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Diffstat (limited to 'arch/powerpc/include/asm/code-patching.h')
-rw-r--r--arch/powerpc/include/asm/code-patching.h40
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))