Apologies for late feedback. I'm super happy with this set, but...
On Fri, Apr 29, 2022 at 12:20:14 +0200, Gerd Hoffmann wrote: > Copy over unmodified (except for running through uncrustify), from > https://github.com/tianocore/edk2-libc/tree/master/StdLib/LibC/CRT ...I think these files should also be given the SPDX treatment, and while doing that have the explicit patent grant added by changing them from BSD2 to BSD+Patent. / Leif > Signed-off-by: Gerd Hoffmann <kra...@redhat.com> > Acked-by: Liming Gao <gaolim...@byosoft.com.cn> > --- > .../Library/CompilerIntrinsicsLib/Ia32/Gcc.c | 283 ++++++++++++++++++ > .../CompilerIntrinsicsLib/Ia32/lldiv.c | 98 ++++++ > .../CompilerIntrinsicsLib/Ia32/lldvrm.c | 102 +++++++ > .../CompilerIntrinsicsLib/Ia32/llmul.c | 82 +++++ > .../CompilerIntrinsicsLib/Ia32/llrem.c | 95 ++++++ > .../CompilerIntrinsicsLib/Ia32/llshl.c | 57 ++++ > .../CompilerIntrinsicsLib/Ia32/llshr.c | 61 ++++ > .../CompilerIntrinsicsLib/Ia32/ulldiv.c | 89 ++++++ > .../CompilerIntrinsicsLib/Ia32/ulldvrm.c | 102 +++++++ > .../CompilerIntrinsicsLib/Ia32/ullrem.c | 95 ++++++ > .../CompilerIntrinsicsLib/Ia32/ullshr.c | 60 ++++ > .../CompilerIntrinsicsLib/Ia32/ashrdi3.S | 66 ++++ > .../CompilerIntrinsicsLib/Ia32/mulll.S | 77 +++++ > .../CompilerIntrinsicsLib/Ia32/shldi3.S | 62 ++++ > .../CompilerIntrinsicsLib/Ia32/udivdi3.S | 83 +++++ > .../CompilerIntrinsicsLib/Ia32/umoddi3.S | 89 ++++++ > 16 files changed, 1501 insertions(+) > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S > create mode 100644 MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S > > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c > new file mode 100644 > index 000000000000..430139fc5ee0 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/Gcc.c > @@ -0,0 +1,283 @@ > +/** @file > + Integer Arithmetic Run-time support functions for GCC. > + The integer arithmetic routines are used on platforms that don't provide > + hardware support for arithmetic operations on some modes.. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, > + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR > IMPLIED. > + > +**/ > +#include <Uefi.h> > +#include <Library/DebugLib.h> > +#include <sys/EfiCdefs.h> > + > +#include <Library/BaseLib.h> > + > +// Shift Datum left by Count bits. > +// > =========================================================================== > +int > +__ashlsi3 ( > + int Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (int)LShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +long > +__ashldi3 ( > + long Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long)LShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +long long > +__ashlti3 ( > + long long Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long long)LShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +// Arithmetically shift Datum right by Count bits. > +// > =========================================================================== > +int > +__ashrsi3 ( > + int Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (int)ARShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +long > +__ashrdi3 ( > + long Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long)ARShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +long long > +__ashrti3 ( > + long long Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long long)ARShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +// Return the quotient of the signed division of Dividend and Divisor > +// > =========================================================================== > +int > +__divsi3 ( > + int Dividend, > + int Divisor > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (int)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, NULL); > +} > + > +INT64 > +__divdi3 ( > + INT64 Dividend, > + INT64 Divisor > + ) > +{ > + INT64 Quotient; > + > + Quotient = DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, NULL); > + DEBUG ((DEBUG_INFO, "%a: %Ld / %Ld = %Ld\n", __func__, Dividend, Divisor, > Quotient)); > + > + return Quotient; > +} > + > +long long > +__divti3 ( > + long long Dividend, > + long long Divisor > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long long)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, > NULL); > +} > + > +// Logically shift Datum right by Count bits > +// > =========================================================================== > +int > +__lshrsi3 ( > + int Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (int)RShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +long > +__lshrdi3 ( > + int Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long)RShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +long long > +__lshrti3 ( > + int Datum, > + int Count > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long long)RShiftU64 ((UINT64)Datum, (UINTN)Count); > +} > + > +// Return the remainder of the signed division of Dividend and Divisor > +// > =========================================================================== > +int > +__modsi3 ( > + int Dividend, > + int Divisor > + ) > +{ > + INT64 Remainder; > + > + (void)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, &Remainder); > + DEBUG ((DEBUG_INFO, "modsi3: %d %% %d = %d\n", Dividend, Divisor, > (int)Remainder)); > + > + return (int)Remainder; > +} > + > +INT64 > +__moddi3 ( > + INT64 Dividend, > + INT64 Divisor > + ) > +{ > + INT64 Remainder; > + > + (void)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, &Remainder); > + DEBUG ((DEBUG_INFO, "moddi3: %Ld %% %Ld = %Ld\n", (INT64)Dividend, > (INT64)Divisor, Remainder)); > + > + return Remainder; > +} > + > +long long > +__modti3 ( > + long long Dividend, > + long long Divisor > + ) > +{ > + INT64 Remainder; > + > + (void)DivS64x64Remainder ((INT64)Dividend, (INT64)Divisor, &Remainder); > + DEBUG ((DEBUG_INFO, "modti3: %Ld %% %Ld = %Ld\n", (INT64)Dividend, > (INT64)Divisor, Remainder)); > + > + return (long long)Remainder; > +} > + > +// These functions return the product of the Multiplicand and Multiplier. > +// > =========================================================================== > +long long > +__multi3 ( > + long long Multiplicand, > + long long Multiplier > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long long)MultS64x64 ((INT64)Multiplicand, (INT64)Multiplier); > +} > + > +// Return the quotient of the unsigned division of a and b. > +// > =========================================================================== > +unsigned int > +__udivsi3 ( > + unsigned int Dividend, > + unsigned int Divisor > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (int)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, NULL); > +} > + > +unsigned long > +__udivdi3 ( > + unsigned long Dividend, > + unsigned long Divisor > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, NULL); > +} > + > +unsigned long long > +__udivti3 ( > + unsigned long long Dividend, > + unsigned long long Divisor > + ) > +{ > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + return (long long)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, > NULL); > +} > + > +// > =========================================================================== > +unsigned int > +__umodsi3 ( > + unsigned int Dividend, > + unsigned int Divisor > + ) > +{ > + UINT64 Remainder; > + > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + (void)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, &Remainder); > + > + return (unsigned int)Remainder; > +} > + > +unsigned long > +__umoddi3 ( > + unsigned long Dividend, > + unsigned long Divisor > + ) > +{ > + UINT64 Remainder; > + > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + (void)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, &Remainder); > + > + return (unsigned long)Remainder; > +} > + > +unsigned long long > +__umodti3 ( > + unsigned long long Dividend, > + unsigned long long Divisor > + ) > +{ > + UINT64 Remainder; > + > + DEBUG ((DEBUG_INFO, "%a:\n", __func__)); > + (void)DivU64x64Remainder ((UINT64)Dividend, (UINT64)Divisor, &Remainder); > + > + return (unsigned long long)Remainder; > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c > new file mode 100644 > index 000000000000..792974d7b119 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldiv.c > @@ -0,0 +1,98 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +#include <Library/BaseLib.h> > + > +/* > + * Divides a 64-bit signed value with a 64-bit signed value and returns > + * a 64-bit signed result. > + */ > +__declspec(naked) void __cdecl > +_alldiv ( > + void > + ) > +{ > + // > + // Wrapper Implementation over EDKII DivS64x64Remainder() routine > + // INT64 > + // EFIAPI > + // DivS64x64Remainder ( > + // IN UINT64 Dividend, > + // IN UINT64 Divisor, > + // OUT UINT64 *Remainder OPTIONAL > + // ) > + // > + _asm { > + ;Entry: > + ; Arguments are passed on the stack: > + ; 1st pushed: divisor (QWORD) > + ; 2nd pushed: dividend (QWORD) > + ; > + ;Exit: > + ; EDX:EAX contains the quotient (dividend/ divisor) > + ; NOTE: this routine removes the parameters from the stack. > + ; > + ; Original local stack when calling _alldiv > + ; ----------------- > + ; | | > + ; |---------------| > + ; | | > + ; |-- Divisor --| > + ; | | > + ; |---------------| > + ; | | > + ; |-- Dividend --| > + ; | | > + ; |---------------| > + ; | ReturnAddr** | > + ; ESP---->|---------------| > + ; > + > + ; > + ; Set up the local stack for NULL Reminder pointer > + ; > + xor eax, eax > + push eax > + > + ; > + ; Set up the local stack for Divisor parameter > + ; > + mov eax, [esp + 20] > + push eax > + mov eax, [esp + 20] > + push eax > + > + ; > + ; Set up the local stack for Dividend parameter > + ; > + mov eax, [esp + 20] > + push eax > + mov eax, [esp + 20] > + push eax > + > + ; > + ; Call native DivS64x64Remainder of BaseLib > + ; > + call DivS64x64Remainder > + > + ; > + ; Adjust stack > + ; > + add esp, 20 > + > + ret 16 > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c > new file mode 100644 > index 000000000000..a1f87f6af5c3 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/lldvrm.c > @@ -0,0 +1,102 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +#include <Library/BaseLib.h> > + > +/* > + * Divides a 64-bit signed value by another 64-bit signed value and returns > + * the 64-bit signed result and the 64-bit signed remainder. > + */ > +__declspec(naked) void __cdecl > +_alldvrm ( > + void > + ) > +{ > + // > + // Wrapper Implementation over EDKII DivS64x64Remainder() routine > + // INT64 > + // EFIAPI > + // DivS64x64Remainder ( > + // IN INT64 Dividend, > + // IN INT64 Divisor, > + // OUT INT64 *Remainder > + // ) > + // > + _asm { > + ; Original local stack when calling _alldvrm > + ; ----------------- > + ; | | > + ; |---------------| > + ; | | > + ; |-- Divisor --| > + ; | | > + ; |---------------| > + ; | | > + ; |-- Dividend --| > + ; | | > + ; |---------------| > + ; | ReturnAddr** | > + ; ESP---->|---------------| > + ; > + ; > + ; On Exit: > + ; EDX:EAX contains the quotient (dividend/ divisor) > + ; EBX:ECX contains the remainder (divided % divisor) > + ; NOTE: this routine removes the parameters from the stack. > + ; > + > + ; > + ; Set up the local stack for Reminder pointer > + ; > + sub esp, 8 > + push esp > + > + ; > + ; Set up the local stack for Divisor parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Set up the local stack for Dividend parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Call native DivS64x64Remainder of BaseLib > + ; > + call DivS64x64Remainder > + > + ; > + ; EDX:EAX contains the quotient (dividend/ divisor) > + ; Put the Remainder in EBX:ECX > + ; > + mov ecx, [esp + 20] > + mov ebx, [esp + 24] > + > + ; > + ; Adjust stack > + ; > + add esp, 28 > + > + ret 16 > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c > new file mode 100644 > index 000000000000..61a5c416b912 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llmul.c > @@ -0,0 +1,82 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +#include <Library/BaseLib.h> > + > +/* > + * Multiplies a 64-bit signed or unsigned value by a 64-bit signed or > unsigned value > + * and returns a 64-bit result. > + */ > +__declspec(naked) void __cdecl > +_allmul ( > + void > + ) > +{ > + // > + // Wrapper Implementation over EDKII MultS64x64() routine > + // INT64 > + // EFIAPI > + // MultS64x64 ( > + // IN INT64 Multiplicand, > + // IN INT64 Multiplier > + // ) > + // > + _asm { > + ; Original local stack when calling _allmul > + ; ----------------- > + ; | | > + ; |---------------| > + ; | | > + ; |--Multiplier --| > + ; | | > + ; |---------------| > + ; | | > + ; |--Multiplicand-| > + ; | | > + ; |---------------| > + ; | ReturnAddr** | > + ; ESP---->|---------------| > + ; > + > + ; > + ; Set up the local stack for Multiplicand parameter > + ; > + mov eax, [esp + 16] > + push eax > + mov eax, [esp + 16] > + push eax > + > + ; > + ; Set up the local stack for Multiplier parameter > + ; > + mov eax, [esp + 16] > + push eax > + mov eax, [esp + 16] > + push eax > + > + ; > + ; Call native MulS64x64 of BaseLib > + ; > + call MultS64x64 > + > + ; > + ; Adjust stack > + ; > + add esp, 16 > + > + ret 16 > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c > new file mode 100644 > index 000000000000..f415fe82dd59 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llrem.c > @@ -0,0 +1,95 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +#include <Library/BaseLib.h> > + > +/* > + * Divides a 64-bit signed value by another 64-bit signed value and returns > + * the 64-bit signed remainder. > + */ > +__declspec(naked) void __cdecl > +_allrem ( > + void > + ) > +{ > + // > + // Wrapper Implementation over EDKII DivS64x64Remainder() routine > + // UINT64 > + // EFIAPI > + // DivS64x64Remainder ( > + // IN UINT64 Dividend, > + // IN UINT64 Divisor, > + // OUT UINT64 *Remainder > + // ) > + // > + _asm { > + ; Original local stack when calling _allrem > + ; ----------------- > + ; | | > + ; |---------------| > + ; | | > + ; |-- Divisor --| > + ; | | > + ; |---------------| > + ; | | > + ; |-- Dividend --| > + ; | | > + ; |---------------| > + ; | ReturnAddr** | > + ; ESP---->|---------------| > + ; > + > + ; > + ; Set up the local stack for Reminder pointer > + ; > + sub esp, 8 > + push esp > + > + ; > + ; Set up the local stack for Divisor parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Set up the local stack for Dividend parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Call native DivS64x64Remainder of BaseLib > + ; > + call DivS64x64Remainder > + > + ; > + ; Put the Reminder in EDX:EAX as return value > + ; > + mov eax, [esp + 20] > + mov edx, [esp + 24] > + > + ; > + ; Adjust stack > + ; > + add esp, 28 > + > + ret 16 > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c > new file mode 100644 > index 000000000000..f2121a713bd7 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshl.c > @@ -0,0 +1,57 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +/* > + * Shifts a 64-bit signed value left by a particular number of bits. > + */ > +__declspec(naked) void __cdecl > +_allshl ( > + void > + ) > +{ > + _asm { > + ; > + ; Handle shifting of 64 or more bits (return 0) > + ; > + > + cmp cl, 64 > + jae short ReturnZero > + > + ; > + ; Handle shifting of between 0 and 31 bits > + ; > + cmp cl, 32 > + jae short More32 > + shld edx, eax, cl > + shl eax, cl > + ret > + > + ; > + ; Handle shifting of between 32 and 63 bits > + ; > +More32: > + mov edx, eax > + xor eax, eax > + and cl, 31 > + shl edx, cl > + ret > + > +ReturnZero: > + xor eax,eax > + xor edx,edx > + ret > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c > new file mode 100644 > index 000000000000..ba60aaafada5 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/llshr.c > @@ -0,0 +1,61 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +/* > + * Shifts a 64-bit signed value right by a particular number of bits. > + */ > +__declspec(naked) void __cdecl > +_allshr ( > + void > + ) > +{ > + _asm { > + ; > + ; Handle shifts of 64 bits or more (if shifting 64 bits or more, the > result > + ; depends only on the high order bit of edx). > + ; > + > + cmp cl,64 > + jae short SIGNRETURN > + > + ; > + ; Handle shifts of between 0 and 31 bits > + ; > + cmp cl, 32 > + jae short MORE32 > + shrd eax,edx,cl > + sar edx,cl > + ret > + > + ; > + ; Handle shifts of between 32 and 63 bits > + ; > +MORE32: > + mov eax,edx > + sar edx,31 > + and cl,31 > + sar eax,cl > + ret > + > + ; > + ; Return double precision 0 or -1, depending on the sign of edx > + ; > +SIGNRETURN: > + sar edx,31 > + mov eax,edx > + ret > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c > new file mode 100644 > index 000000000000..287af8562839 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldiv.c > @@ -0,0 +1,89 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +#include <Library/BaseLib.h> > + > +/* > + * Divides a 64-bit unsigned value with a 64-bit unsigned value and returns > + * a 64-bit unsigned result. > + */ > +__declspec(naked) void __cdecl > +_aulldiv ( > + void > + ) > +{ > + // > + // Wrapper Implementation over EDKII DivU64x64Reminder() routine > + // UINT64 > + // EFIAPI > + // DivU64x64Remainder ( > + // IN UINT64 Dividend, > + // IN UINT64 Divisor, > + // OUT UINT64 *Remainder OPTIONAL > + // ) > + // > + _asm { > + ; Original local stack when calling _aulldiv > + ; ----------------- > + ; | | > + ; |---------------| > + ; | | > + ; |-- Divisor --| > + ; | | > + ; |---------------| > + ; | | > + ; |-- Dividend --| > + ; | | > + ; |---------------| > + ; | ReturnAddr** | > + ; ESP---->|---------------| > + ; > + > + ; > + ; Set up the local stack for NULL Reminder pointer > + ; > + xor eax, eax > + push eax > + > + ; > + ; Set up the local stack for Divisor parameter > + ; > + mov eax, [esp + 20] > + push eax > + mov eax, [esp + 20] > + push eax > + > + ; > + ; Set up the local stack for Dividend parameter > + ; > + mov eax, [esp + 20] > + push eax > + mov eax, [esp + 20] > + push eax > + > + ; > + ; Call native DivU64x64Remainder of BaseLib > + ; > + call DivU64x64Remainder > + > + ; > + ; Adjust stack > + ; > + add esp, 20 > + > + ret 16 > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c > new file mode 100644 > index 000000000000..378cdec115e5 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ulldvrm.c > @@ -0,0 +1,102 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +#include <Library/BaseLib.h> > + > +/* > + * Divides a 64-bit signed value by another 64-bit signed value and returns > + * the 64-bit signed result and the 64-bit signed remainder. > + */ > +__declspec(naked) void __cdecl > +_aulldvrm ( > + void > + ) > +{ > + // > + // Wrapper Implementation over EDKII DivU64x64Remainder() routine > + // UINT64 > + // EFIAPI > + // DivU64x64Remainder ( > + // IN UINT64 Dividend, > + // IN UINT64 Divisor, > + // OUT UINT64 *Remainder > + // ) > + // > + _asm { > + ; Original local stack when calling _aulldvrm > + ; ----------------- > + ; | | > + ; |---------------| > + ; | | > + ; |-- Divisor --| > + ; | | > + ; |---------------| > + ; | | > + ; |-- Dividend --| > + ; | | > + ; |---------------| > + ; | ReturnAddr** | > + ; ESP---->|---------------| > + ; > + ; > + ; On Exit: > + ; EDX:EAX contains the quotient (dividend/ divisor) > + ; EBX:ECX contains the remainder (divided % divisor) > + ; NOTE: this routine removes the parameters from the stack. > + ; > + > + ; > + ; Set up the local stack for Remainder pointer > + ; > + sub esp, 8 > + push esp > + > + ; > + ; Set up the local stack for Divisor parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Set up the local stack for Dividend parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Call native DivU64x64Remainder of BaseLib > + ; > + call DivU64x64Remainder > + > + ; > + ; EDX:EAX contains the quotient (dividend/ divisor) > + ; Put the Remainder in EBX:ECX > + ; > + mov ecx, [esp + 20] > + mov ebx, [esp + 24] > + > + ; > + ; Adjust stack > + ; > + add esp, 28 > + > + ret 16 > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c > new file mode 100644 > index 000000000000..49d0064b0f03 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullrem.c > @@ -0,0 +1,95 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +#include <Library/BaseLib.h> > + > +/* > + * Divides a 64-bit unsigned value by another 64-bit unsigned value and > returns > + * the 64-bit unsigned remainder. > + */ > +__declspec(naked) void __cdecl > +_aullrem ( > + void > + ) > +{ > + // > + // Wrapper Implementation over EDKII DivU64x64Remainder() routine > + // UINT64 > + // EFIAPI > + // DivU64x64Remainder ( > + // IN UINT64 Dividend, > + // IN UINT64 Divisor, > + // OUT UINT64 *Remainder OPTIONAL > + // ) > + // > + _asm { > + ; Original local stack when calling _aullrem > + ; ----------------- > + ; | | > + ; |---------------| > + ; | | > + ; |-- Divisor --| > + ; | | > + ; |---------------| > + ; | | > + ; |-- Dividend --| > + ; | | > + ; |---------------| > + ; | ReturnAddr** | > + ; ESP---->|---------------| > + ; > + > + ; > + ; Set up the local stack for Reminder pointer > + ; > + sub esp, 8 > + push esp > + > + ; > + ; Set up the local stack for Divisor parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Set up the local stack for Dividend parameter > + ; > + mov eax, [esp + 28] > + push eax > + mov eax, [esp + 28] > + push eax > + > + ; > + ; Call native DivU64x64Remainder of BaseLib > + ; > + call DivU64x64Remainder > + > + ; > + ; Put the Reminder in EDX:EAX as return value > + ; > + mov eax, [esp + 20] > + mov edx, [esp + 24] > + > + ; > + ; Adjust stack > + ; > + add esp, 28 > + > + ret 16 > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c > new file mode 100644 > index 000000000000..3c21b45941a1 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ullshr.c > @@ -0,0 +1,60 @@ > +/** @file > + 64-bit Math Worker Function. > + The 32-bit versions of C compiler generate calls to library routines > + to handle 64-bit math. These functions use non-standard calling > conventions. > + > + Copyright (c) 2009 - 2011, Intel Corporation. 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. > + > +**/ > + > +/* > + * Shifts a 64-bit unsigned value right by a certain number of bits. > + */ > +__declspec(naked) void __cdecl > +_aullshr ( > + void > + ) > +{ > + _asm { > + ; > + ; Checking: Only handle 64bit shifting or more > + ; > + cmp cl, 64 > + jae _Exit > + > + ; > + ; Handle shifting between 0 and 31 bits > + ; > + cmp cl, 32 > + jae More32 > + shrd eax, edx, cl > + shr edx, cl > + ret > + > + ; > + ; Handle shifting of 32-63 bits > + ; > +More32: > + mov eax, edx > + xor edx, edx > + and cl, 31 > + shr eax, cl > + ret > + > + ; > + ; Invalid number (less then 32bits), return 0 > + ; > + > +_Exit: > + xor eax, eax > + xor edx, edx > + ret > + } > +} > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S > new file mode 100644 > index 000000000000..1c629dc23bf5 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/ashrdi3.S > @@ -0,0 +1,66 @@ > +#------------------------------------------------------------------------------ > +# > +# Copyright (c) 2009 - 2011, Intel Corporation. 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. > +# > +# Module Name: > +# > +# MathRShiftU64.S > +# > +# Abstract: > +# > +# 64-bit Math Worker Function. > +# Shifts a 64-bit unsigned value right by a certain number of bits. > +# > +#------------------------------------------------------------------------------ > + > + > + .686: > + .code: > + > +ASM_GLOBAL ASM_PFX(__ashrdi3) > + > +#------------------------------------------------------------------------------ > +# > +# void __cdecl __ashrdi3 (void) > +# > +#------------------------------------------------------------------------------ > +ASM_PFX(__ashrdi3): > + # > + # Checking: Only handle 64bit shifting or more > + # > + cmpb $64, %cl > + jae _Exit > + > + # > + # Handle shifting between 0 and 31 bits > + # > + cmpb $32, %cl > + jae More32 > + shrd %cl, %edx, %eax > + shr %cl, %edx > + ret > + > + # > + # Handle shifting of 32-63 bits > + # > +More32: > + movl %edx, %eax > + xor %edx, %edx > + and $32, %cl > + shr %cl, %eax > + ret > + > + # > + # Invalid number (less then 32bits), return 0 > + # > +_Exit: > + xor %eax, %eax > + xor %edx, %edx > + ret > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S > new file mode 100644 > index 000000000000..333fdfbb9f58 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/mulll.S > @@ -0,0 +1,77 @@ > +#------------------------------------------------------------------------------ > +# > +# Copyright (c) 2009 - 2011, Intel Corporation. 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. > +# > +# Module Name: > +# > +# MathMultS64x64.S > +# > +# Abstract: > +# > +# 64-bit Math Worker Function. > +# Multiplies a 64-bit signed or unsigned value by a 64-bit signed or > unsigned value > +# and returns a 64-bit result > +# > +#------------------------------------------------------------------------------ > + > + .686: > + .code: > + > +ASM_GLOBAL ASM_PFX(_mulll), ASM_PFX(MultS64x64) > + > +#------------------------------------------------------------------------------ > +# > +# void __cdecl __mulll (void) > +# > +#------------------------------------------------------------------------------ > +ASM_PFX(__mulll): > + # Original local stack when calling __mulll > + # ----------------- > + # | | > + # |---------------| > + # | | > + # |--Multiplier --| > + # | | > + # |---------------| > + # | | > + # |--Multiplicand-| > + # | | > + # |---------------| > + # | ReturnAddr** | > + # ESP---->|---------------| > + # > + > + # > + # Set up the local stack for Multiplicand parameter > + # > + movl 16(%esp), %eax > + push %eax > + movl 16(%esp), %eax > + push %eax > + > + # > + # Set up the local stack for Multiplier parameter > + # > + movl 16(%esp), %eax > + push %eax > + movl 16(%esp), %eax > + push %eax > + > + # > + # Call native MulS64x64 of BaseLib > + # > + jmp ASM_PFX(MultS64x64) > + > + # > + # Adjust stack > + # > + add $16, %esp > + > + ret $16 > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S > new file mode 100644 > index 000000000000..b2a03d98337e > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/shldi3.S > @@ -0,0 +1,62 @@ > +#------------------------------------------------------------------------------ > +# > +# Copyright (c) 2009 - 2011, Intel Corporation. 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. > +# > +# Module Name: > +# > +# MathLShiftS64.S > +# > +# Abstract: > +# > +# 64-bit Math Worker Function. > +# Shifts a 64-bit signed value left by a certain number of bits. > +# > +#------------------------------------------------------------------------------ > + > + .686: > + .code: > + > +ASM_GLOBAL ASM_PFX(__ashldi3) > + > +#------------------------------------------------------------------------------ > +# > +# void __cdecl __ashldi3 (void) > +# > +#------------------------------------------------------------------------------ > +ASM_PFX(__ashldi3): > + # > + # Handle shifting of 64 or more bits (return 0) > + # > + cmpb $64, %cl > + jae ReturnZero > + > + # > + # Handle shifting of between 0 and 31 bits > + # > + cmpb $32, %cl > + jae More32 > + shld %cl, %eax, %edx > + shl %cl, %eax > + ret > + > + # > + # Handle shifting of between 32 and 63 bits > + # > +More32: > + movl %eax, %edx > + xor %eax, %eax > + and $31, %cl > + shl %cl, %edx > + ret > + > +ReturnZero: > + xor %eax, %eax > + xor %edx, %edx > + ret > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S > new file mode 100644 > index 000000000000..336d75ee7c30 > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/udivdi3.S > @@ -0,0 +1,83 @@ > +#------------------------------------------------------------------------------ > +# > +# Copyright (c) 2009 - 2011, Intel Corporation. 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. > +# > +# Module Name: > +# > +# MathDivU64x64.S > +# > +# Abstract: > +# > +# 64-bit Math Worker Function. > +# Divides a 64-bit unsigned value with a 64-bit unsigned value and returns > +# a 64-bit unsigned result. > +# > +#------------------------------------------------------------------------------ > + > + .686: > + .code: > + > +ASM_GLOBAL ASM_PFX(__udivdi3), ASM_PFX(DivU64x64Remainder) > + > +#------------------------------------------------------------------------------ > +# > +# void __cdecl __udivdi3 (void) > +# > +#------------------------------------------------------------------------------ > +ASM_PFX(__udivdi3): > + # Original local stack when calling __udivdi3 > + # ----------------- > + # | | > + # |---------------| > + # | | > + # |-- Divisor --| > + # | | > + # |---------------| > + # | | > + # |-- Dividend --| > + # | | > + # |---------------| > + # | ReturnAddr** | > + # ESP---->|---------------| > + # > + > + # > + # Set up the local stack for NULL Reminder pointer > + # > + xorl %eax, %eax > + push %eax > + > + # > + # Set up the local stack for Divisor parameter > + # > + movl 20(%esp), %eax > + push %eax > + movl 20(%esp), %eax > + push %eax > + > + # > + # Set up the local stack for Dividend parameter > + # > + movl 20(%esp), %eax > + push %eax > + movl 20(%esp), %eax > + push %eax > + > + # > + # Call native DivU64x64Remainder of BaseLib > + # > + jmp ASM_PFX(DivU64x64Remainder) > + > + # > + # Adjust stack > + # > + addl $20, %esp > + > + ret $16 > diff --git a/MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S > b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S > new file mode 100644 > index 000000000000..9b72e918a4ba > --- /dev/null > +++ b/MdePkg/Library/CompilerIntrinsicsLib/Ia32/umoddi3.S > @@ -0,0 +1,89 @@ > +#------------------------------------------------------------------------------ > +# > +# Copyright (c) 2009 - 2011, Intel Corporation. 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. > +# > +# Module Name: > +# > +# MathReminderU64x64.S > +# > +# Abstract: > +# > +# 64-bit Math Worker Function. > +# Divides a 64-bit unsigned value by another 64-bit unsigned value and > returns > +# the 64-bit unsigned remainder > +# > +#------------------------------------------------------------------------------ > + > + .686: > + .code: > + > +ASM_GLOBAL ASM_PFX(__umoddi3), ASM_PFX(DivU64x64Remainder) > + > +#------------------------------------------------------------------------------ > +# > +# void __cdecl __umoddi3 (void) > +# > +#------------------------------------------------------------------------------ > +ASM_PFX(__umoddi3): > + # Original local stack when calling __umoddi3 > + # ----------------- > + # | | > + # |---------------| > + # | | > + # |-- Divisor --| > + # | | > + # |---------------| > + # | | > + # |-- Dividend --| > + # | | > + # |---------------| > + # | ReturnAddr** | > + # ESP---->|---------------| > + # > + > + # > + # Set up the local stack for Reminder pointer > + # > + sub $8, %esp > + push %esp > + > + # > + # Set up the local stack for Divisor parameter > + # > + movl 28(%esp), %eax > + push %eax > + movl 28(%esp), %eax > + push %eax > + > + # > + # Set up the local stack for Dividend parameter > + # > + movl 28(%esp), %eax > + push %eax > + movl 28(%esp), %eax > + push %eax > + > + # > + # Call native DivU64x64Remainder of BaseLib > + # > + jmp ASM_PFX(DivU64x64Remainder) > + > + # > + # Put the Reminder in EDX:EAX as return value > + # > + movl 20(%esp), %eax > + movl 24(%esp), %edx > + > + # > + # Adjust stack > + # > + add $28, %esp > + > + ret $16 > -- > 2.35.1 > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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