projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ef2b01e A |
1 | /** @file\r |
| 2 | Macros to work around lack of Apple support for LDR register, =expr\r | |
| 3 | \r | |
| d6ebcab7 | 4 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
| 1377db63 | 5 | Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>\r |
| d2d0e27c | 6 | Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r |
| 2ef2b01e | 7 | \r |
| 4059386c | 8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 2ef2b01e A |
9 | \r |
| 10 | **/\r | |
| 11 | \r | |
| cc15a619 PG |
12 | #ifndef ASM_MACRO_IO_LIB_H_\r |
| 13 | #define ASM_MACRO_IO_LIB_H_\r | |
| 2ef2b01e | 14 | \r |
| d2d0e27c AB |
15 | #define _ASM_FUNC(Name, Section) \\r |
| 16 | .global Name ; \\r | |
| 17 | .section #Section, "ax" ; \\r | |
| 18 | .type Name, %function ; \\r | |
| 493b4045 | 19 | .p2align 2 ; \\r |
| d2d0e27c AB |
20 | Name:\r |
| 21 | \r | |
| 429309e0 | 22 | #define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name)\r |
| d2d0e27c AB |
23 | \r |
| 24 | #define MOV32(Reg, Val) \\r | |
| 25 | movw Reg, #(Val) & 0xffff ; \\r | |
| 26 | movt Reg, #(Val) >> 16\r | |
| 27 | \r | |
| 28 | #define ADRL(Reg, Sym) \\r | |
| 29 | movw Reg, #:lower16:(Sym) - (. + 16) ; \\r | |
| 30 | movt Reg, #:upper16:(Sym) - (. + 12) ; \\r | |
| 31 | add Reg, Reg, pc\r | |
| 32 | \r | |
| 33 | #define LDRL(Reg, Sym) \\r | |
| 34 | movw Reg, #:lower16:(Sym) - (. + 16) ; \\r | |
| 35 | movt Reg, #:upper16:(Sym) - (. + 12) ; \\r | |
| 36 | ldr Reg, [pc, Reg]\r | |
| 37 | \r | |
| cc15a619 | 38 | #endif // ASM_MACRO_IO_LIB_H_\r |