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authorPaul Mackerras <paulus@samba.org>2005-10-06 10:59:19 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-06 10:59:19 +1000
commitb85a046af3a260e079505e8023ccd10e01cf4f2b (patch)
tree2f5f1af4db85fca6fc88902840463b107721cb14 /include/asm-powerpc
parent6ce52e6438fd2921891648ceab700d9b867e5ed2 (diff)
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>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r--include/asm-powerpc/ppc_asm.h28
1 files changed, 23 insertions, 5 deletions
diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h
index 4efa71878fa9..6cd52c130332 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 */