Commit 9f5a6912 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze 

* 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: add parameter to microblaze_read()
  microblaze: Use CFLAGS_KERNEL instead of CFLAGS
  microblaze: Add STATE_SAVE_ARG_SPACE for noMMU kernel too
  microblaze: Do not check use_dcache
  microblaze: Do not use PVR configuration for broken MB version
  microblaze: Fix USR1/2 pvr printing message
  microblaze: iowrite upon timeout
  microblaze: Correspond CONFIG...PCMP in Makefile/Kconfig
  microblaze: Remove redundant variable
  microblaze: Move start_thread to process.c
  microblaze: Add missing preadv and pwritev syscalls
  microblaze: Add missing declaration for die and _exception func
  microblaze: Remove sparse error in traps.c
  microblaze: Move task_pt_regs up
  microblaze: Rename kernel_mode to pt_mode in pt_regs
  microblaze: Remove uncache shadow condition
  microblaze: Remove while(1) loop from show_regs function
  microblaze: Remove unneded per cpu SYSCALL_SAVE variable
parents ef54b1bb f57f2fe2

arch/microblaze/Makefile

+3 −5
Original line number Diff line number Diff line
@@ -26,21 +26,19 @@ ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY))) 
endif

CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div

CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift

CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP) += -mxl-pattern-compare

CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare



CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))



# The various CONFIG_XILINX cpu features options are integers 0/1/2...

# rather than bools y/n

CFLAGS += $(CPUFLAGS-1)

CFLAGS += $(CPUFLAGS-2)



# r31 holds current when in kernel mode

CFLAGS += -ffixed-r31

CFLAGS_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)



LDFLAGS_BLOB := --format binary --oformat elf32-microblaze



LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)

LIBGCC := $(shell $(CC) $(CFLAGS_KERNEL) -print-libgcc-file-name)



head-y		:= arch/microblaze/kernel/head.o

libs-y		+= arch/microblaze/lib/ $(LIBGCC)

arch/microblaze/include/asm/cache.h

+0 −5
Original line number Diff line number Diff line
@@ -37,9 +37,4 @@ void _invalidate_dcache(unsigned int addr); 
#define __disable_dcache()		_disable_dcache()

#define __invalidate_dcache(addr)	_invalidate_dcache(addr)



/* FIXME - I don't think this is right */

#ifdef CONFIG_XILINX_UNCACHED_SHADOW

#define UNCACHED_SHADOW_MASK (CONFIG_XILINX_ERAM_SIZE)

#endif



#endif /* _ASM_MICROBLAZE_CACHE_H */

arch/microblaze/include/asm/entry.h

+3 −1
Original line number Diff line number Diff line
@@ -29,7 +29,9 @@ DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */ 
DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */

DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */

DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */

DECLARE_PER_CPU(unsigned int, SYSCALL_SAVE); /* Saved syscall number */

# endif /* __ASSEMBLY__ */



/* noMMU hasn't any space for args */

# define STATE_SAVE_ARG_SPACE	(0)



#endif /* _ASM_MICROBLAZE_ENTRY_H */

arch/microblaze/include/asm/exceptions.h

+3 −0
Original line number Diff line number Diff line
@@ -61,6 +61,9 @@ 
asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,

							int fsr, int addr);



void die(const char *str, struct pt_regs *fp, long err);

void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr);



#if defined(CONFIG_XMON)

extern void xmon(struct pt_regs *regs);

extern int xmon_bpt(struct pt_regs *regs);

arch/microblaze/include/asm/processor.h

+8 −13
Original line number Diff line number Diff line
@@ -15,6 +15,8 @@ 
#include <asm/setup.h>

#include <asm/registers.h>

#include <asm/segment.h>

#include <asm/entry.h>

#include <asm/current.h>



# ifndef __ASSEMBLY__

/* from kernel/cpu/mb.c */
@@ -26,6 +28,12 @@ extern const struct seq_operations cpuinfo_op; 


# endif /* __ASSEMBLY__ */



#define task_pt_regs(tsk) \

		(((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1)



/* Do necessary setup to start up a newly executed thread. */

void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp);



/*

 * User space process size: memory size

 *
@@ -55,16 +63,6 @@ struct task_struct; 
struct thread_struct { };

# define INIT_THREAD	{ }



/* Do necessary setup to start up a newly executed thread. */

static inline void start_thread(struct pt_regs *regs,

				unsigned long pc,

				unsigned long usp)

{

	regs->pc = pc;

	regs->r1 = usp;

	regs->kernel_mode = 0;

}



/* Free all resources held by a thread. */

static inline void release_thread(struct task_struct *dead_task)

{
@@ -84,9 +82,6 @@ extern unsigned long get_wchan(struct task_struct *p); 
 */

extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);



# define task_pt_regs(tsk) \

		(((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1)



# define KSTK_EIP(tsk)	(0)

# define KSTK_ESP(tsk)	(0)

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