From 808fa62f1b0f75eef76aa3a7682a8fd89eae581f Mon Sep 17 00:00:00 2001 From: Christian Dietrich Date: Wed, 4 Aug 2010 14:41:34 +0200 Subject: m68k: Remove dead GG2 config option CONFIG_GG2 doesn't exist in Kconfig, therefore remove all references to it from the source. Signed-off-by: Christian Dietrich Signed-off-by: Geert Uytterhoeven --- arch/m68k/Kconfig | 4 ++-- arch/m68k/include/asm/amigahw.h | 1 - arch/m68k/include/asm/io_mm.h | 39 +-------------------------------------- arch/m68k/kernel/setup.c | 6 ------ 4 files changed, 3 insertions(+), 47 deletions(-) diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 8030e24..77bb0d6 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -434,7 +434,7 @@ config PROC_HARDWARE config ISA bool - depends on Q40 || AMIGA_PCMCIA || GG2 + depends on Q40 || AMIGA_PCMCIA default y help Find out whether you have ISA slots on your motherboard. ISA is the @@ -445,7 +445,7 @@ config ISA config GENERIC_ISA_DMA bool - depends on Q40 || AMIGA_PCMCIA || GG2 + depends on Q40 || AMIGA_PCMCIA default y config ZONE_DMA diff --git a/arch/m68k/include/asm/amigahw.h b/arch/m68k/include/asm/amigahw.h index 5ca5dd9..7a19b56 100644 --- a/arch/m68k/include/asm/amigahw.h +++ b/arch/m68k/include/asm/amigahw.h @@ -102,7 +102,6 @@ struct amiga_hw_present { AMIGAHW_DECLARE(ALICE_NTSC); /* NTSC Alice (8374) */ AMIGAHW_DECLARE(MAGIC_REKICK); /* A3000 Magic Hard Rekick */ AMIGAHW_DECLARE(PCMCIA); /* PCMCIA Slot */ - AMIGAHW_DECLARE(GG2_ISA); /* GG2 Zorro2ISA Bridge */ AMIGAHW_DECLARE(ZORRO); /* Zorro AutoConfig */ AMIGAHW_DECLARE(ZORRO3); /* Zorro III */ }; diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 9e673e3..125cb60 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -49,23 +49,6 @@ #define MULTI_ISA 0 #endif /* Q40 */ -/* GG-II Zorro to ISA bridge */ -#ifdef CONFIG_GG2 - -extern unsigned long gg2_isa_base; -#define GG2_ISA_IO_B(ioaddr) (gg2_isa_base+1+((unsigned long)(ioaddr)*4)) -#define GG2_ISA_IO_W(ioaddr) (gg2_isa_base+ ((unsigned long)(ioaddr)*4)) -#define GG2_ISA_MEM_B(madr) (gg2_isa_base+1+(((unsigned long)(madr)*4) & 0xfffff)) -#define GG2_ISA_MEM_W(madr) (gg2_isa_base+ (((unsigned long)(madr)*4) & 0xfffff)) - -#ifndef MULTI_ISA -#define MULTI_ISA 0 -#else -#undef MULTI_ISA -#define MULTI_ISA 1 -#endif -#endif /* GG2 */ - #ifdef CONFIG_AMIGA_PCMCIA #include @@ -89,8 +72,7 @@ extern unsigned long gg2_isa_base; #endif #define ISA_TYPE_Q40 (1) -#define ISA_TYPE_GG2 (2) -#define ISA_TYPE_AG (3) +#define ISA_TYPE_AG (2) #if defined(CONFIG_Q40) && !defined(MULTI_ISA) #define ISA_TYPE ISA_TYPE_Q40 @@ -100,10 +82,6 @@ extern unsigned long gg2_isa_base; #define ISA_TYPE ISA_TYPE_AG #define ISA_SEX 1 #endif -#if defined(CONFIG_GG2) && !defined(MULTI_ISA) -#define ISA_TYPE ISA_TYPE_GG2 -#define ISA_SEX 0 -#endif #ifdef MULTI_ISA extern int isa_type; @@ -125,9 +103,6 @@ static inline u8 __iomem *isa_itb(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_IO_B(addr); #endif -#ifdef CONFIG_GG2 - case ISA_TYPE_GG2: return (u8 __iomem *)GG2_ISA_IO_B(addr); -#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)AG_ISA_IO_B(addr); #endif @@ -141,9 +116,6 @@ static inline u16 __iomem *isa_itw(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_IO_W(addr); #endif -#ifdef CONFIG_GG2 - case ISA_TYPE_GG2: return (u16 __iomem *)GG2_ISA_IO_W(addr); -#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)AG_ISA_IO_W(addr); #endif @@ -167,9 +139,6 @@ static inline u8 __iomem *isa_mtb(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_MEM_B(addr); #endif -#ifdef CONFIG_GG2 - case ISA_TYPE_GG2: return (u8 __iomem *)GG2_ISA_MEM_B(addr); -#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)addr; #endif @@ -183,9 +152,6 @@ static inline u16 __iomem *isa_mtw(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_MEM_W(addr); #endif -#ifdef CONFIG_GG2 - case ISA_TYPE_GG2: return (u16 __iomem *)GG2_ISA_MEM_W(addr); -#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)addr; #endif @@ -217,9 +183,6 @@ static inline void isa_delay(void) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: isa_outb(0,0x80); break; #endif -#ifdef CONFIG_GG2 - case ISA_TYPE_GG2: break; -#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: break; #endif diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index 303730a..b3963ab 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -359,12 +359,6 @@ void __init setup_arch(char **cmdline_p) isa_type = ISA_TYPE_Q40; isa_sex = 0; } -#ifdef CONFIG_GG2 - if (MACH_IS_AMIGA && AMIGAHW_PRESENT(GG2_ISA)) { - isa_type = ISA_TYPE_GG2; - isa_sex = 0; - } -#endif #ifdef CONFIG_AMIGA_PCMCIA if (MACH_IS_AMIGA && AMIGAHW_PRESENT(PCMCIA)) { isa_type = ISA_TYPE_AG; -- cgit v1.1 From 03e4012c6df858ace45bd8571be59d0c6021ad55 Mon Sep 17 00:00:00 2001 From: Jeff Mahoney Date: Fri, 20 Aug 2010 17:14:09 -0400 Subject: m68k: Use asm-generic/ioctls.h (enables termiox) This patch converts m68k to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - m68k defines its own value for FIOQSIZE, asm-generic/ioctls.h keeps it - The generic version adds TIOCSRS485 and TIOCGRS485m which are unused by any driver available on this architecture. - The generic version adds support for termiox Cc: Geert Uytterhoeven Cc: Roman Zippel Cc: Greg Kroah-Hartman Signed-off-by: Jeff Mahoney Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/ioctls.h | 80 +----------------------------------------- 1 file changed, 1 insertion(+), 79 deletions(-) diff --git a/arch/m68k/include/asm/ioctls.h b/arch/m68k/include/asm/ioctls.h index 91a57d6..1332bb4 100644 --- a/arch/m68k/include/asm/ioctls.h +++ b/arch/m68k/include/asm/ioctls.h @@ -1,86 +1,8 @@ #ifndef __ARCH_M68K_IOCTLS_H__ #define __ARCH_M68K_IOCTLS_H__ -#include - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ #define FIOQSIZE 0x545E -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include #endif /* __ARCH_M68K_IOCTLS_H__ */ -- cgit v1.1 From a8a6aa0f060e98f9af170c0905d3d5af3b3fa21d Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 7 Sep 2010 15:49:00 +1000 Subject: m68k: move definition of THREAD_SIZE into thread_info_mm.h Move the definition of THREAD_SIZE from page_mm.h to thread_info_mm.h This logically associates it with the other thread definitions, and will make it easier to merge the MMU and non-MMU versions of page.h and thread_info.h. Signed-off-by: Greg Ungerer Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/page_mm.h | 6 ------ arch/m68k/include/asm/thread_info_mm.h | 5 +++++ 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index d009f3e..eeb6764 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -14,12 +14,6 @@ #include -#if PAGE_SHIFT < 13 -#define THREAD_SIZE (8192) -#else -#define THREAD_SIZE PAGE_SIZE -#endif - #ifndef __ASSEMBLY__ #include diff --git a/arch/m68k/include/asm/thread_info_mm.h b/arch/m68k/include/asm/thread_info_mm.h index 3bf31dc..d08046c 100644 --- a/arch/m68k/include/asm/thread_info_mm.h +++ b/arch/m68k/include/asm/thread_info_mm.h @@ -34,6 +34,11 @@ struct thread_info { } /* THREAD_SIZE should be 8k, so handle differently for 4k and 8k machines */ +#if PAGE_SHIFT < 13 +#define THREAD_SIZE (8192) +#else +#define THREAD_SIZE PAGE_SIZE +#endif #define THREAD_SIZE_ORDER (13 - PAGE_SHIFT) #define init_thread_info (init_task.thread.info) -- cgit v1.1 From 5bc5a70b62e5b672e40dd031da3e0444f62dbd3a Mon Sep 17 00:00:00 2001 From: Christian Dietrich Date: Wed, 4 Aug 2010 14:41:45 +0200 Subject: m68k/m68knommu: Remove dead SMP config option CONFIG_SMP doesn't exist in Kconfig (for this architecure), therefore remove all references to it from the source. Signed-off-by: Christian Dietrich Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/system_mm.h | 2 -- arch/m68k/include/asm/system_no.h | 9 --------- arch/m68k/kernel/time.c | 2 -- arch/m68k/sun3/sun3ints.c | 2 -- arch/m68knommu/kernel/time.c | 3 +-- 5 files changed, 1 insertion(+), 17 deletions(-) diff --git a/arch/m68k/include/asm/system_mm.h b/arch/m68k/include/asm/system_mm.h index dbb6515..485daec 100644 --- a/arch/m68k/include/asm/system_mm.h +++ b/arch/m68k/include/asm/system_mm.h @@ -205,9 +205,7 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old, ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ (unsigned long)(n), sizeof(*(ptr)))) -#ifndef CONFIG_SMP #include -#endif #endif diff --git a/arch/m68k/include/asm/system_no.h b/arch/m68k/include/asm/system_no.h index 3c0718d..08f31bd 100644 --- a/arch/m68k/include/asm/system_no.h +++ b/arch/m68k/include/asm/system_no.h @@ -106,17 +106,10 @@ asmlinkage void resume(void); #define wmb() asm volatile ("" : : :"memory") #define set_mb(var, value) ({ (var) = (value); wmb(); }) -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#else #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() #define smp_read_barrier_depends() do { } while(0) -#endif #define read_barrier_depends() ((void)0) @@ -199,9 +192,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz (unsigned long)(n), sizeof(*(ptr)))) #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) -#ifndef CONFIG_SMP #include -#endif #define arch_align_stack(x) (x) diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 4926b38..06438da 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -42,9 +42,7 @@ static inline int set_rtc_mmss(unsigned long nowtime) static irqreturn_t timer_interrupt(int irq, void *dummy) { do_timer(1); -#ifndef CONFIG_SMP update_process_times(user_mode(get_irq_regs())); -#endif profile_tick(CPU_PROFILING); #ifdef CONFIG_HEARTBEAT diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c index ad90393..2d9e21b 100644 --- a/arch/m68k/sun3/sun3ints.c +++ b/arch/m68k/sun3/sun3ints.c @@ -67,9 +67,7 @@ static irqreturn_t sun3_int5(int irq, void *dev_id) intersil_clear(); #endif do_timer(1); -#ifndef CONFIG_SMP update_process_times(user_mode(get_irq_regs())); -#endif if (!(kstat_cpu(0).irqs[irq] % 20)) sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 160) / 20]); return IRQ_HANDLED; diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c index a90acf5..7089dd9 100644 --- a/arch/m68knommu/kernel/time.c +++ b/arch/m68knommu/kernel/time.c @@ -50,9 +50,8 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy) write_sequnlock(&xtime_lock); -#ifndef CONFIG_SMP update_process_times(user_mode(get_irq_regs())); -#endif + return(IRQ_HANDLED); } #endif -- cgit v1.1 From ea61bc461d09e8d331a307916530aaae808c72a2 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 7 Sep 2010 14:52:52 +1000 Subject: m68k/m68knommu: merge MMU and non-MMU string.h The MMU and non-MMU string.h varients (string_no.h and string_mm.h) and almost the same. Switch to using the string_mm.h one, merging in the necessary ColdFire support. Signed-off-by: Greg Ungerer Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/string.h | 134 +++++++++++++++++++++++++++++++++++++- arch/m68k/include/asm/string_mm.h | 131 ------------------------------------- arch/m68k/include/asm/string_no.h | 126 ----------------------------------- 3 files changed, 131 insertions(+), 260 deletions(-) delete mode 100644 arch/m68k/include/asm/string_mm.h delete mode 100644 arch/m68k/include/asm/string_no.h diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h index 2c356f9..2936dda 100644 --- a/arch/m68k/include/asm/string.h +++ b/arch/m68k/include/asm/string.h @@ -1,5 +1,133 @@ -#ifdef __uClinux__ -#include "string_no.h" +#ifndef _M68K_STRING_H_ +#define _M68K_STRING_H_ + +#include +#include + +static inline size_t __kernel_strlen(const char *s) +{ + const char *sc; + + for (sc = s; *sc++; ) + ; + return sc - s - 1; +} + +static inline char *__kernel_strcpy(char *dest, const char *src) +{ + char *xdest = dest; + + asm volatile ("\n" + "1: move.b (%1)+,(%0)+\n" + " jne 1b" + : "+a" (dest), "+a" (src) + : : "memory"); + return xdest; +} + +#ifndef __IN_STRING_C + +#define __HAVE_ARCH_STRLEN +#define strlen(s) (__builtin_constant_p(s) ? \ + __builtin_strlen(s) : \ + __kernel_strlen(s)) + +#define __HAVE_ARCH_STRNLEN +static inline size_t strnlen(const char *s, size_t count) +{ + const char *sc = s; + + asm volatile ("\n" + "1: subq.l #1,%1\n" + " jcs 2f\n" + " tst.b (%0)+\n" + " jne 1b\n" + " subq.l #1,%0\n" + "2:" + : "+a" (sc), "+d" (count)); + return sc - s; +} + +#define __HAVE_ARCH_STRCPY +#if __GNUC__ >= 4 +#define strcpy(d, s) (__builtin_constant_p(s) && \ + __builtin_strlen(s) <= 32 ? \ + __builtin_strcpy(d, s) : \ + __kernel_strcpy(d, s)) #else -#include "string_mm.h" +#define strcpy(d, s) __kernel_strcpy(d, s) #endif + +#define __HAVE_ARCH_STRNCPY +static inline char *strncpy(char *dest, const char *src, size_t n) +{ + char *xdest = dest; + + asm volatile ("\n" + " jra 2f\n" + "1: move.b (%1),(%0)+\n" + " jeq 2f\n" + " addq.l #1,%1\n" + "2: subq.l #1,%2\n" + " jcc 1b\n" + : "+a" (dest), "+a" (src), "+d" (n) + : : "memory"); + return xdest; +} + +#define __HAVE_ARCH_STRCAT +#define strcat(d, s) ({ \ + char *__d = (d); \ + strcpy(__d + strlen(__d), (s)); \ +}) + +#define __HAVE_ARCH_STRCHR +static inline char *strchr(const char *s, int c) +{ + char sc, ch = c; + + for (; (sc = *s++) != ch; ) { + if (!sc) + return NULL; + } + return (char *)s - 1; +} + +#ifndef CONFIG_COLDFIRE +#define __HAVE_ARCH_STRCMP +static inline int strcmp(const char *cs, const char *ct) +{ + char res; + + asm ("\n" + "1: move.b (%0)+,%2\n" /* get *cs */ + " cmp.b (%1)+,%2\n" /* compare a byte */ + " jne 2f\n" /* not equal, break out */ + " tst.b %2\n" /* at end of cs? */ + " jne 1b\n" /* no, keep going */ + " jra 3f\n" /* strings are equal */ + "2: sub.b -(%1),%2\n" /* *cs - *ct */ + "3:" + : "+a" (cs), "+a" (ct), "=d" (res)); + return res; +} + +#define __HAVE_ARCH_MEMMOVE +extern void *memmove(void *, const void *, __kernel_size_t); + +#define __HAVE_ARCH_MEMCMP +extern int memcmp(const void *, const void *, __kernel_size_t); +#define memcmp(d, s, n) __builtin_memcmp(d, s, n) +#endif /* CONFIG_COLDFIRE */ + +#define __HAVE_ARCH_MEMSET +extern void *memset(void *, int, __kernel_size_t); +#define memset(d, c, n) __builtin_memset(d, c, n) + +#define __HAVE_ARCH_MEMCPY +extern void *memcpy(void *, const void *, __kernel_size_t); +#define memcpy(d, s, n) __builtin_memcpy(d, s, n) + +#endif + +#endif /* _M68K_STRING_H_ */ diff --git a/arch/m68k/include/asm/string_mm.h b/arch/m68k/include/asm/string_mm.h deleted file mode 100644 index 2eb7df1..0000000 --- a/arch/m68k/include/asm/string_mm.h +++ /dev/null @@ -1,131 +0,0 @@ -#ifndef _M68K_STRING_H_ -#define _M68K_STRING_H_ - -#include -#include - -static inline size_t __kernel_strlen(const char *s) -{ - const char *sc; - - for (sc = s; *sc++; ) - ; - return sc - s - 1; -} - -static inline char *__kernel_strcpy(char *dest, const char *src) -{ - char *xdest = dest; - - asm volatile ("\n" - "1: move.b (%1)+,(%0)+\n" - " jne 1b" - : "+a" (dest), "+a" (src) - : : "memory"); - return xdest; -} - -#ifndef __IN_STRING_C - -#define __HAVE_ARCH_STRLEN -#define strlen(s) (__builtin_constant_p(s) ? \ - __builtin_strlen(s) : \ - __kernel_strlen(s)) - -#define __HAVE_ARCH_STRNLEN -static inline size_t strnlen(const char *s, size_t count) -{ - const char *sc = s; - - asm volatile ("\n" - "1: subq.l #1,%1\n" - " jcs 2f\n" - " tst.b (%0)+\n" - " jne 1b\n" - " subq.l #1,%0\n" - "2:" - : "+a" (sc), "+d" (count)); - return sc - s; -} - -#define __HAVE_ARCH_STRCPY -#if __GNUC__ >= 4 -#define strcpy(d, s) (__builtin_constant_p(s) && \ - __builtin_strlen(s) <= 32 ? \ - __builtin_strcpy(d, s) : \ - __kernel_strcpy(d, s)) -#else -#define strcpy(d, s) __kernel_strcpy(d, s) -#endif - -#define __HAVE_ARCH_STRNCPY -static inline char *strncpy(char *dest, const char *src, size_t n) -{ - char *xdest = dest; - - asm volatile ("\n" - " jra 2f\n" - "1: move.b (%1),(%0)+\n" - " jeq 2f\n" - " addq.l #1,%1\n" - "2: subq.l #1,%2\n" - " jcc 1b\n" - : "+a" (dest), "+a" (src), "+d" (n) - : : "memory"); - return xdest; -} - -#define __HAVE_ARCH_STRCAT -#define strcat(d, s) ({ \ - char *__d = (d); \ - strcpy(__d + strlen(__d), (s)); \ -}) - -#define __HAVE_ARCH_STRCHR -static inline char *strchr(const char *s, int c) -{ - char sc, ch = c; - - for (; (sc = *s++) != ch; ) { - if (!sc) - return NULL; - } - return (char *)s - 1; -} - -#define __HAVE_ARCH_STRCMP -static inline int strcmp(const char *cs, const char *ct) -{ - char res; - - asm ("\n" - "1: move.b (%0)+,%2\n" /* get *cs */ - " cmp.b (%1)+,%2\n" /* compare a byte */ - " jne 2f\n" /* not equal, break out */ - " tst.b %2\n" /* at end of cs? */ - " jne 1b\n" /* no, keep going */ - " jra 3f\n" /* strings are equal */ - "2: sub.b -(%1),%2\n" /* *cs - *ct */ - "3:" - : "+a" (cs), "+a" (ct), "=d" (res)); - return res; -} - -#define __HAVE_ARCH_MEMSET -extern void *memset(void *, int, __kernel_size_t); -#define memset(d, c, n) __builtin_memset(d, c, n) - -#define __HAVE_ARCH_MEMCPY -extern void *memcpy(void *, const void *, __kernel_size_t); -#define memcpy(d, s, n) __builtin_memcpy(d, s, n) - -#define __HAVE_ARCH_MEMMOVE -extern void *memmove(void *, const void *, __kernel_size_t); - -#define __HAVE_ARCH_MEMCMP -extern int memcmp(const void *, const void *, __kernel_size_t); -#define memcmp(d, s, n) __builtin_memcmp(d, s, n) - -#endif - -#endif /* _M68K_STRING_H_ */ diff --git a/arch/m68k/include/asm/string_no.h b/arch/m68k/include/asm/string_no.h deleted file mode 100644 index af09e17..0000000 --- a/arch/m68k/include/asm/string_no.h +++ /dev/null @@ -1,126 +0,0 @@ -#ifndef _M68KNOMMU_STRING_H_ -#define _M68KNOMMU_STRING_H_ - -#ifdef __KERNEL__ /* only set these up for kernel code */ - -#include -#include - -#define __HAVE_ARCH_STRCPY -static inline char * strcpy(char * dest,const char *src) -{ - char *xdest = dest; - - __asm__ __volatile__ - ("1:\tmoveb %1@+,%0@+\n\t" - "jne 1b" - : "=a" (dest), "=a" (src) - : "0" (dest), "1" (src) : "memory"); - return xdest; -} - -#define __HAVE_ARCH_STRNCPY -static inline char * strncpy(char *dest, const char *src, size_t n) -{ - char *xdest = dest; - - if (n == 0) - return xdest; - - __asm__ __volatile__ - ("1:\tmoveb %1@+,%0@+\n\t" - "jeq 2f\n\t" - "subql #1,%2\n\t" - "jne 1b\n\t" - "2:" - : "=a" (dest), "=a" (src), "=d" (n) - : "0" (dest), "1" (src), "2" (n) - : "memory"); - return xdest; -} - - -#ifndef CONFIG_COLDFIRE - -#define __HAVE_ARCH_STRCMP -static inline int strcmp(const char * cs,const char * ct) -{ - char __res; - - __asm__ - ("1:\tmoveb %0@+,%2\n\t" /* get *cs */ - "cmpb %1@+,%2\n\t" /* compare a byte */ - "jne 2f\n\t" /* not equal, break out */ - "tstb %2\n\t" /* at end of cs? */ - "jne 1b\n\t" /* no, keep going */ - "jra 3f\n\t" /* strings are equal */ - "2:\tsubb %1@-,%2\n\t" /* *cs - *ct */ - "3:" - : "=a" (cs), "=a" (ct), "=d" (__res) - : "0" (cs), "1" (ct)); - - return __res; -} - -#define __HAVE_ARCH_STRNCMP -static inline int strncmp(const char * cs,const char * ct,size_t count) -{ - char __res; - - if (!count) - return 0; - __asm__ - ("1:\tmovb %0@+,%3\n\t" /* get *cs */ - "cmpb %1@+,%3\n\t" /* compare a byte */ - "jne 3f\n\t" /* not equal, break out */ - "tstb %3\n\t" /* at end of cs? */ - "jeq 4f\n\t" /* yes, all done */ - "subql #1,%2\n\t" /* no, adjust count */ - "jne 1b\n\t" /* more to do, keep going */ - "2:\tmoveq #0,%3\n\t" /* strings are equal */ - "jra 4f\n\t" - "3:\tsubb %1@-,%3\n\t" /* *cs - *ct */ - "4:" - : "=a" (cs), "=a" (ct), "=d" (count), "=d" (__res) - : "0" (cs), "1" (ct), "2" (count)); - return __res; -} - -#endif /* CONFIG_COLDFIRE */ - -#define __HAVE_ARCH_MEMSET -extern void * memset(void * s, int c, size_t count); - -#define __HAVE_ARCH_MEMCPY -extern void * memcpy(void *d, const void *s, size_t count); - -#else /* KERNEL */ - -/* - * let user libraries deal with these, - * IMHO the kernel has no place defining these functions for user apps - */ - -#define __HAVE_ARCH_STRCPY 1 -#define __HAVE_ARCH_STRNCPY 1 -#define __HAVE_ARCH_STRCAT 1 -#define __HAVE_ARCH_STRNCAT 1 -#define __HAVE_ARCH_STRCMP 1 -#define __HAVE_ARCH_STRNCMP 1 -#define __HAVE_ARCH_STRNICMP 1 -#define __HAVE_ARCH_STRCHR 1 -#define __HAVE_ARCH_STRRCHR 1 -#define __HAVE_ARCH_STRSTR 1 -#define __HAVE_ARCH_STRLEN 1 -#define __HAVE_ARCH_STRNLEN 1 -#define __HAVE_ARCH_MEMSET 1 -#define __HAVE_ARCH_MEMCPY 1 -#define __HAVE_ARCH_MEMMOVE 1 -#define __HAVE_ARCH_MEMSCAN 1 -#define __HAVE_ARCH_MEMCMP 1 -#define __HAVE_ARCH_MEMCHR 1 -#define __HAVE_ARCH_STRTOK 1 - -#endif /* KERNEL */ - -#endif /* _M68K_STRING_H_ */ -- cgit v1.1 From b0860c1d80016df82b93b926f1cff3110ccb5028 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 7 Sep 2010 15:48:43 +1000 Subject: m68k/m68knommu: merge machdep.h files into a single file No need to have separate machdep.h files for each of the MMU and non-MMU cases. Merge them all into a single file. Signed-off-by: Greg Ungerer Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/machdep.h | 49 ++++++++++++++++++++++++++++++++++---- arch/m68k/include/asm/machdep_mm.h | 35 --------------------------- arch/m68k/include/asm/machdep_no.h | 26 -------------------- 3 files changed, 44 insertions(+), 66 deletions(-) delete mode 100644 arch/m68k/include/asm/machdep_mm.h delete mode 100644 arch/m68k/include/asm/machdep_no.h diff --git a/arch/m68k/include/asm/machdep.h b/arch/m68k/include/asm/machdep.h index fc24b6f..789f3b2 100644 --- a/arch/m68k/include/asm/machdep.h +++ b/arch/m68k/include/asm/machdep.h @@ -1,5 +1,44 @@ -#ifdef __uClinux__ -#include "machdep_no.h" -#else -#include "machdep_mm.h" -#endif +#ifndef _M68K_MACHDEP_H +#define _M68K_MACHDEP_H + +#include +#include + +struct pt_regs; +struct mktime; +struct rtc_time; +struct rtc_pll_info; +struct buffer_head; + +extern void (*mach_sched_init) (irq_handler_t handler); +/* machine dependent irq functions */ +extern void (*mach_init_IRQ) (void); +extern void (*mach_get_model) (char *model); +extern void (*mach_get_hardware_list) (struct seq_file *m); +/* machine dependent timer functions */ +extern unsigned long (*mach_gettimeoffset)(void); +extern int (*mach_hwclk)(int, struct rtc_time*); +extern unsigned int (*mach_get_ss)(void); +extern int (*mach_get_rtc_pll)(struct rtc_pll_info *); +extern int (*mach_set_rtc_pll)(struct rtc_pll_info *); +extern int (*mach_set_clock_mmss)(unsigned long); +extern void (*mach_gettod)(int *year, int *mon, int *day, int *hour, + int *min, int *sec); +extern void (*mach_reset)( void ); +extern void (*mach_halt)( void ); +extern void (*mach_power_off)( void ); +extern unsigned long (*mach_hd_init) (unsigned long, unsigned long); +extern void (*mach_hd_setup)(char *, int *); +extern long mach_max_dma_address; +extern void (*mach_heartbeat) (int); +extern void (*mach_l2_flush) (int); +extern void (*mach_beep) (unsigned int, unsigned int); + +/* Hardware clock functions */ +extern void hw_timer_init(void); +extern unsigned long hw_timer_offset(void); +extern irqreturn_t arch_timer_interrupt(int irq, void *dummy); + +extern void config_BSP(char *command, int len); + +#endif /* _M68K_MACHDEP_H */ diff --git a/arch/m68k/include/asm/machdep_mm.h b/arch/m68k/include/asm/machdep_mm.h deleted file mode 100644 index 5637dce..0000000 --- a/arch/m68k/include/asm/machdep_mm.h +++ /dev/null @@ -1,35 +0,0 @@ -#ifndef _M68K_MACHDEP_H -#define _M68K_MACHDEP_H - -#include -#include - -struct pt_regs; -struct mktime; -struct rtc_time; -struct rtc_pll_info; -struct buffer_head; - -extern void (*mach_sched_init) (irq_handler_t handler); -/* machine dependent irq functions */ -extern void (*mach_init_IRQ) (void); -extern void (*mach_get_model) (char *model); -extern void (*mach_get_hardware_list) (struct seq_file *m); -/* machine dependent timer functions */ -extern unsigned long (*mach_gettimeoffset)(void); -extern int (*mach_hwclk)(int, struct rtc_time*); -extern unsigned int (*mach_get_ss)(void); -extern int (*mach_get_rtc_pll)(struct rtc_pll_info *); -extern int (*mach_set_rtc_pll)(struct rtc_pll_info *); -extern int (*mach_set_clock_mmss)(unsigned long); -extern void (*mach_reset)( void ); -extern void (*mach_halt)( void ); -extern void (*mach_power_off)( void ); -extern unsigned long (*mach_hd_init) (unsigned long, unsigned long); -extern void (*mach_hd_setup)(char *, int *); -extern long mach_max_dma_address; -extern void (*mach_heartbeat) (int); -extern void (*mach_l2_flush) (int); -extern void (*mach_beep) (unsigned int, unsigned int); - -#endif /* _M68K_MACHDEP_H */ diff --git a/arch/m68k/include/asm/machdep_no.h b/arch/m68k/include/asm/machdep_no.h deleted file mode 100644 index de9f47a..0000000 --- a/arch/m68k/include/asm/machdep_no.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _M68KNOMMU_MACHDEP_H -#define _M68KNOMMU_MACHDEP_H - -#include - -/* Hardware clock functions */ -extern void hw_timer_init(void); -extern unsigned long hw_timer_offset(void); - -extern irqreturn_t arch_timer_interrupt(int irq, void *dummy); - -/* Machine dependent time handling */ -extern void (*mach_gettod)(int *year, int *mon, int *day, int *hour, - int *min, int *sec); -extern int (*mach_set_clock_mmss)(unsigned long); - -/* machine dependent power off functions */ -extern void (*mach_reset)( void ); -extern void (*mach_halt)( void ); -extern void (*mach_power_off)( void ); - -extern void config_BSP(char *command, int len); - -extern void do_IRQ(int irq, struct pt_regs *fp); - -#endif /* _M68KNOMMU_MACHDEP_H */ -- cgit v1.1 From 138ff3462f53a7370bef15443e623ecba1c350bf Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 7 Sep 2010 15:49:10 +1000 Subject: m68k/m68knommu: clean up page.h There is a lot of common defines in the MMU and non-MMU variants of page.h. Factor out the common stuff into the master page.h. It still includes the underlying page_mm.h or page_no.h, but they only contain the real differences now. Signed-off-by: Greg Ungerer Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/page.h | 48 ++++++++++++++++++++++++++++++++++++-- arch/m68k/include/asm/page_mm.h | 49 +++------------------------------------ arch/m68k/include/asm/page_no.h | 51 +++++------------------------------------ 3 files changed, 55 insertions(+), 93 deletions(-) diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h index f2b4480..dfebb7c 100644 --- a/arch/m68k/include/asm/page.h +++ b/arch/m68k/include/asm/page.h @@ -1,5 +1,49 @@ -#ifdef __uClinux__ -#include "page_no.h" +#ifndef _M68K_PAGE_H +#define _M68K_PAGE_H + +#include +#include +#include + +/* PAGE_SHIFT determines the page size */ +#ifndef CONFIG_SUN3 +#define PAGE_SHIFT (12) #else +#define PAGE_SHIFT (13) +#endif +#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) +#define PAGE_OFFSET (PAGE_OFFSET_RAW) + +#ifndef __ASSEMBLY__ + +/* + * These are used to make use of C type-checking.. + */ +typedef struct { unsigned long pte; } pte_t; +typedef struct { unsigned long pmd[16]; } pmd_t; +typedef struct { unsigned long pgd; } pgd_t; +typedef struct { unsigned long pgprot; } pgprot_t; +typedef struct page *pgtable_t; + +#define pte_val(x) ((x).pte) +#define pmd_val(x) ((&x)->pmd[0]) +#define pgd_val(x) ((x).pgd) +#define pgprot_val(x) ((x).pgprot) + +#define __pte(x) ((pte_t) { (x) } ) +#define __pmd(x) ((pmd_t) { (x) } ) +#define __pgd(x) ((pgd_t) { (x) } ) +#define __pgprot(x) ((pgprot_t) { (x) } ) + +#endif /* !__ASSEMBLY__ */ + +#ifdef CONFIG_MMU #include "page_mm.h" +#else +#include "page_no.h" #endif + +#include + +#endif /* _M68K_PAGE_H */ diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index eeb6764..66f0b39 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -1,23 +1,9 @@ -#ifndef _M68K_PAGE_H -#define _M68K_PAGE_H - -#include - -/* PAGE_SHIFT determines the page size */ -#ifndef CONFIG_SUN3 -#define PAGE_SHIFT (12) -#else -#define PAGE_SHIFT (13) -#endif -#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#include +#ifndef _M68K_PAGE_MM_H +#define _M68K_PAGE_MM_H #ifndef __ASSEMBLY__ #include - #include #define get_user_page(vaddr) __get_free_page(GFP_KERNEL) @@ -78,33 +64,6 @@ static inline void clear_page(void *page) flush_dcache_page(page); \ } while (0) -/* - * These are used to make use of C type-checking.. - */ -typedef struct { unsigned long pte; } pte_t; -typedef struct { unsigned long pmd[16]; } pmd_t; -typedef struct { unsigned long pgd; } pgd_t; -typedef struct { unsigned long pgprot; } pgprot_t; -typedef struct page *pgtable_t; - -#define pte_val(x) ((x).pte) -#define pmd_val(x) ((&x)->pmd[0]) -#define pgd_val(x) ((x).pgd) -#define pgprot_val(x) ((x).pgprot) - -#define __pte(x) ((pte_t) { (x) } ) -#define __pmd(x) ((pmd_t) { (x) } ) -#define __pgd(x) ((pgd_t) { (x) } ) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -#endif /* !__ASSEMBLY__ */ - -#include - -#define PAGE_OFFSET (PAGE_OFFSET_RAW) - -#ifndef __ASSEMBLY__ - extern unsigned long m68k_memoffset; #ifndef CONFIG_SUN3 @@ -217,6 +176,4 @@ static inline __attribute_const__ int __virt_to_node_shift(void) #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#include - -#endif /* _M68K_PAGE_H */ +#endif /* _M68K_PAGE_MM_H */ diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h index 8029a33..9059572 100644 --- a/arch/m68k/include/asm/page_no.h +++ b/arch/m68k/include/asm/page_no.h @@ -1,18 +1,11 @@ -#ifndef _M68KNOMMU_PAGE_H -#define _M68KNOMMU_PAGE_H - -#include - -/* PAGE_SHIFT determines the page size */ - -#define PAGE_SHIFT (12) -#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#include +#ifndef _M68K_PAGE_NO_H +#define _M68K_PAGE_NO_H #ifndef __ASSEMBLY__ +extern unsigned long memory_start; +extern unsigned long memory_end; + #define get_user_page(vaddr) __get_free_page(GFP_KERNEL) #define free_user_page(page, addr) free_page(addr) @@ -26,36 +19,6 @@ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE -/* - * These are used to make use of C type-checking.. - */ -typedef struct { unsigned long pte; } pte_t; -typedef struct { unsigned long pmd[16]; } pmd_t; -typedef struct { unsigned long pgd; } pgd_t; -typedef struct { unsigned long pgprot; } pgprot_t; -typedef struct page *pgtable_t; - -#define pte_val(x) ((x).pte) -#define pmd_val(x) ((&x)->pmd[0]) -#define pgd_val(x) ((x).pgd) -#define pgprot_val(x) ((x).pgprot) - -#define __pte(x) ((pte_t) { (x) } ) -#define __pmd(x) ((pmd_t) { (x) } ) -#define __pgd(x) ((pgd_t) { (x) } ) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -extern unsigned long memory_start; -extern unsigned long memory_end; - -#endif /* !__ASSEMBLY__ */ - -#include - -#define PAGE_OFFSET (PAGE_OFFSET_RAW) - -#ifndef __ASSEMBLY__ - #define __pa(vaddr) ((unsigned long)(vaddr)) #define __va(paddr) ((void *)(paddr)) @@ -74,6 +37,4 @@ extern unsigned long memory_end; #endif /* __ASSEMBLY__ */ -#include - -#endif /* _M68KNOMMU_PAGE_H */ +#endif /* _M68K_PAGE_NO_H */ -- cgit v1.1 From 69f99746a2cfd88b9caed8e320ad86405b228ada Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Wed, 8 Sep 2010 10:31:11 +1000 Subject: m68k/m68knommu: merge MMU and non-MMU atomic.h The only difference between the MMU and non-MMU versions of atomic.h is some extra support needed by ColdFire family processors. So merge this into the MMU version of atomic.h. Signed-off-by: Greg Ungerer Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/atomic.h | 210 +++++++++++++++++++++++++++++++++++++- arch/m68k/include/asm/atomic_mm.h | 200 ------------------------------------ arch/m68k/include/asm/atomic_no.h | 155 ---------------------------- 3 files changed, 207 insertions(+), 358 deletions(-) delete mode 100644 arch/m68k/include/asm/atomic_mm.h delete mode 100644 arch/m68k/include/asm/atomic_no.h diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index eab36dc..03ae3d1 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -1,7 +1,211 @@ -#ifdef __uClinux__ -#include "atomic_no.h" +#ifndef __ARCH_M68K_ATOMIC__ +#define __ARCH_M68K_ATOMIC__ + +#include +#include + +/* + * Atomic operations that C can't guarantee us. Useful for + * resource counting etc.. + */ + +/* + * We do not have SMP m68k systems, so we don't have to deal with that. + */ + +#define ATOMIC_INIT(i) { (i) } + +#define atomic_read(v) (*(volatile int *)&(v)->counter) +#define atomic_set(v, i) (((v)->counter) = i) + +/* + * The ColdFire parts cannot do some immediate to memory operations, + * so for them we do not specify the "i" asm constraint. + */ +#ifdef CONFIG_COLDFIRE +#define ASM_DI "d" #else -#include "atomic_mm.h" +#define ASM_DI "di" #endif +static inline void atomic_add(int i, atomic_t *v) +{ + __asm__ __volatile__("addl %1,%0" : "+m" (*v) : ASM_DI (i)); +} + +static inline void atomic_sub(int i, atomic_t *v) +{ + __asm__ __volatile__("subl %1,%0" : "+m" (*v) : ASM_DI (i)); +} + +static inline void atomic_inc(atomic_t *v) +{ + __asm__ __volatile__("addql #1,%0" : "+m" (*v)); +} + +static inline void atomic_dec(atomic_t *v) +{ + __asm__ __volatile__("subql #1,%0" : "+m" (*v)); +} + +static inline int atomic_dec_and_test(atomic_t *v) +{ + char c; + __asm__ __volatile__("subql #1,%1; seq %0" : "=d" (c), "+m" (*v)); + return c != 0; +} + +static inline int atomic_inc_and_test(atomic_t *v) +{ + char c; + __asm__ __volatile__("addql #1,%1; seq %0" : "=d" (c), "+m" (*v)); + return c != 0; +} + +#ifdef CONFIG_RMW_INSNS + +static inline int atomic_add_return(int i, atomic_t *v) +{ + int t, tmp; + + __asm__ __volatile__( + "1: movel %2,%1\n" + " addl %3,%1\n" + " casl %2,%1,%0\n" + " jne 1b" + : "+m" (*v), "=&d" (t), "=&d" (tmp) + : "g" (i), "2" (atomic_read(v))); + return t; +} + +static inline int atomic_sub_return(int i, atomic_t *v) +{ + int t, tmp; + + __asm__ __volatile__( + "1: movel %2,%1\n" + " subl %3,%1\n" + " casl %2,%1,%0\n" + " jne 1b" + : "+m" (*v), "=&d" (t), "=&d" (tmp) + : "g" (i), "2" (atomic_read(v))); + return t; +} + +#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) +#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) + +#else /* !CONFIG_RMW_INSNS */ + +static inline int atomic_add_return(int i, atomic_t * v) +{ + unsigned long flags; + int t; + + local_irq_save(flags); + t = atomic_read(v); + t += i; + atomic_set(v, t); + local_irq_restore(flags); + + return t; +} + +static inline int atomic_sub_return(int i, atomic_t * v) +{ + unsigned long flags; + int t; + + local_irq_save(flags); + t = atomic_read(v); + t -= i; + atomic_set(v, t); + local_irq_restore(flags); + + return t; +} + +static inline int atomic_cmpxchg(atomic_t *v, int old, int new) +{ + unsigned long flags; + int prev; + + local_irq_save(flags); + prev = atomic_read(v); + if (prev == old) + atomic_set(v, new); + local_irq_restore(flags); + return prev; +} + +static inline int atomic_xchg(atomic_t *v, int new) +{ + unsigned long flags; + int prev; + + local_irq_save(flags); + prev = atomic_read(v); + atomic_set(v, new); + local_irq_restore(flags); + return prev; +} + +#endif /* !CONFIG_RMW_INSNS */ + +#define atomic_dec_return(v) atomic_sub_return(1, (v)) +#define atomic_inc_return(v) atomic_add_return(1, (v)) + +static inline int atomic_sub_and_test(int i, atomic_t *v) +{ + char c; + __asm__ __volatile__("subl %2,%1; seq %0" + : "=d" (c), "+m" (*v) + : ASM_DI (i)); + return c != 0; +} + +static inline int atomic_add_negative(int i, atomic_t *v) +{ + char c; + __asm__ __volatile__("addl %2,%1; smi %0" + : "=d" (c), "+m" (*v) + : "id" (i)); + return c != 0; +} + +static inline void atomic_clear_mask(unsigned long mask, unsigned long *v) +{ + __asm__ __volatile__("andl %1,%0" : "+m" (*v) : "id" (~(mask))); +} + +static inline void atomic_set_mask(unsigned long mask, unsigned long *v) +{ + __asm__ __volatile__("orl %1,%0" : "+m" (*v) : "id" (mask)); +} + +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) + +/* Atomic operations are already serializing */ +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + +#include #include +#endif /* __ARCH_M68K_ATOMIC __ */ diff --git a/arch/m68k/include/asm/atomic_mm.h b/arch/m68k/include/asm/atomic_mm.h deleted file mode 100644 index 6a223b3..0000000 --- a/arch/m68k/include/asm/atomic_mm.h +++ /dev/null @@ -1,200 +0,0 @@ -#ifndef __ARCH_M68K_ATOMIC__ -#define __ARCH_M68K_ATOMIC__ - -#include -#include - -/* - * Atomic operations that C can't guarantee us. Useful for - * resource counting etc.. - */ - -/* - * We do not have SMP m68k systems, so we don't have to deal with that. - */ - -#define ATOMIC_INIT(i) { (i) } - -#define atomic_read(v) (*(volatile int *)&(v)->counter) -#define atomic_set(v, i) (((v)->counter) = i) - -static inline void atomic_add(int i, atomic_t *v) -{ - __asm__ __volatile__("addl %1,%0" : "+m" (*v) : "id" (i)); -} - -static inline void atomic_sub(int i, atomic_t *v) -{ - __asm__ __volatile__("subl %1,%0" : "+m" (*v) : "id" (i)); -} - -static inline void atomic_inc(atomic_t *v) -{ - __asm__ __volatile__("addql #1,%0" : "+m" (*v)); -} - -static inline void atomic_dec(atomic_t *v) -{ - __asm__ __volatile__("subql #1,%0" : "+m" (*v)); -} - -static inline int atomic_dec_and_test(atomic_t *v) -{ - char c; - __asm__ __volatile__("subql #1,%1; seq %0" : "=d" (c), "+m" (*v)); - return c != 0; -} - -static inline int atomic_inc_and_test(atomic_t *v) -{ - char c; - __asm__ __volatile__("addql #1,%1; seq %0" : "=d" (c), "+m" (*v)); - return c != 0; -} - -#ifdef CONFIG_RMW_INSNS - -static inline int atomic_add_return(int i, atomic_t *v) -{ - int t, tmp; - - __asm__ __volatile__( - "1: movel %2,%1\n" - " addl %3,%1\n" - " casl %2,%1,%0\n" - " jne 1b" - : "+m" (*v), "=&d" (t), "=&d" (tmp) - : "g" (i), "2" (atomic_read(v))); - return t; -} - -static inline int atomic_sub_return(int i, atomic_t *v) -{ - int t, tmp; - - __asm__ __volatile__( - "1: movel %2,%1\n" - " subl %3,%1\n" - " casl %2,%1,%0\n" - " jne 1b" - : "+m" (*v), "=&d" (t), "=&d" (tmp) - : "g" (i), "2" (atomic_read(v))); - return t; -} - -#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -#else /* !CONFIG_RMW_INSNS */ - -static inline int atomic_add_return(int i, atomic_t * v) -{ - unsigned long flags; - int t; - - local_irq_save(flags); - t = atomic_read(v); - t += i; - atomic_set(v, t); - local_irq_restore(flags); - - return t; -} - -static inline int atomic_sub_return(int i, atomic_t * v) -{ - unsigned long flags; - int t; - - local_irq_save(flags); - t = atomic_read(v); - t -= i; - atomic_set(v, t); - local_irq_restore(flags); - - return t; -} - -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - unsigned long flags; - int prev; - - local_irq_save(flags); - prev = atomic_read(v); - if (prev == old) - atomic_set(v, new); - local_irq_restore(flags); - return prev; -} - -static inline int atomic_xchg(atomic_t *v, int new) -{ - unsigned long flags; - int prev; - - local_irq_save(flags); - prev = atomic_read(v); - atomic_set(v, new); - local_irq_restore(flags); - return prev; -} - -#endif /* !CONFIG_RMW_INSNS */ - -#define atomic_dec_return(v) atomic_sub_return(1, (v)) -#define atomic_inc_return(v) atomic_add_return(1, (v)) - -static inline int atomic_sub_and_test(int i, atomic_t *v) -{ - char c; - __asm__ __volatile__("subl %2,%1; seq %0" - : "=d" (c), "+m" (*v) - : "id" (i)); - return c != 0; -} - -static inline int atomic_add_negative(int i, atomic_t *v) -{ - char c; - __asm__ __volatile__("addl %2,%1; smi %0" - : "=d" (c), "+m" (*v) - : "id" (i)); - return c != 0; -} - -static inline void atomic_clear_mask(unsigned long mask, unsigned long *v) -{ - __asm__ __volatile__("andl %1,%0" : "+m" (*v) : "id" (~(mask))); -} - -static inline void atomic_set_mask(unsigned long mask, unsigned long *v) -{ - __asm__ __volatile__("orl %1,%0" : "+m" (*v) : "id" (mask)); -} - -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - c = atomic_read(v); - for (;;) { - if (unlikely(c == (u))) - break; - old = atomic_cmpxchg((v), c, c + (a)); - if (likely(old == c)) - break; - c = old; - } - return c != (u); -} - -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -#include -#endif /* __ARCH_M68K_ATOMIC __ */ diff --git a/arch/m68k/include/asm/atomic_no.h b/arch/m68k/include/asm/atomic_no.h deleted file mode 100644 index 289310c..0000000 --- a/arch/m68k/include/asm/atomic_no.h +++ /dev/null @@ -1,155 +0,0 @@ -#ifndef __ARCH_M68KNOMMU_ATOMIC__ -#define __ARCH_M68KNOMMU_ATOMIC__ - -#include -#include - -/* - * Atomic operations that C can't guarantee us. Useful for - * resource counting etc.. - */ - -/* - * We do not have SMP m68k systems, so we don't have to deal with that. - */ - -#define ATOMIC_INIT(i) { (i) } - -#define atomic_read(v) (*(volatile int *)&(v)->counter) -#define atomic_set(v, i) (((v)->counter) = i) - -static __inline__ void atomic_add(int i, atomic_t *v) -{ -#ifdef CONFIG_COLDFIRE - __asm__ __volatile__("addl %1,%0" : "+m" (*v) : "d" (i)); -#else - __asm__ __volatile__("addl %1,%0" : "+m" (*v) : "di" (i)); -#endif -} - -static __inline__ void atomic_sub(int i, atomic_t *v) -{ -#ifdef CONFIG_COLDFIRE - __asm__ __volatile__("subl %1,%0" : "+m" (*v) : "d" (i)); -#else - __asm__ __volatile__("subl %1,%0" : "+m" (*v) : "di" (i)); -#endif -} - -static __inline__ int atomic_sub_and_test(int i, atomic_t * v) -{ - char c; -#ifdef CONFIG_COLDFIRE - __asm__ __volatile__("subl %2,%1; seq %0" - : "=d" (c), "+m" (*v) - : "d" (i)); -#else - __asm__ __volatile__("subl %2,%1; seq %0" - : "=d" (c), "+m" (*v) - : "di" (i)); -#endif - return c != 0; -} - -static __inline__ void atomic_inc(volatile atomic_t *v) -{ - __asm__ __volatile__("addql #1,%0" : "+m" (*v)); -} - -/* - * atomic_inc_and_test - increment and test - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. - */ - -static __inline__ int atomic_inc_and_test(volatile atomic_t *v) -{ - char c; - __asm__ __volatile__("addql #1,%1; seq %0" : "=d" (c), "+m" (*v)); - return c != 0; -} - -static __inline__ void atomic_dec(volatile atomic_t *v) -{ - __asm__ __volatile__("subql #1,%0" : "+m" (*v)); -} - -static __inline__ int atomic_dec_and_test(volatile atomic_t *v) -{ - char c; - __asm__ __volatile__("subql #1,%1; seq %0" : "=d" (c), "+m" (*v)); - return c != 0; -} - -static __inline__ void atomic_clear_mask(unsigned long mask, unsigned long *v) -{ - __asm__ __volatile__("andl %1,%0" : "+m" (*v) : "id" (~(mask))); -} - -static __inline__ void atomic_set_mask(unsigned long mask, unsigned long *v) -{ - __asm__ __volatile__("orl %1,%0" : "+m" (*v) : "id" (mask)); -} - -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -static inline int atomic_add_return(int i, atomic_t * v) -{ - unsigned long temp, flags; - - local_irq_save(flags); - temp = *(long *)v; - temp += i; - *(long *)v = temp; - local_irq_restore(flags); - - return temp; -} - -#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) - -static inline int atomic_sub_return(int i, atomic_t * v) -{ - unsigned long temp, flags; - - local_irq_save(flags); - temp = *(long *)v; - temp -= i; - *(long *)v = temp; - local_irq_restore(flags); - - return temp; -} - -#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - c = atomic_read(v); - for (;;) { - if (unlikely(c == (u))) - break; - old = atomic_cmpxchg((v), c, c + (a)); - if (likely(old == c)) - break; - c = old; - } - return c != (u); -} - -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -#define atomic_dec_return(v) atomic_sub_return(1,(v)) -#define atomic_inc_return(v) atomic_add_return(1,(v)) - -#include -#endif /* __ARCH_M68KNOMMU_ATOMIC __ */ -- cgit v1.1 From cddafa3500fde4a07e5bf899ec97a04069f8f7ce Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Mon, 13 Sep 2010 14:10:45 +1000 Subject: m68k/m68knommu: merge MMU and non-MMU thread_info.h The MMU and non-MMU versions of thread_info.h are quite similar. Merge the two files. Signed-off-by: Greg Ungerer Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/entry_mm.h | 3 + arch/m68k/include/asm/thread_info.h | 109 ++++++++++++++++++++++++++++++- arch/m68k/include/asm/thread_info_mm.h | 76 --------------------- arch/m68k/include/asm/thread_info_no.h | 102 ----------------------------- arch/m68knommu/platform/coldfire/entry.S | 4 +- 5 files changed, 111 insertions(+), 183 deletions(-) delete mode 100644 arch/m68k/include/asm/thread_info_mm.h delete mode 100644 arch/m68k/include/asm/thread_info_no.h diff --git a/arch/m68k/include/asm/entry_mm.h b/arch/m68k/include/asm/entry_mm.h index 4741258..e41fea3 100644 --- a/arch/m68k/include/asm/entry_mm.h +++ b/arch/m68k/include/asm/entry_mm.h @@ -3,6 +3,9 @@ #include #include +#ifdef __ASSEMBLY__ +#include +#endif /* * Stack layout in 'ret_from_exception': diff --git a/arch/m68k/include/asm/thread_info.h b/arch/m68k/include/asm/thread_info.h index f31a3f4..1da5d53 100644 --- a/arch/m68k/include/asm/thread_info.h +++ b/arch/m68k/include/asm/thread_info.h @@ -1,5 +1,108 @@ -#ifdef __uClinux__ -#include "thread_info_no.h" +#ifndef _ASM_M68K_THREAD_INFO_H +#define _ASM_M68K_THREAD_INFO_H + +#include +#include + +/* + * On machines with 4k pages we default to an 8k thread size, though we + * allow a 4k with config option. Any other machine page size then + * the thread size must match the page size (which is 8k and larger here). + */ +#if PAGE_SHIFT < 13 +#ifdef CONFIG_4KSTACKS +#define THREAD_SIZE 4096 #else -#include "thread_info_mm.h" +#define THREAD_SIZE 8192 #endif +#else +#define THREAD_SIZE PAGE_SIZE +#endif +#define THREAD_SIZE_ORDER ((THREAD_SIZE / PAGE_SIZE) - 1) + +#ifndef __ASSEMBLY__ + +struct thread_info { + struct task_struct *task; /* main task structure */ + unsigned long flags; + struct exec_domain *exec_domain; /* execution domain */ + int preempt_count; /* 0 => preemptable, <0 => BUG */ + __u32 cpu; /* should always be 0 on m68k */ + unsigned long tp_value; /* thread pointer */ + struct restart_block restart_block; +}; +#endif /* __ASSEMBLY__ */ + +#define PREEMPT_ACTIVE 0x4000000 + +#define INIT_THREAD_INFO(tsk) \ +{ \ + .task = &tsk, \ + .exec_domain = &default_exec_domain, \ + .preempt_count = INIT_PREEMPT_COUNT, \ + .restart_block = { \ + .fn = do_no_restart_syscall, \ + }, \ +} + +#define init_stack (init_thread_union.stack) + +#ifdef CONFIG_MMU + +#ifndef __ASSEMBLY__ +#include +#endif + +#ifdef ASM_OFFSETS_C +#define task_thread_info(tsk) ((struct thread_info *) NULL) +#else +#include +#define task_thread_info(tsk) ((struct thread_info *)((char *)tsk+TASK_TINFO)) +#endif + +#define init_thread_info (init_task.thread.info) +#define task_stack_page(tsk) ((tsk)->stack) +#define current_thread_info() task_thread_info(current) + +#define __HAVE_THREAD_FUNCTIONS + +#define setup_thread_stack(p, org) ({ \ + *(struct task_struct **)(p)->stack = (p); \ + task_thread_info(p)->task = (p); \ +}) + +#define end_of_stack(p) ((unsigned long *)(p)->stack + 1) + +#else /* !CONFIG_MMU */ + +#ifndef __ASSEMBLY__ +/* how to get the thread information struct from C */ +static inline struct thread_info *current_thread_info(void) +{ + struct thread_info *ti; + __asm__( + "move.l %%sp, %0 \n\t" + "and.l %1, %0" + : "=&d"(ti) + : "di" (~(THREAD_SIZE-1)) + ); + return ti; +} +#endif + +#define init_thread_info (init_thread_union.thread_info) + +#endif /* CONFIG_MMU */ + +/* entry.S relies on these definitions! + * bits 0-7 are tested at every exception exit + * bits 8-15 are also tested at syscall exit + */ +#define TIF_SIGPENDING 6 /* signal pending */ +#define TIF_NEED_RESCHED 7 /* rescheduling necessary */ +#define TIF_DELAYED_TRACE 14 /* single step a syscall */ +#define TIF_SYSCALL_TRACE 15 /* syscall trace active */ +#define TIF_MEMDIE 16 /* is terminating due to OOM killer */ +#define TIF_FREEZE 17 /* thread is freezing for suspend */ + +#endif /* _ASM_M68K_THREAD_INFO_H */ diff --git a/arch/m68k/include/asm/thread_info_mm.h b/arch/m68k/include/asm/thread_info_mm.h deleted file mode 100644 index d08046c..0000000 --- a/arch/m68k/include/asm/thread_info_mm.h +++ /dev/null @@ -1,76 +0,0 @@ -#ifndef _ASM_M68K_THREAD_INFO_H -#define _ASM_M68K_THREAD_INFO_H - -#ifndef ASM_OFFSETS_C -#include -#endif -#include -#include - -#ifndef __ASSEMBLY__ -#include - -struct thread_info { - struct task_struct *task; /* main task structure */ - unsigned long flags; - struct exec_domain *exec_domain; /* execution domain */ - int preempt_count; /* 0 => preemptable, <0 => BUG */ - __u32 cpu; /* should always be 0 on m68k */ - unsigned long tp_value; /* thread pointer */ - struct restart_block restart_block; -}; -#endif /* __ASSEMBLY__ */ - -#define PREEMPT_ACTIVE 0x4000000 - -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task = &tsk, \ - .exec_domain = &default_exec_domain, \ - .preempt_count = INIT_PREEMPT_COUNT, \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ -} - -/* THREAD_SIZE should be 8k, so handle differently for 4k and 8k machines */ -#if PAGE_SHIFT < 13 -#define THREAD_SIZE (8192) -#else -#define THREAD_SIZE PAGE_SIZE -#endif -#define THREAD_SIZE_ORDER (13 - PAGE_SHIFT) - -#define init_thread_info (init_task.thread.info) -#define init_stack (init_thread_union.stack) - -#ifdef ASM_OFFSETS_C -#define task_thread_info(tsk) ((struct thread_info *) NULL) -#else -#define task_thread_info(tsk) ((struct thread_info *)((char *)tsk+TASK_TINFO)) -#endif - -#define task_stack_page(tsk) ((tsk)->stack) -#define current_thread_info() task_thread_info(current) - -#define __HAVE_THREAD_FUNCTIONS - -#define setup_thread_stack(p, org) ({ \ - *(struct task_struct **)(p)->stack = (p); \ - task_thread_info(p)->task = (p); \ -}) - -#define end_of_stack(p) ((unsigned long *)(p)->stack + 1) - -/* entry.S relies on these definitions! - * bits 0-7 are tested at every exception exit - * bits 8-15 are also tested at syscall exit - */ -#define TIF_SIGPENDING 6 /* signal pending */ -#define TIF_NEED_RESCHED 7 /* rescheduling necessary */ -#define TIF_DELAYED_TRACE 14 /* single step a syscall */ -#define TIF_SYSCALL_TRACE 15 /* syscall trace active */ -#define TIF_MEMDIE 16 /* is terminating due to OOM killer */ -#define TIF_FREEZE 17 /* thread is freezing for suspend */ - -#endif /* _ASM_M68K_THREAD_INFO_H */ diff --git a/arch/m68k/include/asm/thread_info_no.h b/arch/m68k/include/asm/thread_info_no.h deleted file mode 100644 index 51f354b..0000000 --- a/arch/m68k/include/asm/thread_info_no.h +++ /dev/null @@ -1,102 +0,0 @@ -/* thread_info.h: m68knommu low-level thread information - * adapted from the i386 and PPC versions by Greg Ungerer (gerg@snapgear.com) - * - * Copyright (C) 2002 David Howells (dhowells@redhat.com) - * - Incorporating suggestions made by Linus Torvalds and Dave Miller - */ - -#ifndef _ASM_THREAD_INFO_H -#define _ASM_THREAD_INFO_H - -#include - -#ifdef __KERNEL__ - -/* - * Size of kernel stack for each process. This must be a power of 2... - */ -#ifdef CONFIG_4KSTACKS -#define THREAD_SIZE_ORDER (0) -#else -#define THREAD_SIZE_ORDER (1) -#endif - -/* - * for asm files, THREAD_SIZE is now generated by asm-offsets.c - */ -#define THREAD_SIZE (PAGE_SIZE< preemptable, <0 => BUG */ - unsigned long tp_value; /* thread pointer */ - struct restart_block restart_block; -}; - -/* - * macros/functions for gaining access to the thread information structure - */ -#define INIT_THREAD_INFO(tsk) \ -{ \ - .task = &tsk, \ - .exec_domain = &default_exec_domain, \ - .flags = 0, \ - .cpu = 0, \ - .preempt_count = INIT_PREEMPT_COUNT, \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ -} - -#define init_thread_info (init_thread_union.thread_info) -#define init_stack (init_thread_union.stack) - - -/* how to get the thread information struct from C */ -static inline struct thread_info *current_thread_info(void) -{ - struct thread_info *ti; - __asm__( - "move.l %%sp, %0 \n\t" - "and.l %1, %0" - : "=&d"(ti) - : "di" (~(THREAD_SIZE-1)) - ); - return ti; -} - -#endif /* __ASSEMBLY__ */ - -#define PREEMPT_ACTIVE 0x4000000 - -/* - * thread information flag bit numbers - */ -#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ -#define TIF_SIGPENDING 1 /* signal pending */ -#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ -#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ -#define TIF_MEMDIE 4 /* is terminating due to OOM killer */ -#define TIF_FREEZE 16 /* is freezing for suspend */ - -/* as above, but as bit values */ -#define _TIF_SYSCALL_TRACE (1<flags */ - andl #_TIF_NEED_RESCHED,%d1 + andl #(1<flags */ - andl #_TIF_WORK_MASK,%d1 + andl #0xefff,%d1 jne Lwork_to_do /* still work to do */ Lreturn: -- cgit v1.1 From c6597dc46121582475358e3d46971902587d02d6 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 7 Sep 2010 15:49:31 +1000 Subject: m68k/m68knommu: merge the MMU and non-MMU traps.h The MMU and non-MMU versions of traps.h are virtually identical, merge them into a single file. Signed-off-by: Greg Ungerer Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/traps.h | 275 ++++++++++++++++++++++++++++++++++++++- arch/m68k/include/asm/traps_mm.h | 272 -------------------------------------- arch/m68k/include/asm/traps_no.h | 154 ---------------------- 3 files changed, 271 insertions(+), 430 deletions(-) delete mode 100644 arch/m68k/include/asm/traps_mm.h delete mode 100644 arch/m68k/include/asm/traps_no.h diff --git a/arch/m68k/include/asm/traps.h b/arch/m68k/include/asm/traps.h index 3011ec0..0bffb17 100644 --- a/arch/m68k/include/asm/traps.h +++ b/arch/m68k/include/asm/traps.h @@ -1,5 +1,272 @@ -#ifdef __uClinux__ -#include "traps_no.h" -#else -#include "traps_mm.h" +/* + * linux/include/asm/traps.h + * + * Copyright (C) 1993 Hamish Macdonald + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef _M68K_TRAPS_H +#define _M68K_TRAPS_H + +#ifndef __ASSEMBLY__ + +#include +#include + +typedef void (*e_vector)(void); +extern e_vector vectors[]; + +asmlinkage void auto_inthandler(void); +asmlinkage void user_inthandler(void); +asmlinkage void bad_inthandler(void); +extern void init_vectors(void); + #endif + +#define VEC_RESETSP (0) +#define VEC_RESETPC (1) +#define VEC_BUSERR (2) +#define VEC_ADDRERR (3) +#define VEC_ILLEGAL (4) +#define VEC_ZERODIV (5) +#define VEC_CHK (6) +#define VEC_TRAP (7) +#define VEC_PRIV (8) +#define VEC_TRACE (9) +#define VEC_LINE10 (10) +#define VEC_LINE11 (11) +#define VEC_RESV12 (12) +#define VEC_COPROC (13) +#define VEC_FORMAT (14) +#define VEC_UNINT (15) +#define VEC_RESV16 (16) +#define VEC_RESV17 (17) +#define VEC_RESV18 (18) +#define VEC_RESV19 (19) +#define VEC_RESV20 (20) +#define VEC_RESV21 (21) +#define VEC_RESV22 (22) +#define VEC_RESV23 (23) +#define VEC_SPUR (24) +#define VEC_INT1 (25) +#define VEC_INT2 (26) +#define VEC_INT3 (27) +#define VEC_INT4 (28) +#define VEC_INT5 (29) +#define VEC_INT6 (30) +#define VEC_INT7 (31) +#define VEC_SYS (32) +#define VEC_TRAP1 (33) +#define VEC_TRAP2 (34) +#define VEC_TRAP3 (35) +#define VEC_TRAP4 (36) +#define VEC_TRAP5 (37) +#define VEC_TRAP6 (38) +#define VEC_TRAP7 (39) +#define VEC_TRAP8 (40) +#define VEC_TRAP9 (41) +#define VEC_TRAP10 (42) +#define VEC_TRAP11 (43) +#define VEC_TRAP12 (44) +#define VEC_TRAP13 (45) +#define VEC_TRAP14 (46) +#define VEC_TRAP15 (47) +#define VEC_FPBRUC (48) +#define VEC_FPIR (49) +#define VEC_FPDIVZ (50) +#define VEC_FPUNDER (51) +#define VEC_FPOE (52) +#define VEC_FPOVER (53) +#define VEC_FPNAN (54) +#define VEC_FPUNSUP (55) +#define VEC_MMUCFG (56) +#define VEC_MMUILL (57) +#define VEC_MMUACC (58) +#define VEC_RESV59 (59) +#define VEC_UNIMPEA (60) +#define VEC_UNIMPII (61) +#define VEC_RESV62 (62) +#define VEC_RESV63 (63) +#define VEC_USER (64) + +#define VECOFF(vec) ((vec)<<2) + +#ifndef __ASSEMBLY__ + +/* Status register bits */ +#define PS_T (0x8000) +#define PS_S (0x2000) +#define PS_M (0x1000) +#define PS_C (0x0001) + +/* bits for 68020/68030 special status word */ + +#define FC (0x8000) +#define FB (0x4000) +#define RC (0x2000) +#define RB (0x1000) +#define DF (0x0100) +#define RM (0x0080) +#define RW (0x0040) +#define SZ (0x0030) +#define DFC (0x0007) + +/* bits for 68030 MMU status register (mmusr,psr) */ + +#define MMU_B (0x8000) /* bus error */ +#define MMU_L (0x4000) /* limit violation */ +#define MMU_S (0x2000) /* supervisor violation */ +#define MMU_WP (0x0800) /* write-protected */ +#define MMU_I (0x0400) /* invalid descriptor */ +#define MMU_M (0x0200) /* ATC entry modified */ +#define MMU_T (0x0040) /* transparent translation */ +#define MMU_NUM (0x0007) /* number of levels traversed */ + + +/* bits for 68040 special status word */ +#define CP_040 (0x8000) +#define CU_040 (0x4000) +#define CT_040 (0x2000) +#define CM_040 (0x1000) +#define MA_040 (0x0800) +#define ATC_040 (0x0400) +#define LK_040 (0x0200) +#define RW_040 (0x0100) +#define SIZ_040 (0x0060) +#define TT_040 (0x0018) +#define TM_040 (0x0007) + +/* bits for 68040 write back status word */ +#define WBV_040 (0x80) +#define WBSIZ_040 (0x60) +#define WBBYT_040 (0x20) +#define WBWRD_040 (0x40) +#define WBLNG_040 (0x00) +#define WBTT_040 (0x18) +#define WBTM_040 (0x07) + +/* bus access size codes */ +#define BA_SIZE_BYTE (0x20) +#define BA_SIZE_WORD (0x40) +#define BA_SIZE_LONG (0x00) +#define BA_SIZE_LINE (0x60) + +/* bus access transfer type codes */ +#define BA_TT_MOVE16 (0x08) + +/* bits for 68040 MMU status register (mmusr) */ +#define MMU_B_040 (0x0800) +#define MMU_G_040 (0x0400) +#define MMU_S_040 (0x0080) +#define MMU_CM_040 (0x0060) +#define MMU_M_040 (0x0010) +#define MMU_WP_040 (0x0004) +#define MMU_T_040 (0x0002) +#define MMU_R_040 (0x0001) + +/* bits in the 68060 fault status long word (FSLW) */ +#define MMU060_MA (0x08000000) /* misaligned */ +#define MMU060_LK (0x02000000) /* locked transfer */ +#define MMU060_RW (0x01800000) /* read/write */ +# define MMU060_RW_W (0x00800000) /* write */ +# define MMU060_RW_R (0x01000000) /* read */ +# define MMU060_RW_RMW (0x01800000) /* read/modify/write */ +# define MMU060_W (0x00800000) /* general write, includes rmw */ +#define MMU060_SIZ (0x00600000) /* transfer size */ +#define MMU060_TT (0x00180000) /* transfer type (TT) bits */ +#define MMU060_TM (0x00070000) /* transfer modifier (TM) bits */ +#define MMU060_IO (0x00008000) /* instruction or operand */ +#define MMU060_PBE (0x00004000) /* push buffer bus error */ +#define MMU060_SBE (0x00002000) /* store buffer bus error */ +#define MMU060_PTA (0x00001000) /* pointer A fault */ +#define MMU060_PTB (0x00000800) /* pointer B fault */ +#define MMU060_IL (0x00000400) /* double indirect descr fault */ +#define MMU060_PF (0x00000200) /* page fault (invalid descr) */ +#define MMU060_SP (0x00000100) /* supervisor protection */ +#define MMU060_WP (0x00000080) /* write protection */ +#define MMU060_TWE (0x00000040) /* bus error on table search */ +#define MMU060_RE (0x00000020) /* bus error on read */ +#define MMU060_WE (0x00000010) /* bus error on write */ +#define MMU060_TTR (0x00000008) /* error caused by TTR translation */ +#define MMU060_BPE (0x00000004) /* branch prediction error */ +#define MMU060_SEE (0x00000001) /* software emulated error */ + +/* cases of missing or invalid descriptors */ +#define MMU060_DESC_ERR (MMU060_PTA | MMU060_PTB | \ + MMU060_IL | MMU060_PF) +/* bits that indicate real errors */ +#define MMU060_ERR_BITS (MMU060_PBE | MMU060_SBE | MMU060_DESC_ERR | MMU060_SP | \ + MMU060_WP | MMU060_TWE | MMU060_RE | MMU060_WE) + +/* structure for stack frames */ + +struct frame { + struct pt_regs ptregs; + union { + struct { + unsigned long iaddr; /* instruction address */ + } fmt2; + struct { + unsigned long effaddr; /* effective address */ + } fmt3; + struct { + unsigned long effaddr; /* effective address */ + unsigned long pc; /* pc of faulted instr */ + } fmt4; + struct { + unsigned long effaddr; /* effective address */ + unsigned short ssw; /* special status word */ + unsigned short wb3s; /* write back 3 status */ + unsigned short wb2s; /* write back 2 status */ + unsigned short wb1s; /* write back 1 status */ + unsigned long faddr; /* fault address */ + unsigned long wb3a; /* write back 3 address */ + unsigned long wb3d; /* write back 3 data */ + unsigned long wb2a; /* write back 2 address */ + unsigned long wb2d; /* write back 2 data */ + unsigned long wb1a; /* write back 1 address */ + unsigned long wb1dpd0; /* write back 1 data/push data 0*/ + unsigned long pd1; /* push data 1*/ + unsigned long pd2; /* push data 2*/ + unsigned long pd3; /* push data 3*/ + } fmt7; + struct { + unsigned long iaddr; /* instruction address */ + unsigned short int1[4]; /* internal registers */ + } fmt9; + struct { + unsigned short int1; + unsigned short ssw; /* special status word */ + unsigned short isc; /* instruction stage c */ + unsigned short isb; /* instruction stage b */ + unsigned long daddr; /* data cycle fault address */ + unsigned short int2[2]; + unsigned long dobuf; /* data cycle output buffer */ + unsigned short int3[2]; + } fmta; + struct { + unsigned short int1; + unsigned short ssw; /* special status word */ + unsigned short isc; /* instruction stage c */ + unsigned short isb; /* instruction stage b */ + unsigned long daddr; /* data cycle fault address */ + unsigned short int2[2]; + unsigned long dobuf; /* data cycle output buffer */ + unsigned short int3[4]; + unsigned long baddr; /* stage B address */ + unsigned short int4[2]; + unsigned long dibuf; /* data cycle input buffer */ + unsigned short int5[3]; + unsigned ver : 4; /* stack frame version # */ + unsigned int6:12; + unsigned short int7[18]; + } fmtb; + } un; +}; + +#endif /* __ASSEMBLY__ */ + +#endif /* _M68K_TRAPS_H */ diff --git a/arch/m68k/include/asm/traps_mm.h b/arch/m68k/include/asm/traps_mm.h deleted file mode 100644 index 8caef25..0000000 --- a/arch/m68k/include/asm/traps_mm.h +++ /dev/null @@ -1,272 +0,0 @@ -/* - * linux/include/asm/traps.h - * - * Copyright (C) 1993 Hamish Macdonald - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#ifndef _M68K_TRAPS_H -#define _M68K_TRAPS_H - -#ifndef __ASSEMBLY__ - -#include -#include - -typedef void (*e_vector)(void); - -asmlinkage void auto_inthandler(void); -asmlinkage void user_inthandler(void); -asmlinkage void bad_inthandler(void); - -extern e_vector vectors[]; - -#endif - -#define VEC_RESETSP (0) -#define VEC_RESETPC (1) -#define VEC_BUSERR (2) -#define VEC_ADDRERR (3) -#define VEC_ILLEGAL (4) -#define VEC_ZERODIV (5) -#define VEC_CHK (6) -#define VEC_TRAP (7) -#define VEC_PRIV (8) -#define VEC_TRACE (9) -#define VEC_LINE10 (10) -#define VEC_LINE11 (11) -#define VEC_RESV12 (12) -#define VEC_COPROC (13) -#define VEC_FORMAT (14) -#define VEC_UNINT (15) -#define VEC_RESV16 (16) -#define VEC_RESV17 (17) -#define VEC_RESV18 (18) -#define VEC_RESV19 (19) -#define VEC_RESV20 (20) -#define VEC_RESV21 (21) -#define VEC_RESV22 (22) -#define VEC_RESV23 (23) -#define VEC_SPUR (24) -#define VEC_INT1 (25) -#define VEC_INT2 (26) -#define VEC_INT3 (27) -#define VEC_INT4 (28) -#define VEC_INT5 (29) -#define VEC_INT6 (30) -#define VEC_INT7 (31) -#define VEC_SYS (32) -#define VEC_TRAP1 (33) -#define VEC_TRAP2 (34) -#define VEC_TRAP3 (35) -#define VEC_TRAP4 (36) -#define VEC_TRAP5 (37) -#define VEC_TRAP6 (38) -#define VEC_TRAP7 (39) -#define VEC_TRAP8 (40) -#define VEC_TRAP9 (41) -#define VEC_TRAP10 (42) -#define VEC_TRAP11 (43) -#define VEC_TRAP12 (44) -#define VEC_TRAP13 (45) -#define VEC_TRAP14 (46) -#define VEC_TRAP15 (47) -#define VEC_FPBRUC (48) -#define VEC_FPIR (49) -#define VEC_FPDIVZ (50) -#define VEC_FPUNDER (51) -#define VEC_FPOE (52) -#define VEC_FPOVER (53) -#define VEC_FPNAN (54) -#define VEC_FPUNSUP (55) -#define VEC_MMUCFG (56) -#define VEC_MMUILL (57) -#define VEC_MMUACC (58) -#define VEC_RESV59 (59) -#define VEC_UNIMPEA (60) -#define VEC_UNIMPII (61) -#define VEC_RESV62 (62) -#define VEC_RESV63 (63) -#define VEC_USER (64) - -#define VECOFF(vec) ((vec)<<2) - -#ifndef __ASSEMBLY__ - -/* Status register bits */ -#define PS_T (0x8000) -#define PS_S (0x2000) -#define PS_M (0x1000) -#define PS_C (0x0001) - -/* bits for 68020/68030 special status word */ - -#define FC (0x8000) -#define FB (0x4000) -#define RC (0x2000) -#define RB (0x1000) -#define DF (0x0100) -#define RM (0x0080) -#define RW (0x0040) -#define SZ (0x0030) -#define DFC (0x0007) - -/* bits for 68030 MMU status register (mmusr,psr) */ - -#define MMU_B (0x8000) /* bus error */ -#define MMU_L (0x4000) /* limit violation */ -#define MMU_S (0x2000) /* supervisor violation */ -#define MMU_WP (0x0800) /* write-protected */ -#define MMU_I (0x0400) /* invalid descriptor */ -#define MMU_M (0x0200) /* ATC entry modified */ -#define MMU_T (0x0040) /* transparent translation */ -#define MMU_NUM (0x0007) /* number of levels traversed */ - - -/* bits for 68040 special status word */ -#define CP_040 (0x8000) -#define CU_040 (0x4000) -#define CT_040 (0x2000) -#define CM_040 (0x1000) -#define MA_040 (0x0800) -#define ATC_040 (0x0400) -#define LK_040 (0x0200) -#define RW_040 (0x0100) -#define SIZ_040 (0x0060) -#define TT_040 (0x0018) -#define TM_040 (0x0007) - -/* bits for 68040 write back status word */ -#define WBV_040 (0x80) -#define WBSIZ_040 (0x60) -#define WBBYT_040 (0x20) -#define WBWRD_040 (0x40) -#define WBLNG_040 (0x00) -#define WBTT_040 (0x18) -#define WBTM_040 (0x07) - -/* bus access size codes */ -#define BA_SIZE_BYTE (0x20) -#define BA_SIZE_WORD (0x40) -#define BA_SIZE_LONG (0x00) -#define BA_SIZE_LINE (0x60) - -/* bus access transfer type codes */ -#define BA_TT_MOVE16 (0x08) - -/* bits for 68040 MMU status register (mmusr) */ -#define MMU_B_040 (0x0800) -#define MMU_G_040 (0x0400) -#define MMU_S_040 (0x0080) -#define MMU_CM_040 (0x0060) -#define MMU_M_040 (0x0010) -#define MMU_WP_040 (0x0004) -#define MMU_T_040 (0x0002) -#define MMU_R_040 (0x0001) - -/* bits in the 68060 fault status long word (FSLW) */ -#define MMU060_MA (0x08000000) /* misaligned */ -#define MMU060_LK (0x02000000) /* locked transfer */ -#define MMU060_RW (0x01800000) /* read/write */ -# define MMU060_RW_W (0x00800000) /* write */ -# define MMU060_RW_R (0x01000000) /* read */ -# define MMU060_RW_RMW (0x01800000) /* read/modify/write */ -# define MMU060_W (0x00800000) /* general write, includes rmw */ -#define MMU060_SIZ (0x00600000) /* transfer size */ -#define MMU060_TT (0x00180000) /* transfer type (TT) bits */ -#define MMU060_TM (0x00070000) /* transfer modifier (TM) bits */ -#define MMU060_IO (0x00008000) /* instruction or operand */ -#define MMU060_PBE (0x00004000) /* push buffer bus error */ -#define MMU060_SBE (0x00002000) /* store buffer bus error */ -#define MMU060_PTA (0x00001000) /* pointer A fault */ -#define MMU060_PTB (0x00000800) /* pointer B fault */ -#define MMU060_IL (0x00000400) /* double indirect descr fault */ -#define MMU060_PF (0x00000200) /* page fault (invalid descr) */ -#define MMU060_SP (0x00000100) /* supervisor protection */ -#define MMU060_WP (0x00000080) /* write protection */ -#define MMU060_TWE (0x00000040) /* bus error on table search */ -#define MMU060_RE (0x00000020) /* bus error on read */ -#define MMU060_WE (0x00000010) /* bus error on write */ -#define MMU060_TTR (0x00000008) /* error caused by TTR translation */ -#define MMU060_BPE (0x00000004) /* branch prediction error */ -#define MMU060_SEE (0x00000001) /* software emulated error */ - -/* cases of missing or invalid descriptors */ -#define MMU060_DESC_ERR (MMU060_PTA | MMU060_PTB | \ - MMU060_IL | MMU060_PF) -/* bits that indicate real errors */ -#define MMU060_ERR_BITS (MMU060_PBE | MMU060_SBE | MMU060_DESC_ERR | MMU060_SP | \ - MMU060_WP | MMU060_TWE | MMU060_RE | MMU060_WE) - -/* structure for stack frames */ - -struct frame { - struct pt_regs ptregs; - union { - struct { - unsigned long iaddr; /* instruction address */ - } fmt2; - struct { - unsigned long effaddr; /* effective address */ - } fmt3; - struct { - unsigned long effaddr; /* effective address */ - unsigned long pc; /* pc of faulted instr */ - } fmt4; - struct { - unsigned long effaddr; /* effective address */ - unsigned short ssw; /* special status word */ - unsigned short wb3s; /* write back 3 status */ - unsigned short wb2s; /* write back 2 status */ - unsigned short wb1s; /* write back 1 status */ - unsigned long faddr; /* fault address */ - unsigned long wb3a; /* write back 3 address */ - unsigned long wb3d; /* write back 3 data */ - unsigned long wb2a; /* write back 2 address */ - unsigned long wb2d; /* write back 2 data */ - unsigned long wb1a; /* write back 1 address */ - unsigned long wb1dpd0; /* write back 1 data/push data 0*/ - unsigned long pd1; /* push data 1*/ - unsigned long pd2; /* push data 2*/ - unsigned long pd3; /* push data 3*/ - } fmt7; - struct { - unsigned long iaddr; /* instruction address */ - unsigned short int1[4]; /* internal registers */ - } fmt9; - struct { - unsigned short int1; - unsigned short ssw; /* special status word */ - unsigned short isc; /* instruction stage c */ - unsigned short isb; /* instruction stage b */ - unsigned long daddr; /* data cycle fault address */ - unsigned short int2[2]; - unsigned long dobuf; /* data cycle output buffer */ - unsigned short int3[2]; - } fmta; - struct { - unsigned short int1; - unsigned short ssw; /* special status word */ - unsigned short isc; /* instruction stage c */ - unsigned short isb; /* instruction stage b */ - unsigned long daddr; /* data cycle fault address */ - unsigned short int2[2]; - unsigned long dobuf; /* data cycle output buffer */ - unsigned short int3[4]; - unsigned long baddr; /* stage B address */ - unsigned short int4[2]; - unsigned long dibuf; /* data cycle input buffer */ - unsigned short int5[3]; - unsigned ver : 4; /* stack frame version # */ - unsigned int6:12; - unsigned short int7[18]; - } fmtb; - } un; -}; - -#endif /* __ASSEMBLY__ */ - -#endif /* _M68K_TRAPS_H */ diff --git a/arch/m68k/include/asm/traps_no.h b/arch/m68k/include/asm/traps_no.h deleted file mode 100644 index d0671e5..0000000 --- a/arch/m68k/include/asm/traps_no.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * linux/include/asm/traps.h - * - * Copyright (C) 1993 Hamish Macdonald - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#ifndef _M68KNOMMU_TRAPS_H -#define _M68KNOMMU_TRAPS_H - -#ifndef __ASSEMBLY__ - -typedef void (*e_vector)(void); - -extern e_vector vectors[]; -extern void init_vectors(void); -extern void enable_vector(unsigned int irq); -extern void disable_vector(unsigned int irq); -extern void ack_vector(unsigned int irq); - -#endif - -#define VEC_BUSERR (2) -#define VEC_ADDRERR (3) -#define VEC_ILLEGAL (4) -#define VEC_ZERODIV (5) -#define VEC_CHK (6) -#define VEC_TRAP (7) -#define VEC_PRIV (8) -#define VEC_TRACE (9) -#define VEC_LINE10 (10) -#define VEC_LINE11 (11) -#define VEC_RESV1 (12) -#define VEC_COPROC (13) -#define VEC_FORMAT (14) -#define VEC_UNINT (15) -#define VEC_SPUR (24) -#define VEC_INT1 (25) -#define VEC_INT2 (26) -#define VEC_INT3 (27) -#define VEC_INT4 (28) -#define VEC_INT5 (29) -#define VEC_INT6 (30) -#define VEC_INT7 (31) -#define VEC_SYS (32) -#define VEC_TRAP1 (33) -#define VEC_TRAP2 (34) -#define VEC_TRAP3 (35) -#define VEC_TRAP4 (36) -#define VEC_TRAP5 (37) -#define VEC_TRAP6 (38) -#define VEC_TRAP7 (39) -#define VEC_TRAP8 (40) -#define VEC_TRAP9 (41) -#define VEC_TRAP10 (42) -#define VEC_TRAP11 (43) -#define VEC_TRAP12 (44) -#define VEC_TRAP13 (45) -#define VEC_TRAP14 (46) -#define VEC_TRAP15 (47) -#define VEC_FPBRUC (48) -#define VEC_FPIR (49) -#define VEC_FPDIVZ (50) -#define VEC_FPUNDER (51) -#define VEC_FPOE (52) -#define VEC_FPOVER (53) -#define VEC_FPNAN (54) -#define VEC_FPUNSUP (55) -#define VEC_UNIMPEA (60) -#define VEC_UNIMPII (61) -#define VEC_USER (64) - -#define VECOFF(vec) ((vec)<<2) - -#ifndef __ASSEMBLY__ - -/* Status register bits */ -#define PS_T (0x8000) -#define PS_S (0x2000) -#define PS_M (0x1000) -#define PS_C (0x0001) - -/* structure for stack frames */ - -struct frame { - struct pt_regs ptregs; - union { - struct { - unsigned long iaddr; /* instruction address */ - } fmt2; - struct { - unsigned long effaddr; /* effective address */ - } fmt3; - struct { - unsigned long effaddr; /* effective address */ - unsigned long pc; /* pc of faulted instr */ - } fmt4; - struct { - unsigned long effaddr; /* effective address */ - unsigned short ssw; /* special status word */ - unsigned short wb3s; /* write back 3 status */ - unsigned short wb2s; /* write back 2 status */ - unsigned short wb1s; /* write back 1 status */ - unsigned long faddr; /* fault address */ - unsigned long wb3a; /* write back 3 address */ - unsigned long wb3d; /* write back 3 data */ - unsigned long wb2a; /* write back 2 address */ - unsigned long wb2d; /* write back 2 data */ - unsigned long wb1a; /* write back 1 address */ - unsigned long wb1dpd0; /* write back 1 data/push data 0*/ - unsigned long pd1; /* push data 1*/ - unsigned long pd2; /* push data 2*/ - unsigned long pd3; /* push data 3*/ - } fmt7; - struct { - unsigned long iaddr; /* instruction address */ - unsigned short int1[4]; /* internal registers */ - } fmt9; - struct { - unsigned short int1; - unsigned short ssw; /* special status word */ - unsigned short isc; /* instruction stage c */ - unsigned short isb; /* instruction stage b */ - unsigned long daddr; /* data cycle fault address */ - unsigned short int2[2]; - unsigned long dobuf; /* data cycle output buffer */ - unsigned short int3[2]; - } fmta; - struct { - unsigned short int1; - unsigned short ssw; /* special status word */ - unsigned short isc; /* instruction stage c */ - unsigned short isb; /* instruction stage b */ - unsigned long daddr; /* data cycle fault address */ - unsigned short int2[2]; - unsigned long dobuf; /* data cycle output buffer */ - unsigned short int3[4]; - unsigned long baddr; /* stage B address */ - unsigned short int4[2]; - unsigned long dibuf; /* data cycle input buffer */ - unsigned short int5[3]; - unsigned ver : 4; /* stack frame version # */ - unsigned int6:12; - unsigned short int7[18]; - } fmtb; - } un; -}; - -#endif /* __ASSEMBLY__ */ - -#endif /* _M68KNOMMU_TRAPS_H */ -- cgit v1.1 From 0c37dd7c41b7391698bbe354b81fe9909c281984 Mon Sep 17 00:00:00 2001 From: Henrik Kretzschmar Date: Fri, 20 Aug 2010 19:13:24 +0200 Subject: fbdev/m68k: Fix section mismatches in q40fb.c This patch moves the q40_fix and q40_var structures from .init.data to .devinit.data. This is where now the probe function resides, which only uses them. Signed-off-by: Henrik Kretzschmar Signed-off-by: Geert Uytterhoeven --- drivers/video/q40fb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/q40fb.c b/drivers/video/q40fb.c index fc32c32..f5a39f5 100644 --- a/drivers/video/q40fb.c +++ b/drivers/video/q40fb.c @@ -28,7 +28,7 @@ #define Q40_PHYS_SCREEN_ADDR 0xFE800000 -static struct fb_fix_screeninfo q40fb_fix __initdata = { +static struct fb_fix_screeninfo q40fb_fix __devinitdata = { .id = "Q40", .smem_len = 1024*1024, .type = FB_TYPE_PACKED_PIXELS, @@ -37,7 +37,7 @@ static struct fb_fix_screeninfo q40fb_fix __initdata = { .accel = FB_ACCEL_NONE, }; -static struct fb_var_screeninfo q40fb_var __initdata = { +static struct fb_var_screeninfo q40fb_var __devinitdata = { .xres = 1024, .yres = 512, .xres_virtual = 1024, -- cgit v1.1 From 10b68799b32d60ff578742d0deebc98afff30dba Mon Sep 17 00:00:00 2001 From: Vasiliy Kulikov Date: Sun, 19 Sep 2010 16:55:21 +0400 Subject: zorro: Fix device_register() error handling If device_register() fails then call put_device(). See comment to device_register. Signed-off-by: Vasiliy Kulikov Signed-off-by: Geert Uytterhoeven --- drivers/zorro/zorro.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c index 6455f3a..e0c2807 100644 --- a/drivers/zorro/zorro.c +++ b/drivers/zorro/zorro.c @@ -142,6 +142,7 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) error = device_register(&bus->dev); if (error) { pr_err("Zorro: Error registering zorro_bus\n"); + put_device(&bus->dev); kfree(bus); return error; } @@ -175,6 +176,7 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) if (error) { dev_err(&bus->dev, "Error registering device %s\n", z->name); + put_device(&z->dev); continue; } error = zorro_create_sysfs_dev_files(z); -- cgit v1.1 From 8ce71db25edccde4d8e3e39bffb4178bf1018ef1 Mon Sep 17 00:00:00 2001 From: Christian Dietrich Date: Mon, 6 Sep 2010 16:36:47 +0200 Subject: fbdev: atafb - Remove undead ifdef ATAFB_FALCON The ATAFB_FALCON ifdef isn't necessary at this point, because it is checked in an outer ifdef level already and has no effect here. Signed-off-by: Christian Dietrich Acked-by: Krzysztof Helt Signed-off-by: Geert Uytterhoeven --- drivers/video/atafb.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c index f3aada2..5b2b5ef 100644 --- a/drivers/video/atafb.c +++ b/drivers/video/atafb.c @@ -1718,11 +1718,9 @@ static int falcon_setcolreg(unsigned int regno, unsigned int red, (((red & 0xe000) >> 13) | ((red & 0x1000) >> 12) << 8) | (((green & 0xe000) >> 13) | ((green & 0x1000) >> 12) << 4) | ((blue & 0xe000) >> 13) | ((blue & 0x1000) >> 12); -#ifdef ATAFB_FALCON ((u32 *)info->pseudo_palette)[regno] = ((red & 0xf800) | ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11)); -#endif } return 0; } -- cgit v1.1 From 22e58f9de5d140116eb3a30d5e54396e3030bed2 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Sat, 2 Oct 2010 19:32:41 +0200 Subject: m68k: __pa(): cast arg to long Fixes this: drivers/char/mem.c: In function 'mmap_kmem': drivers/char/mem.c:342: warning: cast to pointer from integer of different size by doing what other archtiectures do. Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/page_mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index 66f0b39..31d5570 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -80,7 +80,7 @@ static inline unsigned long ___pa(void *vaddr) : "0" (vaddr), "i" (m68k_fixup_memoffset)); return paddr; } -#define __pa(vaddr) ___pa((void *)(vaddr)) +#define __pa(vaddr) ___pa((void *)(long)(vaddr)) static inline void *__va(unsigned long paddr) { void *vaddr; -- cgit v1.1 From 2f81a18446c3061b74f4770eb95adeba2a864b0f Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 14 Sep 2010 21:34:58 +0200 Subject: m68k: Remove big kernel lock in cache flush code The cache flush code doesn't need a lock, so we can remove the use of the BKL. Signed-off-by: Geert Uytterhoeven Reported-by: Arnd Bergmann Suggested-by: Andreas Schwab --- arch/m68k/kernel/sys_m68k.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 2f431ec..3db2e7f 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include @@ -377,7 +376,6 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) struct vm_area_struct *vma; int ret = -EINVAL; - lock_kernel(); if (scope < FLUSH_SCOPE_LINE || scope > FLUSH_SCOPE_ALL || cache & ~FLUSH_CACHE_BOTH) goto out; @@ -446,7 +444,6 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) } } out: - unlock_kernel(); return ret; } -- cgit v1.1 From 779b7e64b536ff65bcd40c0292871d2bb9b6d6e5 Mon Sep 17 00:00:00 2001 From: Thorsten Glaser Date: Sun, 3 Oct 2010 18:48:51 +0000 Subject: m68k: Add missing I/O macros {in,out}{w,l}_p() for !CONFIG_ISA On m68k, I/O macros like inb() outw() etc. are only defined to something useful if CONFIG_ISA is set; dummies are in place if not, but four macros were missing from the !CONFIG_ISA case. Adding these makes some drivers, such as speakup, compile again. Signed-off-by: Thorsten Glaser Signed-off-by: Geert Uytterhoeven --- arch/m68k/include/asm/io_mm.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 125cb60..0fb3468 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -250,9 +250,13 @@ static inline void isa_delay(void) #define outb(val,port) ((void)0) #define outb_p(val,port) ((void)0) #define inw(port) 0xffff +#define inw_p(port) 0xffff #define outw(val,port) ((void)0) +#define outw_p(val,port) ((void)0) #define inl(port) 0xffffffffUL +#define inl_p(port) 0xffffffffUL #define outl(val,port) ((void)0) +#define outl_p(val,port) ((void)0) #define insb(port,buf,nr) ((void)0) #define outsb(port,buf,nr) ((void)0) -- cgit v1.1