threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
59 lines
1.2 KiB
ArmAsm
59 lines
1.2 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Function calling ABI conversion from Linux to EFI for x86_64
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*
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* Copyright (C) 2007 Intel Corp
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* Bibo Mao <bibo.mao@intel.com>
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* Huang Ying <ying.huang@intel.com>
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*/
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#include <linux/linkage.h>
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#include <asm/segment.h>
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#include <asm/msr.h>
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#include <asm/processor-flags.h>
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#include <asm/page_types.h>
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#define SAVE_XMM \
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mov %rsp, %rax; \
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subq $0x70, %rsp; \
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and $~0xf, %rsp; \
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mov %rax, (%rsp); \
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mov %cr0, %rax; \
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clts; \
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mov %rax, 0x8(%rsp); \
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movaps %xmm0, 0x60(%rsp); \
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movaps %xmm1, 0x50(%rsp); \
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movaps %xmm2, 0x40(%rsp); \
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movaps %xmm3, 0x30(%rsp); \
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movaps %xmm4, 0x20(%rsp); \
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movaps %xmm5, 0x10(%rsp)
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#define RESTORE_XMM \
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movaps 0x60(%rsp), %xmm0; \
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movaps 0x50(%rsp), %xmm1; \
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movaps 0x40(%rsp), %xmm2; \
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movaps 0x30(%rsp), %xmm3; \
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movaps 0x20(%rsp), %xmm4; \
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movaps 0x10(%rsp), %xmm5; \
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mov 0x8(%rsp), %rsi; \
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mov %rsi, %cr0; \
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mov (%rsp), %rsp
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ENTRY(efi_call)
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pushq %rbp
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movq %rsp, %rbp
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SAVE_XMM
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mov 16(%rbp), %rax
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subq $48, %rsp
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mov %r9, 32(%rsp)
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mov %rax, 40(%rsp)
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mov %r8, %r9
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mov %rcx, %r8
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mov %rsi, %rcx
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call *%rdi
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addq $48, %rsp
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RESTORE_XMM
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popq %rbp
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ret
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ENDPROC(efi_call)
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