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authorDavid S. Miller <davem@davemloft.net>2012-05-11 20:57:29 -0700
committerDavid S. Miller <davem@davemloft.net>2012-05-11 20:57:29 -0700
commit59a0c3d91e038f97be5df5243a41a0e33db53122 (patch)
tree608a231ebe20634c81049c2bd177f400f1c7a9b5
parent4419f11b45e2f1fdcdc8e29fae5900de4b8ef461 (diff)
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sparc32: Put back SPARC_BRANCH.
It's needed for the floppy interrupt trap table patching. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/include/asm/traps.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h
index 5fac90f18da3..3aa62dde343f 100644
--- a/arch/sparc/include/asm/traps.h
+++ b/arch/sparc/include/asm/traps.h
@@ -31,6 +31,13 @@ extern struct tt_entry *sparc_ttable;
#define SPARC_MOV_CONST_L3(const) (0xa6102000 | (const&0xfff))
+/* The following assumes that the branch lies before the place we
+ * are branching to. This is the case for a trap vector...
+ * You have been warned.
+ */
+#define SPARC_BRANCH(dest_addr, inst_addr) \
+ (0x10800000 | (((dest_addr-inst_addr)>>2)&0x3fffff))
+
#define SPARC_RD_PSR_L0 (0xa1480000)
#define SPARC_RD_WIM_L3 (0xa7500000)
#define SPARC_NOP (0x01000000)