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-rw-r--r--include/asm-m68knommu/checksum.h46
-rw-r--r--include/asm-m68knommu/device.h7
-rw-r--r--include/asm-m68knommu/dma-mapping.h3
-rw-r--r--include/asm-m68knommu/irq.h1
-rw-r--r--include/asm-m68knommu/irq_regs.h1
-rw-r--r--include/asm-m68knommu/irqnode.h8
-rw-r--r--include/asm-m68knommu/m520xsim.h12
-rw-r--r--include/asm-m68knommu/machdep.h2
-rw-r--r--include/asm-m68knommu/mcfmbus.h2
-rw-r--r--include/asm-m68knommu/rtc.h1
-rw-r--r--include/asm-m68knommu/scatterlist.h2
-rw-r--r--include/asm-m68knommu/setup.h5
-rw-r--r--include/asm-m68knommu/ucontext.h6
-rw-r--r--include/asm-m68knommu/unistd.h150
14 files changed, 57 insertions, 189 deletions
diff --git a/include/asm-m68knommu/checksum.h b/include/asm-m68knommu/checksum.h
index 294ec7583ac9..81883482ffb1 100644
--- a/include/asm-m68knommu/checksum.h
+++ b/include/asm-m68knommu/checksum.h
@@ -15,7 +15,7 @@
15 * 15 *
16 * it's best to have buff aligned on a 32-bit boundary 16 * it's best to have buff aligned on a 32-bit boundary
17 */ 17 */
18unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum); 18__wsum csum_partial(const void *buff, int len, __wsum sum);
19 19
20/* 20/*
21 * the same as csum_partial, but copies from src while it 21 * the same as csum_partial, but copies from src while it
@@ -25,8 +25,8 @@ unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum)
25 * better 64-bit) boundary 25 * better 64-bit) boundary
26 */ 26 */
27 27
28unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst, 28__wsum csum_partial_copy_nocheck(const void *src, void *dst,
29 int len, int sum); 29 int len, __wsum sum);
30 30
31 31
32/* 32/*
@@ -36,33 +36,31 @@ unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst,
36 * better 64-bit) boundary 36 * better 64-bit) boundary
37 */ 37 */
38 38
39extern unsigned int csum_partial_copy_from_user(const unsigned char *src, 39extern __wsum csum_partial_copy_from_user(const void __user *src,
40 unsigned char *dst, int len, int sum, int *csum_err); 40 void *dst, int len, __wsum sum, int *csum_err);
41 41
42#define csum_partial_copy_nocheck(src, dst, len, sum) \ 42__sum16 ip_fast_csum(const void *iph, unsigned int ihl);
43 csum_partial_copy((src), (dst), (len), (sum))
44
45unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl);
46 43
47/* 44/*
48 * Fold a partial checksum 45 * Fold a partial checksum
49 */ 46 */
50 47
51static inline unsigned int csum_fold(unsigned int sum) 48static inline __sum16 csum_fold(__wsum sum)
52{ 49{
50 unsigned int tmp = (__force u32)sum;
53#ifdef CONFIG_COLDFIRE 51#ifdef CONFIG_COLDFIRE
54 sum = (sum & 0xffff) + (sum >> 16); 52 tmp = (tmp & 0xffff) + (tmp >> 16);
55 sum = (sum & 0xffff) + (sum >> 16); 53 tmp = (tmp & 0xffff) + (tmp >> 16);
54 return (__force __sum16)~tmp;
56#else 55#else
57 unsigned int tmp = sum;
58 __asm__("swap %1\n\t" 56 __asm__("swap %1\n\t"
59 "addw %1, %0\n\t" 57 "addw %1, %0\n\t"
60 "clrw %1\n\t" 58 "clrw %1\n\t"
61 "addxw %1, %0" 59 "addxw %1, %0"
62 : "=&d" (sum), "=&d" (tmp) 60 : "=&d" (sum), "=&d" (tmp)
63 : "0" (sum), "1" (sum)); 61 : "0" (sum), "1" (sum));
62 return (__force __sum16)~sum;
64#endif 63#endif
65 return ~sum;
66} 64}
67 65
68 66
@@ -71,9 +69,9 @@ static inline unsigned int csum_fold(unsigned int sum)
71 * returns a 16-bit checksum, already complemented 69 * returns a 16-bit checksum, already complemented
72 */ 70 */
73 71
74static inline unsigned int 72static inline __wsum
75csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len, 73csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
76 unsigned short proto, unsigned int sum) 74 unsigned short proto, __wsum sum)
77{ 75{
78 __asm__ ("addl %1,%0\n\t" 76 __asm__ ("addl %1,%0\n\t"
79 "addxl %4,%0\n\t" 77 "addxl %4,%0\n\t"
@@ -86,9 +84,9 @@ csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr, unsigned short len,
86 return sum; 84 return sum;
87} 85}
88 86
89static inline unsigned short int 87static inline __sum16
90csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len, 88csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
91 unsigned short proto, unsigned int sum) 89 unsigned short proto, __wsum sum)
92{ 90{
93 return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); 91 return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
94} 92}
@@ -98,12 +96,12 @@ csum_tcpudp_magic(unsigned long saddr, unsigned long daddr, unsigned short len,
98 * in icmp.c 96 * in icmp.c
99 */ 97 */
100 98
101extern unsigned short ip_compute_csum(const unsigned char * buff, int len); 99extern __sum16 ip_compute_csum(const void *buff, int len);
102 100
103#define _HAVE_ARCH_IPV6_CSUM 101#define _HAVE_ARCH_IPV6_CSUM
104static __inline__ unsigned short int 102static __inline__ __sum16
105csum_ipv6_magic(struct in6_addr *saddr, struct in6_addr *daddr, 103csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr,
106 __u32 len, unsigned short proto, unsigned int sum) 104 __u32 len, unsigned short proto, __wsum sum)
107{ 105{
108 register unsigned long tmp; 106 register unsigned long tmp;
109 __asm__("addl %2@,%0\n\t" 107 __asm__("addl %2@,%0\n\t"
diff --git a/include/asm-m68knommu/device.h b/include/asm-m68knommu/device.h
new file mode 100644
index 000000000000..d8f9872b0e2d
--- /dev/null
+++ b/include/asm-m68knommu/device.h
@@ -0,0 +1,7 @@
1/*
2 * Arch specific extensions to struct device
3 *
4 * This file is released under the GPLv2
5 */
6#include <asm-generic/device.h>
7
diff --git a/include/asm-m68knommu/dma-mapping.h b/include/asm-m68knommu/dma-mapping.h
index 5622b855a577..6aeab18e58bd 100644
--- a/include/asm-m68knommu/dma-mapping.h
+++ b/include/asm-m68knommu/dma-mapping.h
@@ -1,9 +1,10 @@
1#ifndef _M68KNOMMU_DMA_MAPPING_H 1#ifndef _M68KNOMMU_DMA_MAPPING_H
2#define _M68KNOMMU_DMA_MAPPING_H 2#define _M68KNOMMU_DMA_MAPPING_H
3 3
4
5#ifdef CONFIG_PCI 4#ifdef CONFIG_PCI
6#include <asm-generic/dma-mapping.h> 5#include <asm-generic/dma-mapping.h>
6#else
7#include <asm-generic/dma-mapping-broken.h>
7#endif 8#endif
8 9
9#endif /* _M68KNOMMU_DMA_MAPPING_H */ 10#endif /* _M68KNOMMU_DMA_MAPPING_H */
diff --git a/include/asm-m68knommu/irq.h b/include/asm-m68knommu/irq.h
index 45e7a2fd1689..7b8f874f8429 100644
--- a/include/asm-m68knommu/irq.h
+++ b/include/asm-m68knommu/irq.h
@@ -86,5 +86,6 @@ extern void (*mach_disable_irq)(unsigned int);
86#define enable_irq(x) do { } while (0) 86#define enable_irq(x) do { } while (0)
87#define disable_irq(x) do { } while (0) 87#define disable_irq(x) do { } while (0)
88#define disable_irq_nosync(x) disable_irq(x) 88#define disable_irq_nosync(x) disable_irq(x)
89#define irq_canonicalize(irq) (irq)
89 90
90#endif /* _M68K_IRQ_H_ */ 91#endif /* _M68K_IRQ_H_ */
diff --git a/include/asm-m68knommu/irq_regs.h b/include/asm-m68knommu/irq_regs.h
new file mode 100644
index 000000000000..3dd9c0b70270
--- /dev/null
+++ b/include/asm-m68knommu/irq_regs.h
@@ -0,0 +1 @@
#include <asm-generic/irq_regs.h>
diff --git a/include/asm-m68knommu/irqnode.h b/include/asm-m68knommu/irqnode.h
index a2503dfc554c..6132a9858b52 100644
--- a/include/asm-m68knommu/irqnode.h
+++ b/include/asm-m68knommu/irqnode.h
@@ -8,7 +8,7 @@
8 * interrupt source (if it supports chaining). 8 * interrupt source (if it supports chaining).
9 */ 9 */
10typedef struct irq_node { 10typedef struct irq_node {
11 irqreturn_t (*handler)(int, void *, struct pt_regs *); 11 irq_handler_t handler;
12 unsigned long flags; 12 unsigned long flags;
13 void *dev_id; 13 void *dev_id;
14 const char *devname; 14 const char *devname;
@@ -18,12 +18,12 @@ typedef struct irq_node {
18/* 18/*
19 * This structure has only 4 elements for speed reasons 19 * This structure has only 4 elements for speed reasons
20 */ 20 */
21typedef struct irq_handler { 21struct irq_entry {
22 irqreturn_t (*handler)(int, void *, struct pt_regs *); 22 irq_handler_t handler;
23 unsigned long flags; 23 unsigned long flags;
24 void *dev_id; 24 void *dev_id;
25 const char *devname; 25 const char *devname;
26} irq_handler_t; 26};
27 27
28/* count of spurious interrupts */ 28/* count of spurious interrupts */
29extern volatile unsigned int num_spurious; 29extern volatile unsigned int num_spurious;
diff --git a/include/asm-m68knommu/m520xsim.h b/include/asm-m68knommu/m520xsim.h
index 1dac22ea95ba..49d016e6391a 100644
--- a/include/asm-m68knommu/m520xsim.h
+++ b/include/asm-m68knommu/m520xsim.h
@@ -31,6 +31,16 @@
31#define MCFINT_QSPI 31 /* Interrupt number for QSPI */ 31#define MCFINT_QSPI 31 /* Interrupt number for QSPI */
32#define MCFINT_PIT1 4 /* Interrupt number for PIT1 (PIT0 in processor) */ 32#define MCFINT_PIT1 4 /* Interrupt number for PIT1 (PIT0 in processor) */
33 33
34/*
35 * SDRAM configuration registers.
36 */
37#define MCFSIM_SDMR 0x000a8000 /* SDRAM Mode/Extended Mode Register */
38#define MCFSIM_SDCR 0x000a8004 /* SDRAM Control Register */
39#define MCFSIM_SDCFG1 0x000a8008 /* SDRAM Configuration Register 1 */
40#define MCFSIM_SDCFG2 0x000a800c /* SDRAM Configuration Register 2 */
41#define MCFSIM_SDCS0 0x000a8110 /* SDRAM Chip Select 0 Configuration */
42#define MCFSIM_SDCS1 0x000a8114 /* SDRAM Chip Select 1 Configuration */
43
34 44
35#define MCF_GPIO_PAR_UART (0xA4036) 45#define MCF_GPIO_PAR_UART (0xA4036)
36#define MCF_GPIO_PAR_FECI2C (0xA4033) 46#define MCF_GPIO_PAR_FECI2C (0xA4033)
@@ -47,7 +57,7 @@
47 57
48#define ICR_INTRCONF 0x05 58#define ICR_INTRCONF 0x05
49#define MCFPIT_IMR MCFINTC_IMRL 59#define MCFPIT_IMR MCFINTC_IMRL
50#define MCFPIT_IMR_IBIT (1 << MCFINT_PIT1) 60#define MCFPIT_IMR_IBIT (1 << MCFINT_PIT1)
51 61
52/****************************************************************************/ 62/****************************************************************************/
53#endif /* m520xsim_h */ 63#endif /* m520xsim_h */
diff --git a/include/asm-m68knommu/machdep.h b/include/asm-m68knommu/machdep.h
index 27c90afd3339..6ce28f8e0ead 100644
--- a/include/asm-m68knommu/machdep.h
+++ b/include/asm-m68knommu/machdep.h
@@ -18,7 +18,7 @@ extern int (*mach_kbdrate) (struct kbd_repeat *);
18extern void (*mach_kbd_leds) (unsigned int); 18extern void (*mach_kbd_leds) (unsigned int);
19/* machine dependent irq functions */ 19/* machine dependent irq functions */
20extern void (*mach_init_IRQ) (void); 20extern void (*mach_init_IRQ) (void);
21extern irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *); 21extern irq_handler_t mach_default_handler;
22extern int (*mach_request_irq) (unsigned int irq, void (*handler)(int, void *, struct pt_regs *), 22extern int (*mach_request_irq) (unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
23 unsigned long flags, const char *devname, void *dev_id); 23 unsigned long flags, const char *devname, void *dev_id);
24extern void (*mach_free_irq) (unsigned int irq, void *dev_id); 24extern void (*mach_free_irq) (unsigned int irq, void *dev_id);
diff --git a/include/asm-m68knommu/mcfmbus.h b/include/asm-m68knommu/mcfmbus.h
index 13df9d41bd1a..319899c47a2c 100644
--- a/include/asm-m68knommu/mcfmbus.h
+++ b/include/asm-m68knommu/mcfmbus.h
@@ -37,7 +37,7 @@
37#define MCFMBUS_MFDR_MBC(a) ((a)&0x3F) /*M-Bus Clock*/ 37#define MCFMBUS_MFDR_MBC(a) ((a)&0x3F) /*M-Bus Clock*/
38 38
39/* 39/*
40* Define bit flags in Controll Register 40* Define bit flags in Control Register
41*/ 41*/
42 42
43#define MCFMBUS_MBCR_MEN (0x80) /* M-Bus Enable */ 43#define MCFMBUS_MBCR_MEN (0x80) /* M-Bus Enable */
diff --git a/include/asm-m68knommu/rtc.h b/include/asm-m68knommu/rtc.h
new file mode 100644
index 000000000000..eaf18ec83c8e
--- /dev/null
+++ b/include/asm-m68knommu/rtc.h
@@ -0,0 +1 @@
#include <asm-m68k/rtc.h>
diff --git a/include/asm-m68knommu/scatterlist.h b/include/asm-m68knommu/scatterlist.h
index 12309b181d29..2085d6ff8782 100644
--- a/include/asm-m68knommu/scatterlist.h
+++ b/include/asm-m68knommu/scatterlist.h
@@ -10,7 +10,7 @@ struct scatterlist {
10 unsigned int length; 10 unsigned int length;
11}; 11};
12 12
13#define sg_address(sg) (page_address((sg)->page) + (sg)->offset 13#define sg_address(sg) (page_address((sg)->page) + (sg)->offset)
14#define sg_dma_address(sg) ((sg)->dma_address) 14#define sg_dma_address(sg) ((sg)->dma_address)
15#define sg_dma_len(sg) ((sg)->length) 15#define sg_dma_len(sg) ((sg)->length)
16 16
diff --git a/include/asm-m68knommu/setup.h b/include/asm-m68knommu/setup.h
index d2b0fcce41b2..fb86bb2a6078 100644
--- a/include/asm-m68knommu/setup.h
+++ b/include/asm-m68knommu/setup.h
@@ -1,5 +1,10 @@
1#ifdef __KERNEL__
2
1#include <asm-m68k/setup.h> 3#include <asm-m68k/setup.h>
2 4
3/* We have a bigger command line buffer. */ 5/* We have a bigger command line buffer. */
4#undef COMMAND_LINE_SIZE 6#undef COMMAND_LINE_SIZE
7
8#endif /* __KERNEL__ */
9
5#define COMMAND_LINE_SIZE 512 10#define COMMAND_LINE_SIZE 512
diff --git a/include/asm-m68knommu/ucontext.h b/include/asm-m68knommu/ucontext.h
index 5d570cedbb02..713a27f901cd 100644
--- a/include/asm-m68knommu/ucontext.h
+++ b/include/asm-m68knommu/ucontext.h
@@ -5,21 +5,17 @@ typedef int greg_t;
5#define NGREG 18 5#define NGREG 18
6typedef greg_t gregset_t[NGREG]; 6typedef greg_t gregset_t[NGREG];
7 7
8#ifdef CONFIG_FPU
9typedef struct fpregset { 8typedef struct fpregset {
10 int f_pcr; 9 int f_pcr;
11 int f_psr; 10 int f_psr;
12 int f_fpiaddr; 11 int f_fpiaddr;
13 int f_fpregs[8][3]; 12 int f_fpregs[8][3];
14} fpregset_t; 13} fpregset_t;
15#endif
16 14
17struct mcontext { 15struct mcontext {
18 int version; 16 int version;
19 gregset_t gregs; 17 gregset_t gregs;
20#ifdef CONFIG_FPU
21 fpregset_t fpregs; 18 fpregset_t fpregs;
22#endif
23}; 19};
24 20
25#define MCONTEXT_VERSION 2 21#define MCONTEXT_VERSION 2
@@ -29,9 +25,7 @@ struct ucontext {
29 struct ucontext *uc_link; 25 struct ucontext *uc_link;
30 stack_t uc_stack; 26 stack_t uc_stack;
31 struct mcontext uc_mcontext; 27 struct mcontext uc_mcontext;
32#ifdef CONFIG_FPU
33 unsigned long uc_filler[80]; 28 unsigned long uc_filler[80];
34#endif
35 sigset_t uc_sigmask; /* mask last for extensibility */ 29 sigset_t uc_sigmask; /* mask last for extensibility */
36}; 30};
37 31
diff --git a/include/asm-m68knommu/unistd.h b/include/asm-m68knommu/unistd.h
index ebaf03197114..82e03195f325 100644
--- a/include/asm-m68knommu/unistd.h
+++ b/include/asm-m68knommu/unistd.h
@@ -318,156 +318,6 @@
318#ifdef __KERNEL__ 318#ifdef __KERNEL__
319 319
320#define NR_syscalls 311 320#define NR_syscalls 311
321#include <linux/err.h>
322
323/* user-visible error numbers are in the range -1 - -MAX_ERRNO: see
324 <asm-m68k/errno.h> */
325
326#define __syscall_return(type, res) \
327do { \
328 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
329 /* avoid using res which is declared to be in register d0; \
330 errno might expand to a function call and clobber it. */ \
331 int __err = -(res); \
332 errno = __err; \
333 res = -1; \
334 } \
335 return (type) (res); \
336} while (0)
337
338#define _syscall0(type, name) \
339type name(void) \
340{ \
341 long __res; \
342 __asm__ __volatile__ ("movel %1, %%d0\n\t" \
343 "trap #0\n\t" \
344 "movel %%d0, %0" \
345 : "=g" (__res) \
346 : "i" (__NR_##name) \
347 : "cc", "%d0"); \
348 if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
349 errno = -__res; \
350 __res = -1; \
351 } \
352 return (type)__res; \
353}
354
355#define _syscall1(type, name, atype, a) \
356type name(atype a) \
357{ \
358 long __res; \
359 __asm__ __volatile__ ("movel %2, %%d1\n\t" \
360 "movel %1, %%d0\n\t" \
361 "trap #0\n\t" \
362 "movel %%d0, %0" \
363 : "=g" (__res) \
364 : "i" (__NR_##name), \
365 "g" ((long)a) \
366 : "cc", "%d0", "%d1"); \
367 if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
368 errno = -__res; \
369 __res = -1; \
370 } \
371 return (type)__res; \
372}
373
374#define _syscall2(type, name, atype, a, btype, b) \
375type name(atype a, btype b) \
376{ \
377 long __res; \
378 __asm__ __volatile__ ("movel %3, %%d2\n\t" \
379 "movel %2, %%d1\n\t" \
380 "movel %1, %%d0\n\t" \
381 "trap #0\n\t" \
382 "movel %%d0, %0" \
383 : "=g" (__res) \
384 : "i" (__NR_##name), \
385 "a" ((long)a), \
386 "g" ((long)b) \
387 : "cc", "%d0", "%d1", "%d2"); \
388 if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
389 errno = -__res; \
390 __res = -1; \
391 } \
392 return (type)__res; \
393}
394
395#define _syscall3(type, name, atype, a, btype, b, ctype, c) \
396type name(atype a, btype b, ctype c) \
397{ \
398 long __res; \
399 __asm__ __volatile__ ("movel %4, %%d3\n\t" \
400 "movel %3, %%d2\n\t" \
401 "movel %2, %%d1\n\t" \
402 "movel %1, %%d0\n\t" \
403 "trap #0\n\t" \
404 "movel %%d0, %0" \
405 : "=g" (__res) \
406 : "i" (__NR_##name), \
407 "a" ((long)a), \
408 "a" ((long)b), \
409 "g" ((long)c) \
410 : "cc", "%d0", "%d1", "%d2", "%d3"); \
411 if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
412 errno = -__res; \
413 __res = -1; \
414 } \
415 return (type)__res; \
416}
417
418#define _syscall4(type, name, atype, a, btype, b, ctype, c, dtype, d) \
419type name(atype a, btype b, ctype c, dtype d) \
420{ \
421 long __res; \
422 __asm__ __volatile__ ("movel %5, %%d4\n\t" \
423 "movel %4, %%d3\n\t" \
424 "movel %3, %%d2\n\t" \
425 "movel %2, %%d1\n\t" \
426 "movel %1, %%d0\n\t" \
427 "trap #0\n\t" \
428 "movel %%d0, %0" \
429 : "=g" (__res) \
430 : "i" (__NR_##name), \
431 "a" ((long)a), \
432 "a" ((long)b), \
433 "a" ((long)c), \
434 "g" ((long)d) \
435 : "cc", "%d0", "%d1", "%d2", "%d3", \
436 "%d4"); \
437 if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
438 errno = -__res; \
439 __res = -1; \
440 } \
441 return (type)__res; \
442}
443
444#define _syscall5(type, name, atype, a, btype, b, ctype, c, dtype, d, etype, e) \
445type name(atype a, btype b, ctype c, dtype d, etype e) \
446{ \
447 long __res; \
448 __asm__ __volatile__ ("movel %6, %%d5\n\t" \
449 "movel %5, %%d4\n\t" \
450 "movel %4, %%d3\n\t" \
451 "movel %3, %%d2\n\t" \
452 "movel %2, %%d1\n\t" \
453 "movel %1, %%d0\n\t" \
454 "trap #0\n\t" \
455 "movel %%d0, %0" \
456 : "=g" (__res) \
457 : "i" (__NR_##name), \
458 "a" ((long)a), \
459 "a" ((long)b), \
460 "a" ((long)c), \
461 "a" ((long)d), \
462 "g" ((long)e) \
463 : "cc", "%d0", "%d1", "%d2", "%d3", \
464 "%d4", "%d5"); \
465 if ((unsigned long)(__res) >= (unsigned long)(-125)) { \
466 errno = -__res; \
467 __res = -1; \
468 } \
469 return (type)__res; \
470}
471 321
472#define __ARCH_WANT_IPC_PARSE_VERSION 322#define __ARCH_WANT_IPC_PARSE_VERSION
473#define __ARCH_WANT_OLD_READDIR 323#define __ARCH_WANT_OLD_READDIR