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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-28 00:06:28 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-28 00:06:28 +0200
commit5a99efeaa5c7139b7d76cbd5fb54fac664ba3da9 (patch)
treef86488005a159beb5e7fc733b3c5ab07fadb5cc2 /arch
parentMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/ne... (diff)
parent[SPARC32]: Make flush_tlb_kernel_range() an inline function. (diff)
downloadlinux-5a99efeaa5c7139b7d76cbd5fb54fac664ba3da9.tar.xz
linux-5a99efeaa5c7139b7d76cbd5fb54fac664ba3da9.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC32]: Make flush_tlb_kernel_range() an inline function. [SERIAL]: Fix 32-bit warnings in sunzilog.c and sunsu.c [SPARC32]: Kill unused vars and macros from prom/console.c [SPARC32]: Add __cmpdi2() libcall implementation ala. MIPS. [VIDEO]: Do not prom_halt() in cg3 and bw2 device probe. [SUNVDC]: Use slice 0xff on VD_DISK_TYPE_DISK.
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc/lib/Makefile3
-rw-r--r--arch/sparc/lib/cmpdi2.c27
-rw-r--r--arch/sparc/lib/libgcc.h18
-rw-r--r--arch/sparc/prom/console.c3
4 files changed, 47 insertions, 4 deletions
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index 9ddc5b9ce3bd..76effdbea075 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -8,6 +8,7 @@ lib-y := mul.o rem.o sdiv.o udiv.o umul.o urem.o ashrdi3.o memcpy.o memset.o \
strlen.o checksum.o blockops.o memscan.o memcmp.o strncmp.o \
strncpy_from_user.o divdi3.o udivdi3.o strlen_user.o \
copy_user.o locks.o atomic.o \
- lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o
+ lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o \
+ cmpdi2.o
obj-y += iomap.o atomic32.o
diff --git a/arch/sparc/lib/cmpdi2.c b/arch/sparc/lib/cmpdi2.c
new file mode 100644
index 000000000000..8c1306437ed1
--- /dev/null
+++ b/arch/sparc/lib/cmpdi2.c
@@ -0,0 +1,27 @@
+#include <linux/module.h>
+
+#include "libgcc.h"
+
+word_type __cmpdi2(long long a, long long b)
+{
+ const DWunion au = {
+ .ll = a
+ };
+ const DWunion bu = {
+ .ll = b
+ };
+
+ if (au.s.high < bu.s.high)
+ return 0;
+ else if (au.s.high > bu.s.high)
+ return 2;
+
+ if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
+ return 0;
+ else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
+ return 2;
+
+ return 1;
+}
+
+EXPORT_SYMBOL(__cmpdi2);
diff --git a/arch/sparc/lib/libgcc.h b/arch/sparc/lib/libgcc.h
new file mode 100644
index 000000000000..b84fd797f3ea
--- /dev/null
+++ b/arch/sparc/lib/libgcc.h
@@ -0,0 +1,18 @@
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#include <asm/byteorder.h>
+
+typedef int word_type __attribute__ ((mode (__word__)));
+
+struct DWstruct {
+ int high, low;
+};
+
+typedef union
+{
+ struct DWstruct s;
+ long long ll;
+} DWunion;
+
+#endif /* __ASM_LIBGCC_H */
diff --git a/arch/sparc/prom/console.c b/arch/sparc/prom/console.c
index 8d1cfb0d5068..2a007a784415 100644
--- a/arch/sparc/prom/console.c
+++ b/arch/sparc/prom/console.c
@@ -17,9 +17,6 @@
extern void restore_current(void);
-static char con_name_jmc[] = "/obio/su@"; /* "/obio/su@0,3002f8"; */
-#define CON_SIZE_JMC (sizeof(con_name_jmc))
-
/* Non blocking get character from console input device, returns -1
* if no input was taken. This can be used for polling.
*/