patch-2.3.4 linux/arch/ppc/xmon/privinst.h

• Lines: 74
• Date: Sat May 22 13:03:00 1999
• Orig file: v2.3.3/linux/arch/ppc/xmon/privinst.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.3/linux/arch/ppc/xmon/privinst.h linux/arch/ppc/xmon/privinst.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 1996 Paul Mackerras.
+ */
+
+#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)
+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)
+
+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));
+}
+
+