Viewing file:  jump_label.h (1.06 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_PARISC_JUMP_LABEL_H
#define _ASM_PARISC_JUMP_LABEL_H
#ifndef __ASSEMBLY__
#include <linux/types.h>
#include <linux/stringify.h>
#include <asm/assembly.h>
#define JUMP_LABEL_NOP_SIZE 4
static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
{
asm goto("1:\n\t"
"nop\n\t"
".pushsection __jump_table, \"aw\"\n\t"
".align %1\n\t"
".word 1b - ., %l[l_yes] - .\n\t"
__stringify(ASM_ULONG_INSN) " %c0 - .\n\t"
".popsection\n\t"
: : "i" (&((char *)key)[branch]), "i" (sizeof(long))
: : l_yes);
return false;
l_yes:
return true;
}
static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
{
asm goto("1:\n\t"
"b,n %l[l_yes]\n\t"
".pushsection __jump_table, \"aw\"\n\t"
".align %1\n\t"
".word 1b - ., %l[l_yes] - .\n\t"
__stringify(ASM_ULONG_INSN) " %c0 - .\n\t"
".popsection\n\t"
: : "i" (&((char *)key)[branch]), "i" (sizeof(long))
: : l_yes);
return false;
l_yes:
return true;
}
#endif /* __ASSEMBLY__ */
#endif
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