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https://github.com/edk2-porting/linux-next.git
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09f05d8529
Add the arch-specific code to support jump labels for ARM and Thumb-2. This code will only be activated on compilers that are capable of building it. It has been tested with GCC 4.6 patched with the patch from GCC bug 48637. Cc: Jason Baron <jbaron@redhat.com> Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
30 lines
563 B
C
30 lines
563 B
C
#ifndef __ASM_ARM_INSN_H
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#define __ASM_ARM_INSN_H
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static inline unsigned long
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arm_gen_nop(void)
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{
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#ifdef CONFIG_THUMB2_KERNEL
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return 0xf3af8000; /* nop.w */
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#else
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return 0xe1a00000; /* mov r0, r0 */
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#endif
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}
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unsigned long
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__arm_gen_branch(unsigned long pc, unsigned long addr, bool link);
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static inline unsigned long
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arm_gen_branch(unsigned long pc, unsigned long addr)
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{
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return __arm_gen_branch(pc, addr, false);
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}
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static inline unsigned long
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arm_gen_branch_link(unsigned long pc, unsigned long addr)
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{
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return __arm_gen_branch(pc, addr, true);
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}
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#endif
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