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- /*
- * (C) Copyright 2007 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #if defined(CONFIG_PPC)
- .text
- .globl _start
- _start:
- lis %r11, search_hint@ha
- addi %r11, %r11, search_hint@l
- stw %r1, 0(%r11)
- b main
- .globl syscall
- syscall:
- lis %r11, syscall_ptr@ha
- addi %r11, %r11, syscall_ptr@l
- lwz %r11, 0(%r11)
- mtctr %r11
- bctr
- #elif defined(CONFIG_ARM)
- .text
- .globl _start
- _start:
- ldr ip, =search_hint
- str sp, [ip]
- b main
- .globl syscall
- syscall:
- ldr ip, =syscall_ptr
- ldr pc, [ip]
- #elif defined(CONFIG_MIPS)
- #include <asm/asm.h>
- .text
- .globl __start
- .ent __start
- __start:
- PTR_S $sp, search_hint
- b main
- .end __start
- .globl syscall
- .ent syscall
- syscall:
- PTR_S $ra, return_addr
- PTR_L $t9, syscall_ptr
- jalr $t9
- nop
- PTR_L $ra, return_addr
- jr $ra
- nop
- .end syscall
- return_addr:
- .align 8
- .long 0
- #else
- #error No support for this arch!
- #endif
- .globl syscall_ptr
- syscall_ptr:
- .align 8
- .long 0
- .globl search_hint
- search_hint:
- .long 0
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