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authorHelge Deller <deller@gmx.de>2007-01-28 14:52:57 +0100
committerKyle McMartin <kyle@athena.road.mcmartin.ca>2007-02-17 01:16:26 -0500
commit0b3d643f9ead9b5141dedbb2d1b06ce15469fc4a (patch)
tree3be51559fb366dea87dc0eacfea2f94c15190875 /arch/parisc/lib/memcpy.c
parent[PARISC] more ENTRY(), ENDPROC(), END() conversions (diff)
downloadlinux-dev-0b3d643f9ead9b5141dedbb2d1b06ce15469fc4a.tar.xz
linux-dev-0b3d643f9ead9b5141dedbb2d1b06ce15469fc4a.zip
[PARISC] add ASM_EXCEPTIONTABLE_ENTRY() macro
- this macro unifies the code to add exception table entries - additionally use ENTRY()/ENDPROC() at more places Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/parisc/lib/memcpy.c38
1 files changed, 10 insertions, 28 deletions
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index 5575e41f9d60..2c43ebe99a9c 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -96,30 +96,18 @@ DECLARE_PER_CPU(struct exception_data, exception_data);
#define DPRINTF(fmt, args...)
#endif
-#ifndef __LP64__
-#define EXC_WORD ".word"
-#else
-#define EXC_WORD ".dword"
-#endif
-
#define def_load_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: _tt(_t), "+r"(_a) \
: \
: "r8")
#define def_store_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: "+r"(_a) \
: _tt(_t) \
: "r8")
@@ -133,22 +121,16 @@ DECLARE_PER_CPU(struct exception_data, exception_data);
#define def_load_insn(_insn,_tt,_s,_o,_a,_t,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn " " #_o "(" _s ",%1), %0\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn " " #_o "(" _s ",%1), %0\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: _tt(_t) \
: "r"(_a) \
: "r8")
#define def_store_insn(_insn,_tt,_s,_t,_o,_a,_e) \
__asm__ __volatile__ ( \
- "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n" \
- "\t.section __ex_table,\"aw\"\n" \
- "\t" EXC_WORD "\t1b\n" \
- "\t" EXC_WORD "\t" #_e "\n" \
- "\t.previous\n" \
+ "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n\t" \
+ ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \
: \
: _tt(_t), "r"(_a) \
: "r8")
@@ -167,8 +149,8 @@ extern inline void prefetch_dst(const void *addr)
__asm__("ldd 0(" d_space ",%0), %%r0" : : "r" (addr));
}
#else
-#define prefetch_src(addr)
-#define prefetch_dst(addr)
+#define prefetch_src(addr) do { } while(0)
+#define prefetch_dst(addr) do { } while(0)
#endif
/* Copy from a not-aligned src to an aligned dst, using shifts. Handles 4 words