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Diffstat (limited to 'src/arch/ppc/lib/ppc.c')
-rw-r--r--src/arch/ppc/lib/ppc.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/arch/ppc/lib/ppc.c b/src/arch/ppc/lib/ppc.c
new file mode 100644
index 0000000000..6222536864
--- /dev/null
+++ b/src/arch/ppc/lib/ppc.c
@@ -0,0 +1,49 @@
+/* Copyright 2000 AG Electronics Ltd. */
+/* This code is distributed without warranty under the GPL v2 (see COPYING) */
+
+#include "ppc.h"
+#include "ppcreg.h"
+
+unsigned ppc_getmsr(void)
+{
+ unsigned result;
+ __asm__ volatile ("mfmsr %0" : "=r" (result));
+ return result;
+}
+
+unsigned ppc_gethid0(void)
+{
+ unsigned result;
+ __asm__ volatile ("mfspr %0,1008" : "=r" (result));
+ return result;
+}
+
+unsigned ppc_gethid1(void)
+{
+ unsigned result;
+ __asm__ volatile ("mfspr %0,1009" : "=r" (result));
+ return result;
+}
+
+void ppc_sethid0(unsigned value)
+{
+ __asm__ volatile ("mtspr 1008,%0" : : "r" (value));
+}
+
+unsigned ppc_getpvr(void)
+{
+ unsigned result;
+ __asm__("mfspr %0, 287" : "=r" (result));
+ return result;
+}
+
+void ppc_setmsr(unsigned value)
+{
+ __asm__ volatile ("mtmsr %0; sync" :: "r" (value));
+}
+
+void ppc_set1015(unsigned value)
+{
+ __asm__ volatile ("mtspr 1015,%0" : : "r" (value));
+}
+