powerpc: Define 32/64 bit asm macros and use them in fpu.S
These macros help in writing assembly code that works for both ppc32
and ppc64. With this we now have a common fpu.S. This takes out
load_up_fpu from head_64.S.
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h
index 4efa718..6cd52c1 100644
--- a/include/asm-powerpc/ppc_asm.h
+++ b/include/asm-powerpc/ppc_asm.h
@@ -103,12 +103,13 @@
oris rn,rn,name##@h; \
ori rn,rn,name##@l
-#define LOADBASE(rn,name) \
- lis rn,name@highest; \
- ori rn,rn,name@higher; \
- rldicr rn,rn,32,31; \
- oris rn,rn,name@ha
+#define LOADBASE(rn,name) \
+ .section .toc,"aw"; \
+1: .tc name[TC],name; \
+ .previous; \
+ ld rn,1b@toc(r2)
+#define OFF(name) 0
#define SET_REG_TO_CONST(reg, value) \
lis reg,(((value)>>48)&0xFFFF); \
@@ -123,6 +124,23 @@
rldicr reg,reg,32,31; \
oris reg,reg,(label)@h; \
ori reg,reg,(label)@l;
+
+/* operations for longs and pointers */
+#define LDL ld
+#define STL std
+#define CMPI cmpdi
+
+#else /* 32-bit */
+#define LOADBASE(rn,name) \
+ lis rn,name@ha
+
+#define OFF(name) name@l
+
+/* operations for longs and pointers */
+#define LDL lwz
+#define STL stw
+#define CMPI cmpwi
+
#endif
/* various errata or part fixups */