/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2007 Semihalf
*
* Written by: Rafal Jaworowski <raj@semihalf.com>
*/
#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) && !defined(CONFIG_ARM64)
.text
.globl _start
_start:
ldr r4, =search_hint
mov r5, sp
str r5, [r4]
b main
.globl syscall
syscall:
ldr r4, =syscall_ptr
ldr r4, [r4]
bx r4
#elif defined(CONFIG_ARM64)
.text
.globl _start
_start:
ldr x17, =search_hint
mov x16, sp
str x16, [x17]
b main
.globl syscall
syscall:
ldr x16, =syscall_ptr
ldr x16, [x16]
br x16
#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
#elif defined(CONFIG_ARCH_RV32I)
.text
.globl _start
_start:
la t0, search_hint
sw sp, 0(t0)
la t0, main
jalr x0, t0
.globl syscall
syscall:
la t0, syscall_ptr
lw t0, 0(t0)
jalr x0, t0
#elif defined(CONFIG_ARCH_RV64I)
.text
.globl _start
_start:
la t0, search_hint
sd sp, 0(t0)
la t0, main
jalr x0, t0
.globl syscall
syscall:
la t0, syscall_ptr
ld t0, 0(t0)
jalr x0, t0
#else
#error No support for this arch!
#endif
.section .data
.globl syscall_ptr
syscall_ptr:
.align 8
.long 0
.globl search_hint
search_hint:
.long 0