diff options
Diffstat (limited to 'arch/frv')
| -rw-r--r-- | arch/frv/Kconfig | 1 | ||||
| -rw-r--r-- | arch/frv/boot/Makefile | 10 | ||||
| -rw-r--r-- | arch/frv/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/frv/include/asm/unistd.h | 4 | ||||
| -rw-r--r-- | arch/frv/include/uapi/asm/socket.h | 1 | ||||
| -rw-r--r-- | arch/frv/kernel/entry.S | 28 | ||||
| -rw-r--r-- | arch/frv/kernel/process.c | 46 | ||||
| -rw-r--r-- | arch/frv/mb93090-mb00/pci-dma-nommu.c | 1 |
8 files changed, 22 insertions, 70 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index b7412504f08a..df2eb4bd9fa2 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -13,6 +13,7 @@ config FRV select GENERIC_CPU_DEVICES select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE config ZONE_DMA bool diff --git a/arch/frv/boot/Makefile b/arch/frv/boot/Makefile index 6ae3254da019..636d5bbcd53f 100644 --- a/arch/frv/boot/Makefile +++ b/arch/frv/boot/Makefile @@ -17,6 +17,8 @@ PARAMS_PHYS = 0x0207c000 INITRD_PHYS = 0x02180000 INITRD_VIRT = 0x02180000 +OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment + # # If you don't define ZRELADDR above, # then it defaults to ZTEXTADDR @@ -32,18 +34,18 @@ Image: $(obj)/Image targets: $(obj)/Image $(obj)/Image: vmlinux FORCE - $(OBJCOPY) -O binary -R .note -R .comment -S vmlinux $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S vmlinux $@ #$(obj)/Image: $(CONFIGURE) $(SYSTEM) -# $(OBJCOPY) -O binary -R .note -R .comment -g -S $(SYSTEM) $@ +# $(OBJCOPY) $(OBJCOPYFLAGS) -g -S $(SYSTEM) $@ bzImage: zImage zImage: $(CONFIGURE) compressed/$(LINUX) - $(OBJCOPY) -O binary -R .note -R .comment -S compressed/$(LINUX) $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S compressed/$(LINUX) $@ bootpImage: bootp/bootp - $(OBJCOPY) -O binary -R .note -R .comment -S bootp/bootp $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S bootp/bootp $@ compressed/$(LINUX): $(LINUX) dep @$(MAKE) -C compressed $(LINUX) diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 4a159da23633..c5d767028306 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -1,3 +1,4 @@ generic-y += clkdev.h generic-y += exec.h +generic-y += trace_clock.h diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index 266a5b25a0c1..1807d8ea8cb5 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -30,7 +30,9 @@ #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_SYS_EXECVE -#define __ARCH_WANT_KERNEL_EXECVE +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_CLONE /* * "Conditional" syscalls diff --git a/arch/frv/include/uapi/asm/socket.h b/arch/frv/include/uapi/asm/socket.h index a5b1d7dbb205..871f89b7fbda 100644 --- a/arch/frv/include/uapi/asm/socket.h +++ b/arch/frv/include/uapi/asm/socket.h @@ -40,6 +40,7 @@ /* Socket filtering */ #define SO_ATTACH_FILTER 26 #define SO_DETACH_FILTER 27 +#define SO_GET_FILTER SO_ATTACH_FILTER #define SO_PEERNAME 28 #define SO_TIMESTAMP 29 diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index ee0beb354e4d..dfcd263c0517 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -869,11 +869,6 @@ ret_from_kernel_thread: call schedule_tail calll.p @(gr21,gr0) or gr20,gr20,gr8 - bra sys_exit - - .globl ret_from_kernel_execve -ret_from_kernel_execve: - ori gr28,0,sp bra __syscall_exit ################################################################################################### @@ -1080,27 +1075,10 @@ __entry_return_from_kernel_interrupt: subicc gr5,#0,gr0,icc0 beq icc0,#0,__entry_return_direct -__entry_preempt_need_resched: - ldi @(gr15,#TI_FLAGS),gr4 - andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 - beq icc0,#1,__entry_return_direct - - setlos #PREEMPT_ACTIVE,gr5 - sti gr5,@(gr15,#TI_FLAGS) - - andi gr23,#~PSR_PIL,gr23 - movgs gr23,psr - - call schedule - sti gr0,@(gr15,#TI_PRE_COUNT) - - movsg psr,gr23 - ori gr23,#PSR_PIL_14,gr23 - movgs gr23,psr - bra __entry_preempt_need_resched -#else - bra __entry_return_direct + subcc gr0,gr0,gr0,icc2 /* set Z and clear C */ + call preempt_schedule_irq #endif + bra __entry_return_direct ############################################################################### diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index e1e3aa196aa4..23916b2a12a2 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -139,49 +139,20 @@ inline unsigned long user_stack(const struct pt_regs *regs) return user_mode(regs) ? regs->sp : 0; } -asmlinkage int sys_fork(void) -{ -#ifndef CONFIG_MMU - /* fork almost works, enough to trick you into looking elsewhere:-( */ - return -EINVAL; -#else - return do_fork(SIGCHLD, user_stack(__frame), __frame, 0, NULL, NULL); -#endif -} - -asmlinkage int sys_vfork(void) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, user_stack(__frame), __frame, 0, - NULL, NULL); -} - -/*****************************************************************************/ -/* - * clone a process - * - tlsptr is retrieved by copy_thread() - */ -asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, - int __user *parent_tidptr, int __user *child_tidptr, - int __user *tlsptr) -{ - if (!newsp) - newsp = user_stack(__frame); - return do_fork(clone_flags, newsp, __frame, 0, parent_tidptr, child_tidptr); -} /* end sys_clone() */ - /* * set up the kernel stack and exception frames for a new process */ int copy_thread(unsigned long clone_flags, unsigned long usp, unsigned long arg, - struct task_struct *p, struct pt_regs *regs) + struct task_struct *p) { struct pt_regs *childregs; childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE); - p->set_child_tid = p->clear_child_tid = NULL; + /* set up the userspace frame (the only place that the USP is stored) */ + *childregs = *current_pt_regs(); p->thread.frame = childregs; p->thread.curr = p; @@ -190,20 +161,15 @@ int copy_thread(unsigned long clone_flags, p->thread.lr = 0; p->thread.frame0 = childregs; - if (unlikely(!regs)) { - memset(childregs, 0, sizeof(struct pt_regs)); + if (unlikely(p->flags & PF_KTHREAD)) { childregs->gr9 = usp; /* function */ childregs->gr8 = arg; - childregs->psr = PSR_S; p->thread.pc = (unsigned long) ret_from_kernel_thread; save_user_regs(p->thread.user); return 0; } - - /* set up the userspace frame (the only place that the USP is stored) */ - *childregs = *regs; - - childregs->sp = usp; + if (usp) + childregs->sp = usp; childregs->next_frame = NULL; p->thread.pc = (unsigned long) ret_from_fork; diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c index e47857f889b6..b99c2a7cc7a4 100644 --- a/arch/frv/mb93090-mb00/pci-dma-nommu.c +++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/slab.h> +#include <linux/export.h> #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> |