SI = raw mailbox contents (will extract node# from this)
shr ebx, 24 ; BL = CPUID Fn0000_0001_EBX[LocalApicId]
mov di, bx ; DI = Initial APIC ID (will extract core# from this)
AMD_CPUID AMD_CPUID_APIC ;
shr ch, 4 ; CH = ApicIdSize, #bits in APIC ID that show core#
inc cl ; CL = Number of enabled cores in the socket
mov bx, cx
mov ecx, NB_CFG ; MSR:C001_001F
_RDMSR ; EDX has InitApicIdCpuIdLo bit
mov cl, bh ; CL = APIC ID size
mov al, 1 ; Convert APIC ID size to an AND mask
shl al, cl ; AL = 2^APIC ID size
dec al ; AL = mask for relative core number
xor ah, ah ; AX = mask for relative core number
bt edx, (INIT_APIC_ID_CPU_ID_LO-32) ; InitApicIdCpuIdLo == 1?
.if (!carry?) ; Br if yes
mov ch, 8 ; Calculate core number shift count
sub ch, cl ; CH = core shift count
mov cl, ch
shr di, cl ; Right justify core number
.endif
and di, ax ; DI = socket-relative core number
mov cx, si ; CX = raw mailbox value
shr cx, 10 ; CL[1:0] = ModuleType or #nodes per socket (0-SCM, 1-MCM)
and cl, 3 ; Isolate ModuleType
xor bh, bh ; BX = Number of enabled cores in the socket
shr bx, cl ; BX = Number of enabled cores per node
xor dx, dx ; Clear upper word for div
mov ax, di ; AX = socket-relative core number
div bx ; DX = node-relative core number
movzx eax, si ; prepare return value (clears flags)
and ax, 000Fh ; AX = node number
shl ax, 8 ; [15:8]=node#
mov al, dl ; [7:0]=core# (relative to node)
mov esi, eax ; ESI = return value
.endif ; end: Is_AP
bts esi, FLAG_IS_PRIMARY ; all Family 10h cores are primary
bts esi, FLAG_FORCE_32K_STACK ; all Family 10h to force 32KB stack size for BSP core
node_core_f10_exit:
ENDM
;;***************************************************************************
;; Family 12h MACROS
;;***************************************************************************
;---------------------------------------------------
;
; AMD_ENABLE_STACK_FAMILY_HOOK_F12 Macro - Stackless
;
; Set any family specific controls needed to enable the use of
; cache as general storage before main memory is available.
;
; Inputs:
; ESI - node#, core#, flags from GET_NODE_ID_CORE_ID
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 12h requirements (BKDG section 2.3.3):
; The following requirements must be satisfied prior to using the cache as general storage:
; * Paging must be disabled.
; * MSRC001_0015[INVD_WBINVD]=0
; * MSRC001_1020[DIS_SS]=1
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=1
; * MSRC001_1022[DIS_SPEC_TLB_RLD]=1
; * MSRC001_1022[DIS_CLR_WBTOL2_SMC_HIT]=1
; * MSRC001_1022[DIS_HW_PF]=1
; * MSRC001_1029[ClflushSerialize]=1
; * No INVD or WBINVD, no exceptions, page faults or interrupts
;---------------------------------------------------
AMD_ENABLE_STACK_FAMILY_HOOK_F12 MACRO
local fam12_enable_stack_hook_exit
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 03h ; Is this family 12h?
jnz fam12_enable_stack_hook_exit ; Br if no
mov ecx, DC_CFG ; MSR:C001_1022
_RDMSR
bts eax, DC_DIS_SPEC_TLB_RLD ; Disable speculative DC-TLB reloads
bts eax, DIS_CLR_WBTOL2_SMC_HIT ; Disable self modifying code check buffer
bts eax, DIS_HW_PF ; Disable hardware prefetches
_WRMSR
dec cx ;IC_CFG ; MSR:C001_1021
_RDMSR
bts eax, IC_DIS_SPEC_TLB_RLD ; Disable speculative IC-TLB reloads
_WRMSR
dec cx ;LS_CFG ; MSR:C001_1020
_RDMSR
bts eax, DIS_SS ; Disabled Streaming store functionality
_WRMSR
mov ecx, HWCR ; MSR C001_0015
_RDMSR
bt esi, FLAG_STACK_REENTRY ; Check if stack has already been set
.if (!carry?)
btr eax, INVD_WBINVD ; disable INVD -> WBINVD conversion
_WRMSR
.endif
mov ecx, DE_CFG ; MSR:C001_1029
_RDMSR
bts eax, CL_FLUSH_SERIALIZE ; Serialize all CL Flush actions
_WRMSR
fam12_enable_stack_hook_exit:
ENDM
;----------------------------------------------
;
; AMD_DISABLE_STACK_FAMILY_HOOK_F12 Macro - Stackless
;
; Return any family specific controls to their 'standard'
; settings for using cache with main memory.
;
; Inputs:
; ESI - [31:24] flags; [15:8]= Node#; [7:0]= core#
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 12h requirements:
; * INVD or WBINVD
; * MSRC001_0015[INVD_WBINVD]=1
; * MSRC001_1020[DIS_SS]=0
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=0
; * MSRC001_1022[DIS_SPEC_TLB_RLD]=0
; * MSRC001_1022[DIS_CLR_WBTOL2_SMC_HIT]=0
; * MSRC001_1022[DIS_HW_PF]=0
; * MSRC001_1029[ClflushSerialize]=0
;---------------------------------------------------
AMD_DISABLE_STACK_FAMILY_HOOK_F12 MACRO
local fam12_disable_stack_hook_exit
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 03h ; Is this family 12h?
jnz fam12_disable_stack_hook_exit ; Br if no
mov ecx, DC_CFG ; MSR:C001_1022
_RDMSR
btr eax, DC_DIS_SPEC_TLB_RLD ; Turn on speculative DC-TLB reloads
btr eax, DIS_CLR_WBTOL2_SMC_HIT ; Enable self modifying code check buffer
btr eax, DIS_HW_PF ; Enable Hardware prefetches
_WRMSR
dec cx ;IC_CFG ; MSR:C001_1021
_RDMSR
btr eax, IC_DIS_SPEC_TLB_RLD ; Turn on speculative IC-TLB reloads
_WRMSR
dec cx ;LS_CFG ; MSR:C001_1020
_RDMSR
btr eax, DIS_SS ; Turn on Streaming store functionality
_WRMSR
mov ecx, DE_CFG ; MSR:C001_1029
_RDMSR
btr eax, CL_FLUSH_SERIALIZE
_WRMSR
;--------------------------------------------------------------------------
; Begin critical sequence in which EAX, BX, ECX, and EDX must be preserved.
;--------------------------------------------------------------------------
mov ecx, HWCR ; MSR:0000_0015h
_RDMSR
mov bx, ax ; Save INVD -> WBINVD bit
btr eax, INVD_WBINVD ; Disable INVD -> WBINVD conversion
_WRMSR
invd ; Clear the cache tag RAMs
mov ax, bx ; Restore INVD -> WBINVD bit
_WRMSR
;--------------------------------------------------------------------------
; End critical sequence in which EAX, BX, ECX, and EDX must be preserved.
;--------------------------------------------------------------------------
fam12_disable_stack_hook_exit:
ENDM
;---------------------------------------------------
;
; GET_NODE_ID_CORE_ID_F12 Macro - Stackless
;
; Read family specific values to determine the node and core
; numbers for the core executing this code.
;
; Inputs:
; none
; Outputs:
; ESI = core#, node# & flags (see GET_NODE_ID_CORE_ID macro above)
; MM5 = 32b pointer to family info structure
; Destroyed:
; eax, ebx, ecx, edx, esi, mm5
;---------------------------------------------------
GET_NODE_ID_CORE_ID_F12 MACRO
local node_core_f12_exit
local end_of_f12h_data
IFNDEF FAM12H_INFO_STRUCT
jmp end_of_f12h_data
; Family 12h Info Structure: L2Size, #SharedCores, AllocMem, AllocExe, SzAddrBus, pad
FAM12H_INFO_STRUCT CPU_FAMILY_INFO { 512, 1, 0, 384, 40, 0 }
end_of_f12h_data:
ENDIF
cmp si, -1 ; Has node/core already been discovered?
jnz node_core_f12_exit ; Br if yes
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 03h ; Is this family 12h?
jnz node_core_f12_exit ; Br if no
LoadTableAddress(FAM12H_INFO_STRUCT)
movd mm5, eax ; load pointer to Family Info Struc
shr ebx, 24 ; CPUID_0000_0001_EBX[31:24]: initial local APIC physical ID
bts ebx, FLAG_IS_PRIMARY ; all family 12h cores are primary
mov esi, ebx ; ESI = Node#=0, core number
bts esi, FLAG_FORCE_32K_STACK ; all Family 12h to force 32KB stack size for BSP core
node_core_f12_exit:
ENDM
;;***************************************************************************
;; Family 14h MACROS
;;***************************************************************************
;---------------------------------------------------
;
; AMD_ENABLE_STACK_FAMILY_HOOK_F14 Macro - Stackless
;
; Set any family specific controls needed to enable the use of
; cache as general storage before main memory is available.
;
; Inputs:
; ESI - node#, core#, flags from GET_NODE_ID_CORE_ID
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 14h requirements (BKDG section 2.3.3):
; * Paging must be disabled.
; * MSRC001_0015[INVD_WBINVD]=0.
; * MSRC001_1020[DisStreamSt]=1.
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=1. Disable speculative ITLB reloads.
; * MSRC001_1022[DIS_HW_PF]=1.
; * No INVD or WBINVD, no exceptions, page faults or interrupts
;---------------------------------------------------
AMD_ENABLE_STACK_FAMILY_HOOK_F14 MACRO
local fam14_enable_stack_hook_exit
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 05h ; Is this family 14h?
jnz fam14_enable_stack_hook_exit ; Br if no
mov ecx, DC_CFG ; MSR:C001_1022
_RDMSR
bts eax, DIS_HW_PF ; Disable hardware prefetches
_WRMSR
dec cx ;IC_CFG ; MSR:C001_1021
_RDMSR
bts eax, IC_DIS_SPEC_TLB_RLD ; Disable speculative TLB reloads
_WRMSR
dec cx ;LS_CFG ; MSR:C001_1020
_RDMSR
bts eax, DIS_STREAM_ST ; Disabled Streaming store functionality
_WRMSR
mov ecx, HWCR ; MSR C001_0015
_RDMSR
bt esi, FLAG_STACK_REENTRY ; Check if stack has already been set
.if (!carry?)
btr eax, INVD_WBINVD ; disable INVD -> WBINVD conversion
_WRMSR
.endif
fam14_enable_stack_hook_exit:
ENDM
;----------------------------------------------
;
; AMD_DISABLE_STACK_FAMILY_HOOK_F14 Macro - Stackless
;
; Return any family specific controls to their 'standard'
; settings for using cache with main memory.
;
; Inputs:
; ESI - [31:24] flags; [15:8]= Node#; [7:0]= core#
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 14h requirements:
; * INVD or WBINVD
; * MSRC001_0015[INVD_WBINVD]=1.
; * MSRC001_1020[DisStreamSt]=0.
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=0.
; * MSRC001_1022[DIS_HW_PF]=0.
;---------------------------------------------------
AMD_DISABLE_STACK_FAMILY_HOOK_F14 MACRO
local fam14_disable_stack_hook_exit
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 05h ; Is this family 14h?
jnz fam14_disable_stack_hook_exit ; Br if no
mov ecx, LS_CFG ; MSR:C001_1020
_RDMSR
btr eax, DIS_STREAM_ST ; Turn on Streaming store functionality
_WRMSR
inc cx ;IC_CFG ; MSR:C001_1021
_RDMSR
btr eax, IC_DIS_SPEC_TLB_RLD ; Turn on speculative DC-TLB reloads
_WRMSR
inc cx ;DC_CFG ; MSR:C001_1022
_RDMSR
btr eax, DIS_HW_PF ; Turn on hardware prefetches
_WRMSR
;--------------------------------------------------------------------------
; Begin critical sequence in which EAX, BX, ECX, and EDX must be preserved.
;--------------------------------------------------------------------------
mov ecx, HWCR ; MSR:C001_0015h
_RDMSR
btr eax, INVD_WBINVD ; Disable INVD -> WBINVD conversion
_WRMSR
invd ; Clear the cache tag RAMs
bts eax, INVD_WBINVD ; Turn on Conversion of INVD to WBINVD
_WRMSR
;--------------------------------------------------------------------------
; End critical sequence in which EAX, BX, ECX, and EDX must be preserved.
;--------------------------------------------------------------------------
fam14_disable_stack_hook_exit:
ENDM
;---------------------------------------------------
;
; GET_NODE_ID_CORE_ID_F14 Macro - Stackless
;
; Read family specific values to determine the node and core
; numbers for the core executing this code.
;
; Inputs:
; none
; Outputs:
; ESI = core#, node# & flags (see GET_NODE_ID_CORE_ID macro above)
; MM5 = 32b pointer to family info structure
; Destroyed:
; eax, ebx, ecx, edx, esi, mm5
;---------------------------------------------------
GET_NODE_ID_CORE_ID_F14 MACRO
local node_core_f14_exit
local end_of_f14h_data
IFNDEF FAM14H_INFO_STRUCT
jmp end_of_f14h_data
; Family 14h Info Structure: L2Size, #SharedCores, AllocMem, AllocExe, SzAddrBus, pad
FAM14H_INFO_STRUCT CPU_FAMILY_INFO { 256, 1, 0, 0, 36, 0}
end_of_f14h_data:
ENDIF
cmp si, -1 ; Has node/core already been discovered?
jnz node_core_f14_exit ; Br if yes
AMD_CPUID CPUID_MODEL
shr eax, 20 ; AL = cpu extended family
cmp al, 05h ; Is this family 14h?
jnz node_core_f14_exit ; Br if no
LoadTableAddress(FAM14H_INFO_STRUCT)
movd mm5, eax ; load pointer to Family Info Struc
shr ebx, 24 ; CPUID_0000_0001_EBX[31:24]: initial local APIC physical ID
bts ebx, FLAG_IS_PRIMARY ; all family 14h cores are primary
mov esi, ebx ; ESI = Node#=0, core number
node_core_f14_exit:
ENDM
;;***************************************************************************
;; Family 15h MACROS
;;***************************************************************************
;---------------------------------------------------
;
; AMD_ENABLE_STACK_FAMILY_HOOK_F15 Macro - Stackless
;
; Set any family specific controls needed to enable the use of
; cache as general storage before main memory is available.
;
; Inputs:
; ESI - node#, core#, flags from GET_NODE_ID_CORE_ID
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 15h requirements (BKDG #42301 section 2.3.3):
; * Paging must be disabled.
; * MSRC001_0015[INVD_WBINVD]=0
; * MSRC001_1020[DisSS]=1
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=1
; * MSRC001_1022[DIS_SPEC_TLB_RLD]=1
; * MSRC001_1022[DisHwPf]=1
; * No INVD or WBINVD, no exceptions, page faults or interrupts
;---------------------------------------------------
AMD_ENABLE_STACK_FAMILY_HOOK_F15 MACRO
local fam15_enable_stack_hook_exit
AMD_CPUID CPUID_MODEL
mov ebx, eax ; Save revision info to EBX
shr eax, 20 ; AL = cpu extended family
cmp al, 06h ; Is this family 15h?
jnz fam15_enable_stack_hook_exit ; Br if no
bt esi, FLAG_STACK_REENTRY ; Check if stack has already been set
.if (!carry?)
mov ecx, HWCR ; MSR C001_0015
_RDMSR
btr eax, INVD_WBINVD ; disable INVD -> WBINVD conversion
_WRMSR
.endif
mov ecx, LS_CFG ; MSR:C001_1020
_RDMSR
bts eax, DIS_SS ; Turn on Streaming store functionality disabled bit
_WRMSR
inc ecx ;IC_CFG ; MSR:C001_1021
_RDMSR
bts eax, IC_DIS_SPEC_TLB_RLD ; Turn on Disable speculative IC-TLB reloads bit
_WRMSR
mov eax, ebx ; Restore revision info to EAX
shr eax, 16
and al, 0Fh ; AL = cpu extended model
inc ecx ;DC_CFG ; MSR:C001_1022
_RDMSR
bts eax, DC_DIS_SPEC_TLB_RLD ; Turn on Disable speculative DC-TLB reloads bit
bts eax, DIS_HW_PF ; Turn on Disable hardware prefetches bit
_WRMSR
mov eax, ebx ; Restore revision info to EAX
shr eax, 16
and al, 0Fh ; AL = cpu extended model
.if (al == 01h) || (al == 03h) ;del ; Is this TN or KV?
.if (al == 01h) ; Is this TN
; Enable MSRC001_001F[EnableCf8ExtCfg]
mov ecx, NB_CFG ; MSR:C001_001F
_RDMSR ; EDX has EnableCf8ExtCfg bit
bts edx, (ENABLE_CF8_EXT_CFG - 32)
_WRMSR
; Set F3x44[6, CpuErrDis] = 1
MAKE_EXT_PCI_ADDR 0, 0, 24, FUNC_3, MCA_NB_CFG
mov dx, 0CF8h ; PCI Read
out dx, eax
add dx, 4
in eax, dx
bts eax, CPU_ERR_DIS
out dx, eax
.endif
;del ; Do TN/KV enable stack special
mov ecx, CU_CFG ; MSR:C001_1023
_RDMSR
bt eax, L2_WAY_LOCK_EN ; Check if way 15 of the L2 needs to be reserved
.if (!carry?)
bts eax, L2_WAY_LOCK_EN
or eax, L2_FIRST_LOCKED_WAY_OR_MASK
_WRMSR
.endif
.endif
mov eax, ebx ; Restore revision info to EAX
xchg al, ah
shr eax, 8 ; AX = {ExtFamily, ExtModel, BaseModel, Stepping}
;del .if (ax == 6100h) ; Is this TN-A0?
;del ; Check if F3x1FC[21] is 0
;del MAKE_EXT_PCI_ADDR 0, 0, 24, FUNC_3, PRODUCT_INFO_REG1
;del mov dx, 0CF8h ; PCI Read
;del out dx, eax
;del add dx, 4
;del in eax, dx
;del bt eax, 21
;del .if (!carry?) ; if F3x1FC[21] == 0?
;del mov ecx, CU_CFG2 ; MSR:C001_102A
;del _RDMSR
;del bts eax, 8 ; Erratum#684. This bit should be set for TN-A0 with D18F3x1FC[21] = 0.
;del _WRMSR
;del .endif
;del .endif
; Do Standard Family 15 work
mov ecx, CU_CFG3 ; MSR:C001_102B
_RDMSR
btr edx, (COMBINE_CR0_CD - 32) ; Clear CombineCr0Cd bit
_WRMSR
fam15_enable_stack_hook_exit:
ENDM
;----------------------------------------------
;
; AMD_DISABLE_STACK_FAMILY_HOOK_F15 Macro - Stackless
;
; Return any family specific controls to their 'standard'
; settings for using cache with main memory.
;
; Inputs:
; ESI - [31:24] flags; [15:8]= Node#; [7:0]= core#
; Outputs:
; none
; Destroyed:
; eax, ebx, ecx, edx
;
; Family 15h requirements:
; * INVD or WBINVD
; * MSRC001_0015[INVD_WBINVD]=1
; * MSRC001_1020[DisSS]=0
; * MSRC001_1021[DIS_SPEC_TLB_RLD]=0
; * MSRC001_1022[DIS_SPEC_TLB_RLD]=0
; * MSRC001_1022[DIS_HW_PF]=0
;---------------------------------------------------
AMD_DISABLE_STACK_FAMILY_HOOK_F15 MACRO
local fam15_disable_stack_hook_exit
local fam15_disable_stack_remote_read_exit
AMD_CPUID CPUID_MODEL
mov ebx, eax ; Save revision info to EBX
shr eax, 20 ; AL = cpu extended family
cmp al, 06h ; Is this family 15h?
jnz fam15_disable_stack_hook_exit ; Br if no
mov edi, ebx ; Save revision info to EDI
AMD_CPUID AMD_CPUID_APIC
mov al, cl ; AL = number of cores - 1
shr cx, APIC_ID_CORE_ID_SIZE ; CL = ApicIdCoreIdSize
mov bx, 1
shl bl, cl ; BL = theoretical number of cores on socket
dec bx ; BL = core number on socket mask
mov ah, bl ; AH = core number on socket mask
mov ebx, edi ; Restore revision info to EBX
mov di, ax ; DI[15:8] = core number mask, DI[7:0] = number of cores - 1
and ebx, 0F00FFh
mov eax, ebx
shr eax, 8
or bx, ax ; Save Extended Model, Model and Stepping to BX
; [11:8] = Extended Model, [7:4] = Model, [3:0] = Stepping
;; A handshake is required to ensure that all cores on a node invalidate in sync.
mov ecx, APIC_BASE_ADDRESS
_RDMSR
mov dx, bx ; Save Extended Model, Model and Stepping to DX
shl edx, 16 ; EDX[31:16] = Extended Model, Model and Stepping
mov ebx, eax ; EBX = LAPIC base
xor ecx, ecx ; Zero out CU flags
bts ecx, AMD_CU_NEED_TO_WAIT ; Default to waiting
bts ecx, AMD_CU_SEND_INVD_MSG ; Default to signaling
mov eax, CR0
bt ax, CR0_PE ; Are we in protected mode?
.if (!carry?)
bts ecx, AMD_CU_RESTORE_ES ; Indicate ES restore is required
mov cx, es ; Save ES segment register to CX
xor ax, ax
mov es, ax ; Set ES to big real mode selector for 4GB access
.endif
and bx, 0F000h ; EBX = LAPIC base, offset 0
or bl, APIC_ID_REG
mov eax, es:[ebx] ; EAX[31:24] = APIC ID
shr eax, APIC20_APICID ; AL = APIC ID
mov ah, al ; AH = APIC ID
mov dx, di ; DH = core mask
and ah, dh ; AH = core number
.if (zero?)
;; Core 0 of a socket
btr ecx, AMD_CU_SEND_INVD_MSG ; No need to signal after INVD
.if (dl != 0)
;; This socket has multiple cores
and bx, 0F000h ; EBX = LAPIC base, offset 0
or bx, APIC_MSG_REG
mov edi, APIC_MSG
mov es:[ebx], edi ; Signal for non core 0s to complete CAR breakdown
.else
btr ecx, AMD_CU_NEED_TO_WAIT ; No need to wait on a single core CPU
.endif
.endif
bt ecx, AMD_CU_NEED_TO_WAIT
.if (carry?)
.if (ah == dl)
;; This is the highest numbered core on this socket -- wait on core 0
not dh ; Flip the mask to determine local core 0's APIC ID
and al, dh ; AL = target APIC ID
.else
;; All other cores (including core 0) wait on the next highest core.
;; In this way, cores will halt in a cascading fashion down to 0.
inc al
.endif
shl eax, APIC20_APICID
and bx, 0F000h
or bx, APIC_CMD_HI_REG
mov es:[ebx], eax ; Set target APIC ID
;; Use bits 23:16 as a timeout for unresponsive cores
ror ecx, 8
mov ch, 0FFh
stc
.while (carry?)
and bx, 0F000h ; EBX = LAPIC base, offset 0
or bx, APIC_CMD_LO_REG
mov eax, CMD_REG_TO_READ_DATA
mov es:[ebx], eax ; Fire remote read IPI
inc ch ; Pre increment the timeout
stc
.while (carry?)
dec ch ; Check the timeout
jz fam15_disable_stack_remote_read_exit ; Branch if there is an unresponsive core
mov eax, es:[ebx]
bt eax, DELIVERY_STS_BIT
.endw
stc
.while (carry?)
mov eax, es:[ebx]
and eax, REMOTE_READ_STS
.if (eax == REMOTE_DELIVERY_PEND)
dec ch ; Check the timeout
jz fam15_disable_stack_remote_read_exit ; Branch if there is an unresponsive core
stc
.else
clc
.endif
.endw
.if (eax == REMOTE_DELIVERY_DONE)
and bx, 0F000h ; EBX = LAPIC base, offset 0
or bl, APIC_REMOTE_READ_REG
mov eax, es:[ebx]
.if (eax == APIC_MSG)
clc
.else
stc
.endif
.else
dec ch ; Check the timeout
jz fam15_disable_stack_remote_read_exit ; Branch if there is an unresponsive core
stc
.endif
.endw
fam15_disable_stack_remote_read_exit:
rol ecx, 8 ; Restore ECX
.endif
bt ecx, AMD_CU_RESTORE_ES
.if (carry?)
mov es, cx
.endif
mov edi, ecx ; EDI = CU flags
shr edx, 16
mov bx, dx ; Restore Extended Model, Model and Stepping
;; Handshaking complete. Continue tearing down CAR.
mov ecx, LS_CFG ; MSR:C001_1020
.if (bx != 0) ;del ; Is this OR A0?
_RDMSR
btr eax, DIS_SS ; Turn on Streaming store functionality
_WRMSR
.endif ; End workaround for errata 495 and 496
inc ecx ;IC_CFG ; MSR:C001_1021
_RDMSR
btr eax, IC_DIS_SPEC_TLB_RLD ; Turn on speculative TLB reloads
_WRMSR
inc ecx ;DC_CFG ; MSR:C001_1022
_RDMSR
btr eax, DC_DIS_SPEC_TLB_RLD ; Turn on speculative TLB reloads
.if (bx != 0) ;del ; Is this OR A0?
btr eax, DIS_HW_PF ;del ; Turn on hardware prefetches
.endif ; End workaround for erratum 498
_WRMSR
mov ecx, HWCR ; MSR:C001_0015h
_RDMSR
btr eax, INVD_WBINVD ; Disable INVD -> WBINVD conversion
_WRMSR
invd ; Clear the cache tag RAMs
.if (bh == 01h) || (bh == 03h) ;del ; Is this TN or KV?
;del ; Do TN/KV disable stack special
mov ecx, CU_CFG ; MSR:C001_1023
_RDMSR
shr eax, L2_FIRST_LOCKED_WAY
and eax, 01Fh
.if (eax == 01Fh) ; Check if way 15 of the L2 needs to be reserved
_RDMSR ; ECX = CU_CFG, MSR:C001_1023
btr eax, L2_WAY_LOCK_EN
_WRMSR
.endif
.endif
; Do Standard Family 15 work
mov ecx, HWCR ; MSR:C001_0015h
_RDMSR
bts eax, INVD_WBINVD ; Turn on INVD -> WBINVD conversion
_WRMSR
mov ecx, CU_CFG3 ; MSR:C001_102B
_RDMSR
bts edx, (COMBINE_CR0_CD - 32) ; Set CombineCr0Cd bit
_WRMSR
bt edi, AMD_CU_SEND_INVD_MSG
.if (carry?)
;; Non core zero needs to signal to core 0 to proceed
mov ecx, APIC_BASE_ADDRESS
_RDMSR
mov ebx, eax ; EBX = LAPIC base
and bx, 0F000h ; EBX = LAPIC base, offset 0
or bx, APIC_MSG_REG
mov eax, APIC_MSG
mov es:[ebx], eax ; Signal for core 0 to complete CAR breakdown
.endif
fam15_disable_stack_hook_exit:
ENDM
;---------------------------------------------------
;
; GET_NODE_ID_CORE_ID_F15 Macro - Stackless
;
; Read family specific values to determine the node and core
; numbers for the core executing this code.
;
; Inputs:
; none
; Outputs:
; ESI = core#, node# & flags (see GET_NODE_ID_CORE_ID macro above)
; MM5 = 32b pointer to family info structure
; Destroyed:
; eax, ebx, ecx, edx, esi, mm5
;---------------------------------------------------
GET_NODE_ID_CORE_ID_F15 MACRO
local node_core_f15_exit
local end_of_f15h_data
IFNDEF FAM15H_INFO_STRUCT
jmp end_of_f15h_data
; Family 15h Info Structure: L2Size, #SharedCores, AllocMem, AllocExe, SzAddrBus, pad
FAM15H_INFO_STRUCT CPU_FAMILY_INFO { 512, 2, 0, 0, 48, 0 }
end_of_f15h_data:
ENDIF
cmp si, -1 ; Has node/core already been discovered?
jnz node_core_f15_exit ; Br if yes
AMD_CPUID CPUID_MODEL
shr eax, 12 ; AH = cpu extended family
cmp ah, 06h ; Is this family 15h?
jnz node_core_f15_exit ; Br if no
shr al, 4 ; AL = cpu extended model
shr ebx, 16 ; BH = LocalApicId
mov bl, al ; BL = cpu extended model
LoadTableAddress(FAM15H_INFO_STRUCT)
movd mm5, eax ; load pointer to Family Info Struc
xor esi, esi ; Assume BSC, clear local flags
mov ecx, APIC_BASE_ADDRESS ; MSR:0000_001B
_RDMSR
bt eax, APIC_BSC ; Is this the BSC?
.if (carry?)
; This is the BSP.
; Enable routing tables on BSP (just in case the HT init code has not yet enabled them)
mov eax, 8000C06Ch ; PCI address for D18F0x6C Link Initialization Control Register
mov dx, 0CF8h
out dx, eax
add dx, 4
in eax, dx
btr eax, 0 ; Set LinkInitializationControl[RouteTblDis] = 0
out dx, eax
.else ;
mov al, bl ; AL = cpu extended model
shr bx, 8 ; BL = CPUID Fn0000_0001_EBX[LocalApicId]
.if (al == 1) || (al == 3) ;del ; Is this single node processor (TN or KV)?
mov si, bx ; SI = [15:8]= Node# = 0; [7:0]= core#
.else
; This is an AP. Routing tables have been enabled by the HT Init process.
; Also, the MailBox register was set by the BSP during early init
; The Mailbox register content is formatted as follows:
; UINT32 Node:4; // The node id of Core's node.
; UINT32 Socket:4; // The socket of this Core's node.
; UINT32 Module:2; // The internal module number for Core's node.
; UINT32 ModuleType:2; // Single Module = 0, Multi-module = 1.
; UINT32 :20; // Reserved
;
mov ecx, 0C0000408h ; Read the family 15h mailbox
_RDMSR ; MC4_MISC1[63:32]
mov si, dx ; SI = raw mailbox contents (will extract node# from this)
mov di, bx ; DI = Initial APIC ID (will extract core# from this)
AMD_CPUID AMD_CPUID_APIC ;
shr ch, 4 ; CH = ApicIdSize, #bits in APIC ID that show core#
inc cl ; CL = Number of enabled cores in the socket
mov bx, cx
mov ecx, NB_CFG
_RDMSR ; EDX has InitApicIdCpuIdLo bit
mov cl, bh ; CL = APIC ID size
mov al, 1 ; Convert APIC ID size to an AND mask
shl al, cl ; AL = 2^APIC ID size
dec al ; AL = mask for relative core number
xor ah, ah ; AX = mask for relative core number
bt edx, (INIT_APIC_ID_CPU_ID_LO-32) ; InitApicIdCpuIdLo == 1?
.if (!carry?) ; Br if yes
mov ch, 8 ; Calculate core number shift count
sub ch, cl ; CH = core shift count
mov cl, ch ;
shr di, cl ; Right justify core number
.endif ;
and di, ax ; DI = socket-relative core number
mov cx, si ; CX = raw mailbox value
shr cx, 10 ; CL[1:0] = ModuleType or #nodes per socket (0-SCM, 1-MCM)
and cl, 3 ; Isolate ModuleType
xor bh, bh ; BX = Number of enabled cores in the socket
shr bx, cl ; BX = Number of enabled cores per node
xor dx, dx ; Clear upper word for div
mov ax, di ; AX = socket-relative core number
div bx ; DX = node-relative core number
movzx eax, si ; Prepare return value
and ax, 000Fh ; AX = node number
shl ax, 8 ; [15:8]=node#
mov al, dl ; [7:0]=core# (relative to node)
mov esi, eax ; ESI = node-relative core number
.endif
.endif ; end
;
; determine if this core shares MTRRs
;
mov eax, 8000C580h ; Compute Unit Status
mov bx, si ; load node#(bh), core#(bl)
shl bh, 3 ; Move node# to PCI Dev# field
add ah, bh ; Adjust PCI adress for node number
mov dx, 0CF8h
out dx, eax
add dx, 4
in eax, dx ; [3:0]=Enabled; [19:16]=DualCore
; BL is MyCore# , BH is primary flag
mov cx, 06h ; Use CH as 'first of pair' core#
.while (cl > 0)
bt eax, 0 ; Is pair enabled?
.if (carry?) ;
mov bh, 01h ; flag core as primary
bt eax, 16 ; Is there a 2nd in the pair?
.if (carry?) ;
.break .if (ch == bl) ; Does 1st match MyCore#?
inc ch
xor bh, bh ; flag core as NOT primary
.break .if (ch == bl) ; Does 2nd match MyCore#?
.else ; No 2nd core
.break .if (ch == bl) ; Does 1st match MyCore#?
.endif
inc ch
.endif
shr eax, 1
dec cl
.endw
.if (cl == 0)
;Error - core# didn't match Compute Unit Status content
bts esi, FLAG_CORE_NOT_IDENTIFIED
bts esi, FLAG_IS_PRIMARY ; Set Is_Primary for unknowns
.endif
.if (bh != 0) ; Check state of primary for the matched core
bts esi, FLAG_IS_PRIMARY ; Set shared flag into return value
.endif
node_core_f15_exit:
ENDM