mirror of https://github.com/acidanthera/audk.git
83 lines
2.0 KiB
ArmAsm
83 lines
2.0 KiB
ArmAsm
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#/*++
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#
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#Copyright (c) 2006, Intel Corporation
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#All rights reserved. This program and the accompanying materials
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#are licensed and made available under the terms and conditions of the BSD License
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#which accompanies this distribution. The full text of the license may be found at
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#http://opensource.org/licenses/bsd-license.php
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#
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#THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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#WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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#Module Name:
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#
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# Power10U64.c
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#
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#Abstract:
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#
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# Calculates Operand * 10 ^ Power
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#
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#--*/
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#
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##include "Tiano.h"
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#include "EfiBind.h"
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#---------------------------------------------------------------------------
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.686:
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#.MODEL flat,C
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.code:
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.globl ASM_PFX(DivU64x32)
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#---------------------------------------------------------------------------
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#
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#UINT64
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#MultU64x32 (
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# IN UINT64 Multiplicand,
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# IN UINTN Multiplier
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# );
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#
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#UINT64
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#Power10U64 (
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# IN UINT64 Operand,
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# IN UINTN Power
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# )
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#/*++
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#
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#Routine Description:
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#
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# Raise 10 to the power of Power, and multiply the result with Operand
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#
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#Arguments:
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#
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# Operand - multiplicand
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# Power - power
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#
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#Returns:
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#
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# Operand * 10 ^ Power
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#
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#--*/
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ASM_PFX(Power10U64):
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pushl %ebp
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movl %esp, %ebp
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movl 8(%ebp), %eax # dword ptr Operand[0]
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movl 0xC(%ebp), %edx # dword ptr Operand[4]
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movl 0x10(%ebp), %ecx #Power
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jcxz _Power10U64_Done
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_Power10U64_Wend:
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pushl $10
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push 0xC(%ebp)
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push 0x8(%ebp)
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call ASM_PFX(MultU64x32)
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addl $0xc, %esp
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movl %eax, 8(%ebp) # dword ptr Operand[0]
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movl %edx, 0xC(%ebp) # dword ptr Operand[4]
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loopl _Power10U64_Wend
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_Power10U64_Done:
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popl %ebp
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ret
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#Power10U64 ENDP
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