diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/emulated_ops.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 17 |
3 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h index f00e10e2a335..651e1354498e 100644 --- a/arch/powerpc/include/asm/emulated_ops.h +++ b/arch/powerpc/include/asm/emulated_ops.h @@ -55,6 +55,10 @@ extern struct ppc_emulated { struct ppc_emulated_entry mfdscr; struct ppc_emulated_entry mtdscr; struct ppc_emulated_entry lq_stq; + struct ppc_emulated_entry lxvw4x; + struct ppc_emulated_entry lxvh8x; + struct ppc_emulated_entry lxvd2x; + struct ppc_emulated_entry lxvb16x; #endif } ppc_emulated; diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 04b60af027ae..1e06310ccc09 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -210,6 +210,7 @@ struct paca_struct { */ u16 in_mce; u8 hmi_event_available; /* HMI event is available */ + u8 hmi_p9_special_emu; /* HMI P9 special emulation */ #endif /* Stuff for accurate time accounting */ diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 9c0e60ca1666..e34f15e727d9 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -173,6 +173,23 @@ do { \ extern long __get_user_bad(void); +/* + * This does an atomic 128 byte aligned load from userspace. + * Upto caller to do enable_kernel_vmx() before calling! + */ +#define __get_user_atomic_128_aligned(kaddr, uaddr, err) \ + __asm__ __volatile__( \ + "1: lvx 0,0,%1 # get user\n" \ + " stvx 0,0,%2 # put kernel\n" \ + "2:\n" \ + ".section .fixup,\"ax\"\n" \ + "3: li %0,%3\n" \ + " b 2b\n" \ + ".previous\n" \ + EX_TABLE(1b, 3b) \ + : "=r" (err) \ + : "b" (uaddr), "b" (kaddr), "i" (-EFAULT), "0" (err)) + #define __get_user_asm(x, addr, err, op) \ __asm__ __volatile__( \ "1: "op" %1,0(%2) # get_user\n" \ |