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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
This commit is contained in:
commit
8945546d90
8 changed files with 64 additions and 52 deletions
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@ -7271,9 +7271,9 @@ F: include/linux/sched.h
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F: include/uapi/linux/sched.h
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SCORE ARCHITECTURE
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M: Chen Liqin <liqin.chen@sunplusct.com>
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M: Chen Liqin <liqin.linux@gmail.com>
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M: Lennox Wu <lennox.wu@gmail.com>
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W: http://www.sunplusct.com
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W: http://www.sunplus.com
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S: Supported
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F: arch/score/
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@ -2,6 +2,7 @@ menu "Machine selection"
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config SCORE
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def_bool y
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select HAVE_GENERIC_HARDIRQS
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select GENERIC_IRQ_SHOW
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select GENERIC_IOMAP
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select GENERIC_ATOMIC64
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@ -110,3 +111,6 @@ source "security/Kconfig"
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source "crypto/Kconfig"
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source "lib/Kconfig"
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config NO_IOMEM
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def_bool y
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@ -20,8 +20,8 @@ cflags-y += -G0 -pipe -mel -mnhwloop -D__SCOREEL__ \
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#
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KBUILD_AFLAGS += $(cflags-y)
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KBUILD_CFLAGS += $(cflags-y)
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KBUILD_AFLAGS_MODULE += -mlong-calls
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KBUILD_CFLAGS_MODULE += -mlong-calls
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KBUILD_AFLAGS_MODULE +=
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KBUILD_CFLAGS_MODULE +=
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LDFLAGS += --oformat elf32-littlescore
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LDFLAGS_vmlinux += -G0 -static -nostdlib
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@ -184,48 +184,57 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
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__wsum sum)
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{
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__asm__ __volatile__(
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".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t"
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".set\tnoat\n\t"
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"addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t"
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"sltu\t$1, %0, %5\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %6\t\t\t# csum\n\t"
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"sltu\t$1, %0, %6\n\t"
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"lw\t%1, 0(%2)\t\t\t# four words source address\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"lw\t%1, 4(%2)\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"lw\t%1, 8(%2)\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"lw\t%1, 12(%2)\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"lw\t%1, 0(%3)\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"lw\t%1, 4(%3)\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"lw\t%1, 8(%3)\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"lw\t%1, 12(%3)\n\t"
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"addu\t%0, $1\n\t"
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"addu\t%0, %1\n\t"
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"sltu\t$1, %0, %1\n\t"
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"addu\t%0, $1\t\t\t# Add final carry\n\t"
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".set\tnoat\n\t"
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".set\tnoreorder"
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".set\tvolatile\t\t\t# csum_ipv6_magic\n\t"
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"add\t%0, %0, %5\t\t\t# proto (long in network byte order)\n\t"
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"cmp.c\t%5, %0\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %6\t\t\t# csum\n\t"
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"cmp.c\t%6, %0\n\t"
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"lw\t%1, [%2, 0]\t\t\t# four words source address\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %1\n\t"
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"cmp.c\t%1, %0\n\t"
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"1:lw\t%1, [%2, 4]\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %1\n\t"
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"cmp.c\t%1, %0\n\t"
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"lw\t%1, [%2,8]\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %1\n\t"
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"cmp.c\t%1, %0\n\t"
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"lw\t%1, [%2, 12]\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0,%1\n\t"
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"cmp.c\t%1, %0\n\t"
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"lw\t%1, [%3, 0]\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %1\n\t"
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"cmp.c\t%1, %0\n\t"
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"lw\t%1, [%3, 4]\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %1\n\t"
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"cmp.c\t%1, %0\n\t"
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"lw\t%1, [%3, 8]\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %1\n\t"
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"cmp.c\t%1, %0\n\t"
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"lw\t%1, [%3, 12]\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:add\t%0, %0, %1\n\t"
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"cmp.c\t%1, %0\n\t"
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"bleu 1f\n\t"
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"addi\t%0, 0x1\n\t"
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"1:\n\t"
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".set\toptimize"
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: "=r" (sum), "=r" (proto)
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: "r" (saddr), "r" (daddr),
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"0" (htonl(len)), "1" (htonl(proto)), "r" (sum));
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@ -5,5 +5,4 @@
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#define virt_to_bus virt_to_phys
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#define bus_to_virt phys_to_virt
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#endif /* _ASM_SCORE_IO_H */
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@ -2,7 +2,7 @@
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#define _ASM_SCORE_PGALLOC_H
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#include <linux/mm.h>
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#include <linux/highmem.h>
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static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
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pte_t *pte)
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{
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@ -264,7 +264,7 @@ resume_kernel:
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disable_irq
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lw r8, [r28, TI_PRE_COUNT]
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cmpz.c r8
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bne r8, restore_all
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bne restore_all
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need_resched:
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lw r8, [r28, TI_FLAGS]
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andri.c r9, r8, _TIF_NEED_RESCHED
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@ -415,7 +415,7 @@ ENTRY(handle_sys)
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sw r9, [r0, PT_EPC]
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cmpi.c r27, __NR_syscalls # check syscall number
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bgeu illegal_syscall
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bcs illegal_syscall
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slli r8, r27, 2 # get syscall routine
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la r11, sys_call_table
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@ -78,8 +78,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
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p->thread.reg0 = (unsigned long) childregs;
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if (unlikely(p->flags & PF_KTHREAD)) {
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memset(childregs, 0, sizeof(struct pt_regs));
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p->thread->reg12 = usp;
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p->thread->reg13 = arg;
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p->thread.reg12 = usp;
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p->thread.reg13 = arg;
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p->thread.reg3 = (unsigned long) ret_from_kernel_thread;
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} else {
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*childregs = *current_pt_regs();
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