diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/ppc-opcode.h | 18 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/probes.h | 36 |
2 files changed, 54 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index a5d89cd3e8d1..683e9bc618a7 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -130,6 +130,8 @@ #define OP_PREFIX 1 #define OP_TRAP_64 2 #define OP_TRAP 3 +#define OP_SC 17 +#define OP_19 19 #define OP_31 31 #define OP_LWZ 32 #define OP_LWZU 33 @@ -159,6 +161,20 @@ #define OP_LD 58 #define OP_STD 62 +#define OP_19_XOP_RFID 18 +#define OP_19_XOP_RFMCI 38 +#define OP_19_XOP_RFDI 39 +#define OP_19_XOP_RFI 50 +#define OP_19_XOP_RFCI 51 +#define OP_19_XOP_RFSCV 82 +#define OP_19_XOP_HRFID 274 +#define OP_19_XOP_URFID 306 +#define OP_19_XOP_STOP 370 +#define OP_19_XOP_DOZE 402 +#define OP_19_XOP_NAP 434 +#define OP_19_XOP_SLEEP 466 +#define OP_19_XOP_RVWINKLE 498 + #define OP_31_XOP_TRAP 4 #define OP_31_XOP_LDX 21 #define OP_31_XOP_LWZX 23 @@ -179,6 +195,8 @@ #define OP_31_XOP_LHZUX 311 #define OP_31_XOP_MSGSNDP 142 #define OP_31_XOP_MSGCLRP 174 +#define OP_31_XOP_MTMSR 146 +#define OP_31_XOP_MTMSRD 178 #define OP_31_XOP_TLBIE 306 #define OP_31_XOP_MFSPR 339 #define OP_31_XOP_LWAX 341 diff --git a/arch/powerpc/include/asm/probes.h b/arch/powerpc/include/asm/probes.h index c5d984700d24..6f66e358aa37 100644 --- a/arch/powerpc/include/asm/probes.h +++ b/arch/powerpc/include/asm/probes.h @@ -8,6 +8,7 @@ * Copyright IBM Corporation, 2012 */ #include <linux/types.h> +#include <asm/disassemble.h> typedef u32 ppc_opcode_t; #define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */ @@ -31,6 +32,41 @@ typedef u32 ppc_opcode_t; #define MSR_SINGLESTEP (MSR_SE) #endif +static inline bool can_single_step(u32 inst) +{ + switch (get_op(inst)) { + case OP_TRAP_64: return false; + case OP_TRAP: return false; + case OP_SC: return false; + case OP_19: + switch (get_xop(inst)) { + case OP_19_XOP_RFID: return false; + case OP_19_XOP_RFMCI: return false; + case OP_19_XOP_RFDI: return false; + case OP_19_XOP_RFI: return false; + case OP_19_XOP_RFCI: return false; + case OP_19_XOP_RFSCV: return false; + case OP_19_XOP_HRFID: return false; + case OP_19_XOP_URFID: return false; + case OP_19_XOP_STOP: return false; + case OP_19_XOP_DOZE: return false; + case OP_19_XOP_NAP: return false; + case OP_19_XOP_SLEEP: return false; + case OP_19_XOP_RVWINKLE: return false; + } + break; + case OP_31: + switch (get_xop(inst)) { + case OP_31_XOP_TRAP: return false; + case OP_31_XOP_TRAP_64: return false; + case OP_31_XOP_MTMSR: return false; + case OP_31_XOP_MTMSRD: return false; + } + break; + } + return true; +} + /* Enable single stepping for the current task */ static inline void enable_single_step(struct pt_regs *regs) { |