xref: /OK3568_Linux_fs/kernel/arch/arm/include/asm/insn.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_ARM_INSN_H
3*4882a593Smuzhiyun #define __ASM_ARM_INSN_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun static inline unsigned long
arm_gen_nop(void)6*4882a593Smuzhiyun arm_gen_nop(void)
7*4882a593Smuzhiyun {
8*4882a593Smuzhiyun #ifdef CONFIG_THUMB2_KERNEL
9*4882a593Smuzhiyun 	return 0xf3af8000; /* nop.w */
10*4882a593Smuzhiyun #else
11*4882a593Smuzhiyun 	return 0xe1a00000; /* mov r0, r0 */
12*4882a593Smuzhiyun #endif
13*4882a593Smuzhiyun }
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun unsigned long
16*4882a593Smuzhiyun __arm_gen_branch(unsigned long pc, unsigned long addr, bool link, bool warn);
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun static inline unsigned long
arm_gen_branch(unsigned long pc,unsigned long addr)19*4882a593Smuzhiyun arm_gen_branch(unsigned long pc, unsigned long addr)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	return __arm_gen_branch(pc, addr, false, true);
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun static inline unsigned long
arm_gen_branch_link(unsigned long pc,unsigned long addr,bool warn)25*4882a593Smuzhiyun arm_gen_branch_link(unsigned long pc, unsigned long addr, bool warn)
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun 	return __arm_gen_branch(pc, addr, true, warn);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #endif
31