/* * Function calling ABI conversion from Linux to EFI for x86_64 * * Copyright (C) 2007 Intel Corp * Bibo Mao <bibo.mao@intel.com> * Huang Ying <ying.huang@intel.com> */ #include <linux/linkage.h> #define SAVE_XMM \ mov %rsp, %rax; \ subq $0x70, %rsp; \ and $~0xf, %rsp; \ mov %rax, (%rsp); \ mov %cr0, %rax; \ clts; \ mov %rax, 0x8(%rsp); \ movaps %xmm0, 0x60(%rsp); \ movaps %xmm1, 0x50(%rsp); \ movaps %xmm2, 0x40(%rsp); \ movaps %xmm3, 0x30(%rsp); \ movaps %xmm4, 0x20(%rsp); \ movaps %xmm5, 0x10(%rsp) #define RESTORE_XMM \ movaps 0x60(%rsp), %xmm0; \ movaps 0x50(%rsp), %xmm1; \ movaps 0x40(%rsp), %xmm2; \ movaps 0x30(%rsp), %xmm3; \ movaps 0x20(%rsp), %xmm4; \ movaps 0x10(%rsp), %xmm5; \ mov 0x8(%rsp), %rsi; \ mov %rsi, %cr0; \ mov (%rsp), %rsp ENTRY(efi_call0) SAVE_XMM subq $32, %rsp call *%rdi addq $32, %rsp RESTORE_XMM ret ENTRY(efi_call1) SAVE_XMM subq $32, %rsp mov %rsi, %rcx call *%rdi addq $32, %rsp RESTORE_XMM ret ENTRY(efi_call2) SAVE_XMM subq $32, %rsp mov %rsi, %rcx call *%rdi addq $32, %rsp RESTORE_XMM ret ENTRY(efi_call3) SAVE_XMM subq $32, %rsp mov %rcx, %r8 mov %rsi, %rcx call *%rdi addq $32, %rsp RESTORE_XMM ret ENTRY(efi_call4) SAVE_XMM subq $32, %rsp mov %r8, %r9 mov %rcx, %r8 mov %rsi, %rcx call *%rdi addq $32, %rsp RESTORE_XMM ret ENTRY(efi_call5) SAVE_XMM subq $48, %rsp mov %r9, 32(%rsp) mov %r8, %r9 mov %rcx, %r8 mov %rsi, %rcx call *%rdi addq $48, %rsp RESTORE_XMM ret ENTRY(efi_call6) SAVE_XMM mov (%rsp), %rax mov 8(%rax), %rax subq $48, %rsp mov %r9, 32(%rsp) mov %rax, 40(%rsp) mov %r8, %r9 mov %rcx, %r8 mov %rsi, %rcx call *%rdi addq $48, %rsp RESTORE_XMM ret