ArmPkg: update RVCT assembly functions to use new RVCT_ASM_EXPORT macro

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / Arm / uread.asm

//------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
//\r
// This program and the accompanying materials\r
// are licensed and made available under the terms and conditions of the BSD License\r
// which accompanies this distribution.  The full text of the license may be found at\r
// http://opensource.org/licenses/bsd-license.php\r
//\r
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
//\r
//------------------------------------------------------------------------------\r
\r
\r
\r
\r
    INCLUDE AsmMacroExport.inc\r
\r
;\r
;UINT32\r
;EFIAPI\r
;__aeabi_uread4 (\r
;  IN VOID   *Pointer\r
;  );\r
;\r
 RVCT_ASM_EXPORT __aeabi_uread4\r
    ldrb    r1, [r0]\r
    ldrb    r2, [r0, #1]\r
    ldrb    r3, [r0, #2]\r
    ldrb    r0, [r0, #3]\r
    orr     r1, r1, r2, lsl #8\r
    orr     r1, r1, r3, lsl #16\r
    orr     r0, r1, r0, lsl #24\r
    bx      lr\r
\r
;\r
;UINT64\r
;EFIAPI\r
;__aeabi_uread8 (\r
;  IN VOID   *Pointer\r
;  );\r
;\r
 RVCT_ASM_EXPORT __aeabi_uread8\r
    mov     r3, r0\r
\r
    ldrb    r1, [r3]\r
    ldrb    r2, [r3, #1]\r
    orr     r1, r1, r2, lsl #8\r
    ldrb    r2, [r3, #2]\r
    orr     r1, r1, r2, lsl #16\r
    ldrb    r0, [r3, #3]\r
    orr     r0, r1, r0, lsl #24\r
\r
    ldrb    r1, [r3, #4]\r
    ldrb    r2, [r3, #5]\r
    orr     r1, r1, r2, lsl #8\r
    ldrb    r2, [r3, #6]\r
    orr     r1, r1, r2, lsl #16\r
    ldrb    r2, [r3, #7]\r
    orr     r1, r1, r2, lsl #24\r
\r
    bx      lr\r
    END\r