0eb3de2edc
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
45 lines
1.1 KiB
ArmAsm
45 lines
1.1 KiB
ArmAsm
## @file
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#
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# Copyright (c) 2013-2015 Intel Corporation.
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#-----------------------------------------
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#VOID
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#AsmTransferControl (
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# IN UINT32 S3WakingVector,
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# IN UINT32 AcpiLowMemoryBase
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# );
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#-----------------------------------------
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ASM_GLOBAL ASM_PFX(AsmTransferControl)
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ASM_PFX(AsmTransferControl):
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# S3WakingVector :DWORD
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# AcpiLowMemoryBase :DWORD
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pushl %ebp
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movl %esp,%ebp
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leal LABLE, %eax
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pushl $0x28 # CS
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pushl %eax
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movl 8(%ebp),%ecx
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shrdl $20,%ecx,%ebx
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andl $0xf,%ecx
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movw %cx,%bx
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movl %ebx, jmp_addr
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lret
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LABLE:
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.byte 0xb8,0x30,0 # mov ax, 30h as selector
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movw %ax,%ds
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movw %ax,%es
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movw %ax,%fs
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movw %ax,%gs
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movw %ax,%ss
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movl %cr0, %eax # Get control register 0
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.byte 0x66
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.byte 0x83,0xe0,0xfe # and eax, 0fffffffeh ; Clear PE bit (bit #0)
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.byte 0xf,0x22,0xc0 # mov cr0, eax ; Activate real mode
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.byte 0xea # jmp far @jmp_addr
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jmp_addr:
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.long 0
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