92 lines
1.8 KiB
C
92 lines
1.8 KiB
C
|
/*
|
||
|
|
* Copyright (C) 1996 Paul Mackerras.
|
||
|
|
*/
|
||
|
|
#include <linux/config.h>
|
||
|
|
|
||
|
|
#define GETREG(reg) \
|
||
|
|
static inline int get_ ## reg (void) \
|
||
|
|
{ int ret; asm volatile ("mf" #reg " %0" : "=r" (ret) :); return ret; }
|
||
|
|
|
||
|
|
#define SETREG(reg) \
|
||
|
|
static inline void set_ ## reg (int val) \
|
||
|
|
{ asm volatile ("mt" #reg " %0" : : "r" (val)); }
|
||
|
|
|
||
|
|
GETREG(msr)
|
||
|
|
SETREG(msr)
|
||
|
|
GETREG(cr)
|
||
|
|
|
||
|
|
#define GSETSPR(n, name) \
|
||
|
|
static inline int get_ ## name (void) \
|
||
|
|
{ int ret; asm volatile ("mfspr %0," #n : "=r" (ret) : ); return ret; } \
|
||
|
|
static inline void set_ ## name (int val) \
|
||
|
|
{ asm volatile ("mtspr " #n ",%0" : : "r" (val)); }
|
||
|
|
|
||
|
|
GSETSPR(0, mq)
|
||
|
|
GSETSPR(1, xer)
|
||
|
|
GSETSPR(4, rtcu)
|
||
|
|
GSETSPR(5, rtcl)
|
||
|
|
GSETSPR(8, lr)
|
||
|
|
GSETSPR(9, ctr)
|
||
|
|
GSETSPR(18, dsisr)
|
||
|
|
GSETSPR(19, dar)
|
||
|
|
GSETSPR(22, dec)
|
||
|
|
GSETSPR(25, sdr1)
|
||
|
|
GSETSPR(26, srr0)
|
||
|
|
GSETSPR(27, srr1)
|
||
|
|
GSETSPR(272, sprg0)
|
||
|
|
GSETSPR(273, sprg1)
|
||
|
|
GSETSPR(274, sprg2)
|
||
|
|
GSETSPR(275, sprg3)
|
||
|
|
GSETSPR(282, ear)
|
||
|
|
GSETSPR(287, pvr)
|
||
|
|
#ifndef CONFIG_8xx
|
||
|
|
GSETSPR(528, bat0u)
|
||
|
|
GSETSPR(529, bat0l)
|
||
|
|
GSETSPR(530, bat1u)
|
||
|
|
GSETSPR(531, bat1l)
|
||
|
|
GSETSPR(532, bat2u)
|
||
|
|
GSETSPR(533, bat2l)
|
||
|
|
GSETSPR(534, bat3u)
|
||
|
|
GSETSPR(535, bat3l)
|
||
|
|
GSETSPR(1008, hid0)
|
||
|
|
GSETSPR(1009, hid1)
|
||
|
|
GSETSPR(1010, iabr)
|
||
|
|
GSETSPR(1013, dabr)
|
||
|
|
GSETSPR(1023, pir)
|
||
|
|
#else
|
||
|
|
GSETSPR(144, cmpa)
|
||
|
|
GSETSPR(145, cmpb)
|
||
|
|
GSETSPR(146, cmpc)
|
||
|
|
GSETSPR(147, cmpd)
|
||
|
|
GSETSPR(158, ictrl)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline int get_sr(int n)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
asm (" mfsrin %0,%1" : "=r" (ret) : "r" (n << 28));
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void set_sr(int n, int val)
|
||
|
|
{
|
||
|
|
asm ("mtsrin %0,%1" : : "r" (val), "r" (n << 28));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void store_inst(void *p)
|
||
|
|
{
|
||
|
|
asm volatile ("dcbst 0,%0; sync; icbi 0,%0; isync" : : "r" (p));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void cflush(void *p)
|
||
|
|
{
|
||
|
|
asm volatile ("dcbf 0,%0; icbi 0,%0" : : "r" (p));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void cinval(void *p)
|
||
|
|
{
|
||
|
|
asm volatile ("dcbi 0,%0; icbi 0,%0" : : "r" (p));
|
||
|
|
}
|
||
|
|
|