Commit 8945546d authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'for-linus-20130929' of git://github.com/sctscore/official-linux 

Pull S+core fixes from Lennox Wu:
 "These updates include updating information of maintainers, fix some
  trivial errors, and add a necessary function for supporting ipv6"

* tag 'for-linus-20130929' of git://github.com/sctscore/official-linux:
  Score: Update the information of Score maintaners
  Score: Modify the Makefile of Score, remove -mlong-calls for compiling
  Score: Implement the function csum_ipv6_magic
  Score: The commit is for compiling successfully
parents 815a4bb1 ed38665e

MAINTAINERS

+2 −2
Original line number Diff line number Diff line
@@ -7271,9 +7271,9 @@ F: include/linux/sched.h 
F:	include/uapi/linux/sched.h



SCORE ARCHITECTURE

M:	Chen Liqin <liqin.chen@sunplusct.com>

M:	Chen Liqin <liqin.linux@gmail.com>

M:	Lennox Wu <lennox.wu@gmail.com>

W:	http://www.sunplusct.com

W:	http://www.sunplus.com

S:	Supported

F:	arch/score/

arch/score/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -2,6 +2,7 @@ menu "Machine selection" 


config SCORE

       def_bool y

       select HAVE_GENERIC_HARDIRQS

       select GENERIC_IRQ_SHOW

       select GENERIC_IOMAP

       select GENERIC_ATOMIC64
@@ -110,3 +111,6 @@ source "security/Kconfig" 
source "crypto/Kconfig"



source "lib/Kconfig"



config NO_IOMEM

       def_bool y

arch/score/Makefile

+2 −2
Original line number Diff line number Diff line
@@ -20,8 +20,8 @@ cflags-y += -G0 -pipe -mel -mnhwloop -D__SCOREEL__ \ 
#

KBUILD_AFLAGS += $(cflags-y)

KBUILD_CFLAGS += $(cflags-y)

KBUILD_AFLAGS_MODULE += -mlong-calls

KBUILD_CFLAGS_MODULE += -mlong-calls

KBUILD_AFLAGS_MODULE +=

KBUILD_CFLAGS_MODULE +=

LDFLAGS += --oformat elf32-littlescore

LDFLAGS_vmlinux	+= -G0 -static -nostdlib

arch/score/include/asm/checksum.h

+51 −42
Original line number Diff line number Diff line
@@ -184,48 +184,57 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, 
				__wsum sum)

{

	__asm__ __volatile__(

		".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t"

		".set\tnoat\n\t"

		"addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t"

		"sltu\t$1, %0, %5\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %6\t\t\t# csum\n\t"

		"sltu\t$1, %0, %6\n\t"

		"lw\t%1, 0(%2)\t\t\t# four words source address\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"lw\t%1, 4(%2)\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"lw\t%1, 8(%2)\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"lw\t%1, 12(%2)\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"lw\t%1, 0(%3)\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"lw\t%1, 4(%3)\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"lw\t%1, 8(%3)\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"lw\t%1, 12(%3)\n\t"

		"addu\t%0, $1\n\t"

		"addu\t%0, %1\n\t"

		"sltu\t$1, %0, %1\n\t"

		"addu\t%0, $1\t\t\t# Add final carry\n\t"

		".set\tnoat\n\t"

		".set\tnoreorder"

		".set\tvolatile\t\t\t# csum_ipv6_magic\n\t"

		"add\t%0, %0, %5\t\t\t# proto (long in network byte order)\n\t"

		"cmp.c\t%5, %0\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %6\t\t\t# csum\n\t"

		"cmp.c\t%6, %0\n\t"

		"lw\t%1, [%2, 0]\t\t\t# four words source address\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %1\n\t"

		"cmp.c\t%1, %0\n\t"

		"1:lw\t%1, [%2, 4]\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %1\n\t"

		"cmp.c\t%1, %0\n\t"

		"lw\t%1, [%2,8]\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %1\n\t"

		"cmp.c\t%1, %0\n\t"

		"lw\t%1, [%2, 12]\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0,%1\n\t"

		"cmp.c\t%1, %0\n\t"

		"lw\t%1, [%3, 0]\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %1\n\t"

		"cmp.c\t%1, %0\n\t"

		"lw\t%1, [%3, 4]\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %1\n\t"

		"cmp.c\t%1, %0\n\t"

		"lw\t%1, [%3, 8]\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %1\n\t"

		"cmp.c\t%1, %0\n\t"

		"lw\t%1, [%3, 12]\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:add\t%0, %0, %1\n\t"

		"cmp.c\t%1, %0\n\t"

		"bleu 1f\n\t"

		"addi\t%0, 0x1\n\t"

		"1:\n\t"

		".set\toptimize"

		: "=r" (sum), "=r" (proto)

		: "r" (saddr), "r" (daddr),

		  "0" (htonl(len)), "1" (htonl(proto)), "r" (sum));

arch/score/include/asm/io.h

+0 −1
Original line number Diff line number Diff line
@@ -5,5 +5,4 @@ 


#define virt_to_bus	virt_to_phys

#define bus_to_virt	phys_to_virt



#endif /* _ASM_SCORE_IO_H */

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