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;%HEADER%
;/** @file
; Macros to work around lack of Apple support for LDR register, =expr
;
; Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
; Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
;
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;**/
MACRO
MmioWrite32Macro $Address, $Data
ldr r1, = ($Address)
ldr r0, = ($Data)
str r0, [r1]
MEND
MACRO
MmioOr32Macro $Address, $OrData
ldr r1, =($Address)
ldr r2, =($OrData)
ldr r0, [r1]
orr r0, r0, r2
str r0, [r1]
MEND
MACRO
MmioAnd32Macro $Address, $AndData
ldr r1, =($Address)
ldr r2, =($AndData)
ldr r0, [r1]
and r0, r0, r2
str r0, [r1]
MEND
MACRO
MmioAndThenOr32Macro $Address, $AndData, $OrData
ldr r1, =($Address)
ldr r0, [r1]
ldr r2, =($AndData)
and r0, r0, r2
ldr r2, =($OrData)
orr r0, r0, r2
str r0, [r1]
MEND
MACRO
MmioWriteFromReg32Macro $Address, $Reg
ldr r1, =($Address)
str $Reg, [r1]
MEND
MACRO
MmioRead32Macro $Address
ldr r1, =($Address)
ldr r0, [r1]
MEND
MACRO
MmioReadToReg32Macro $Address, $Reg
ldr r1, =($Address)
ldr $Reg, [r1]
MEND
MACRO
LoadConstantMacro $Data
ldr r0, =($Data)
MEND
MACRO
LoadConstantToRegMacro $Data, $Reg
ldr $Reg, =($Data)
MEND
; The reserved place must be 8-bytes aligned for pushing 64-bit variable on the stack
; Note: Global Size will be modified
MACRO
SetPrimaryStack $StackTop, $GlobalSize, $Tmp
and $Tmp, $GlobalSize, #7
rsbne $Tmp, $Tmp, #8
add $GlobalSize, $GlobalSize, $Tmp
sub sp, $StackTop, $GlobalSize
; Set all the global variables to 0
mov $Tmp, sp
mov $GlobalSize, #0x0
_SetPrimaryStackInitGlobals
cmp $Tmp, $StackTop
beq _SetPrimaryStackEnd
str $GlobalSize, [$Tmp], #4
b _SetPrimaryStackInitGlobals
_SetPrimaryStackEnd
MEND
MACRO
InitializePrimaryStack $GlobalSize, $Tmp1
and $Tmp1, $GlobalSize, #7
rsbne $Tmp1, $Tmp1, #8
add $GlobalSize, $GlobalSize, $Tmp1
mov $Tmp1, sp
sub sp, $GlobalSize
; Set all the global variables to 0
mov $GlobalSize, #0x0
_InitializePrimaryStackLoop
cmp $Tmp1, sp
bls _InitializePrimaryStackEnd
str $GlobalSize, [$Tmp1], #-4
b _InitializePrimaryStackLoop
_InitializePrimaryStackEnd
MEND
END
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