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Diffstat (limited to 'include/asm-powerpc/sstep.h')
| -rw-r--r-- | include/asm-powerpc/sstep.h | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/include/asm-powerpc/sstep.h b/include/asm-powerpc/sstep.h deleted file mode 100644 index f593b0f9b62..00000000000 --- a/include/asm-powerpc/sstep.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (C) 2004 Paul Mackerras <paulus@au.ibm.com>, IBM - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -struct pt_regs; - -/* - * We don't allow single-stepping an mtmsrd that would clear - * MSR_RI, since that would make the exception unrecoverable. - * Since we need to single-step to proceed from a breakpoint, - * we don't allow putting a breakpoint on an mtmsrd instruction. - * Similarly we don't allow breakpoints on rfid instructions. - * These macros tell us if an instruction is a mtmsrd or rfid. - * Note that IS_MTMSRD returns true for both an mtmsr (32-bit) - * and an mtmsrd (64-bit). - */ -#define IS_MTMSRD(instr) (((instr) & 0xfc0007be) == 0x7c000124) -#define IS_RFID(instr) (((instr) & 0xfc0007fe) == 0x4c000024) -#define IS_RFI(instr) (((instr) & 0xfc0007fe) == 0x4c000064) - -/* Emulate instructions that cause a transfer of control. */ -extern int emulate_step(struct pt_regs *regs, unsigned int instr); |