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Add ARM efi includes and libs.

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This commit is contained in:
Curle 2019-07-21 15:22:32 +01:00
parent 6e7118f162
commit 09f4f326f1
14 changed files with 941 additions and 0 deletions
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164
gnu-efi/inc/arm/efibind.h Normal file
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/*
* Copright (C) 2014 - 2015 Linaro Ltd.
* Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice and this list of conditions, without modification.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later version.
*/
#if !defined(_MSC_VER) && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ))
// ANSI C 1999/2000 stdint.h integer width declarations
typedef unsigned long long uint64_t;
typedef long long int64_t;
typedef unsigned int uint32_t;
typedef int int32_t;
typedef unsigned short uint16_t;
typedef short int16_t;
typedef unsigned char uint8_t;
typedef signed char int8_t; // unqualified 'char' is unsigned on ARM
#else
#include <stdint.h>
#endif
/*
* This prevents GCC from emitting GOT based relocations, and use R_ARM_REL32
* relative relocations instead, which are more suitable for static binaries.
*/
#ifdef __GNUC__
#pragma GCC visibility push (hidden)
#endif
//
// Basic EFI types of various widths
//
#ifndef __WCHAR_TYPE__
# define __WCHAR_TYPE__ short
#endif
typedef uint64_t UINT64;
typedef int64_t INT64;
typedef uint32_t UINT32;
typedef int32_t INT32;
typedef uint16_t UINT16;
typedef int16_t INT16;
typedef uint8_t UINT8;
typedef int8_t INT8;
typedef __WCHAR_TYPE__ WCHAR;
#undef VOID
#define VOID void
typedef int32_t INTN;
typedef uint32_t UINTN;
#define EFIERR(a) (0x80000000 | a)
#define EFI_ERROR_MASK 0x80000000
#define EFIERR_OEM(a) (0xc0000000 | a)
#define BAD_POINTER 0xFBFBFBFB
#define MAX_ADDRESS 0xFFFFFFFF
#define BREAKPOINT() while (TRUE);
//
// Pointers must be aligned to these address to function
//
#define MIN_ALIGNMENT_SIZE 4
#define ALIGN_VARIABLE(Value ,Adjustment) \
(UINTN)Adjustment = 0; \
if((UINTN)Value % MIN_ALIGNMENT_SIZE) \
(UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \
Value = (UINTN)Value + (UINTN)Adjustment
//
// Define macros to build data structure signatures from characters.
//
#define EFI_SIGNATURE_16(A,B) ((A) | (B<<8))
#define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16))
#define EFI_SIGNATURE_64(A,B,C,D,E,F,G,H) (EFI_SIGNATURE_32(A,B,C,D) | ((UINT64)(EFI_SIGNATURE_32(E,F,G,H)) << 32))
//
// EFIAPI - prototype calling convention for EFI function pointers
// BOOTSERVICE - prototype for implementation of a boot service interface
// RUNTIMESERVICE - prototype for implementation of a runtime service interface
// RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service
// RUNTIME_CODE - pragma macro for declaring runtime code
//
#ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options
#define EFIAPI // Substitute expresion to force C calling convention
#endif
#define BOOTSERVICE
#define RUNTIMESERVICE
#define RUNTIMEFUNCTION
#define RUNTIME_CODE(a) alloc_text("rtcode", a)
#define BEGIN_RUNTIME_DATA() data_seg("rtdata")
#define END_RUNTIME_DATA() data_seg("")
#define VOLATILE volatile
#define MEMORY_FENCE __sync_synchronize
//
// When build similiar to FW, then link everything together as
// one big module. For the MSVC toolchain, we simply tell the
// linker what our driver init function is using /ENTRY.
//
#if defined(_MSC_EXTENSIONS)
#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
__pragma(comment(linker, "/ENTRY:" # InitFunction))
#else
#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
UINTN \
InitializeDriver ( \
VOID *ImageHandle, \
VOID *SystemTable \
) \
{ \
return InitFunction(ImageHandle, \
SystemTable); \
} \
\
EFI_STATUS efi_main( \
EFI_HANDLE image, \
EFI_SYSTEM_TABLE *systab \
) __attribute__((weak, \
alias ("InitializeDriver")));
#endif
#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
(_if)->LoadInternal(type, name, entry)
//
// Some compilers don't support the forward reference construct:
// typedef struct XXXXX
//
// The following macro provide a workaround for such cases.
#define INTERFACE_DECL(x) struct x
#define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__)
#define EFI_FUNCTION

25
gnu-efi/inc/arm/efilibplat.h Normal file
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/*++
Copyright (c) 1998 Intel Corporation
Module Name:
efilibplat.h
Abstract:
EFI to compile bindings
Revision History
--*/
VOID
InitializeLibPlatform (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);

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gnu-efi/inc/arm/efisetjmp_arch.h Normal file
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#ifndef GNU_EFI_ARM_SETJMP_H
#define GNU_EFI_ARM_SETJMP_H
#define JMPBUF_ALIGN 4
typedef struct {
UINT32 R3; // A copy of R13
UINT32 R4;
UINT32 R5;
UINT32 R6;
UINT32 R7;
UINT32 R8;
UINT32 R9;
UINT32 R10;
UINT32 R11;
UINT32 R12;
UINT32 R13;
UINT32 R14;
} ALIGN(JMPBUF_ALIGN) jmp_buf;
#endif /* GNU_EFI_ARM_SETJMP_H */

155
gnu-efi/lib/arm/div.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2011, ARM. 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 "edk2asm.h"
.text
.align 2
GCC_ASM_EXPORT(__aeabi_uidiv)
GCC_ASM_EXPORT(__aeabi_uidivmod)
GCC_ASM_EXPORT(__aeabi_idiv)
GCC_ASM_EXPORT(__aeabi_idivmod)
# AREA Math, CODE, READONLY
#
#UINT32
#EFIAPI
#__aeabi_uidivmode (
# IN UINT32 Dividen
# IN UINT32 Divisor
# );
#
ASM_PFX(__aeabi_uidiv):
ASM_PFX(__aeabi_uidivmod):
rsbs r12, r1, r0, LSR #4
mov r2, #0
bcc ASM_PFX(__arm_div4)
rsbs r12, r1, r0, LSR #8
bcc ASM_PFX(__arm_div8)
mov r3, #0
b ASM_PFX(__arm_div_large)
#
#INT32
#EFIAPI
#__aeabi_idivmode (
# IN INT32 Dividen
# IN INT32 Divisor
# );
#
ASM_PFX(__aeabi_idiv):
ASM_PFX(__aeabi_idivmod):
orrs r12, r0, r1
bmi ASM_PFX(__arm_div_negative)
rsbs r12, r1, r0, LSR #1
mov r2, #0
bcc ASM_PFX(__arm_div1)
rsbs r12, r1, r0, LSR #4
bcc ASM_PFX(__arm_div4)
rsbs r12, r1, r0, LSR #8
bcc ASM_PFX(__arm_div8)
mov r3, #0
b ASM_PFX(__arm_div_large)
ASM_PFX(__arm_div8):
rsbs r12, r1, r0, LSR #7
subcs r0, r0, r1, LSL #7
adc r2, r2, r2
rsbs r12, r1, r0,LSR #6
subcs r0, r0, r1, LSL #6
adc r2, r2, r2
rsbs r12, r1, r0, LSR #5
subcs r0, r0, r1, LSL #5
adc r2, r2, r2
rsbs r12, r1, r0, LSR #4
subcs r0, r0, r1, LSL #4
adc r2, r2, r2
ASM_PFX(__arm_div4):
rsbs r12, r1, r0, LSR #3
subcs r0, r0, r1, LSL #3
adc r2, r2, r2
rsbs r12, r1, r0, LSR #2
subcs r0, r0, r1, LSL #2
adcs r2, r2, r2
rsbs r12, r1, r0, LSR #1
subcs r0, r0, r1, LSL #1
adc r2, r2, r2
ASM_PFX(__arm_div1):
subs r1, r0, r1
movcc r1, r0
adc r0, r2, r2
bx r14
ASM_PFX(__arm_div_negative):
ands r2, r1, #0x80000000
rsbmi r1, r1, #0
eors r3, r2, r0, ASR #32
rsbcs r0, r0, #0
rsbs r12, r1, r0, LSR #4
bcc label1
rsbs r12, r1, r0, LSR #8
bcc label2
ASM_PFX(__arm_div_large):
lsl r1, r1, #6
rsbs r12, r1, r0, LSR #8
orr r2, r2, #0xfc000000
bcc label2
lsl r1, r1, #6
rsbs r12, r1, r0, LSR #8
orr r2, r2, #0x3f00000
bcc label2
lsl r1, r1, #6
rsbs r12, r1, r0, LSR #8
orr r2, r2, #0xfc000
orrcs r2, r2, #0x3f00
lslcs r1, r1, #6
rsbs r12, r1, #0
bcs ASM_PFX(__aeabi_idiv0)
label3:
lsrcs r1, r1, #6
label2:
rsbs r12, r1, r0, LSR #7
subcs r0, r0, r1, LSL #7
adc r2, r2, r2
rsbs r12, r1, r0, LSR #6
subcs r0, r0, r1, LSL #6
adc r2, r2, r2
rsbs r12, r1, r0, LSR #5
subcs r0, r0, r1, LSL #5
adc r2, r2, r2
rsbs r12, r1, r0, LSR #4
subcs r0, r0, r1, LSL #4
adc r2, r2, r2
label1:
rsbs r12, r1, r0, LSR #3
subcs r0, r0, r1, LSL #3
adc r2, r2, r2
rsbs r12, r1, r0, LSR #2
subcs r0, r0, r1, LSL #2
adcs r2, r2, r2
bcs label3
rsbs r12, r1, r0, LSR #1
subcs r0, r0, r1, LSL #1
adc r2, r2, r2
subs r1, r0, r1
movcc r1, r0
adc r0, r2, r2
asrs r3, r3, #31
rsbmi r0, r0, #0
rsbcs r1, r1, #0
bx r14
@ What to do about division by zero? For now, just return.
ASM_PFX(__aeabi_idiv0):
bx r14

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gnu-efi/lib/arm/edk2asm.h Normal file
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#define ASM_PFX(x) x
#define GCC_ASM_EXPORT(x) \
.globl x ; \
.type x, %function

1
gnu-efi/lib/arm/efi_stub.S Normal file
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/* This stub is a stub to make the build happy */

34
gnu-efi/lib/arm/initplat.c Normal file
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/*
* Copright (C) 2014 Linaro Ltd.
* Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice and this list of conditions, without modification.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later version.
*/
#include "lib.h"
VOID
InitializeLibPlatform (
IN EFI_HANDLE ImageHandle EFI_UNUSED,
IN EFI_SYSTEM_TABLE *SystemTable EFI_UNUSED
)
{
}
#ifdef __GNUC__
void __div0(void)
{
// TODO handle divide by zero fault
while (1);
}
#endif

61
gnu-efi/lib/arm/ldivmod.S Normal file
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//------------------------------------------------------------------------------
//
// Copyright (c) 2008 - 2009, Apple Inc. 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 "edk2asm.h"
.text
.align 2
GCC_ASM_EXPORT(__aeabi_ldivmod)
//
// A pair of (unsigned) long longs is returned in {{r0, r1}, {r2, r3}},
// the quotient in {r0, r1}, and the remainder in {r2, r3}.
//
//__value_in_regs lldiv_t
//EFIAPI
//__aeabi_ldivmod (
// IN UINT64 Dividen
// IN UINT64 Divisor
// )//
//
ASM_PFX(__aeabi_ldivmod):
push {r4,lr}
asrs r4,r1,#1
eor r4,r4,r3,LSR #1
bpl L_Test1
rsbs r0,r0,#0
rsc r1,r1,#0
L_Test1:
tst r3,r3
bpl L_Test2
rsbs r2,r2,#0
rsc r3,r3,#0
L_Test2:
bl ASM_PFX(__aeabi_uldivmod)
tst r4,#0x40000000
beq L_Test3
rsbs r0,r0,#0
rsc r1,r1,#0
L_Test3:
tst r4,#0x80000000
beq L_Exit
rsbs r2,r2,#0
rsc r3,r3,#0
L_Exit:
pop {r4,pc}

41
gnu-efi/lib/arm/llsl.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2013, ARM. 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 "edk2asm.h"
.text
.align 2
GCC_ASM_EXPORT(__aeabi_llsl)
#
#VOID
#EFIAPI
#__aeabi_llsl (
# IN VOID *Destination,
# IN VOID *Source,
# IN UINT32 Size
# );
#
ASM_PFX(__aeabi_llsl):
subs r3,r2,#0x20
bpl 1f
rsb r3,r2,#0x20
lsl r1,r1,r2
orr r1,r1,r0,lsr r3
lsl r0,r0,r2
bx lr
1:
lsl r1,r0,r3
mov r0,#0
bx lr

41
gnu-efi/lib/arm/llsr.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2013, ARM. 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 "edk2asm.h"
.text
.align 2
GCC_ASM_EXPORT(__aeabi_llsr)
#
#VOID
#EFIAPI
#__aeabi_llsr (
# IN VOID *Destination,
# IN VOID *Source,
# IN UINT32 Size
# );
#
ASM_PFX(__aeabi_llsr):
subs r3,r2,#0x20
bpl 1f
rsb r3,r2,#0x20
lsr r0,r0,r2
orr r0,r0,r1,lsl r3
lsr r1,r1,r2
bx lr
1:
lsr r0,r1,r3
mov r1,#0
bx lr

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gnu-efi/lib/arm/math.c Normal file
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/*
* Copright (C) 2014 Linaro Ltd.
* Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice and this list of conditions, without modification.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later version.
*/
#include "lib.h"
UINT64
LShiftU64 (
IN UINT64 Operand,
IN UINTN Count
)
// Left shift 64bit by 32bit and get a 64bit result
{
return Operand << Count;
}
UINT64
RShiftU64 (
IN UINT64 Operand,
IN UINTN Count
)
// Right shift 64bit by 32bit and get a 64bit result
{
return Operand >> Count;
}
UINT64
MultU64x32 (
IN UINT64 Multiplicand,
IN UINTN Multiplier
)
// Multiply 64bit by 32bit and get a 64bit result
{
return Multiplicand * Multiplier;
}
UINT64
DivU64x32 (
IN UINT64 Dividend,
IN UINTN Divisor,
OUT UINTN *Remainder OPTIONAL
)
{
/*
* GCC turns a division into a multiplication and shift with precalculated
* constants if the divisor is constant and the dividend fits into a 32 bit
* variable. Otherwise, it will turn this into calls into the 32-bit div
* library functions.
*/
if (Remainder)
*Remainder = Dividend % Divisor;
return Dividend / Divisor;
}

33
gnu-efi/lib/arm/mullu.S Normal file
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#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. 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 "edk2asm.h"
.text
GCC_ASM_EXPORT(__aeabi_lmul)
#
#INT64
#EFIAPI
#__aeabi_lmul (
# IN INT64 Multiplicand
# IN INT64 Multiplier
# );
#
ASM_PFX(__aeabi_lmul):
stmdb sp!, {lr}
mov lr, r0
umull r0, ip, r2, lr
mla r1, r2, r1, ip
mla r1, r3, lr, r1
ldmia sp!, {pc}

25
gnu-efi/lib/arm/setjmp.S Normal file
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/*
* Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
* 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.
*/
.text
.arm
.globl setjmp
.type setjmp, %function
setjmp:
mov r3, r13
stmia r0, {r3-r12,r14}
eor r0, r0, r0
bx lr
.globl longjmp
.type longjmp, %function
longjmp:
ldmia r0, {r3-r12,r14}

267
gnu-efi/lib/arm/uldiv.S Normal file
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//------------------------------------------------------------------------------
//
// Copyright (c) 2008 - 2009, Apple Inc. 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 "edk2asm.h"
.text
.align 2
GCC_ASM_EXPORT(__aeabi_uldivmod)
//
//UINT64
//EFIAPI
//__aeabi_uldivmod (
// IN UINT64 Dividend
// IN UINT64 Divisor
// )
//
ASM_PFX(__aeabi_uldivmod):
stmdb sp!, {r4, r5, r6, lr}
mov r4, r1
mov r5, r0
mov r6, #0 // 0x0
orrs ip, r3, r2, lsr #31
bne ASM_PFX(__aeabi_uldivmod_label1)
tst r2, r2
beq ASM_PFX(_ll_div0)
movs ip, r2, lsr #15
addeq r6, r6, #16 // 0x10
mov ip, r2, lsl r6
movs lr, ip, lsr #23
moveq ip, ip, lsl #8
addeq r6, r6, #8 // 0x8
movs lr, ip, lsr #27
moveq ip, ip, lsl #4
addeq r6, r6, #4 // 0x4
movs lr, ip, lsr #29
moveq ip, ip, lsl #2
addeq r6, r6, #2 // 0x2
movs lr, ip, lsr #30
moveq ip, ip, lsl #1
addeq r6, r6, #1 // 0x1
b ASM_PFX(_ll_udiv_small)
ASM_PFX(__aeabi_uldivmod_label1):
tst r3, #-2147483648 // 0x80000000
bne ASM_PFX(__aeabi_uldivmod_label2)
movs ip, r3, lsr #15
addeq r6, r6, #16 // 0x10
mov ip, r3, lsl r6
movs lr, ip, lsr #23
moveq ip, ip, lsl #8
addeq r6, r6, #8 // 0x8
movs lr, ip, lsr #27
moveq ip, ip, lsl #4
addeq r6, r6, #4 // 0x4
movs lr, ip, lsr #29
moveq ip, ip, lsl #2
addeq r6, r6, #2 // 0x2
movs lr, ip, lsr #30
addeq r6, r6, #1 // 0x1
rsb r3, r6, #32 // 0x20
moveq ip, ip, lsl #1
orr ip, ip, r2, lsr r3
mov lr, r2, lsl r6
b ASM_PFX(_ll_udiv_big)
ASM_PFX(__aeabi_uldivmod_label2):
mov ip, r3
mov lr, r2
b ASM_PFX(_ll_udiv_ginormous)
ASM_PFX(_ll_udiv_small):
cmp r4, ip, lsl #1
mov r3, #0 // 0x0
subcs r4, r4, ip, lsl #1
addcs r3, r3, #2 // 0x2
cmp r4, ip
subcs r4, r4, ip
adcs r3, r3, #0 // 0x0
add r2, r6, #32 // 0x20
cmp r2, #32 // 0x20
rsb ip, ip, #0 // 0x0
bcc ASM_PFX(_ll_udiv_small_label1)
orrs r0, r4, r5, lsr #30
moveq r4, r5
moveq r5, #0 // 0x0
subeq r2, r2, #32 // 0x20
ASM_PFX(_ll_udiv_small_label1):
mov r1, #0 // 0x0
cmp r2, #16 // 0x10
bcc ASM_PFX(_ll_udiv_small_label2)
movs r0, r4, lsr #14
moveq r4, r4, lsl #16
addeq r1, r1, #16 // 0x10
ASM_PFX(_ll_udiv_small_label2):
sub lr, r2, r1
cmp lr, #8 // 0x8
bcc ASM_PFX(_ll_udiv_small_label3)
movs r0, r4, lsr #22
moveq r4, r4, lsl #8
addeq r1, r1, #8 // 0x8
ASM_PFX(_ll_udiv_small_label3):
rsb r0, r1, #32 // 0x20
sub r2, r2, r1
orr r4, r4, r5, lsr r0
mov r5, r5, lsl r1
cmp r2, #1 // 0x1
bcc ASM_PFX(_ll_udiv_small_label5)
sub r2, r2, #1 // 0x1
and r0, r2, #7 // 0x7
eor r0, r0, #7 // 0x7
adds r0, r0, r0, lsl #1
add pc, pc, r0, lsl #2
nop // (mov r0,r0)
ASM_PFX(_ll_udiv_small_label4):
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
rsbcc r4, ip, r4
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
rsbcc r4, ip, r4
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
rsbcc r4, ip, r4
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
rsbcc r4, ip, r4
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
rsbcc r4, ip, r4
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
rsbcc r4, ip, r4
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
rsbcc r4, ip, r4
adcs r5, r5, r5
adcs r4, ip, r4, lsl #1
sub r2, r2, #8 // 0x8
tst r2, r2
rsbcc r4, ip, r4
bpl ASM_PFX(_ll_udiv_small_label4)
ASM_PFX(_ll_udiv_small_label5):
mov r2, r4, lsr r6
bic r4, r4, r2, lsl r6
adcs r0, r5, r5
adc r1, r4, r4
add r1, r1, r3, lsl r6
mov r3, #0 // 0x0
ldmia sp!, {r4, r5, r6, pc}
ASM_PFX(_ll_udiv_big):
subs r0, r5, lr
mov r3, #0 // 0x0
sbcs r1, r4, ip
movcs r5, r0
movcs r4, r1
adcs r3, r3, #0 // 0x0
subs r0, r5, lr
sbcs r1, r4, ip
movcs r5, r0
movcs r4, r1
adcs r3, r3, #0 // 0x0
subs r0, r5, lr
sbcs r1, r4, ip
movcs r5, r0
movcs r4, r1
adcs r3, r3, #0 // 0x0
mov r1, #0 // 0x0
rsbs lr, lr, #0 // 0x0
rsc ip, ip, #0 // 0x0
cmp r6, #16 // 0x10
bcc ASM_PFX(_ll_udiv_big_label1)
movs r0, r4, lsr #14
moveq r4, r4, lsl #16
addeq r1, r1, #16 // 0x10
ASM_PFX(_ll_udiv_big_label1):
sub r2, r6, r1
cmp r2, #8 // 0x8
bcc ASM_PFX(_ll_udiv_big_label2)
movs r0, r4, lsr #22
moveq r4, r4, lsl #8
addeq r1, r1, #8 // 0x8
ASM_PFX(_ll_udiv_big_label2):
rsb r0, r1, #32 // 0x20
sub r2, r6, r1
orr r4, r4, r5, lsr r0
mov r5, r5, lsl r1
cmp r2, #1 // 0x1
bcc ASM_PFX(_ll_udiv_big_label4)
sub r2, r2, #1 // 0x1
and r0, r2, #3 // 0x3
rsb r0, r0, #3 // 0x3
adds r0, r0, r0, lsl #1
add pc, pc, r0, lsl #3
nop // (mov r0,r0)
ASM_PFX(_ll_udiv_big_label3):
adcs r5, r5, r5
adcs r4, r4, r4
adcs r0, lr, r5
adcs r1, ip, r4
movcs r5, r0
movcs r4, r1
adcs r5, r5, r5
adcs r4, r4, r4
adcs r0, lr, r5
adcs r1, ip, r4
movcs r5, r0
movcs r4, r1
adcs r5, r5, r5
adcs r4, r4, r4
adcs r0, lr, r5
adcs r1, ip, r4
movcs r5, r0
movcs r4, r1
sub r2, r2, #4 // 0x4
adcs r5, r5, r5
adcs r4, r4, r4
adcs r0, lr, r5
adcs r1, ip, r4
tst r2, r2
movcs r5, r0
movcs r4, r1
bpl ASM_PFX(_ll_udiv_big_label3)
ASM_PFX(_ll_udiv_big_label4):
mov r1, #0 // 0x0
mov r2, r5, lsr r6
bic r5, r5, r2, lsl r6
adcs r0, r5, r5
adc r1, r1, #0 // 0x0
movs lr, r3, lsl r6
mov r3, r4, lsr r6
bic r4, r4, r3, lsl r6
adc r1, r1, #0 // 0x0
adds r0, r0, lr
orr r2, r2, r4, ror r6
adc r1, r1, #0 // 0x0
ldmia sp!, {r4, r5, r6, pc}
ASM_PFX(_ll_udiv_ginormous):
subs r2, r5, lr
mov r1, #0 // 0x0
sbcs r3, r4, ip
adc r0, r1, r1
movcc r2, r5
movcc r3, r4
ldmia sp!, {r4, r5, r6, pc}
ASM_PFX(_ll_div0):
ldmia sp!, {r4, r5, r6, lr}
mov r0, #0 // 0x0
mov r1, #0 // 0x0
b ASM_PFX(__aeabi_ldiv0)
ASM_PFX(__aeabi_ldiv0):
bx r14