powerpc/64s: system call support for scv/rfscv instructions

[linux-2.6-microblaze.git] / arch / powerpc / include / asm / ptrace.h

diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index ac3970f..f194339 100644 (file)
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -222,9 +222,14 @@ static inline void set_trap(struct pt_regs *regs, unsigned long val)
        regs->trap = (regs->trap & TRAP_FLAGS_MASK) | (val & ~TRAP_FLAGS_MASK);
 }
 
+static inline bool trap_is_scv(struct pt_regs *regs)
+{
+       return (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && TRAP(regs) == 0x3000);
+}
+
 static inline bool trap_is_syscall(struct pt_regs *regs)
 {
-       return TRAP(regs) == 0xc00;
+       return (trap_is_scv(regs) || TRAP(regs) == 0xc00);
 }
 
 static inline bool trap_norestart(struct pt_regs *regs)