Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / SLOF / include / ppc970 / cpu.h
diff --git a/qemu/roms/SLOF/include/ppc970/cpu.h b/qemu/roms/SLOF/include/ppc970/cpu.h
new file mode 100644 (file)
index 0000000..0e66dff
--- /dev/null
@@ -0,0 +1,113 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef __PPC970_H
+#define __PPC970_H
+
+/* SPRs numbers */
+
+#define CTRL_RD 136
+#define CTRL_WR 152
+#define PVR     287
+#define HSPRG0  304
+#define HSPRG1  305
+#define HIOR    311
+#define HID0    1008
+#define HID1    1009
+#define HID4    1012
+#define HID6    1017
+#define PIR     1023
+
+#define SETCI(r)       sync; \
+                       mfspr   r, HID4; \
+                       sync; \
+                       rldicl  r, r, 32,0; \
+                       ori     r, r, 0x0100; \
+                       rldicl  r, r, 32,0; \
+                       sync; \
+                       slbia; \
+                       mtspr   HID4, r; \
+                       isync; \
+                       eieio;
+
+#define CLRCI(r)       sync; \
+                       mfspr   r, HID4; \
+                       sync; \
+                       rldicl  r, r, 32, 0; \
+                       ori     r, r, 0x0100; \
+                       xori    r, r, 0x0100; \
+                       rldicl  r, r, 32, 0; \
+                       sync; \
+                       slbia; \
+                       mtspr   HID4, r; \
+                       isync; \
+                       eieio;
+
+/* This macro uses r0 */
+#define FLUSH_CACHE(r, n)      add     n, n, r; \
+                               addi    n, n, 127; \
+                               rlwinm  r, r, 0,0,24; \
+                               rlwinm  n, n, 0,0,24; \
+                               sub     n, n, r; \
+                               srwi    n, n, 7; \
+                               mtctr   n; \
+                       0:      dcbst   0, r; \
+                               sync; \
+                               icbi    0, r; \
+                               sync; \
+                               isync; \
+                               addi    r, r, 128; \
+                               bdnz    0b;
+
+#ifndef __ASSEMBLER__
+#define STRINGIFY(x...) #x
+#define EXPAND(x) STRINGIFY(x)
+
+static inline void
+set_ci(void)
+{
+       unsigned long tmp;
+       asm volatile(EXPAND(SETCI(%0)) : "=r"(tmp) :: "memory", "cc");
+}
+
+static inline void
+clr_ci(void)
+{
+       unsigned long tmp;
+       asm volatile(EXPAND(CLRCI(%0)) : "=r"(tmp) :: "memory", "cc");
+}
+
+static inline void eieio(void)
+{
+       asm volatile ("eieio":::"memory");
+}
+
+static inline void barrier(void)
+{
+       asm volatile("" : : : "memory");
+}
+#define cpu_relax() barrier()
+
+static inline void sync(void)
+{
+       asm volatile ("sync" ::: "memory");
+}
+#define mb() sync()
+
+static inline void flush_cache(void* r, long n)
+{
+       asm volatile(EXPAND(FLUSH_CACHE(%0, %1)) : "+r"(r), "+r"(n) :: "memory", "cc", "r0", "ctr");
+}
+
+#endif /* __ASSEMBLER__ */
+
+#endif