39 lines
653 B
ArmAsm
39 lines
653 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <arch/ram_segs.h>
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#include <cpu/x86/msr.h>
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#include <cpu/x86/cr.h>
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#if ENV_X86_64
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/*
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* Functions to handle mode switches from long mode to protected
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* mode.
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*/
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.text
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.code64
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.section ".text.protected_mode_jump", "ax", @progbits
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.globl protected_mode_jump
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protected_mode_jump:
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push %rbp
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mov %rsp, %rbp
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/* Arguments to stack */
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push %rdi
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push %rsi
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#include <cpu/x86/64bit/exit32.inc>
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movl -8(%ebp), %eax /* Function to call */
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movl -16(%ebp), %ebx /* Argument 0 */
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/* Align the stack */
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andl $0xFFFFFFF0, %esp
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subl $12, %esp
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pushl %ebx /* Argument 0 */
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jmp *%eax
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#endif
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