diff options
Diffstat (limited to 'include/asm-frv')
-rw-r--r-- | include/asm-frv/types.h | 34 | ||||
-rw-r--r-- | include/asm-frv/unaligned.h | 192 |
2 files changed, 8 insertions, 218 deletions
diff --git a/include/asm-frv/types.h b/include/asm-frv/types.h index 767e5ed71c4b..613bf1e962f0 100644 --- a/include/asm-frv/types.h +++ b/include/asm-frv/types.h @@ -12,29 +12,12 @@ #ifndef _ASM_TYPES_H #define _ASM_TYPES_H +#include <asm-generic/int-ll64.h> + #ifndef __ASSEMBLY__ typedef unsigned short umode_t; -/* - * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the - * header files exported to user space - */ - -typedef __signed__ char __s8; -typedef unsigned char __u8; - -typedef __signed__ short __s16; -typedef unsigned short __u16; - -typedef __signed__ int __s32; -typedef unsigned int __u32; - -#if defined(__GNUC__) -__extension__ typedef __signed__ long long __s64; -__extension__ typedef unsigned long long __u64; -#endif - #endif /* __ASSEMBLY__ */ /* @@ -46,19 +29,6 @@ __extension__ typedef unsigned long long __u64; #ifndef __ASSEMBLY__ - -typedef signed char s8; -typedef unsigned char u8; - -typedef signed short s16; -typedef unsigned short u16; - -typedef signed int s32; -typedef unsigned int u32; - -typedef signed long long s64; -typedef unsigned long long u64; - /* Dma addresses are 32-bits wide. */ typedef u32 dma_addr_t; diff --git a/include/asm-frv/unaligned.h b/include/asm-frv/unaligned.h index dc8e9c9bf6bd..839a2fbffa0f 100644 --- a/include/asm-frv/unaligned.h +++ b/include/asm-frv/unaligned.h @@ -12,191 +12,11 @@ #ifndef _ASM_UNALIGNED_H #define _ASM_UNALIGNED_H +#include <linux/unaligned/le_byteshift.h> +#include <linux/unaligned/be_byteshift.h> +#include <linux/unaligned/generic.h> -/* - * Unaligned accesses on uClinux can't be performed in a fault handler - the - * CPU detects them as imprecise exceptions making this impossible. - * - * With the FR451, however, they are precise, and so we used to fix them up in - * the memory access fault handler. However, instruction bundling make this - * impractical. So, now we fall back to using memcpy. - */ -#ifdef CONFIG_MMU - -/* - * The asm statement in the macros below is a way to get GCC to copy a - * value from one variable to another without having any clue it's - * actually doing so, so that it won't have any idea that the values - * in the two variables are related. - */ - -#define get_unaligned(ptr) ({ \ - typeof((*(ptr))) __x; \ - void *__ptrcopy; \ - asm("" : "=r" (__ptrcopy) : "0" (ptr)); \ - memcpy(&__x, __ptrcopy, sizeof(*(ptr))); \ - __x; \ -}) - -#define put_unaligned(val, ptr) ({ \ - typeof((*(ptr))) __x = (val); \ - void *__ptrcopy; \ - asm("" : "=r" (__ptrcopy) : "0" (ptr)); \ - memcpy(__ptrcopy, &__x, sizeof(*(ptr))); \ -}) - -extern int handle_misalignment(unsigned long esr0, unsigned long ear0, unsigned long epcr0); - -#else - -#define get_unaligned(ptr) \ -({ \ - typeof(*(ptr)) x; \ - const char *__p = (const char *) (ptr); \ - \ - switch (sizeof(x)) { \ - case 1: \ - x = *(ptr); \ - break; \ - case 2: \ - { \ - uint8_t a; \ - asm(" ldub%I2 %M2,%0 \n" \ - " ldub%I3.p %M3,%1 \n" \ - " slli %0,#8,%0 \n" \ - " or %0,%1,%0 \n" \ - : "=&r"(x), "=&r"(a) \ - : "m"(__p[0]), "m"(__p[1]) \ - ); \ - break; \ - } \ - \ - case 4: \ - { \ - uint8_t a; \ - asm(" ldub%I2 %M2,%0 \n" \ - " ldub%I3.p %M3,%1 \n" \ - " slli %0,#8,%0 \n" \ - " or %0,%1,%0 \n" \ - " ldub%I4.p %M4,%1 \n" \ - " slli %0,#8,%0 \n" \ - " or %0,%1,%0 \n" \ - " ldub%I5.p %M5,%1 \n" \ - " slli %0,#8,%0 \n" \ - " or %0,%1,%0 \n" \ - : "=&r"(x), "=&r"(a) \ - : "m"(__p[0]), "m"(__p[1]), "m"(__p[2]), "m"(__p[3]) \ - ); \ - break; \ - } \ - \ - case 8: \ - { \ - union { uint64_t x; u32 y[2]; } z; \ - uint8_t a; \ - asm(" ldub%I3 %M3,%0 \n" \ - " ldub%I4.p %M4,%2 \n" \ - " slli %0,#8,%0 \n" \ - " or %0,%2,%0 \n" \ - " ldub%I5.p %M5,%2 \n" \ - " slli %0,#8,%0 \n" \ - " or %0,%2,%0 \n" \ - " ldub%I6.p %M6,%2 \n" \ - " slli %0,#8,%0 \n" \ - " or %0,%2,%0 \n" \ - " ldub%I7 %M7,%1 \n" \ - " ldub%I8.p %M8,%2 \n" \ - " slli %1,#8,%1 \n" \ - " or %1,%2,%1 \n" \ - " ldub%I9.p %M9,%2 \n" \ - " slli %1,#8,%1 \n" \ - " or %1,%2,%1 \n" \ - " ldub%I10.p %M10,%2 \n" \ - " slli %1,#8,%1 \n" \ - " or %1,%2,%1 \n" \ - : "=&r"(z.y[0]), "=&r"(z.y[1]), "=&r"(a) \ - : "m"(__p[0]), "m"(__p[1]), "m"(__p[2]), "m"(__p[3]), \ - "m"(__p[4]), "m"(__p[5]), "m"(__p[6]), "m"(__p[7]) \ - ); \ - x = z.x; \ - break; \ - } \ - \ - default: \ - x = 0; \ - BUG(); \ - break; \ - } \ - \ - x; \ -}) - -#define put_unaligned(val, ptr) \ -do { \ - char *__p = (char *) (ptr); \ - int x; \ - \ - switch (sizeof(*ptr)) { \ - case 2: \ - { \ - asm(" stb%I1.p %0,%M1 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I2 %0,%M2 \n" \ - : "=r"(x), "=m"(__p[1]), "=m"(__p[0]) \ - : "0"(val) \ - ); \ - break; \ - } \ - \ - case 4: \ - { \ - asm(" stb%I1.p %0,%M1 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I2.p %0,%M2 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I3.p %0,%M3 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I4 %0,%M4 \n" \ - : "=r"(x), "=m"(__p[3]), "=m"(__p[2]), "=m"(__p[1]), "=m"(__p[0]) \ - : "0"(val) \ - ); \ - break; \ - } \ - \ - case 8: \ - { \ - uint32_t __high, __low; \ - __high = (uint64_t)val >> 32; \ - __low = val & 0xffffffff; \ - asm(" stb%I2.p %0,%M2 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I3.p %0,%M3 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I4.p %0,%M4 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I5.p %0,%M5 \n" \ - " srli %0,#8,%0 \n" \ - " stb%I6.p %1,%M6 \n" \ - " srli %1,#8,%1 \n" \ - " stb%I7.p %1,%M7 \n" \ - " srli %1,#8,%1 \n" \ - " stb%I8.p %1,%M8 \n" \ - " srli %1,#8,%1 \n" \ - " stb%I9 %1,%M9 \n" \ - : "=&r"(__low), "=&r"(__high), "=m"(__p[7]), "=m"(__p[6]), \ - "=m"(__p[5]), "=m"(__p[4]), "=m"(__p[3]), "=m"(__p[2]), \ - "=m"(__p[1]), "=m"(__p[0]) \ - : "0"(__low), "1"(__high) \ - ); \ - break; \ - } \ - \ - default: \ - *(ptr) = (val); \ - break; \ - } \ -} while(0) - -#endif +#define get_unaligned __get_unaligned_be +#define put_unaligned __put_unaligned_be -#endif +#endif /* _ASM_UNALIGNED_H */ |