| Sandrine Bailleux | 3cd87d7 | 2018-10-09 11:12:55 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef __ASM_MACROS_S__ |
| 8 | #define __ASM_MACROS_S__ |
| 9 | |
| 10 | #include <arch.h> |
| 11 | #include <asm_macros_common.S> |
| 12 | |
| 13 | #define TLB_INVALIDATE(_reg, _coproc) \ |
| 14 | stcopr _reg, _coproc |
| 15 | |
| 16 | /* |
| 17 | * Co processor register accessors |
| 18 | */ |
| 19 | .macro ldcopr reg, coproc, opc1, CRn, CRm, opc2 |
| 20 | mrc \coproc, \opc1, \reg, \CRn, \CRm, \opc2 |
| 21 | .endm |
| 22 | |
| 23 | .macro ldcopr16 reg1, reg2, coproc, opc1, CRm |
| 24 | mrrc \coproc, \opc1, \reg1, \reg2, \CRm |
| 25 | .endm |
| 26 | |
| 27 | .macro stcopr reg, coproc, opc1, CRn, CRm, opc2 |
| 28 | mcr \coproc, \opc1, \reg, \CRn, \CRm, \opc2 |
| 29 | .endm |
| 30 | |
| 31 | .macro stcopr16 reg1, reg2, coproc, opc1, CRm |
| 32 | mcrr \coproc, \opc1, \reg1, \reg2, \CRm |
| 33 | .endm |
| 34 | |
| 35 | /* Cache line size helpers */ |
| 36 | .macro dcache_line_size reg, tmp |
| 37 | ldcopr \tmp, CTR |
| 38 | ubfx \tmp, \tmp, #16, #4 |
| 39 | mov \reg, #4 |
| 40 | lsl \reg, \reg, \tmp |
| 41 | .endm |
| 42 | |
| 43 | .macro icache_line_size reg, tmp |
| 44 | ldcopr \tmp, CTR |
| 45 | and \tmp, \tmp, #0xf |
| 46 | mov \reg, #4 |
| 47 | lsl \reg, \reg, \tmp |
| 48 | .endm |
| 49 | |
| 50 | /* |
| 51 | * Declare the exception vector table, enforcing it is aligned on a |
| 52 | * 32 byte boundary. |
| 53 | */ |
| 54 | .macro vector_base label |
| 55 | .section .vectors, "ax" |
| 56 | .align 5 |
| 57 | \label: |
| 58 | .endm |
| 59 | |
| 60 | /* |
| 61 | * This macro calculates the base address of an MP stack using the |
| 62 | * platform_get_core_pos() index, the name of the stack storage and |
| 63 | * the size of each stack |
| 64 | * Out: r0 = physical address of stack base |
| 65 | * Clobber: r14, r1, r2 |
| 66 | */ |
| 67 | .macro get_mp_stack _name, _size |
| 68 | bl platform_get_core_pos |
| 69 | ldr r2, =(\_name + \_size) |
| 70 | mov r1, #\_size |
| 71 | mla r0, r0, r1, r2 |
| 72 | .endm |
| 73 | |
| 74 | /* |
| 75 | * This macro calculates the base address of a uniprocessor(UP) stack |
| 76 | * using the name of the stack storage and the size of the stack |
| 77 | * Out: r0 = physical address of stack base |
| 78 | */ |
| 79 | .macro get_up_stack _name, _size |
| 80 | ldr r0, =(\_name + \_size) |
| 81 | .endm |
| 82 | |
| 83 | #endif /* __ASM_MACROS_S__ */ |
| 84 | |