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-rw-r--r--src/arch/ppc/include/ppc.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/arch/ppc/include/ppc.h b/src/arch/ppc/include/ppc.h
index 8213d47e3a..d35eb70c54 100644
--- a/src/arch/ppc/include/ppc.h
+++ b/src/arch/ppc/include/ppc.h
@@ -10,9 +10,12 @@
/* stringify is needed for macro expansion */
#define stringify(x) #x
-#define ppc_getdcr(reg) ({unsigned int result; \
+#define mfdcr(reg) ({unsigned int result; \
__asm__ volatile("mfdcr %0, " stringify(reg) \
- : "=r" (result)); result;})
+ : "=r" (result)); result;})
+
+#define mtdcr(reg, v) asm volatile("mtdcr " stringify(reg) ",%0" \
+ : : "r" (v))
extern unsigned ppc_getmsr(void);
extern unsigned ppc_gethid0(void);