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-rw-r--r--include/asm-frv/atomic.h6
-rw-r--r--include/asm-frv/bitops.h2
-rw-r--r--include/asm-frv/cacheflush.h12
-rw-r--r--include/asm-frv/io.h1
-rw-r--r--include/asm-frv/mman.h29
-rw-r--r--include/asm-frv/spr-regs.h1
-rw-r--r--include/asm-frv/system.h88
-rw-r--r--include/asm-frv/uaccess.h3
-rw-r--r--include/asm-frv/unistd.h28
9 files changed, 122 insertions, 48 deletions
diff --git a/include/asm-frv/atomic.h b/include/asm-frv/atomic.h
index a59f684b4f3..5d9f84bfdca 100644
--- a/include/asm-frv/atomic.h
+++ b/include/asm-frv/atomic.h
@@ -220,9 +220,9 @@ extern unsigned long atomic_test_and_XOR_mask(unsigned long mask, volatile unsig
switch (sizeof(__xg_orig)) { \
case 4: \
asm volatile( \
- "swap%I0 %2,%M0" \
- : "+m"(*__xg_ptr), "=&r"(__xg_orig) \
- : "r"(x) \
+ "swap%I0 %M0,%1" \
+ : "+m"(*__xg_ptr), "=r"(__xg_orig) \
+ : "1"(x) \
: "memory" \
); \
break; \
diff --git a/include/asm-frv/bitops.h b/include/asm-frv/bitops.h
index 02be7b3a8a8..f686b519878 100644
--- a/include/asm-frv/bitops.h
+++ b/include/asm-frv/bitops.h
@@ -209,7 +209,7 @@ static inline int find_next_zero_bit(const void *addr, int size, int offset)
tmp = *p;
found_first:
- tmp |= ~0UL >> size;
+ tmp |= ~0UL << size;
found_middle:
return result + ffz(tmp);
}
diff --git a/include/asm-frv/cacheflush.h b/include/asm-frv/cacheflush.h
index 3007deccb49..eaa5826bc1c 100644
--- a/include/asm-frv/cacheflush.h
+++ b/include/asm-frv/cacheflush.h
@@ -87,5 +87,17 @@ static inline void flush_icache_page(struct vm_area_struct *vma, struct page *pa
flush_icache_user_range(vma, page, page_to_phys(page), PAGE_SIZE);
}
+/*
+ * permit ptrace to access another process's address space through the icache
+ * and the dcache
+ */
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+do { \
+ memcpy((dst), (src), (len)); \
+ flush_icache_user_range((vma), (page), (vaddr), (len)); \
+} while(0)
+
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+ memcpy((dst), (src), (len))
#endif /* _ASM_CACHEFLUSH_H */
diff --git a/include/asm-frv/io.h b/include/asm-frv/io.h
index 075369b1a34..01247cb2bc3 100644
--- a/include/asm-frv/io.h
+++ b/include/asm-frv/io.h
@@ -251,7 +251,6 @@ static inline void writel(uint32_t datum, volatile void __iomem *addr)
#define IOMAP_WRITETHROUGH 3
extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
-extern void __iounmap(void __iomem *addr, unsigned long size);
static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
{
diff --git a/include/asm-frv/mman.h b/include/asm-frv/mman.h
index 8af4a41c255..b4371e92868 100644
--- a/include/asm-frv/mman.h
+++ b/include/asm-frv/mman.h
@@ -1,19 +1,7 @@
#ifndef __ASM_MMAN_H__
#define __ASM_MMAN_H__
-#define PROT_READ 0x1 /* page can be read */
-#define PROT_WRITE 0x2 /* page can be written */
-#define PROT_EXEC 0x4 /* page can be executed */
-#define PROT_SEM 0x8 /* page may be used for atomic ops */
-#define PROT_NONE 0x0 /* page can not be accessed */
-#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
-#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
-
-#define MAP_SHARED 0x01 /* Share changes */
-#define MAP_PRIVATE 0x02 /* Changes are private */
-#define MAP_TYPE 0x0f /* Mask for type of mapping */
-#define MAP_FIXED 0x10 /* Interpret addr exactly */
-#define MAP_ANONYMOUS 0x20 /* don't use a file */
+#include <asm-generic/mman.h>
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
@@ -23,23 +11,8 @@
#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
#define MAP_NONBLOCK 0x10000 /* do not block on IO */
-#define MS_ASYNC 1 /* sync memory asynchronously */
-#define MS_INVALIDATE 2 /* invalidate the caches */
-#define MS_SYNC 4 /* synchronous memory sync */
-
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
-#define MADV_NORMAL 0x0 /* default page-in behavior */
-#define MADV_RANDOM 0x1 /* page-in minimum required */
-#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
-#define MADV_WILLNEED 0x3 /* pre-fault pages */
-#define MADV_DONTNEED 0x4 /* discard these pages */
-#define MADV_REMOVE 0x5 /* remove these pages & resources */
-
-/* compatibility flags */
-#define MAP_ANON MAP_ANONYMOUS
-#define MAP_FILE 0
-
#endif /* __ASM_MMAN_H__ */
diff --git a/include/asm-frv/spr-regs.h b/include/asm-frv/spr-regs.h
index ef472f058d9..c2a541ef828 100644
--- a/include/asm-frv/spr-regs.h
+++ b/include/asm-frv/spr-regs.h
@@ -98,6 +98,7 @@
#define TBR_TT_TRAP0 (0x80 << 4)
#define TBR_TT_TRAP1 (0x81 << 4)
#define TBR_TT_TRAP2 (0x82 << 4)
+#define TBR_TT_TRAP3 (0x83 << 4)
#define TBR_TT_TRAP126 (0xfe << 4)
#define TBR_TT_BREAK (0xff << 4)
diff --git a/include/asm-frv/system.h b/include/asm-frv/system.h
index d2aea70a5f6..f72ff0c4dc0 100644
--- a/include/asm-frv/system.h
+++ b/include/asm-frv/system.h
@@ -40,8 +40,84 @@ do { \
/*
* interrupt flag manipulation
+ * - use virtual interrupt management since touching the PSR is slow
+ * - ICC2.Z: T if interrupts virtually disabled
+ * - ICC2.C: F if interrupts really disabled
+ * - if Z==1 upon interrupt:
+ * - C is set to 0
+ * - interrupts are really disabled
+ * - entry.S returns immediately
+ * - uses TIHI (TRAP if Z==0 && C==0) #2 to really reenable interrupts
+ * - if taken, the trap:
+ * - sets ICC2.C
+ * - enables interrupts
*/
-#define local_irq_disable() \
+#define local_irq_disable() \
+do { \
+ /* set Z flag, but don't change the C flag */ \
+ asm volatile(" andcc gr0,gr0,gr0,icc2 \n" \
+ : \
+ : \
+ : "memory", "icc2" \
+ ); \
+} while(0)
+
+#define local_irq_enable() \
+do { \
+ /* clear Z flag and then test the C flag */ \
+ asm volatile(" oricc gr0,#1,gr0,icc2 \n" \
+ " tihi icc2,gr0,#2 \n" \
+ : \
+ : \
+ : "memory", "icc2" \
+ ); \
+} while(0)
+
+#define local_save_flags(flags) \
+do { \
+ typecheck(unsigned long, flags); \
+ asm volatile("movsg ccr,%0" \
+ : "=r"(flags) \
+ : \
+ : "memory"); \
+ \
+ /* shift ICC2.Z to bit 0 */ \
+ flags >>= 26; \
+ \
+ /* make flags 1 if interrupts disabled, 0 otherwise */ \
+ flags &= 1UL; \
+} while(0)
+
+#define irqs_disabled() \
+ ({unsigned long flags; local_save_flags(flags); flags; })
+
+#define local_irq_save(flags) \
+do { \
+ typecheck(unsigned long, flags); \
+ local_save_flags(flags); \
+ local_irq_disable(); \
+} while(0)
+
+#define local_irq_restore(flags) \
+do { \
+ typecheck(unsigned long, flags); \
+ \
+ /* load the Z flag by turning 1 if disabled into 0 if disabled \
+ * and thus setting the Z flag but not the C flag */ \
+ asm volatile(" xoricc %0,#1,gr0,icc2 \n" \
+ /* then test Z=0 and C=0 */ \
+ " tihi icc2,gr0,#2 \n" \
+ : \
+ : "r"(flags) \
+ : "memory", "icc2" \
+ ); \
+ \
+} while(0)
+
+/*
+ * real interrupt flag manipulation
+ */
+#define __local_irq_disable() \
do { \
unsigned long psr; \
asm volatile(" movsg psr,%0 \n" \
@@ -53,7 +129,7 @@ do { \
: "memory"); \
} while(0)
-#define local_irq_enable() \
+#define __local_irq_enable() \
do { \
unsigned long psr; \
asm volatile(" movsg psr,%0 \n" \
@@ -64,7 +140,7 @@ do { \
: "memory"); \
} while(0)
-#define local_save_flags(flags) \
+#define __local_save_flags(flags) \
do { \
typecheck(unsigned long, flags); \
asm("movsg psr,%0" \
@@ -73,7 +149,7 @@ do { \
: "memory"); \
} while(0)
-#define local_irq_save(flags) \
+#define __local_irq_save(flags) \
do { \
unsigned long npsr; \
typecheck(unsigned long, flags); \
@@ -86,7 +162,7 @@ do { \
: "memory"); \
} while(0)
-#define local_irq_restore(flags) \
+#define __local_irq_restore(flags) \
do { \
typecheck(unsigned long, flags); \
asm volatile(" movgs %0,psr \n" \
@@ -95,7 +171,7 @@ do { \
: "memory"); \
} while(0)
-#define irqs_disabled() \
+#define __irqs_disabled() \
((__get_PSR() & PSR_PIL) >= PSR_PIL_14)
/*
diff --git a/include/asm-frv/uaccess.h b/include/asm-frv/uaccess.h
index b6bcbe01f6e..a1d14043886 100644
--- a/include/asm-frv/uaccess.h
+++ b/include/asm-frv/uaccess.h
@@ -306,7 +306,4 @@ extern long strnlen_user(const char *src, long count);
extern unsigned long search_exception_table(unsigned long addr);
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) memcpy(dst, src, len)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) memcpy(dst, src, len)
-
#endif /* _ASM_UACCESS_H */
diff --git a/include/asm-frv/unistd.h b/include/asm-frv/unistd.h
index 4d994d2e99e..322531caa48 100644
--- a/include/asm-frv/unistd.h
+++ b/include/asm-frv/unistd.h
@@ -295,13 +295,29 @@
#define __NR_add_key 286
#define __NR_request_key 287
#define __NR_keyctl 288
-#define __NR_vperfctr_open 289
-#define __NR_vperfctr_control (__NR_perfctr_info+1)
-#define __NR_vperfctr_unlink (__NR_perfctr_info+2)
-#define __NR_vperfctr_iresume (__NR_perfctr_info+3)
-#define __NR_vperfctr_read (__NR_perfctr_info+4)
+#define __NR_ioprio_set 289
+#define __NR_ioprio_get 290
+#define __NR_inotify_init 291
+#define __NR_inotify_add_watch 292
+#define __NR_inotify_rm_watch 293
+#define __NR_migrate_pages 294
+#define __NR_openat 295
+#define __NR_mkdirat 296
+#define __NR_mknodat 297
+#define __NR_fchownat 298
+#define __NR_futimesat 299
+#define __NR_newfstatat 300
+#define __NR_unlinkat 301
+#define __NR_renameat 302
+#define __NR_linkat 303
+#define __NR_symlinkat 304
+#define __NR_readlinkat 305
+#define __NR_fchmodat 306
+#define __NR_faccessat 307
+#define __NR_pselect6 308
+#define __NR_ppoll 309
-#define NR_syscalls 294
+#define NR_syscalls 310
/*
* process the return value of a syscall, consigning it to one of two possible fates
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 16:14:18 +0000