diff options
Diffstat (limited to 'include/asm-mips')
| -rw-r--r-- | include/asm-mips/addrspace.h | 2 | ||||
| -rw-r--r-- | include/asm-mips/io.h | 16 | ||||
| -rw-r--r-- | include/asm-mips/string.h | 10 |
3 files changed, 21 insertions, 7 deletions
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h index b8214b1..0e6abd7 100644 --- a/include/asm-mips/addrspace.h +++ b/include/asm-mips/addrspace.h @@ -49,7 +49,7 @@ cannot access physical memory directly from core */ #define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000) #else /* !CONFIG_AU1X00 */ -#define UNCACHED_SDRAM(a) PHYSADDR(a) +#define UNCACHED_SDRAM(a) KSEG1ADDR(a) #endif /* CONFIG_AU1X00 */ #endif /* __ASSEMBLY__ */ /* diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index cd4d5dc..1e060f7 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -71,7 +71,21 @@ * instruction, so the lower 16 bits must be zero. Should be true on * on any sane architecture; generic code does not use this assumption. */ -extern unsigned long mips_io_port_base; +extern const unsigned long mips_io_port_base; + +/* + * Gcc will generate code to load the value of mips_io_port_base after each + * function call which may be fairly wasteful in some cases. So we don't + * play quite by the book. We tell gcc mips_io_port_base is a long variable + * which solves the code generation issue. Now we need to violate the + * aliasing rules a little to make initialization possible and finally we + * will need the barrier() to fight side effects of the aliasing chat. + * This trickery will eventually collapse under gcc's optimizer. Oh well. + */ +static inline void set_io_port_base(unsigned long base) +{ + * (unsigned long *) &mips_io_port_base = base; +} /* * Thanks to James van Artsdalen for a better timing-fix than diff --git a/include/asm-mips/string.h b/include/asm-mips/string.h index c42ad82..579a591 100644 --- a/include/asm-mips/string.h +++ b/include/asm-mips/string.h @@ -19,21 +19,21 @@ extern char *strcpy(char *__dest, __const__ char *__src); #undef __HAVE_ARCH_STRNCPY -extern char *strncpy(char *__dest, __const__ char *__src, size_t __n); +extern char *strncpy(char *__dest, __const__ char *__src, __kernel_size_t __n); #undef __HAVE_ARCH_STRCMP extern int strcmp(__const__ char *__cs, __const__ char *__ct); #undef __HAVE_ARCH_STRNCMP -extern int strncmp(__const__ char *__cs, __const__ char *__ct, size_t __count); +extern int strncmp(__const__ char *__cs, __const__ char *__ct, __kernel_size_t __count); #undef __HAVE_ARCH_MEMSET -extern void *memset(void *__s, int __c, size_t __count); +extern void *memset(void *__s, int __c, __kernel_size_t __count); #undef __HAVE_ARCH_MEMCPY -extern void *memcpy(void *__to, __const__ void *__from, size_t __n); +extern void *memcpy(void *__to, __const__ void *__from, __kernel_size_t __n); #undef __HAVE_ARCH_MEMMOVE -extern void *memmove(void *__dest, __const__ void *__src, size_t __n); +extern void *memmove(void *__dest, __const__ void *__src, __kernel_size_t __n); #endif /* _ASM_STRING_H */ |