diff options
Diffstat (limited to 'arch/powerpc/include/asm/code-patching.h')
| -rw-r--r-- | arch/powerpc/include/asm/code-patching.h | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h index 4ba834599c4d..e26080539c31 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -24,20 +24,20 @@ bool is_offset_in_branch_range(long offset); bool is_offset_in_cond_branch_range(long offset); -int create_branch(struct ppc_inst *instr, const u32 *addr, +int create_branch(ppc_inst_t *instr, const u32 *addr, unsigned long target, int flags); -int create_cond_branch(struct ppc_inst *instr, const u32 *addr, +int create_cond_branch(ppc_inst_t *instr, const u32 *addr, unsigned long target, int flags); int patch_branch(u32 *addr, unsigned long target, int flags); -int patch_instruction(u32 *addr, struct ppc_inst instr); -int raw_patch_instruction(u32 *addr, struct ppc_inst instr); +int patch_instruction(u32 *addr, ppc_inst_t instr); +int raw_patch_instruction(u32 *addr, ppc_inst_t instr); static inline unsigned long patch_site_addr(s32 *site) { return (unsigned long)site + *site; } -static inline int patch_instruction_site(s32 *site, struct ppc_inst instr) +static inline int patch_instruction_site(s32 *site, ppc_inst_t instr) { return patch_instruction((u32 *)patch_site_addr(site), instr); } @@ -58,18 +58,26 @@ static inline int modify_instruction_site(s32 *site, unsigned int clr, unsigned return modify_instruction((unsigned int *)patch_site_addr(site), clr, set); } -int instr_is_relative_branch(struct ppc_inst instr); -int instr_is_relative_link_branch(struct ppc_inst instr); +static inline unsigned int branch_opcode(ppc_inst_t instr) +{ + return ppc_inst_primary_opcode(instr) & 0x3F; +} + +static inline int instr_is_branch_iform(ppc_inst_t instr) +{ + return branch_opcode(instr) == 18; +} + +static inline int instr_is_branch_bform(ppc_inst_t instr) +{ + return branch_opcode(instr) == 16; +} + +int instr_is_relative_branch(ppc_inst_t instr); +int instr_is_relative_link_branch(ppc_inst_t instr); unsigned long branch_target(const u32 *instr); -int translate_branch(struct ppc_inst *instr, const u32 *dest, const u32 *src); -extern bool is_conditional_branch(struct ppc_inst instr); -#ifdef CONFIG_PPC_BOOK3E_64 -void __patch_exception(int exc, unsigned long addr); -#define patch_exception(exc, name) do { \ - extern unsigned int name; \ - __patch_exception((exc), (unsigned long)&name); \ -} while (0) -#endif +int translate_branch(ppc_inst_t *instr, const u32 *dest, const u32 *src); +bool is_conditional_branch(ppc_inst_t instr); #define OP_RT_RA_MASK 0xffff0000UL #define LIS_R2 (PPC_RAW_LIS(_R2, 0)) |