Commit f30becb5 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc: Replace PPC_INST_NOP by PPC_RAW_NOP() 



On the road to removing all PPC_INST_xx defines in
asm/ppc-opcodes.h, change PPC_INST_NOP to PPC_RAW_NOP().

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ad46c195ca1b8572629ef07ba6bfe247585239a6.1621506159.git.christophe.leroy@csgroup.eu
parent deefd0ae

arch/powerpc/include/asm/ppc-opcode.h

+1 −2
Original line number Diff line number Diff line
@@ -261,7 +261,6 @@ 
#define PPC_INST_MFSPR_PVR		0x7c1f42a6

#define PPC_INST_MFSPR_PVR_MASK		0xfc1ffffe

#define PPC_INST_MTMSRD			0x7c000164

#define PPC_INST_NOP			0x60000000

#define PPC_INST_POPCNTB		0x7c0000f4

#define PPC_INST_POPCNTB_MASK		0xfc0007fe

#define PPC_INST_RFEBB			0x4c000124
@@ -476,7 +475,7 @@ 
#define PPC_RAW_ADD_DOT(t, a, b)	(PPC_INST_ADD | ___PPC_RT(t) | ___PPC_RA(a) | ___PPC_RB(b) | 0x1)

#define PPC_RAW_ADDC(t, a, b)		(0x7c000014 | ___PPC_RT(t) | ___PPC_RA(a) | ___PPC_RB(b))

#define PPC_RAW_ADDC_DOT(t, a, b)	(0x7c000014 | ___PPC_RT(t) | ___PPC_RA(a) | ___PPC_RB(b) | 0x1)

#define PPC_RAW_NOP()			(PPC_INST_NOP)

#define PPC_RAW_NOP()			PPC_RAW_ORI(0, 0, 0)

#define PPC_RAW_BLR()			(0x4e800020)

#define PPC_RAW_BLRL()			(0x4e800021)

#define PPC_RAW_MTLR(r)			(0x7c0803a6 | ___PPC_RT(r))

arch/powerpc/kernel/crash_dump.c

+1 −1
Original line number Diff line number Diff line
@@ -45,7 +45,7 @@ static void __init create_trampoline(unsigned long addr) 
	 * branch to "addr" we jump to ("addr" + 32 MB). Although it requires

	 * two instructions it doesn't require any registers.

	 */

	patch_instruction(p, ppc_inst(PPC_INST_NOP));

	patch_instruction(p, ppc_inst(PPC_RAW_NOP()));

	patch_branch((void *)p + 4, addr + PHYSICAL_START, 0);

}

arch/powerpc/kernel/jump_label.c

+1 −1
Original line number Diff line number Diff line
@@ -16,5 +16,5 @@ void arch_jump_label_transform(struct jump_entry *entry, 
	if (type == JUMP_LABEL_JMP)

		patch_branch(addr, jump_entry_target(entry), 0);

	else

		patch_instruction(addr, ppc_inst(PPC_INST_NOP));

		patch_instruction(addr, ppc_inst(PPC_RAW_NOP()));

}

arch/powerpc/kernel/setup_32.c

+1 −1
Original line number Diff line number Diff line
@@ -85,7 +85,7 @@ notrace void __init machine_init(u64 dt_ptr) 
	/* Enable early debugging if any specified (see udbg.h) */

	udbg_early_init();



	patch_instruction_site(&patch__memcpy_nocache, ppc_inst(PPC_INST_NOP));

	patch_instruction_site(&patch__memcpy_nocache, ppc_inst(PPC_RAW_NOP()));



	create_cond_branch(&insn, addr, branch_target(addr), 0x820000);

	patch_instruction(addr, insn);	/* replace b by bne cr0 */

arch/powerpc/lib/test_emulate_step.c

+1 −1
Original line number Diff line number Diff line
@@ -922,7 +922,7 @@ static struct compute_test compute_tests[] = { 
		.subtests = {

			{

				.descr = "R0 = LONG_MAX",

				.instr = ppc_inst(PPC_INST_NOP),

				.instr = ppc_inst(PPC_RAW_NOP()),

				.regs = {

					.gpr[0] = LONG_MAX,

				}