The patch "MIPS: CPS: Early debug using an ns16550-compatible UART" in
linux-next causes a build warning in locore.S by adding an identical
definition of CP0_EBASE in asm/mipsregs.h.
arch/mips/kvm/locore.S:41:0: warning: "CP0_EBASE" redefined
#define CP0_EBASE $15,1
^
In file included from ./arch/mips/include/asm/msa.h:13:0,
from ./arch/mips/include/asm/asmmacro.h:13,
from arch/mips/kvm/locore.S:13:
./arch/mips/include/asm/mipsregs.h:62:0: note: this is the location of the
previous definition
#define CP0_EBASE $15, 1
^
Remove the definition in locore.S and move a few of the other similar
definitions in asm/mipsregs.h too. CP0_INTCTL, CP0_SRSCTL, & CP0_SRSMAP
are unused so they're just dropped instead. CP0_DDATA_LO is left where
it is as I have patches to eliminate its use in locore.S and it
otherwise is unlikely to need to be used from assembly code.
Fixes: "MIPS: CPS: Early debug using an ns16550-compatible UART"
Signed-off-by: James Hogan <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: Gleb Natapov <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
Ralf: Please can you take this patch, as the thing it fixes is in the
mips-for-linux-next branch.
---
arch/mips/include/asm/mipsregs.h | 3 +++
arch/mips/kvm/locore.S | 8 --------
2 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index e7c1e28438e0..e43aca183c99 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -50,6 +50,7 @@
#define CP0_PAGEMASK $5
#define CP0_WIRED $6
#define CP0_INFO $7
+#define CP0_HWRENA $7, 0
#define CP0_BADVADDR $8
#define CP0_BADINSTR $8, 1
#define CP0_COUNT $9
@@ -62,6 +63,8 @@
#define CP0_EBASE $15, 1
#define CP0_CMGCRBASE $15, 3
#define CP0_CONFIG $16
+#define CP0_CONFIG3 $16, 3
+#define CP0_CONFIG5 $16, 5
#define CP0_LLADDR $17
#define CP0_WATCHLO $18
#define CP0_WATCHHI $19
diff --git a/arch/mips/kvm/locore.S b/arch/mips/kvm/locore.S
index c567240386a0..7bab3a4e8f7d 100644
--- a/arch/mips/kvm/locore.S
+++ b/arch/mips/kvm/locore.S
@@ -36,14 +36,6 @@
#define PT_HOST_USERLOCAL PT_EPC
#define CP0_DDATA_LO $28,3
-#define CP0_CONFIG3 $16,3
-#define CP0_CONFIG5 $16,5
-#define CP0_EBASE $15,1
-
-#define CP0_INTCTL $12,1
-#define CP0_SRSCTL $12,2
-#define CP0_SRSMAP $12,3
-#define CP0_HWRENA $7,0
/* Resume Flags */
#define RESUME_FLAG_HOST (1<<1) /* Resume host? */
--
2.4.10
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