powerpc/inst: Define ppc_inst_t

In order to stop using 'struct ppc_inst' on PPC32,
define a ppc_inst_t typedef.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/fe5baa2c66fea9db05a8b300b3e8d2880a42596c.1638208156.git.christophe.leroy@csgroup.eu

4 files changed, 28 insertions, 28 deletions

diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c
index c5ed98823835..312324a26df3 100644
--- a/arch/powerpc/lib/code-patching.c
+++ b/arch/powerpc/lib/code-patching.c
@@ -18,7 +18,7 @@
 #include <asm/setup.h>
 #include <asm/inst.h>
 
-static int __patch_instruction(u32 *exec_addr, struct ppc_inst instr, u32 *patch_addr)
+static int __patch_instruction(u32 *exec_addr, ppc_inst_t instr, u32 *patch_addr)
 {
 	if (!ppc_inst_prefixed(instr)) {
 		u32 val = ppc_inst_val(instr);
@@ -39,7 +39,7 @@ failed:
 	return -EFAULT;
 }
 
-int raw_patch_instruction(u32 *addr, struct ppc_inst instr)
+int raw_patch_instruction(u32 *addr, ppc_inst_t instr)
 {
 	return __patch_instruction(addr, instr, addr);
 }
@@ -141,7 +141,7 @@ static inline int unmap_patch_area(unsigned long addr)
 	return 0;
 }
 
-static int do_patch_instruction(u32 *addr, struct ppc_inst instr)
+static int do_patch_instruction(u32 *addr, ppc_inst_t instr)
 {
 	int err;
 	u32 *patch_addr = NULL;
@@ -180,14 +180,14 @@ out:
 }
 #else /* !CONFIG_STRICT_KERNEL_RWX */
 
-static int do_patch_instruction(u32 *addr, struct ppc_inst instr)
+static int do_patch_instruction(u32 *addr, ppc_inst_t instr)
 {
 	return raw_patch_instruction(addr, instr);
 }
 
 #endif /* CONFIG_STRICT_KERNEL_RWX */
 
-int patch_instruction(u32 *addr, struct ppc_inst instr)
+int patch_instruction(u32 *addr, ppc_inst_t instr)
 {
 	/* Make sure we aren't patching a freed init section */
 	if (init_mem_is_free && init_section_contains(addr, 4)) {
@@ -200,7 +200,7 @@ NOKPROBE_SYMBOL(patch_instruction);
 
 int patch_branch(u32 *addr, unsigned long target, int flags)
 {
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 
 	create_branch(&instr, addr, target, flags);
 	return patch_instruction(addr, instr);
@@ -237,7 +237,7 @@ bool is_offset_in_cond_branch_range(long offset)
  * Helper to check if a given instruction is a conditional branch
  * Derived from the conditional checks in analyse_instr()
  */
-bool is_conditional_branch(struct ppc_inst instr)
+bool is_conditional_branch(ppc_inst_t instr)
 {
 	unsigned int opcode = ppc_inst_primary_opcode(instr);
 
@@ -255,7 +255,7 @@ bool is_conditional_branch(struct ppc_inst instr)
 }
 NOKPROBE_SYMBOL(is_conditional_branch);
 
-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)
 {
 	long offset;
@@ -275,7 +275,7 @@ int create_branch(struct ppc_inst *instr, const u32 *addr,
 	return 0;
 }
 
-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)
 {
 	long offset;
@@ -294,22 +294,22 @@ int create_cond_branch(struct ppc_inst *instr, const u32 *addr,
 	return 0;
 }
 
-static unsigned int branch_opcode(struct ppc_inst instr)
+static unsigned int branch_opcode(ppc_inst_t instr)
 {
 	return ppc_inst_primary_opcode(instr) & 0x3F;
 }
 
-static int instr_is_branch_iform(struct ppc_inst instr)
+static int instr_is_branch_iform(ppc_inst_t instr)
 {
 	return branch_opcode(instr) == 18;
 }
 
-static int instr_is_branch_bform(struct ppc_inst instr)
+static int instr_is_branch_bform(ppc_inst_t instr)
 {
 	return branch_opcode(instr) == 16;
 }
 
-int instr_is_relative_branch(struct ppc_inst instr)
+int instr_is_relative_branch(ppc_inst_t instr)
 {
 	if (ppc_inst_val(instr) & BRANCH_ABSOLUTE)
 		return 0;
@@ -317,7 +317,7 @@ int instr_is_relative_branch(struct ppc_inst instr)
 	return instr_is_branch_iform(instr) || instr_is_branch_bform(instr);
 }
 
-int instr_is_relative_link_branch(struct ppc_inst instr)
+int instr_is_relative_link_branch(ppc_inst_t instr)
 {
 	return instr_is_relative_branch(instr) && (ppc_inst_val(instr) & BRANCH_SET_LINK);
 }
@@ -364,7 +364,7 @@ unsigned long branch_target(const u32 *instr)
 	return 0;
 }
 
-int translate_branch(struct ppc_inst *instr, const u32 *dest, const u32 *src)
+int translate_branch(ppc_inst_t *instr, const u32 *dest, const u32 *src)
 {
 	unsigned long target;
 	target = branch_target(src);
@@ -417,7 +417,7 @@ static void __init test_trampoline(void)
 static void __init test_branch_iform(void)
 {
 	int err;
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 	u32 tmp[2];
 	u32 *iptr = tmp;
 	unsigned long addr = (unsigned long)tmp;
@@ -499,7 +499,7 @@ static void __init test_create_function_call(void)
 {
 	u32 *iptr;
 	unsigned long dest;
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 
 	/* Check we can create a function call */
 	iptr = (u32 *)ppc_function_entry(test_trampoline);
@@ -513,7 +513,7 @@ static void __init test_branch_bform(void)
 {
 	int err;
 	unsigned long addr;
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 	u32 tmp[2];
 	u32 *iptr = tmp;
 	unsigned int flags;
@@ -591,7 +591,7 @@ static void __init test_translate_branch(void)
 {
 	unsigned long addr;
 	void *p, *q;
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 	void *buf;
 
 	buf = vmalloc(PAGE_ALIGN(0x2000000 + 1));
diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
index c3e06922468b..57c6bb802f6c 100644
--- a/arch/powerpc/lib/feature-fixups.c
+++ b/arch/powerpc/lib/feature-fixups.c
@@ -47,7 +47,7 @@ static u32 *calc_addr(struct fixup_entry *fcur, long offset)
 static int patch_alt_instruction(u32 *src, u32 *dest, u32 *alt_start, u32 *alt_end)
 {
 	int err;
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 
 	instr = ppc_inst_read(src);
 
@@ -624,7 +624,7 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end)
 static void do_final_fixups(void)
 {
 #if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE)
-	struct ppc_inst inst;
+	ppc_inst_t inst;
 	u32 *src, *dest, *end;
 
 	if (PHYSICAL_START == 0)
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 86f49e3e7cf5..a94b0cd0bdc5 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -1354,7 +1354,7 @@ static nokprobe_inline int trap_compare(long v1, long v2)
  * otherwise.
  */
 int analyse_instr(struct instruction_op *op, const struct pt_regs *regs,
-		  struct ppc_inst instr)
+		  ppc_inst_t instr)
 {
 #ifdef CONFIG_PPC64
 	unsigned int suffixopcode, prefixtype, prefix_r;
@@ -3578,7 +3578,7 @@ NOKPROBE_SYMBOL(emulate_loadstore);
  * or -1 if the instruction is one that should not be stepped,
  * such as an rfid, or a mtmsrd that would clear MSR_RI.
  */
-int emulate_step(struct pt_regs *regs, struct ppc_inst instr)
+int emulate_step(struct pt_regs *regs, ppc_inst_t instr)
 {
 	struct instruction_op op;
 	int r, err, type;
diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c
index 8b4f6b3e96c4..4f141daafcff 100644
--- a/arch/powerpc/lib/test_emulate_step.c
+++ b/arch/powerpc/lib/test_emulate_step.c
@@ -792,7 +792,7 @@ static void __init test_lxvpx_stxvpx(void)
 #ifdef CONFIG_VSX
 static void __init test_plxvp_pstxvp(void)
 {
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 	struct pt_regs regs;
 	union {
 		vector128 a;
@@ -906,7 +906,7 @@ struct compute_test {
 	struct {
 		char *descr;
 		unsigned long flags;
-		struct ppc_inst instr;
+		ppc_inst_t instr;
 		struct pt_regs regs;
 	} subtests[MAX_SUBTESTS + 1];
 };
@@ -1600,7 +1600,7 @@ static struct compute_test compute_tests[] = {
 };
 
 static int __init emulate_compute_instr(struct pt_regs *regs,
-					struct ppc_inst instr,
+					ppc_inst_t instr,
 					bool negative)
 {
 	int analysed;
@@ -1627,7 +1627,7 @@ static int __init emulate_compute_instr(struct pt_regs *regs,
 }
 
 static int __init execute_compute_instr(struct pt_regs *regs,
-					struct ppc_inst instr)
+					ppc_inst_t instr)
 {
 	extern int exec_instr(struct pt_regs *regs);
 
@@ -1658,7 +1658,7 @@ static void __init run_tests_compute(void)
 	struct compute_test *test;
 	struct pt_regs *regs, exp, got;
 	unsigned int i, j, k;
-	struct ppc_inst instr;
+	ppc_inst_t instr;
 	bool ignore_gpr, ignore_xer, ignore_ccr, passed, rc, negative;
 
 	for (i = 0; i < ARRAY_SIZE(compute_tests); i++) {