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-rw-r--r--linux/src/include/asm-i386/bitops.h28
-rw-r--r--linux/src/include/asm-i386/io.h12
-rw-r--r--linux/src/include/asm-i386/segment.h8
-rw-r--r--linux/src/include/asm-i386/semaphore.h30
4 files changed, 46 insertions, 32 deletions
diff --git a/linux/src/include/asm-i386/bitops.h b/linux/src/include/asm-i386/bitops.h
index fc4cf192..e2a4c14a 100644
--- a/linux/src/include/asm-i386/bitops.h
+++ b/linux/src/include/asm-i386/bitops.h
@@ -28,7 +28,7 @@ struct __dummy { unsigned long a[100]; };
#define ADDR (*(struct __dummy *) addr)
#define CONST_ADDR (*(const struct __dummy *) addr)
-extern __inline__ int set_bit(int nr, SMPVOL void * addr)
+static __inline__ int set_bit(int nr, SMPVOL void * addr)
{
int oldbit;
@@ -39,7 +39,7 @@ extern __inline__ int set_bit(int nr, SMPVOL void * addr)
return oldbit;
}
-extern __inline__ int clear_bit(int nr, SMPVOL void * addr)
+static __inline__ int clear_bit(int nr, SMPVOL void * addr)
{
int oldbit;
@@ -50,7 +50,7 @@ extern __inline__ int clear_bit(int nr, SMPVOL void * addr)
return oldbit;
}
-extern __inline__ int change_bit(int nr, SMPVOL void * addr)
+static __inline__ int change_bit(int nr, SMPVOL void * addr)
{
int oldbit;
@@ -61,7 +61,7 @@ extern __inline__ int change_bit(int nr, SMPVOL void * addr)
return oldbit;
}
-extern __inline__ int test_and_set_bit(int nr, volatile void * addr)
+static __inline__ int test_and_set_bit(int nr, volatile void * addr)
{
int oldbit;
@@ -72,7 +72,7 @@ extern __inline__ int test_and_set_bit(int nr, volatile void * addr)
return oldbit;
}
-extern __inline__ int test_and_clear_bit(int nr, volatile void * addr)
+static __inline__ int test_and_clear_bit(int nr, volatile void * addr)
{
int oldbit;
@@ -83,7 +83,7 @@ extern __inline__ int test_and_clear_bit(int nr, volatile void * addr)
return oldbit;
}
-extern __inline__ int test_and_change_bit(int nr, volatile void * addr)
+static __inline__ int test_and_change_bit(int nr, volatile void * addr)
{
int oldbit;
@@ -98,7 +98,7 @@ extern __inline__ int test_and_change_bit(int nr, volatile void * addr)
/*
* This routine doesn't need to be atomic.
*/
-extern __inline__ int test_bit(int nr, const SMPVOL void * addr)
+static __inline__ int test_bit(int nr, const SMPVOL void * addr)
{
return ((1UL << (nr & 31)) & (((const unsigned int *) addr)[nr >> 5])) != 0;
}
@@ -106,8 +106,9 @@ extern __inline__ int test_bit(int nr, const SMPVOL void * addr)
/*
* Find-bit routines..
*/
-extern __inline__ int find_first_zero_bit(void * addr, unsigned size)
+static __inline__ int find_first_zero_bit(void * addr, unsigned size)
{
+ int d0, d1, d2;
int res;
if (!size)
@@ -123,13 +124,12 @@ extern __inline__ int find_first_zero_bit(void * addr, unsigned size)
"1:\tsubl %%ebx,%%edi\n\t"
"shll $3,%%edi\n\t"
"addl %%edi,%%edx"
- :"=d" (res)
- :"c" ((size + 31) >> 5), "D" (addr), "b" (addr)
- :"ax", "cx", "di");
+ :"=d" (res), "=&c" (d0), "=&D" (d1), "=&a" (d2)
+ :"1" ((size + 31) >> 5), "2" (addr), "b" (addr));
return res;
}
-extern __inline__ int find_next_zero_bit (void * addr, int size, int offset)
+static __inline__ int find_next_zero_bit (void * addr, int size, int offset)
{
unsigned long * p = ((unsigned long *) addr) + (offset >> 5);
int set = 0, bit = offset & 31, res;
@@ -160,7 +160,7 @@ extern __inline__ int find_next_zero_bit (void * addr, int size, int offset)
* ffz = Find First Zero in word. Undefined if no zero exists,
* so code should check against ~0UL first..
*/
-extern __inline__ unsigned long ffz(unsigned long word)
+static __inline__ unsigned long ffz(unsigned long word)
{
__asm__("bsfl %1,%0"
:"=r" (word)
@@ -176,7 +176,7 @@ extern __inline__ unsigned long ffz(unsigned long word)
* differs in spirit from the above ffz (man ffs).
*/
-extern __inline__ int ffs(int x)
+static __inline__ int ffs(int x)
{
int r;
diff --git a/linux/src/include/asm-i386/io.h b/linux/src/include/asm-i386/io.h
index f961f1d2..34cf105b 100644
--- a/linux/src/include/asm-i386/io.h
+++ b/linux/src/include/asm-i386/io.h
@@ -45,12 +45,12 @@
* make the kernel segment mapped at 0, we need to do translation
* on the i386 as well)
*/
-extern inline unsigned long virt_to_phys(volatile void * address)
+static inline unsigned long virt_to_phys(volatile void * address)
{
return (unsigned long) _kvtophys(address);
}
-extern inline void * phys_to_virt(unsigned long address)
+static inline void * phys_to_virt(unsigned long address)
{
return (void *) phystokv(address);
}
@@ -90,7 +90,7 @@ extern inline void * phys_to_virt(unsigned long address)
*/
#define __OUT1(s,x) \
-extern inline void __out##s(unsigned x value, unsigned short port) {
+static inline void __out##s(unsigned x value, unsigned short port) {
#define __OUT2(s,s1,s2) \
__asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1"
@@ -102,7 +102,7 @@ __OUT1(s##_p,x) __OUT2(s,s1,"w") : : "a" (value), "d" (port)); SLOW_DOWN_IO; } \
__OUT1(s##c_p,x) __OUT2(s,s1,"") : : "a" (value), "id" (port)); SLOW_DOWN_IO; }
#define __IN1(s) \
-extern inline RETURN_TYPE __in##s(unsigned short port) { RETURN_TYPE _v;
+static inline RETURN_TYPE __in##s(unsigned short port) { RETURN_TYPE _v;
#define __IN2(s,s1,s2) \
__asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0"
@@ -114,12 +114,12 @@ __IN1(s##_p) __IN2(s,s1,"w") : "=a" (_v) : "d" (port) ,##i ); SLOW_DOWN_IO; retu
__IN1(s##c_p) __IN2(s,s1,"") : "=a" (_v) : "id" (port) ,##i ); SLOW_DOWN_IO; return _v; }
#define __INS(s) \
-extern inline void ins##s(unsigned short port, void * addr, unsigned long count) \
+static inline void ins##s(unsigned short port, void * addr, unsigned long count) \
{ __asm__ __volatile__ ("cld ; rep ; ins" #s \
: "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); }
#define __OUTS(s) \
-extern inline void outs##s(unsigned short port, const void * addr, unsigned long count) \
+static inline void outs##s(unsigned short port, const void * addr, unsigned long count) \
{ __asm__ __volatile__ ("cld ; rep ; outs" #s \
: "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); }
diff --git a/linux/src/include/asm-i386/segment.h b/linux/src/include/asm-i386/segment.h
index 5f8af993..d23aa173 100644
--- a/linux/src/include/asm-i386/segment.h
+++ b/linux/src/include/asm-i386/segment.h
@@ -60,7 +60,11 @@ static inline void __attribute__((always_inline)) __put_user(unsigned long x, vo
:"ir" (x), "m" (*__sd(y)));
break;
default:
+#ifdef __OPTIMIZE__
bad_user_access_length();
+#else
+ asm volatile("ud2");
+#endif
}
}
@@ -85,7 +89,11 @@ static inline unsigned long __attribute__((always_inline)) __get_user(const void
:"m" (*__const_sd(y)));
return result;
default:
+#ifdef __OPTIMIZE__
return bad_user_access_length();
+#else
+ asm volatile("ud2");
+#endif
}
}
diff --git a/linux/src/include/asm-i386/semaphore.h b/linux/src/include/asm-i386/semaphore.h
index 1486d1c1..18e12c10 100644
--- a/linux/src/include/asm-i386/semaphore.h
+++ b/linux/src/include/asm-i386/semaphore.h
@@ -30,6 +30,10 @@ struct semaphore {
#define MUTEX ((struct semaphore) { 1, 0, 0, NULL })
#define MUTEX_LOCKED ((struct semaphore) { 0, 0, 0, NULL })
+/* Special register calling convention:
+ * eax contains return address
+ * ecx contains semaphore address
+ */
asmlinkage void down_failed(void /* special register calling convention */);
asmlinkage void up_wakeup(void /* special register calling convention */);
@@ -41,20 +45,21 @@ extern void __up(struct semaphore * sem);
* "down_failed" is a special asm handler that calls the C
* routine that actually waits. See arch/i386/lib/semaphore.S
*/
-extern inline void down(struct semaphore * sem)
+static inline void down(struct semaphore * sem)
{
+ int d0;
__asm__ __volatile__(
"# atomic down operation\n\t"
"movl $1f,%%eax\n\t"
#ifdef __SMP__
"lock ; "
#endif
- "decl 0(%0)\n\t"
+ "decl %1\n\t"
"js " SYMBOL_NAME_STR(down_failed) "\n"
"1:\n"
- :/* no outputs */
+ :"=&a" (d0), "=m" (sem->count)
:"c" (sem)
- :"ax","dx","memory");
+ :"memory");
}
/*
@@ -81,7 +86,7 @@ asmlinkage int down_failed_interruptible(void); /* params in registers */
* process can be killed. The down_failed_interruptible routine
* returns negative for signalled and zero for semaphore acquired.
*/
-extern inline int down_interruptible(struct semaphore * sem)
+static inline int down_interruptible(struct semaphore * sem)
{
int ret ;
@@ -91,13 +96,13 @@ extern inline int down_interruptible(struct semaphore * sem)
#ifdef __SMP__
"lock ; "
#endif
- "decl 0(%1)\n\t"
+ "decl %1\n\t"
"js " SYMBOL_NAME_STR(down_failed_interruptible) "\n\t"
"xorl %%eax,%%eax\n"
"2:\n"
- :"=a" (ret)
+ :"=&a" (ret), "=m" (sem->count)
:"c" (sem)
- :"ax","dx","memory");
+ :"memory");
return(ret) ;
}
@@ -108,20 +113,21 @@ extern inline int down_interruptible(struct semaphore * sem)
* The default case (no contention) will result in NO
* jumps for both down() and up().
*/
-extern inline void up(struct semaphore * sem)
+static inline void up(struct semaphore * sem)
{
+ int d0;
__asm__ __volatile__(
"# atomic up operation\n\t"
"movl $1f,%%eax\n\t"
#ifdef __SMP__
"lock ; "
#endif
- "incl 0(%0)\n\t"
+ "incl %1\n\t"
"jle " SYMBOL_NAME_STR(up_wakeup)
"\n1:"
- :/* no outputs */
+ :"=&a" (d0), "=m" (sem->count)
:"c" (sem)
- :"ax", "dx", "memory");
+ :"memory");
}
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-02 22:39:29 +0000