diff options
Diffstat (limited to 'arch/powerpc/include/asm/sstep.h')
| -rw-r--r-- | arch/powerpc/include/asm/sstep.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/sstep.h b/arch/powerpc/include/asm/sstep.h index 769f055509c9..3b01c69a44aa 100644 --- a/arch/powerpc/include/asm/sstep.h +++ b/arch/powerpc/include/asm/sstep.h @@ -2,6 +2,7 @@ /* * Copyright (C) 2004 Paul Mackerras <paulus@au.ibm.com>, IBM */ +#include <asm/inst.h> struct pt_regs; @@ -15,9 +16,9 @@ struct pt_regs; * 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) +#define IS_MTMSRD(instr) ((ppc_inst_val(instr) & 0xfc0007be) == 0x7c000124) +#define IS_RFID(instr) ((ppc_inst_val(instr) & 0xfc0007fe) == 0x4c000024) +#define IS_RFI(instr) ((ppc_inst_val(instr) & 0xfc0007fe) == 0x4c000064) enum instruction_type { COMPUTE, /* arith/logical/CR op, etc. */ @@ -48,6 +49,8 @@ enum instruction_type { #define INSTR_TYPE_MASK 0x1f +#define OP_IS_LOAD(type) ((LOAD <= (type) && (type) <= LOAD_VSX) || (type) == LARX) +#define OP_IS_STORE(type) ((STORE <= (type) && (type) <= STORE_VSX) || (type) == STCX) #define OP_IS_LOAD_STORE(type) (LOAD <= (type) && (type) <= STCX) /* Compute flags, ORed in with type */ @@ -89,11 +92,15 @@ enum instruction_type { #define VSX_LDLEFT 4 /* load VSX register from left */ #define VSX_CHECK_VEC 8 /* check MSR_VEC not MSR_VSX for reg >= 32 */ +/* Prefixed flag, ORed in with type */ +#define PREFIXED 0x800 + /* Size field in type word */ #define SIZE(n) ((n) << 12) #define GETSIZE(w) ((w) >> 12) #define GETTYPE(t) ((t) & INSTR_TYPE_MASK) +#define GETLENGTH(t) (((t) & PREFIXED) ? 8 : 4) #define MKOP(t, f, s) ((t) | (f) | SIZE(s)) @@ -132,7 +139,7 @@ union vsx_reg { * otherwise. */ extern int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, - unsigned int instr); + struct ppc_inst instr); /* * Emulate an instruction that can be executed just by updating @@ -149,7 +156,7 @@ void emulate_update_regs(struct pt_regs *reg, struct instruction_op *op); * 0 if it could not be emulated, or -1 for an instruction that * should not be emulated (rfid, mtmsrd clearing MSR_RI, etc.). */ -extern int emulate_step(struct pt_regs *regs, unsigned int instr); +extern int emulate_step(struct pt_regs *regs, struct ppc_inst instr); /* * Emulate a load or store instruction by reading/writing the |