| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2007 Semihalf |
| 3 | * |
| 4 | * Written by: Rafal Jaworowski <raj@semihalf.com> |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0+ |
| 7 | */ |
| 8 | |
| 9 | #if defined(CONFIG_PPC) |
| 10 | |
| 11 | .text |
| 12 | .globl _start |
| 13 | _start: |
| 14 | lis %r11, search_hint@ha |
| 15 | addi %r11, %r11, search_hint@l |
| 16 | stw %r1, 0(%r11) |
| 17 | b main |
| 18 | |
| 19 | |
| 20 | .globl syscall |
| 21 | syscall: |
| 22 | lis %r11, syscall_ptr@ha |
| 23 | addi %r11, %r11, syscall_ptr@l |
| 24 | lwz %r11, 0(%r11) |
| 25 | mtctr %r11 |
| 26 | bctr |
| 27 | |
| 28 | #elif defined(CONFIG_ARM) |
| 29 | |
| 30 | .text |
| 31 | .globl _start |
| 32 | _start: |
| 33 | ldr ip, =search_hint |
| 34 | str sp, [ip] |
| 35 | b main |
| 36 | |
| 37 | |
| 38 | .globl syscall |
| 39 | syscall: |
| 40 | ldr ip, =syscall_ptr |
| 41 | ldr pc, [ip] |
| 42 | |
| 43 | #else |
| 44 | #error No support for this arch! |
| 45 | #endif |
| 46 | |
| 47 | .globl syscall_ptr |
| 48 | syscall_ptr: |
| 49 | .align 4 |
| 50 | .long 0 |
| 51 | |
| 52 | .globl search_hint |
| 53 | search_hint: |
| 54 | .long 0 |