1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
|
#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#------------------------------------------------------------------------------
#include <AsmMacroLib.h>
#
#UINT32
#EFIAPI
#__aeabi_uread4 (
# IN VOID *Pointer
# );
#
ASM_FUNC(__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
# );
#
ASM_FUNC(__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
|