projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b83683f HY |
1 | /* |
| 2 | * Function calling ABI conversion from Linux to EFI for x86_64 | |
| 3 | * | |
| 4 | * Copyright (C) 2007 Intel Corp | |
| 5 | * Bibo Mao <bibo.mao@intel.com> | |
| 6 | * Huang Ying <ying.huang@intel.com> | |
| 7 | */ | |
| 8 | ||
| 9 | #include <linux/linkage.h> | |
| 10 | ||
| 11 | #define SAVE_XMM \ | |
| 12 | mov %rsp, %rax; \ | |
| 13 | subq $0x70, %rsp; \ | |
| 14 | and $~0xf, %rsp; \ | |
| 15 | mov %rax, (%rsp); \ | |
| 16 | mov %cr0, %rax; \ | |
| 17 | clts; \ | |
| 18 | mov %rax, 0x8(%rsp); \ | |
| 19 | movaps %xmm0, 0x60(%rsp); \ | |
| 20 | movaps %xmm1, 0x50(%rsp); \ | |
| 21 | movaps %xmm2, 0x40(%rsp); \ | |
| 22 | movaps %xmm3, 0x30(%rsp); \ | |
| 23 | movaps %xmm4, 0x20(%rsp); \ | |
| 24 | movaps %xmm5, 0x10(%rsp) | |
| 25 | ||
| 26 | #define RESTORE_XMM \ | |
| 27 | movaps 0x60(%rsp), %xmm0; \ | |
| 28 | movaps 0x50(%rsp), %xmm1; \ | |
| 29 | movaps 0x40(%rsp), %xmm2; \ | |
| 30 | movaps 0x30(%rsp), %xmm3; \ | |
| 31 | movaps 0x20(%rsp), %xmm4; \ | |
| 32 | movaps 0x10(%rsp), %xmm5; \ | |
| 33 | mov 0x8(%rsp), %rsi; \ | |
| 34 | mov %rsi, %cr0; \ | |
| 35 | mov (%rsp), %rsp | |
| 36 | ||
| 37 | ENTRY(efi_call0) | |
| 38 | SAVE_XMM | |
| 39 | subq $32, %rsp | |
| 40 | call *%rdi | |
| 41 | addq $32, %rsp | |
| 42 | RESTORE_XMM | |
| 43 | ret | |
| 44 | ||
| 45 | ENTRY(efi_call1) | |
| 46 | SAVE_XMM | |
| 47 | subq $32, %rsp | |
| 48 | mov %rsi, %rcx | |
| 49 | call *%rdi | |
| 50 | addq $32, %rsp | |
| 51 | RESTORE_XMM | |
| 52 | ret | |
| 53 | ||
| 54 | ENTRY(efi_call2) | |
| 55 | SAVE_XMM | |
| 56 | subq $32, %rsp | |
| 57 | mov %rsi, %rcx | |
| 58 | call *%rdi | |
| 59 | addq $32, %rsp | |
| 60 | RESTORE_XMM | |
| 61 | ret | |
| 62 | ||
| 63 | ENTRY(efi_call3) | |
| 64 | SAVE_XMM | |
| 65 | subq $32, %rsp | |
| 66 | mov %rcx, %r8 | |
| 67 | mov %rsi, %rcx | |
| 68 | call *%rdi | |
| 69 | addq $32, %rsp | |
| 70 | RESTORE_XMM | |
| 71 | ret | |
| 72 | ||
| 73 | ENTRY(efi_call4) | |
| 74 | SAVE_XMM | |
| 75 | subq $32, %rsp | |
| 76 | mov %r8, %r9 | |
| 77 | mov %rcx, %r8 | |
| 78 | mov %rsi, %rcx | |
| 79 | call *%rdi | |
| 80 | addq $32, %rsp | |
| 81 | RESTORE_XMM | |
| 82 | ret | |
| 83 | ||
| 84 | ENTRY(efi_call5) | |
| 85 | SAVE_XMM | |
| 86 | subq $48, %rsp | |
| 87 | mov %r9, 32(%rsp) | |
| 88 | mov %r8, %r9 | |
| 89 | mov %rcx, %r8 | |
| 90 | mov %rsi, %rcx | |
| 91 | call *%rdi | |
| 92 | addq $48, %rsp | |
| 93 | RESTORE_XMM | |
| 94 | ret | |
| 95 | ||
| 96 | ENTRY(efi_call6) | |
| 97 | SAVE_XMM | |
| 98 | mov (%rsp), %rax | |
| 99 | mov 8(%rax), %rax | |
| 100 | subq $48, %rsp | |
| 101 | mov %r9, 32(%rsp) | |
| 102 | mov %rax, 40(%rsp) | |
| 103 | mov %r8, %r9 | |
| 104 | mov %rcx, %r8 | |
| 105 | mov %rsi, %rcx | |
| 106 | call *%rdi | |
| 107 | addq $48, %rsp | |
| 108 | RESTORE_XMM | |
| 109 | ret |