From 35d9b7ea2d46f784365c14eb293fcd802a2bafff Mon Sep 17 00:00:00 2001 From: Rebecca Cran Date: Wed, 4 May 2022 02:48:11 +0800 Subject: [PATCH] ArmPkg: Remove RVCT support RVCT is obsolete and no longer used. Remove support for it. Signed-off-by: Rebecca Cran Reviewed-by: Ard Biesheuvel --- ArmPkg/Drivers/ArmGic/ArmGicLib.inf | 1 - ArmPkg/Drivers/ArmGic/GicV3/Arm/ArmGicV3.asm | 82 ----- ArmPkg/Include/AsmMacroExport.inc | 23 -- .../ArmExceptionLib/Arm/ExceptionSupport.asm | 296 ------------------ .../ArmExceptionLib/ArmExceptionLib.inf | 1 - .../ArmRelocateExceptionLib.inf | 1 - ArmPkg/Library/ArmHvcLib/Arm/ArmHvc.asm | 46 --- ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf | 4 - ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm | 174 ---------- ArmPkg/Library/ArmLib/Arm/ArmLibSupportV7.asm | 107 ------- .../ArmLib/Arm/ArmV7ArchTimerSupport.asm | 93 ------ ArmPkg/Library/ArmLib/Arm/ArmV7Support.asm | 292 ----------------- ArmPkg/Library/ArmLib/ArmBaseLib.inf | 5 - .../ArmMmuLib/Arm/ArmMmuLibV7Support.asm | 26 -- ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf | 1 - ArmPkg/Library/ArmSmcLib/Arm/ArmSmc.asm | 45 --- ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf | 4 - ArmPkg/Library/ArmSvcLib/Arm/ArmSvc.asm | 36 --- ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf | 1 - .../CompilerIntrinsicsLib/Arm/lasr.asm | 34 -- .../CompilerIntrinsicsLib/Arm/llsl.asm | 36 --- .../CompilerIntrinsicsLib/Arm/memmove.asm | 46 --- .../CompilerIntrinsicsLib/Arm/mullu.asm | 43 --- .../CompilerIntrinsicsLib/Arm/switch.asm | 22 -- .../CompilerIntrinsicsLib/Arm/uread.asm | 58 ---- .../CompilerIntrinsicsLib/Arm/uwrite.asm | 60 ---- .../CompilerIntrinsicsLib.inf | 15 - 27 files changed, 1552 deletions(-) delete mode 100644 ArmPkg/Drivers/ArmGic/GicV3/Arm/ArmGicV3.asm delete mode 100644 ArmPkg/Include/AsmMacroExport.inc delete mode 100644 ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm delete mode 100644 ArmPkg/Library/ArmHvcLib/Arm/ArmHvc.asm delete mode 100644 ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm delete mode 100644 ArmPkg/Library/ArmLib/Arm/ArmLibSupportV7.asm delete mode 100644 ArmPkg/Library/ArmLib/Arm/ArmV7ArchTimerSupport.asm delete mode 100644 ArmPkg/Library/ArmLib/Arm/ArmV7Support.asm delete mode 100644 ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm delete mode 100644 ArmPkg/Library/ArmSmcLib/Arm/ArmSmc.asm delete mode 100644 ArmPkg/Library/ArmSvcLib/Arm/ArmSvc.asm delete mode 100644 ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.asm delete mode 100644 ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm delete mode 100644 ArmPkg/Library/CompilerIntrinsicsLib/Arm/memmove.asm delete mode 100644 ArmPkg/Library/CompilerIntrinsicsLib/Arm/mullu.asm delete mode 100644 ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm delete mode 100644 ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm delete mode 100644 ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm diff --git a/ArmPkg/Drivers/ArmGic/ArmGicLib.inf b/ArmPkg/Drivers/ArmGic/ArmGicLib.inf index 5e23c732bf..addb8d3153 100644 --- a/ArmPkg/Drivers/ArmGic/ArmGicLib.inf +++ b/ArmPkg/Drivers/ArmGic/ArmGicLib.inf @@ -22,7 +22,6 @@ [Sources.ARM] GicV3/Arm/ArmGicV3.S | GCC - GicV3/Arm/ArmGicV3.asm | RVCT [Sources.AARCH64] GicV3/AArch64/ArmGicV3.S diff --git a/ArmPkg/Drivers/ArmGic/GicV3/Arm/ArmGicV3.asm b/ArmPkg/Drivers/ArmGic/GicV3/Arm/ArmGicV3.asm deleted file mode 100644 index bf79c1350c..0000000000 --- a/ArmPkg/Drivers/ArmGic/GicV3/Arm/ArmGicV3.asm +++ /dev/null @@ -1,82 +0,0 @@ -// -// Copyright (c) 2014, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -// - -// For the moment we assume this will run in SVC mode on ARMv7 - - - INCLUDE AsmMacroExport.inc - -//UINT32 -//EFIAPI -//ArmGicGetControlSystemRegisterEnable ( -// VOID -// ); - RVCT_ASM_EXPORT ArmGicV3GetControlSystemRegisterEnable - mrc p15, 0, r0, c12, c12, 5 // ICC_SRE - bx lr - -//VOID -//EFIAPI -//ArmGicSetControlSystemRegisterEnable ( -// IN UINT32 ControlSystemRegisterEnable -// ); - RVCT_ASM_EXPORT ArmGicV3SetControlSystemRegisterEnable - mcr p15, 0, r0, c12, c12, 5 // ICC_SRE - isb - bx lr - -//VOID -//ArmGicV3EnableInterruptInterface ( -// VOID -// ); - RVCT_ASM_EXPORT ArmGicV3EnableInterruptInterface - mov r0, #1 - mcr p15, 0, r0, c12, c12, 7 // ICC_IGRPEN1 - bx lr - -//VOID -//ArmGicV3DisableInterruptInterface ( -// VOID -// ); - RVCT_ASM_EXPORT ArmGicV3DisableInterruptInterface - mov r0, #0 - mcr p15, 0, r0, c12, c12, 7 // ICC_IGRPEN1 - bx lr - -//VOID -//ArmGicV3EndOfInterrupt ( -// IN UINTN InterruptId -// ); - RVCT_ASM_EXPORT ArmGicV3EndOfInterrupt - mcr p15, 0, r0, c12, c12, 1 //ICC_EOIR1 - bx lr - -//UINTN -//ArmGicV3AcknowledgeInterrupt ( -// VOID -// ); - RVCT_ASM_EXPORT ArmGicV3AcknowledgeInterrupt - mrc p15, 0, r0, c12, c12, 0 //ICC_IAR1 - bx lr - -//VOID -//ArmGicV3SetPriorityMask ( -// IN UINTN Priority -// ); - RVCT_ASM_EXPORT ArmGicV3SetPriorityMask - mcr p15, 0, r0, c4, c6, 0 //ICC_PMR - bx lr - -//VOID -//ArmGicV3SetBinaryPointer ( -// IN UINTN BinaryPoint -// ); - RVCT_ASM_EXPORT ArmGicV3SetBinaryPointer - mcr p15, 0, r0, c12, c12, 3 //ICC_BPR1 - bx lr - - END diff --git a/ArmPkg/Include/AsmMacroExport.inc b/ArmPkg/Include/AsmMacroExport.inc deleted file mode 100644 index 615feee541..0000000000 --- a/ArmPkg/Include/AsmMacroExport.inc +++ /dev/null @@ -1,23 +0,0 @@ -;%HEADER% -;/** @file -; Macros to centralize the EXPORT, AREA, and definition of an assembly -; function. The AREA prefix is required to put the function in its own -; section so that removal of unused functions in the final link is performed. -; This provides equivalent functionality to the compiler's --split-sections -; option. -; -; Copyright (c) 2015 HP Development Company, L.P. -; -; SPDX-License-Identifier: BSD-2-Clause-Patent -; -;**/ - - - MACRO - RVCT_ASM_EXPORT $func - EXPORT $func - AREA s_$func, CODE, READONLY -$func - MEND - - END diff --git a/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm b/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm deleted file mode 100644 index aa0229d2e8..0000000000 --- a/ArmPkg/Library/ArmExceptionLib/Arm/ExceptionSupport.asm +++ /dev/null @@ -1,296 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Use ARMv6 instruction to operate on a single stack -// -// Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.
-// Copyright (c) 2014, ARM Limited. All rights reserved.
-// Copyright (c) 2016 HP Development Company, L.P.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - -#include - -/* - -This is the stack constructed by the exception handler (low address to high address) - # R0 - IFAR is EFI_SYSTEM_CONTEXT for ARM - Reg Offset - === ====== - R0 0x00 # stmfd SP!,{R0-R12} - R1 0x04 - R2 0x08 - R3 0x0c - R4 0x10 - R5 0x14 - R6 0x18 - R7 0x1c - R8 0x20 - R9 0x24 - R10 0x28 - R11 0x2c - R12 0x30 - SP 0x34 # reserved via subtraction 0x20 (32) from SP - LR 0x38 - PC 0x3c - CPSR 0x40 - DFSR 0x44 - DFAR 0x48 - IFSR 0x4c - IFAR 0x50 - - LR 0x54 # SVC Link register (we need to restore it) - - LR 0x58 # pushed by srsfd - CPSR 0x5c - - */ - - - EXPORT ExceptionHandlersStart - EXPORT ExceptionHandlersEnd - EXPORT CommonExceptionEntry - EXPORT AsmCommonExceptionEntry - IMPORT CommonCExceptionHandler - - PRESERVE8 - AREA DxeExceptionHandlers, CODE, READONLY, CODEALIGN, ALIGN=5 - -// -// This code gets copied to the ARM vector table -// ExceptionHandlersStart - ExceptionHandlersEnd gets copied -// -ExceptionHandlersStart - -Reset - b ResetEntry - -UndefinedInstruction - b UndefinedInstructionEntry - -SoftwareInterrupt - b SoftwareInterruptEntry - -PrefetchAbort - b PrefetchAbortEntry - -DataAbort - b DataAbortEntry - -ReservedException - b ReservedExceptionEntry - -Irq - b IrqEntry - -Fiq - b FiqEntry - -ResetEntry - srsfd #0x13! ; Store return state on SVC stack - ; We are already in SVC mode - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - - mov R0,#0 ; ExceptionType - ldr R1,CommonExceptionEntry - bx R1 - -UndefinedInstructionEntry - sub LR, LR, #4 ; Only -2 for Thumb, adjust in CommonExceptionEntry - srsfd #0x13! ; Store return state on SVC stack - cps #0x13 ; Switch to SVC for common stack - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - - mov R0,#1 ; ExceptionType - ldr R1,CommonExceptionEntry; - bx R1 - -SoftwareInterruptEntry - srsfd #0x13! ; Store return state on SVC stack - ; We are already in SVC mode - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - - mov R0,#2 ; ExceptionType - ldr R1,CommonExceptionEntry - bx R1 - -PrefetchAbortEntry - sub LR,LR,#4 - srsfd #0x13! ; Store return state on SVC stack - cps #0x13 ; Switch to SVC for common stack - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - - mov R0,#3 ; ExceptionType - ldr R1,CommonExceptionEntry - bx R1 - -DataAbortEntry - sub LR,LR,#8 - srsfd #0x13! ; Store return state on SVC stack - cps #0x13 ; Switch to SVC for common stack - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - - mov R0,#4 ; ExceptionType - ldr R1,CommonExceptionEntry - bx R1 - -ReservedExceptionEntry - srsfd #0x13! ; Store return state on SVC stack - cps #0x13 ; Switch to SVC for common stack - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - - mov R0,#5 ; ExceptionType - ldr R1,CommonExceptionEntry - bx R1 - -IrqEntry - sub LR,LR,#4 - srsfd #0x13! ; Store return state on SVC stack - cps #0x13 ; Switch to SVC for common stack - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - - mov R0,#6 ; ExceptionType - ldr R1,CommonExceptionEntry - bx R1 - -FiqEntry - sub LR,LR,#4 - srsfd #0x13! ; Store return state on SVC stack - cps #0x13 ; Switch to SVC for common stack - stmfd SP!,{LR} ; Store the link register for the current mode - sub SP,SP,#0x20 ; Save space for SP, LR, PC, IFAR - CPSR - stmfd SP!,{R0-R12} ; Store the register state - ; Since we have already switch to SVC R8_fiq - R12_fiq - ; never get used or saved - mov R0,#7 ; ExceptionType - ldr R1,CommonExceptionEntry - bx R1 - -// -// This gets patched by the C code that patches in the vector table -// -CommonExceptionEntry - dcd AsmCommonExceptionEntry - -ExceptionHandlersEnd - -// -// This code runs from CpuDxe driver loaded address. It is patched into -// CommonExceptionEntry. -// -AsmCommonExceptionEntry - mrc p15, 0, R1, c6, c0, 2 ; Read IFAR - str R1, [SP, #0x50] ; Store it in EFI_SYSTEM_CONTEXT_ARM.IFAR - - mrc p15, 0, R1, c5, c0, 1 ; Read IFSR - str R1, [SP, #0x4c] ; Store it in EFI_SYSTEM_CONTEXT_ARM.IFSR - - mrc p15, 0, R1, c6, c0, 0 ; Read DFAR - str R1, [SP, #0x48] ; Store it in EFI_SYSTEM_CONTEXT_ARM.DFAR - - mrc p15, 0, R1, c5, c0, 0 ; Read DFSR - str R1, [SP, #0x44] ; Store it in EFI_SYSTEM_CONTEXT_ARM.DFSR - - ldr R1, [SP, #0x5c] ; srsfd saved pre-exception CPSR on the stack - str R1, [SP, #0x40] ; Store it in EFI_SYSTEM_CONTEXT_ARM.CPSR - - add R2, SP, #0x38 ; Make R2 point to EFI_SYSTEM_CONTEXT_ARM.LR - and R3, R1, #0x1f ; Check CPSR to see if User or System Mode - cmp R3, #0x1f ; if ((CPSR == 0x10) || (CPSR == 0x1f)) - cmpne R3, #0x10 ; - stmeqed R2, {lr}^ ; save unbanked lr - ; else - stmneed R2, {lr} ; save SVC lr - - - ldr R5, [SP, #0x58] ; PC is the LR pushed by srsfd - ; Check to see if we have to adjust for Thumb entry - sub r4, r0, #1 ; if (ExceptionType == 1 || ExceptionType == 2)) { - cmp r4, #1 ; // UND & SVC have different LR adjust for Thumb - bhi NoAdjustNeeded - - tst r1, #0x20 ; if ((CPSR & T)) == T) { // Thumb Mode on entry - addne R5, R5, #2 ; PC += 2; - strne R5,[SP,#0x58] ; Update LR value pushed by srsfd - -NoAdjustNeeded - - str R5, [SP, #0x3c] ; Store it in EFI_SYSTEM_CONTEXT_ARM.PC - - add R1, SP, #0x60 ; We pushed 0x60 bytes on the stack - str R1, [SP, #0x34] ; Store it in EFI_SYSTEM_CONTEXT_ARM.SP - - ; R0 is ExceptionType - mov R1,SP ; R1 is SystemContext - -#if (FixedPcdGet32(PcdVFPEnabled)) - vpush {d0-d15} ; save vstm registers in case they are used in optimizations -#endif - - mov R4, SP ; Save current SP - tst R4, #4 - subne SP, SP, #4 ; Adjust SP if not 8-byte aligned - -/* -VOID -EFIAPI -CommonCExceptionHandler ( - IN EFI_EXCEPTION_TYPE ExceptionType, R0 - IN OUT EFI_SYSTEM_CONTEXT SystemContext R1 - ) - -*/ - blx CommonCExceptionHandler ; Call exception handler - - mov SP, R4 ; Restore SP - -#if (FixedPcdGet32(PcdVFPEnabled)) - vpop {d0-d15} -#endif - - ldr R1, [SP, #0x4c] ; Restore EFI_SYSTEM_CONTEXT_ARM.IFSR - mcr p15, 0, R1, c5, c0, 1 ; Write IFSR - - ldr R1, [SP, #0x44] ; Restore EFI_SYSTEM_CONTEXT_ARM.DFSR - mcr p15, 0, R1, c5, c0, 0 ; Write DFSR - - ldr R1,[SP,#0x3c] ; EFI_SYSTEM_CONTEXT_ARM.PC - str R1,[SP,#0x58] ; Store it back to srsfd stack slot so it can be restored - - ldr R1,[SP,#0x40] ; EFI_SYSTEM_CONTEXT_ARM.CPSR - str R1,[SP,#0x5c] ; Store it back to srsfd stack slot so it can be restored - - add R3, SP, #0x54 ; Make R3 point to SVC LR saved on entry - add R2, SP, #0x38 ; Make R2 point to EFI_SYSTEM_CONTEXT_ARM.LR - and R1, R1, #0x1f ; Check to see if User or System Mode - cmp R1, #0x1f ; if ((CPSR == 0x10) || (CPSR == 0x1f)) - cmpne R1, #0x10 ; - ldmeqed R2, {lr}^ ; restore unbanked lr - ; else - ldmneed R3, {lr} ; restore SVC lr, via ldmfd SP!, {LR} - - ldmfd SP!,{R0-R12} ; Restore general purpose registers - ; Exception handler can not change SP - - add SP,SP,#0x20 ; Clear out the remaining stack space - ldmfd SP!,{LR} ; restore the link register for this context - rfefd SP! ; return from exception via srsfd stack slot - - END - - diff --git a/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.inf b/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.inf index fdb9c24d21..68ed1c5c59 100644 --- a/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.inf +++ b/ArmPkg/Library/ArmExceptionLib/ArmExceptionLib.inf @@ -33,7 +33,6 @@ [Sources.Arm] Arm/ArmException.c - Arm/ExceptionSupport.asm | RVCT Arm/ExceptionSupport.S | GCC [Sources.AARCH64] diff --git a/ArmPkg/Library/ArmExceptionLib/ArmRelocateExceptionLib.inf b/ArmPkg/Library/ArmExceptionLib/ArmRelocateExceptionLib.inf index ef1a43a27c..ca70daa284 100644 --- a/ArmPkg/Library/ArmExceptionLib/ArmRelocateExceptionLib.inf +++ b/ArmPkg/Library/ArmExceptionLib/ArmRelocateExceptionLib.inf @@ -28,7 +28,6 @@ [Sources.Arm] Arm/ArmException.c - Arm/ExceptionSupport.asm | RVCT Arm/ExceptionSupport.S | GCC [Sources.AARCH64] diff --git a/ArmPkg/Library/ArmHvcLib/Arm/ArmHvc.asm b/ArmPkg/Library/ArmHvcLib/Arm/ArmHvc.asm deleted file mode 100644 index 01e4d3f9cf..0000000000 --- a/ArmPkg/Library/ArmHvcLib/Arm/ArmHvc.asm +++ /dev/null @@ -1,46 +0,0 @@ -// -// Copyright (c) 2012-2014, ARM Limited. All rights reserved. -// Copyright (c) 2014, Linaro Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -// - - - INCLUDE AsmMacroExport.inc - - RVCT_ASM_EXPORT ArmCallHvc - push {r4-r8} - // r0 will be popped just after the HVC call - push {r0} - - // Load the HVC arguments values into the appropriate registers - ldr r7, [r0, #28] - ldr r6, [r0, #24] - ldr r5, [r0, #20] - ldr r4, [r0, #16] - ldr r3, [r0, #12] - ldr r2, [r0, #8] - ldr r1, [r0, #4] - ldr r0, [r0, #0] - - hvc #0 - - // Pop the ARM_HVC_ARGS structure address from the stack into r8 - pop {r8} - - // Load the HVC returned values into the appropriate registers - // A HVC call can return up to 4 values - we do not need to store back r4-r7. - str r3, [r8, #12] - str r2, [r8, #8] - str r1, [r8, #4] - str r0, [r8, #0] - - mov r0, r8 - - // Restore the registers r4-r8 - pop {r4-r8} - - bx lr - - END diff --git a/ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf b/ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf index 69f68f63d7..c5f2a016c0 100644 --- a/ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf +++ b/ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf @@ -15,7 +15,6 @@ LIBRARY_CLASS = ArmHvcLib [Sources.ARM] - Arm/ArmHvc.asm | RVCT Arm/ArmHvc.S | GCC [Sources.AARCH64] @@ -24,6 +23,3 @@ [Packages] MdePkg/MdePkg.dec ArmPkg/ArmPkg.dec - -[BuildOptions] - RVCT:*_*_ARM_PLATFORM_FLAGS == --cpu Cortex-A15 diff --git a/ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm b/ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm deleted file mode 100644 index 1265dddea6..0000000000 --- a/ArmPkg/Library/ArmLib/Arm/ArmLibSupport.asm +++ /dev/null @@ -1,174 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
-// Copyright (c) 2011 - 2016, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - INCLUDE AsmMacroIoLib.inc - - - INCLUDE AsmMacroExport.inc - - RVCT_ASM_EXPORT ArmReadMidr - mrc p15,0,R0,c0,c0,0 - bx LR - - RVCT_ASM_EXPORT ArmCacheInfo - mrc p15,0,R0,c0,c0,1 - bx LR - - RVCT_ASM_EXPORT ArmGetInterruptState - mrs R0,CPSR - tst R0,#0x80 // Check if IRQ is enabled. - moveq R0,#1 - movne R0,#0 - bx LR - - RVCT_ASM_EXPORT ArmGetFiqState - mrs R0,CPSR - tst R0,#0x40 // Check if FIQ is enabled. - moveq R0,#1 - movne R0,#0 - bx LR - - RVCT_ASM_EXPORT ArmSetDomainAccessControl - mcr p15,0,r0,c3,c0,0 - bx lr - - RVCT_ASM_EXPORT CPSRMaskInsert - stmfd sp!, {r4-r12, lr} // save all the banked registers - mov r3, sp // copy the stack pointer into a non-banked register - mrs r2, cpsr // read the cpsr - bic r2, r2, r0 // clear mask in the cpsr - and r1, r1, r0 // clear bits outside the mask in the input - orr r2, r2, r1 // set field - msr cpsr_cxsf, r2 // write back cpsr (may have caused a mode switch) - isb - mov sp, r3 // restore stack pointer - ldmfd sp!, {r4-r12, lr} // restore registers - bx lr // return (hopefully thumb-safe!) // return (hopefully thumb-safe!) - - RVCT_ASM_EXPORT CPSRRead - mrs r0, cpsr - bx lr - - RVCT_ASM_EXPORT ArmReadCpacr - mrc p15, 0, r0, c1, c0, 2 - bx lr - - RVCT_ASM_EXPORT ArmWriteCpacr - mcr p15, 0, r0, c1, c0, 2 - isb - bx lr - - RVCT_ASM_EXPORT ArmWriteAuxCr - mcr p15, 0, r0, c1, c0, 1 - bx lr - - RVCT_ASM_EXPORT ArmReadAuxCr - mrc p15, 0, r0, c1, c0, 1 - bx lr - - RVCT_ASM_EXPORT ArmSetTTBR0 - mcr p15,0,r0,c2,c0,0 - isb - bx lr - - RVCT_ASM_EXPORT ArmSetTTBCR - mcr p15, 0, r0, c2, c0, 2 - isb - bx lr - - RVCT_ASM_EXPORT ArmGetTTBR0BaseAddress - mrc p15,0,r0,c2,c0,0 - MOV32 r1, 0xFFFFC000 - and r0, r0, r1 - isb - bx lr - -// -//VOID -//ArmUpdateTranslationTableEntry ( -// IN VOID *TranslationTableEntry // R0 -// IN VOID *MVA // R1 -// ); - RVCT_ASM_EXPORT ArmUpdateTranslationTableEntry - mcr p15,0,R0,c7,c14,1 // DCCIMVAC Clean data cache by MVA - dsb - mcr p15,0,R1,c8,c7,1 // TLBIMVA TLB Invalidate MVA - mcr p15,0,R9,c7,c5,6 // BPIALL Invalidate Branch predictor array. R9 == NoOp - dsb - isb - bx lr - - RVCT_ASM_EXPORT ArmInvalidateTlb - mov r0,#0 - mcr p15,0,r0,c8,c7,0 - mcr p15,0,R9,c7,c5,6 // BPIALL Invalidate Branch predictor array. R9 == NoOp - dsb - isb - bx lr - - RVCT_ASM_EXPORT ArmReadScr - mrc p15, 0, r0, c1, c1, 0 - bx lr - - RVCT_ASM_EXPORT ArmWriteScr - mcr p15, 0, r0, c1, c1, 0 - isb - bx lr - - RVCT_ASM_EXPORT ArmReadHVBar - mrc p15, 4, r0, c12, c0, 0 - bx lr - - RVCT_ASM_EXPORT ArmWriteHVBar - mcr p15, 4, r0, c12, c0, 0 - bx lr - - RVCT_ASM_EXPORT ArmReadMVBar - mrc p15, 0, r0, c12, c0, 1 - bx lr - - RVCT_ASM_EXPORT ArmWriteMVBar - mcr p15, 0, r0, c12, c0, 1 - bx lr - - RVCT_ASM_EXPORT ArmCallWFE - wfe - bx lr - - RVCT_ASM_EXPORT ArmCallSEV - sev - bx lr - - RVCT_ASM_EXPORT ArmReadSctlr - mrc p15, 0, r0, c1, c0, 0 // Read SCTLR into R0 (Read control register configuration data) - bx lr - - RVCT_ASM_EXPORT ArmWriteSctlr - mcr p15, 0, r0, c1, c0, 0 - bx lr - - RVCT_ASM_EXPORT ArmReadCpuActlr - mrc p15, 0, r0, c1, c0, 1 - bx lr - - RVCT_ASM_EXPORT ArmWriteCpuActlr - mcr p15, 0, r0, c1, c0, 1 - dsb - isb - bx lr - - RVCT_ASM_EXPORT ArmGetPhysicalAddressBits - mrc p15, 0, r0, c0, c1, 4 ; MMFR0 - and r0, r0, #0xf ; VMSA [3:0] - cmp r0, #5 ; >= 5 implies LPAE support - movlt r0, #32 ; 32 bits if no LPAE - movge r0, #40 ; 40 bits if LPAE - bx lr - - END diff --git a/ArmPkg/Library/ArmLib/Arm/ArmLibSupportV7.asm b/ArmPkg/Library/ArmLib/Arm/ArmLibSupportV7.asm deleted file mode 100644 index e14f156625..0000000000 --- a/ArmPkg/Library/ArmLib/Arm/ArmLibSupportV7.asm +++ /dev/null @@ -1,107 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.
-// Copyright (c) 2011-2013, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - INCLUDE AsmMacroExport.inc - - -//------------------------------------------------------------------------------ - - RVCT_ASM_EXPORT ArmIsMpCore - mrc p15,0,R0,c0,c0,5 - // Get Multiprocessing extension (bit31) & U bit (bit30) - and R0, R0, #0xC0000000 - // if (bit31 == 1) && (bit30 == 0) then the processor is part of a multiprocessor system - cmp R0, #0x80000000 - moveq R0, #1 - movne R0, #0 - bx LR - - RVCT_ASM_EXPORT ArmEnableAsynchronousAbort - cpsie a - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableAsynchronousAbort - cpsid a - isb - bx LR - - RVCT_ASM_EXPORT ArmEnableIrq - cpsie i - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableIrq - cpsid i - isb - bx LR - - RVCT_ASM_EXPORT ArmEnableFiq - cpsie f - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableFiq - cpsid f - isb - bx LR - - RVCT_ASM_EXPORT ArmEnableInterrupts - cpsie if - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableInterrupts - cpsid if - isb - bx LR - - RVCT_ASM_EXPORT ArmReadIdMmfr4 - mrc p15,0,r0,c0,c2,6 ; Read ID_MMFR4 Register - bx LR - -// UINTN -// ReadCCSIDR ( -// IN UINT32 CSSELR -// ) - RVCT_ASM_EXPORT ReadCCSIDR - mcr p15,2,r0,c0,c0,0 ; Write Cache Size Selection Register (CSSELR) - isb - mrc p15,1,r0,c0,c0,0 ; Read current CP15 Cache Size ID Register (CCSIDR) - bx lr - -// UINT32 -// ReadCCSIDR2 ( -// IN UINT32 CSSELR -// ) - RVCT_ASM_EXPORT ReadCCSIDR2 - mcr p15,2,r0,c0,c0,0 ; Write Cache Size Selection Register (CSSELR) - isb - mrc p15,1,r0,c0,c0,2 ; Read current CP15 Cache Size ID Register (CCSIDR2) - bx lr - -// UINT32 -// ReadCLIDR ( -// IN UINT32 CSSELR -// ) - RVCT_ASM_EXPORT ReadCLIDR - mrc p15,1,r0,c0,c0,1 ; Read CP15 Cache Level ID Register - bx lr - - RVCT_ASM_EXPORT ArmReadNsacr - mrc p15, 0, r0, c1, c1, 2 - bx lr - - RVCT_ASM_EXPORT ArmWriteNsacr - mcr p15, 0, r0, c1, c1, 2 - bx lr - - END diff --git a/ArmPkg/Library/ArmLib/Arm/ArmV7ArchTimerSupport.asm b/ArmPkg/Library/ArmLib/Arm/ArmV7ArchTimerSupport.asm deleted file mode 100644 index 6896c1be2b..0000000000 --- a/ArmPkg/Library/ArmLib/Arm/ArmV7ArchTimerSupport.asm +++ /dev/null @@ -1,93 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2011, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - INCLUDE AsmMacroExport.inc - PRESERVE8 - - RVCT_ASM_EXPORT ArmReadCntFrq - mrc p15, 0, r0, c14, c0, 0 ; Read CNTFRQ - bx lr - - RVCT_ASM_EXPORT ArmWriteCntFrq - mcr p15, 0, r0, c14, c0, 0 ; Write to CNTFRQ - bx lr - - RVCT_ASM_EXPORT ArmReadCntPct - mrrc p15, 0, r0, r1, c14 ; Read CNTPT (Physical counter register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntkCtl - mrc p15, 0, r0, c14, c1, 0 ; Read CNTK_CTL (Timer PL1 Control Register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntkCtl - mcr p15, 0, r0, c14, c1, 0 ; Write to CNTK_CTL (Timer PL1 Control Register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntpTval - mrc p15, 0, r0, c14, c2, 0 ; Read CNTP_TVAL (PL1 physical timer value register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntpTval - mcr p15, 0, r0, c14, c2, 0 ; Write to CNTP_TVAL (PL1 physical timer value register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntpCtl - mrc p15, 0, r0, c14, c2, 1 ; Read CNTP_CTL (PL1 Physical Timer Control Register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntpCtl - mcr p15, 0, r0, c14, c2, 1 ; Write to CNTP_CTL (PL1 Physical Timer Control Register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntvTval - mrc p15, 0, r0, c14, c3, 0 ; Read CNTV_TVAL (Virtual Timer Value register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntvTval - mcr p15, 0, r0, c14, c3, 0 ; Write to CNTV_TVAL (Virtual Timer Value register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntvCtl - mrc p15, 0, r0, c14, c3, 1 ; Read CNTV_CTL (Virtual Timer Control Register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntvCtl - mcr p15, 0, r0, c14, c3, 1 ; Write to CNTV_CTL (Virtual Timer Control Register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntvCt - mrrc p15, 1, r0, r1, c14 ; Read CNTVCT (Virtual Count Register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntpCval - mrrc p15, 2, r0, r1, c14 ; Read CNTP_CTVAL (Physical Timer Compare Value Register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntpCval - mcrr p15, 2, r0, r1, c14 ; Write to CNTP_CTVAL (Physical Timer Compare Value Register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntvCval - mrrc p15, 3, r0, r1, c14 ; Read CNTV_CTVAL (Virtual Timer Compare Value Register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntvCval - mcrr p15, 3, r0, r1, c14 ; write to CNTV_CTVAL (Virtual Timer Compare Value Register) - bx lr - - RVCT_ASM_EXPORT ArmReadCntvOff - mrrc p15, 4, r0, r1, c14 ; Read CNTVOFF (virtual Offset register) - bx lr - - RVCT_ASM_EXPORT ArmWriteCntvOff - mcrr p15, 4, r0, r1, c14 ; Write to CNTVOFF (Virtual Offset register) - bx lr - - END diff --git a/ArmPkg/Library/ArmLib/Arm/ArmV7Support.asm b/ArmPkg/Library/ArmLib/Arm/ArmV7Support.asm deleted file mode 100644 index 3146c2b521..0000000000 --- a/ArmPkg/Library/ArmLib/Arm/ArmV7Support.asm +++ /dev/null @@ -1,292 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.
-// Copyright (c) 2011 - 2014, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - INCLUDE AsmMacroExport.inc - PRESERVE8 - -DC_ON EQU ( 0x1:SHL:2 ) -IC_ON EQU ( 0x1:SHL:12 ) -CTRL_M_BIT EQU (1 << 0) -CTRL_C_BIT EQU (1 << 2) -CTRL_B_BIT EQU (1 << 7) -CTRL_I_BIT EQU (1 << 12) - - - RVCT_ASM_EXPORT ArmInvalidateDataCacheEntryByMVA - mcr p15, 0, r0, c7, c6, 1 ; invalidate single data cache line - bx lr - - RVCT_ASM_EXPORT ArmCleanDataCacheEntryByMVA - mcr p15, 0, r0, c7, c10, 1 ; clean single data cache line - bx lr - - - RVCT_ASM_EXPORT ArmInvalidateInstructionCacheEntryToPoUByMVA - mcr p15, 0, r0, c7, c5, 1 ; invalidate single instruction cache line to PoU - mcr p15, 0, r0, c7, c5, 7 ; invalidate branch predictor - bx lr - - - RVCT_ASM_EXPORT ArmCleanDataCacheEntryToPoUByMVA - mcr p15, 0, r0, c7, c11, 1 ; clean single data cache line to PoU - bx lr - - - RVCT_ASM_EXPORT ArmCleanInvalidateDataCacheEntryByMVA - mcr p15, 0, r0, c7, c14, 1 ; clean and invalidate single data cache line - bx lr - - - RVCT_ASM_EXPORT ArmInvalidateDataCacheEntryBySetWay - mcr p15, 0, r0, c7, c6, 2 ; Invalidate this line - bx lr - - - RVCT_ASM_EXPORT ArmCleanInvalidateDataCacheEntryBySetWay - mcr p15, 0, r0, c7, c14, 2 ; Clean and Invalidate this line - bx lr - - - RVCT_ASM_EXPORT ArmCleanDataCacheEntryBySetWay - mcr p15, 0, r0, c7, c10, 2 ; Clean this line - bx lr - - - RVCT_ASM_EXPORT ArmInvalidateInstructionCache - mcr p15,0,R0,c7,c5,0 ;Invalidate entire instruction cache - isb - bx LR - - RVCT_ASM_EXPORT ArmEnableMmu - mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data) - orr R0,R0,#1 ; Set SCTLR.M bit : Enable MMU - mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data) - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableMmu - mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data) - bic R0,R0,#1 ; Clear SCTLR.M bit : Disable MMU - mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data) - - mcr p15,0,R0,c8,c7,0 ; TLBIALL : Invalidate unified TLB - mcr p15,0,R0,c7,c5,6 ; BPIALL : Invalidate entire branch predictor array - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableCachesAndMmu - mrc p15, 0, r0, c1, c0, 0 ; Get control register - bic r0, r0, #CTRL_M_BIT ; Disable MMU - bic r0, r0, #CTRL_C_BIT ; Disable D Cache - bic r0, r0, #CTRL_I_BIT ; Disable I Cache - mcr p15, 0, r0, c1, c0, 0 ; Write control register - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmMmuEnabled - mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data) - and R0,R0,#1 - bx LR - - RVCT_ASM_EXPORT ArmEnableDataCache - ldr R1,=DC_ON ; Specify SCTLR.C bit : (Data) Cache enable bit - mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data) - orr R0,R0,R1 ; Set SCTLR.C bit : Data and unified caches enabled - mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data) - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableDataCache - ldr R1,=DC_ON ; Specify SCTLR.C bit : (Data) Cache enable bit - mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data) - bic R0,R0,R1 ; Clear SCTLR.C bit : Data and unified caches disabled - mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data) - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmEnableInstructionCache - ldr R1,=IC_ON ; Specify SCTLR.I bit : Instruction cache enable bit - mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data) - orr R0,R0,R1 ; Set SCTLR.I bit : Instruction caches enabled - mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data) - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableInstructionCache - ldr R1,=IC_ON ; Specify SCTLR.I bit : Instruction cache enable bit - mrc p15,0,R0,c1,c0,0 ; Read SCTLR into R0 (Read control register configuration data) - BIC R0,R0,R1 ; Clear SCTLR.I bit : Instruction caches disabled - mcr p15,0,R0,c1,c0,0 ; Write R0 into SCTLR (Write control register configuration data) - isb - bx LR - - RVCT_ASM_EXPORT ArmEnableSWPInstruction - mrc p15, 0, r0, c1, c0, 0 - orr r0, r0, #0x00000400 - mcr p15, 0, r0, c1, c0, 0 - isb - bx LR - - RVCT_ASM_EXPORT ArmEnableBranchPrediction - mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data) - orr r0, r0, #0x00000800 ; - mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data) - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmDisableBranchPrediction - mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data) - bic r0, r0, #0x00000800 ; - mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data) - dsb - isb - bx LR - - RVCT_ASM_EXPORT ArmSetLowVectors - mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data) - bic r0, r0, #0x00002000 ; clear V bit - mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data) - isb - bx LR - - RVCT_ASM_EXPORT ArmSetHighVectors - mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data) - orr r0, r0, #0x00002000 ; Set V bit - mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data) - isb - bx LR - - RVCT_ASM_EXPORT ArmV7AllDataCachesOperation - stmfd SP!,{r4-r12, LR} - mov R1, R0 ; Save Function call in R1 - mrc p15, 1, R6, c0, c0, 1 ; Read CLIDR - ands R3, R6, #&7000000 ; Mask out all but Level of Coherency (LoC) - mov R3, R3, LSR #23 ; Cache level value (naturally aligned) - beq Finished - mov R10, #0 - -Loop1 - add R2, R10, R10, LSR #1 ; Work out 3xcachelevel - mov R12, R6, LSR R2 ; bottom 3 bits are the Cache type for this level - and R12, R12, #7 ; get those 3 bits alone - cmp R12, #2 - blt Skip ; no cache or only instruction cache at this level - mcr p15, 2, R10, c0, c0, 0 ; write the Cache Size selection register (CSSELR) // OR in 1 for Instruction - isb ; isb to sync the change to the CacheSizeID reg - mrc p15, 1, R12, c0, c0, 0 ; reads current Cache Size ID register (CCSIDR) - and R2, R12, #&7 ; extract the line length field - add R2, R2, #4 ; add 4 for the line length offset (log2 16 bytes) - ldr R4, =0x3FF - ands R4, R4, R12, LSR #3 ; R4 is the max number on the way size (right aligned) - clz R5, R4 ; R5 is the bit position of the way size increment - ldr R7, =0x00007FFF - ands R7, R7, R12, LSR #13 ; R7 is the max number of the index size (right aligned) - -Loop2 - mov R9, R4 ; R9 working copy of the max way size (right aligned) - -Loop3 - orr R0, R10, R9, LSL R5 ; factor in the way number and cache number into R11 - orr R0, R0, R7, LSL R2 ; factor in the index number - - blx R1 - - subs R9, R9, #1 ; decrement the way number - bge Loop3 - subs R7, R7, #1 ; decrement the index - bge Loop2 -Skip - add R10, R10, #2 ; increment the cache number - cmp R3, R10 - bgt Loop1 - -Finished - dsb - ldmfd SP!, {r4-r12, lr} - bx LR - - RVCT_ASM_EXPORT ArmDataMemoryBarrier - dmb - bx LR - - RVCT_ASM_EXPORT ArmDataSynchronizationBarrier - dsb - bx LR - - RVCT_ASM_EXPORT ArmInstructionSynchronizationBarrier - isb - bx LR - - RVCT_ASM_EXPORT ArmReadVBar - // Set the Address of the Vector Table in the VBAR register - mrc p15, 0, r0, c12, c0, 0 - bx lr - - RVCT_ASM_EXPORT ArmWriteVBar - // Set the Address of the Vector Table in the VBAR register - mcr p15, 0, r0, c12, c0, 0 - // Ensure the SCTLR.V bit is clear - mrc p15, 0, r0, c1, c0, 0 ; Read SCTLR into R0 (Read control register configuration data) - bic r0, r0, #0x00002000 ; clear V bit - mcr p15, 0, r0, c1, c0, 0 ; Write R0 into SCTLR (Write control register configuration data) - isb - bx lr - - RVCT_ASM_EXPORT ArmEnableVFP - // Read CPACR (Coprocessor Access Control Register) - mrc p15, 0, r0, c1, c0, 2 - // Enable VPF access (Full Access to CP10, CP11) (V* instructions) - orr r0, r0, #0x00f00000 - // Write back CPACR (Coprocessor Access Control Register) - mcr p15, 0, r0, c1, c0, 2 - isb - // Set EN bit in FPEXC. The Advanced SIMD and VFP extensions are enabled and operate normally. - mov r0, #0x40000000 - mcr p10,#0x7,r0,c8,c0,#0 - bx lr - - RVCT_ASM_EXPORT ArmCallWFI - wfi - bx lr - -//Note: Return 0 in Uniprocessor implementation - RVCT_ASM_EXPORT ArmReadCbar - mrc p15, 4, r0, c15, c0, 0 //Read Configuration Base Address Register - bx lr - - RVCT_ASM_EXPORT ArmReadMpidr - mrc p15, 0, r0, c0, c0, 5 ; read MPIDR - bx lr - - RVCT_ASM_EXPORT ArmReadTpidrurw - mrc p15, 0, r0, c13, c0, 2 ; read TPIDRURW - bx lr - - RVCT_ASM_EXPORT ArmWriteTpidrurw - mcr p15, 0, r0, c13, c0, 2 ; write TPIDRURW - bx lr - - RVCT_ASM_EXPORT ArmIsArchTimerImplemented - mrc p15, 0, r0, c0, c1, 1 ; Read ID_PFR1 - and r0, r0, #0x000F0000 - bx lr - - RVCT_ASM_EXPORT ArmReadIdPfr1 - mrc p15, 0, r0, c0, c1, 1 ; Read ID_PFR1 Register - bx lr - - END diff --git a/ArmPkg/Library/ArmLib/ArmBaseLib.inf b/ArmPkg/Library/ArmLib/ArmBaseLib.inf index f61c71b673..e37d85bee4 100644 --- a/ArmPkg/Library/ArmLib/ArmBaseLib.inf +++ b/ArmPkg/Library/ArmLib/ArmBaseLib.inf @@ -30,11 +30,6 @@ Arm/ArmV7Support.S | GCC Arm/ArmV7ArchTimerSupport.S | GCC - Arm/ArmLibSupport.asm | RVCT - Arm/ArmLibSupportV7.asm | RVCT - Arm/ArmV7Support.asm | RVCT - Arm/ArmV7ArchTimerSupport.asm | RVCT - [Sources.AARCH64] AArch64/AArch64Lib.h AArch64/AArch64Lib.c diff --git a/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm b/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm deleted file mode 100644 index a65e95db57..0000000000 --- a/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm +++ /dev/null @@ -1,26 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2016, Linaro Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - INCLUDE AsmMacroExport.inc - - -//------------------------------------------------------------------------------ - - RVCT_ASM_EXPORT ArmHasMpExtensions - mrc p15,0,R0,c0,c0,5 - // Get Multiprocessing extension (bit31) - lsr R0, R0, #31 - bx LR - - RVCT_ASM_EXPORT ArmReadIdMmfr0 - mrc p15, 0, r0, c0, c1, 4 ; Read ID_MMFR0 Register - bx lr - - END diff --git a/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf b/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf index 2a7e714795..3d78e7dabf 100644 --- a/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf +++ b/ArmPkg/Library/ArmMmuLib/ArmMmuBaseLib.inf @@ -27,7 +27,6 @@ Arm/ArmMmuLibCore.c Arm/ArmMmuLibUpdate.c Arm/ArmMmuLibV7Support.S |GCC - Arm/ArmMmuLibV7Support.asm |RVCT [Packages] ArmPkg/ArmPkg.dec diff --git a/ArmPkg/Library/ArmSmcLib/Arm/ArmSmc.asm b/ArmPkg/Library/ArmSmcLib/Arm/ArmSmc.asm deleted file mode 100644 index d14573c9cc..0000000000 --- a/ArmPkg/Library/ArmSmcLib/Arm/ArmSmc.asm +++ /dev/null @@ -1,45 +0,0 @@ -// -// Copyright (c) 2012-2014, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -// - - - INCLUDE AsmMacroExport.inc - - RVCT_ASM_EXPORT ArmCallSmc - push {r4-r8} - // r0 will be popped just after the SMC call - push {r0} - - // Load the SMC arguments values into the appropriate registers - ldr r7, [r0, #28] - ldr r6, [r0, #24] - ldr r5, [r0, #20] - ldr r4, [r0, #16] - ldr r3, [r0, #12] - ldr r2, [r0, #8] - ldr r1, [r0, #4] - ldr r0, [r0, #0] - - smc #0 - - // Pop the ARM_SMC_ARGS structure address from the stack into r8 - pop {r8} - - // Load the SMC returned values into the appropriate registers - // A SMC call can return up to 4 values - we do not need to store back r4-r7. - str r3, [r8, #12] - str r2, [r8, #8] - str r1, [r8, #4] - str r0, [r8, #0] - - mov r0, r8 - - // Restore the registers r4-r8 - pop {r4-r8} - - bx lr - - END diff --git a/ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf b/ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf index a89f9203fb..6ce0ea4caf 100644 --- a/ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf +++ b/ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf @@ -14,7 +14,6 @@ LIBRARY_CLASS = ArmSmcLib [Sources.ARM] - Arm/ArmSmc.asm | RVCT Arm/ArmSmc.S | GCC [Sources.AARCH64] @@ -26,6 +25,3 @@ [Packages] MdePkg/MdePkg.dec ArmPkg/ArmPkg.dec - -[BuildOptions] - RVCT:*_*_ARM_PLATFORM_FLAGS == --cpu 7-A.security diff --git a/ArmPkg/Library/ArmSvcLib/Arm/ArmSvc.asm b/ArmPkg/Library/ArmSvcLib/Arm/ArmSvc.asm deleted file mode 100644 index d1751488b2..0000000000 --- a/ArmPkg/Library/ArmSvcLib/Arm/ArmSvc.asm +++ /dev/null @@ -1,36 +0,0 @@ -// -// Copyright (c) 2016 - 2020, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -// - - - INCLUDE AsmMacroExport.inc - - RVCT_ASM_EXPORT ArmCallSvc - // r0 will be popped just after the SVC call - push {r0, r4-r8} - - // Load the SVC arguments values into the appropriate registers - ldm r0, {r0-r7} - - svc #0 - // Prevent speculative execution beyond svc instruction - dsb nsh - isb - - // Load the ARM_SVC_ARGS structure address from the stack into r8 - ldr r8, [sp] - - // Load the SVC returned values into the appropriate registers - // A SVC call can return up to 4 values - we do not need to store back r4-r7. - stm r8, {r0-r3} - - mov r0, r8 - - // Restore the registers r4-r8 - pop {r1, r4-r8} - bx lr - - END diff --git a/ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf b/ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf index 744a29fbf7..ecfbc5d64a 100644 --- a/ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf +++ b/ArmPkg/Library/ArmSvcLib/ArmSvcLib.inf @@ -14,7 +14,6 @@ LIBRARY_CLASS = ArmSvcLib [Sources.ARM] - Arm/ArmSvc.asm | RVCT Arm/ArmSvc.S | GCC [Sources.AARCH64] diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.asm deleted file mode 100644 index c388d7e27b..0000000000 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.asm +++ /dev/null @@ -1,34 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - INCLUDE AsmMacroExport.inc - -; -;UINT32 -;EFIAPI -;__aeabi_lasr ( -; IN UINT32 Dividen -; IN UINT32 Divisor -; ); -; - RVCT_ASM_EXPORT __aeabi_lasr - SUBS r3,r2,#0x20 - BPL {pc} + 0x18 ; 0x1c - RSB r3,r2,#0x20 - LSR r0,r0,r2 - ORR r0,r0,r1,LSL r3 - ASR r1,r1,r2 - BX lr - ASR r0,r1,r3 - ASR r1,r1,#31 - BX lr - - END - diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm deleted file mode 100644 index d8ff6cafd3..0000000000 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm +++ /dev/null @@ -1,36 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - INCLUDE AsmMacroExport.inc - -; -;VOID -;EFIAPI -;__aeabi_llsl ( -; IN VOID *Destination, -; IN VOID *Source, -; IN UINT32 Size -; ); -; - - RVCT_ASM_EXPORT __aeabi_llsl - SUBS r3,r2,#0x20 - BPL {pc} + 0x18 ; 0x1c - RSB r3,r2,#0x20 - LSL r1,r1,r2 - ORR r1,r1,r0,LSR r3 - LSL r0,r0,r2 - BX lr - LSL r1,r0,r3 - MOV r0,#0 - BX lr - - END - diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memmove.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memmove.asm deleted file mode 100644 index 939b46aeef..0000000000 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/memmove.asm +++ /dev/null @@ -1,46 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2011-2014, ARM Limited. All rights reserved. -// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - INCLUDE AsmMacroExport.inc - -; -;VOID -;EFIAPI -;__aeabi_memmove ( -; IN VOID *Destination, -; IN CONST VOID *Source, -; IN UINT32 Size -; ); -; - RVCT_ASM_EXPORT __aeabi_memmove - CMP r2, #0 - BXEQ lr - CMP r0, r1 - BXEQ lr - BHI memmove_backward - -memmove_forward - LDRB r3, [r1], #1 - STRB r3, [r0], #1 - SUBS r2, r2, #1 - BNE memmove_forward - BX lr - -memmove_backward - add r0, r2 - add r1, r2 -memmove_backward_loop - LDRB r3, [r1, #-1]! - STRB r3, [r0, #-1]! - SUBS r2, r2, #1 - BNE memmove_backward_loop - BX lr - - END diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/mullu.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/mullu.asm deleted file mode 100644 index 8ff0c06692..0000000000 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/mullu.asm +++ /dev/null @@ -1,43 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - EXPORT __ARM_ll_mullu - EXPORT __aeabi_lmul - - AREA Math, CODE, READONLY - -; -;INT64 -;EFIAPI -;__aeabi_lmul ( -; IN INT64 Multiplicand -; IN INT32 Multiplier -; ); -; -__ARM_ll_mullu - mov r3, #0 -// Make upper part of INT64 Multiplier 0 and use __aeabi_lmul - -; -;INT64 -;EFIAPI -;__aeabi_lmul ( -; IN INT64 Multiplicand -; IN INT64 Multiplier -; ); -; -__aeabi_lmul - stmdb sp!, {lr} - mov lr, r0 - umull r0, ip, r2, lr - mla r1, r2, r1, ip - mla r1, r3, lr, r1 - ldmia sp!, {pc} - - END diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm deleted file mode 100644 index c8e8afef32..0000000000 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm +++ /dev/null @@ -1,22 +0,0 @@ -///------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - - INCLUDE AsmMacroExport.inc - - RVCT_ASM_EXPORT __ARM_switch8 - LDRB r12,[lr,#-1] - CMP r3,r12 - LDRBCC r3,[lr,r3] - LDRBCS r3,[lr,r12] - ADD r12,lr,r3,LSL #1 - BX r12 - - END diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm deleted file mode 100644 index 82aab976ac..0000000000 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm +++ /dev/null @@ -1,58 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - - INCLUDE AsmMacroExport.inc - -; -;UINT32 -;EFIAPI -;__aeabi_uread4 ( -; IN VOID *Pointer -; ); -; - RVCT_ASM_EXPORT __aeabi_uread4 - ldrb r1, [r0] - ldrb r2, [r0, #1] - ldrb r3, [r0, #2] - ldrb r0, [r0, #3] - orr r1, r1, r2, lsl #8 - orr r1, r1, r3, lsl #16 - orr r0, r1, r0, lsl #24 - bx lr - -; -;UINT64 -;EFIAPI -;__aeabi_uread8 ( -; IN VOID *Pointer -; ); -; - RVCT_ASM_EXPORT __aeabi_uread8 - mov r3, r0 - - ldrb r1, [r3] - ldrb r2, [r3, #1] - orr r1, r1, r2, lsl #8 - ldrb r2, [r3, #2] - orr r1, r1, r2, lsl #16 - ldrb r0, [r3, #3] - orr r0, r1, r0, lsl #24 - - ldrb r1, [r3, #4] - ldrb r2, [r3, #5] - orr r1, r1, r2, lsl #8 - ldrb r2, [r3, #6] - orr r1, r1, r2, lsl #16 - ldrb r2, [r3, #7] - orr r1, r1, r2, lsl #24 - - bx lr - END diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm deleted file mode 100644 index d433d9987e..0000000000 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm +++ /dev/null @@ -1,60 +0,0 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
-// -// SPDX-License-Identifier: BSD-2-Clause-Patent -// -//------------------------------------------------------------------------------ - - - - INCLUDE AsmMacroExport.inc - -; -;UINT32 -;EFIAPI -;__aeabi_uwrite4 ( -; IN UINT32 Data, -; IN VOID *Pointer -; ); -; -; - RVCT_ASM_EXPORT __aeabi_uwrite4 - mov r2, r0, lsr #8 - strb r0, [r1] - strb r2, [r1, #1] - mov r2, r0, lsr #16 - strb r2, [r1, #2] - mov r2, r0, lsr #24 - strb r2, [r1, #3] - bx lr - -; -;UINT64 -;EFIAPI -;__aeabi_uwrite8 ( -; IN UINT64 Data, //r0-r1 -; IN VOID *Pointer //r2 -; ); -; -; - RVCT_ASM_EXPORT __aeabi_uwrite8 - mov r3, r0, lsr #8 - strb r0, [r2] - strb r3, [r2, #1] - mov r3, r0, lsr #16 - strb r3, [r2, #2] - mov r3, r0, lsr #24 - strb r3, [r2, #3] - - mov r3, r1, lsr #8 - strb r1, [r2, #4] - strb r3, [r2, #5] - mov r3, r1, lsr #16 - strb r3, [r2, #6] - mov r3, r1, lsr #24 - strb r3, [r2, #7] - bx lr - - END - diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf index fcf48c6781..7e22e6f67b 100644 --- a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf +++ b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf @@ -18,9 +18,6 @@ LIBRARY_CLASS = CompilerIntrinsicsLib [Sources] - memcpy.c | RVCT - memset.c | RVCT - memcpy.c | GCC memset.c | GCC @@ -30,18 +27,6 @@ memmove_ms.c | MSFT [Sources.ARM] - Arm/mullu.asm | RVCT - Arm/switch.asm | RVCT - Arm/llsr.asm | RVCT - Arm/memmove.asm | RVCT - Arm/uread.asm | RVCT - Arm/uwrite.asm | RVCT - Arm/lasr.asm | RVCT - Arm/llsl.asm | RVCT - Arm/div.asm | RVCT - Arm/uldiv.asm | RVCT - Arm/ldivmod.asm | RVCT - Arm/ashrdi3.S | GCC Arm/ashldi3.S | GCC Arm/div.S | GCC -- 2.39.2