parisc: Use SR_USER and SR_KERNEL in get_user() and put_user()

Instead of hardcoding the space registers as strings, use the SR_USER
and SR_KERNEL constants to form the space register in the access
functions.

Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 123d5f1..b3eb454 100644 (file)
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -79,18 +79,18 @@ struct exception_table_entry {
 
 #define __get_user(val, ptr)                           \
 ({                                                     \
-       __get_user_internal("%%sr3,", val, ptr);        \
+       __get_user_internal(SR_USER, val, ptr); \
 })
 
 #define __get_user_asm(sr, val, ldx, ptr)              \
 {                                                      \
        register long __gu_val;                         \
                                                        \
-       __asm__("1: " ldx " 0(" sr "%2),%0\n"           \
+       __asm__("1: " ldx " 0(%%sr%2,%3),%0\n"          \
                "9:\n"                                  \
                ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \
                : "=r"(__gu_val), "+r"(__gu_err)        \
-               : "r"(ptr));                            \
+               : "i"(sr), "r"(ptr));                   \
                                                        \
        (val) = (__force __typeof__(*(ptr))) __gu_val;  \
 }
@@ -100,7 +100,7 @@ struct exception_table_entry {
 {                                                      \
        type __z;                                       \
        long __err;                                     \
-       __err = __get_user_internal("%%sr0,", __z, (type *)(src)); \
+       __err = __get_user_internal(SR_KERNEL, __z, (type *)(src)); \
        if (unlikely(__err))                            \
                goto err_label;                         \
        else                                            \
@@ -118,13 +118,13 @@ struct exception_table_entry {
        } __gu_tmp;                                     \
                                                        \
        __asm__("   copy %%r0,%R0\n"                    \
-               "1: ldw 0(" sr "%2),%0\n"               \
-               "2: ldw 4(" sr "%2),%R0\n"              \
+               "1: ldw 0(%%sr%2,%3),%0\n"              \
+               "2: ldw 4(%%sr%2,%3),%R0\n"             \
                "9:\n"                                  \
                ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \
                ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 9b) \
                : "=&r"(__gu_tmp.l), "+r"(__gu_err)     \
-               : "r"(ptr));                            \
+               : "i"(sr), "r"(ptr));                   \
                                                        \
        (val) = __gu_tmp.t;                             \
 }
@@ -151,14 +151,14 @@ struct exception_table_entry {
 ({                                                             \
        __typeof__(&*(ptr)) __ptr = ptr;                        \
        __typeof__(*(__ptr)) __x = (__typeof__(*(__ptr)))(x);   \
-       __put_user_internal("%%sr3,", __x, __ptr);              \
+       __put_user_internal(SR_USER, __x, __ptr);               \
 })
 
 #define __put_kernel_nofault(dst, src, type, err_label)                \
 {                                                              \
        type __z = *(type *)(src);                              \
        long __err;                                             \
-       __err = __put_user_internal("%%sr0,", __z, (type *)(dst)); \
+       __err = __put_user_internal(SR_KERNEL, __z, (type *)(dst)); \
        if (unlikely(__err))                                    \
                goto err_label;                                 \
 }
@@ -178,24 +178,24 @@ struct exception_table_entry {
 
 #define __put_user_asm(sr, stx, x, ptr)                                \
        __asm__ __volatile__ (                                  \
-               "1: " stx " %2,0(" sr "%1)\n"                   \
+               "1: " stx " %1,0(%%sr%2,%3)\n"                  \
                "9:\n"                                          \
                ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b)         \
                : "+r"(__pu_err)                                \
-               : "r"(ptr), "r"(x))
+               : "r"(x), "i"(sr), "r"(ptr))
 
 
 #if !defined(CONFIG_64BIT)
 
 #define __put_user_asm64(sr, __val, ptr) do {                  \
        __asm__ __volatile__ (                                  \
-               "1: stw %2,0(" sr "%1)\n"                       \
-               "2: stw %R2,4(" sr "%1)\n"                      \
+               "1: stw %1,0(%%sr%2,%3)\n"                      \
+               "2: stw %R1,4(%%sr%2,%3)\n"                     \
                "9:\n"                                          \
                ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b)         \
                ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 9b)         \
                : "+r"(__pu_err)                                \
-               : "r"(ptr), "r"(__val));                        \
+               : "r"(__val), "i"(sr), "r"(ptr));               \
 } while (0)
 
 #endif /* !defined(CONFIG_64BIT) */