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-rw-r--r--arch/microblaze/lib/ashldi3.c3
-rw-r--r--arch/microblaze/lib/ashrdi3.c3
-rw-r--r--arch/microblaze/lib/cmpdi2.c2
-rw-r--r--arch/microblaze/lib/libgcc.h7
-rw-r--r--arch/microblaze/lib/lshrdi3.c3
-rw-r--r--arch/microblaze/lib/memcpy.c13
-rw-r--r--arch/microblaze/lib/memmove.c11
-rw-r--r--arch/microblaze/lib/memset.c2
-rw-r--r--arch/microblaze/lib/muldi3.c30
-rw-r--r--arch/microblaze/lib/uaccess_old.S107
-rw-r--r--arch/microblaze/lib/ucmpdi2.c2
11 files changed, 105 insertions, 78 deletions
diff --git a/arch/microblaze/lib/ashldi3.c b/arch/microblaze/lib/ashldi3.c
index beb80f31609..1af904cd972 100644
--- a/arch/microblaze/lib/ashldi3.c
+++ b/arch/microblaze/lib/ashldi3.c
@@ -1,4 +1,4 @@
-#include <linux/module.h>
+#include <linux/export.h>
#include "libgcc.h"
@@ -25,5 +25,4 @@ long long __ashldi3(long long u, word_type b)
return w.ll;
}
-
EXPORT_SYMBOL(__ashldi3);
diff --git a/arch/microblaze/lib/ashrdi3.c b/arch/microblaze/lib/ashrdi3.c
index c884a912b66..32c334c05d0 100644
--- a/arch/microblaze/lib/ashrdi3.c
+++ b/arch/microblaze/lib/ashrdi3.c
@@ -1,4 +1,4 @@
-#include <linux/module.h>
+#include <linux/export.h>
#include "libgcc.h"
@@ -27,5 +27,4 @@ long long __ashrdi3(long long u, word_type b)
return w.ll;
}
-
EXPORT_SYMBOL(__ashrdi3);
diff --git a/arch/microblaze/lib/cmpdi2.c b/arch/microblaze/lib/cmpdi2.c
index a708400ea7b..67abc9ac1bd 100644
--- a/arch/microblaze/lib/cmpdi2.c
+++ b/arch/microblaze/lib/cmpdi2.c
@@ -1,4 +1,4 @@
-#include <linux/module.h>
+#include <linux/export.h>
#include "libgcc.h"
diff --git a/arch/microblaze/lib/libgcc.h b/arch/microblaze/lib/libgcc.h
index 05909d58e2f..ab077ef7e14 100644
--- a/arch/microblaze/lib/libgcc.h
+++ b/arch/microblaze/lib/libgcc.h
@@ -22,4 +22,11 @@ typedef union {
long long ll;
} DWunion;
+extern long long __ashldi3(long long u, word_type b);
+extern long long __ashrdi3(long long u, word_type b);
+extern word_type __cmpdi2(long long a, long long b);
+extern long long __lshrdi3(long long u, word_type b);
+extern long long __muldi3(long long u, long long v);
+extern word_type __ucmpdi2(unsigned long long a, unsigned long long b);
+
#endif /* __ASM_LIBGCC_H */
diff --git a/arch/microblaze/lib/lshrdi3.c b/arch/microblaze/lib/lshrdi3.c
index dcf8d6810b7..adcb253f11c 100644
--- a/arch/microblaze/lib/lshrdi3.c
+++ b/arch/microblaze/lib/lshrdi3.c
@@ -1,4 +1,4 @@
-#include <linux/module.h>
+#include <linux/export.h>
#include "libgcc.h"
@@ -25,5 +25,4 @@ long long __lshrdi3(long long u, word_type b)
return w.ll;
}
-
EXPORT_SYMBOL(__lshrdi3);
diff --git a/arch/microblaze/lib/memcpy.c b/arch/microblaze/lib/memcpy.c
index 52746e718df..f536e81b816 100644
--- a/arch/microblaze/lib/memcpy.c
+++ b/arch/microblaze/lib/memcpy.c
@@ -24,13 +24,12 @@
* not any responsibility to update it.
*/
+#include <linux/export.h>
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/compiler.h>
-#include <linux/module.h>
#include <linux/string.h>
-#include <asm/system.h>
#ifdef __HAVE_ARCH_MEMCPY
#ifndef CONFIG_OPT_LIB_FUNCTION
@@ -104,12 +103,12 @@ void *memcpy(void *v_dst, const void *v_src, __kernel_size_t c)
}
#else
/* Load the holding buffer */
- buf_hold = (*i_src++ & 0xFFFFFF00) >>8;
+ buf_hold = (*i_src++ & 0xFFFFFF00) >> 8;
for (; c >= 4; c -= 4) {
value = *i_src++;
*i_dst++ = buf_hold | ((value & 0xFF) << 24);
- buf_hold = (value & 0xFFFFFF00) >>8;
+ buf_hold = (value & 0xFFFFFF00) >> 8;
}
#endif
/* Realign the source */
@@ -130,12 +129,12 @@ void *memcpy(void *v_dst, const void *v_src, __kernel_size_t c)
}
#else
/* Load the holding buffer */
- buf_hold = (*i_src++ & 0xFFFF0000 )>>16;
+ buf_hold = (*i_src++ & 0xFFFF0000) >> 16;
for (; c >= 4; c -= 4) {
value = *i_src++;
- *i_dst++ = buf_hold | ((value & 0xFFFF)<<16);
- buf_hold = (value & 0xFFFF0000) >>16;
+ *i_dst++ = buf_hold | ((value & 0xFFFF) << 16);
+ buf_hold = (value & 0xFFFF0000) >> 16;
}
#endif
/* Realign the source */
diff --git a/arch/microblaze/lib/memmove.c b/arch/microblaze/lib/memmove.c
index 2146c3752a8..3611ce70415 100644
--- a/arch/microblaze/lib/memmove.c
+++ b/arch/microblaze/lib/memmove.c
@@ -24,10 +24,10 @@
* not any responsibility to update it.
*/
+#include <linux/export.h>
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/compiler.h>
-#include <linux/module.h>
#include <linux/string.h>
#ifdef __HAVE_ARCH_MEMMOVE
@@ -129,7 +129,8 @@ void *memmove(void *v_dst, const void *v_src, __kernel_size_t c)
for (; c >= 4; c -= 4) {
value = *--i_src;
- *--i_dst = buf_hold | ((value & 0xFFFFFF00)>>8);
+ *--i_dst = buf_hold |
+ ((value & 0xFFFFFF00) >> 8);
buf_hold = (value & 0xFF) << 24;
}
#endif
@@ -155,7 +156,8 @@ void *memmove(void *v_dst, const void *v_src, __kernel_size_t c)
for (; c >= 4; c -= 4) {
value = *--i_src;
- *--i_dst = buf_hold | ((value & 0xFFFF0000)>>16);
+ *--i_dst = buf_hold |
+ ((value & 0xFFFF0000) >> 16);
buf_hold = (value & 0xFFFF) << 16;
}
#endif
@@ -181,7 +183,8 @@ void *memmove(void *v_dst, const void *v_src, __kernel_size_t c)
for (; c >= 4; c -= 4) {
value = *--i_src;
- *--i_dst = buf_hold | ((value & 0xFF000000)>> 24);
+ *--i_dst = buf_hold |
+ ((value & 0xFF000000) >> 24);
buf_hold = (value & 0xFFFFFF) << 8;
}
#endif
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c
index ddf67939576..04ea72c8a81 100644
--- a/arch/microblaze/lib/memset.c
+++ b/arch/microblaze/lib/memset.c
@@ -24,10 +24,10 @@
* not any responsibility to update it.
*/
+#include <linux/export.h>
#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/compiler.h>
-#include <linux/module.h>
#include <linux/string.h>
#ifdef __HAVE_ARCH_MEMSET
diff --git a/arch/microblaze/lib/muldi3.c b/arch/microblaze/lib/muldi3.c
index 0585bccb7fa..a3f9a03acdc 100644
--- a/arch/microblaze/lib/muldi3.c
+++ b/arch/microblaze/lib/muldi3.c
@@ -1,33 +1,29 @@
-#include <linux/module.h>
+#include <linux/export.h>
#include "libgcc.h"
-#define DWtype long long
-#define UWtype unsigned long
-#define UHWtype unsigned short
-
#define W_TYPE_SIZE 32
-#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
-#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
-#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
+#define __ll_B ((unsigned long) 1 << (W_TYPE_SIZE / 2))
+#define __ll_lowpart(t) ((unsigned long) (t) & (__ll_B - 1))
+#define __ll_highpart(t) ((unsigned long) (t) >> (W_TYPE_SIZE / 2))
/* If we still don't have umul_ppmm, define it using plain C. */
#if !defined(umul_ppmm)
#define umul_ppmm(w1, w0, u, v) \
do { \
- UWtype __x0, __x1, __x2, __x3; \
- UHWtype __ul, __vl, __uh, __vh; \
+ unsigned long __x0, __x1, __x2, __x3; \
+ unsigned short __ul, __vl, __uh, __vh; \
\
__ul = __ll_lowpart(u); \
__uh = __ll_highpart(u); \
__vl = __ll_lowpart(v); \
__vh = __ll_highpart(v); \
\
- __x0 = (UWtype) __ul * __vl; \
- __x1 = (UWtype) __ul * __vh; \
- __x2 = (UWtype) __uh * __vl; \
- __x3 = (UWtype) __uh * __vh; \
+ __x0 = (unsigned long) __ul * __vl; \
+ __x1 = (unsigned long) __ul * __vh; \
+ __x2 = (unsigned long) __uh * __vl; \
+ __x3 = (unsigned long) __uh * __vh; \
\
__x1 += __ll_highpart(__x0); /* this can't give carry */\
__x1 += __x2; /* but this indeed can */ \
@@ -47,14 +43,14 @@
})
#endif
-DWtype __muldi3(DWtype u, DWtype v)
+long long __muldi3(long long u, long long v)
{
const DWunion uu = {.ll = u};
const DWunion vv = {.ll = v};
DWunion w = {.ll = __umulsidi3(uu.s.low, vv.s.low)};
- w.s.high += ((UWtype) uu.s.low * (UWtype) vv.s.high
- + (UWtype) uu.s.high * (UWtype) vv.s.low);
+ w.s.high += ((unsigned long) uu.s.low * (unsigned long) vv.s.high
+ + (unsigned long) uu.s.high * (unsigned long) vv.s.low);
return w.ll;
}
diff --git a/arch/microblaze/lib/uaccess_old.S b/arch/microblaze/lib/uaccess_old.S
index f037266cdaf..0e8cc2710c2 100644
--- a/arch/microblaze/lib/uaccess_old.S
+++ b/arch/microblaze/lib/uaccess_old.S
@@ -38,15 +38,14 @@ __strncpy_user:
addik r3,r7,0 /* temp_count = len */
1:
lbu r4,r6,r0
+ beqid r4,2f
sb r4,r5,r0
- addik r3,r3,-1
- beqi r3,2f /* break on len */
-
addik r5,r5,1
- bneid r4,1b
addik r6,r6,1 /* delay slot */
- addik r3,r3,1 /* undo "temp_count--" */
+
+ addik r3,r3,-1
+ bnei r3,1b /* break on len */
2:
rsubk r3,r3,r7 /* temp_count = len - temp_count */
3:
@@ -122,22 +121,22 @@ __strnlen_user:
15: swi r24, r5, 0x0018 + offset; \
16: swi r25, r5, 0x001C + offset; \
.section __ex_table,"a"; \
- .word 1b, 0f; \
- .word 2b, 0f; \
- .word 3b, 0f; \
- .word 4b, 0f; \
- .word 5b, 0f; \
- .word 6b, 0f; \
- .word 7b, 0f; \
- .word 8b, 0f; \
- .word 9b, 0f; \
- .word 10b, 0f; \
- .word 11b, 0f; \
- .word 12b, 0f; \
- .word 13b, 0f; \
- .word 14b, 0f; \
- .word 15b, 0f; \
- .word 16b, 0f; \
+ .word 1b, 33f; \
+ .word 2b, 33f; \
+ .word 3b, 33f; \
+ .word 4b, 33f; \
+ .word 5b, 33f; \
+ .word 6b, 33f; \
+ .word 7b, 33f; \
+ .word 8b, 33f; \
+ .word 9b, 33f; \
+ .word 10b, 33f; \
+ .word 11b, 33f; \
+ .word 12b, 33f; \
+ .word 13b, 33f; \
+ .word 14b, 33f; \
+ .word 15b, 33f; \
+ .word 16b, 33f; \
.text
#define COPY_80(offset) \
@@ -190,14 +189,17 @@ w2: sw r4, r5, r3
.align 4 /* Alignment is important to keep icache happy */
page: /* Create room on stack and save registers for storign values */
- addik r1, r1, -32
- swi r19, r1, 4
- swi r20, r1, 8
- swi r21, r1, 12
- swi r22, r1, 16
- swi r23, r1, 20
- swi r24, r1, 24
- swi r25, r1, 28
+ addik r1, r1, -40
+ swi r5, r1, 0
+ swi r6, r1, 4
+ swi r7, r1, 8
+ swi r19, r1, 12
+ swi r20, r1, 16
+ swi r21, r1, 20
+ swi r22, r1, 24
+ swi r23, r1, 28
+ swi r24, r1, 32
+ swi r25, r1, 36
loop: /* r4, r19, r20, r21, r22, r23, r24, r25 are used for storing values */
/* Loop unrolling to get performance boost */
COPY_80(0x000);
@@ -205,21 +207,44 @@ loop: /* r4, r19, r20, r21, r22, r23, r24, r25 are used for storing values */
COPY_80(0x100);
COPY_80(0x180);
/* copy loop */
- addik r6, r6, 0x200
- addik r7, r7, -0x200
- bneid r7, loop
- addik r5, r5, 0x200
+ addik r6, r6, 0x200
+ addik r7, r7, -0x200
+ bneid r7, loop
+ addik r5, r5, 0x200
+
/* Restore register content */
- lwi r19, r1, 4
- lwi r20, r1, 8
- lwi r21, r1, 12
- lwi r22, r1, 16
- lwi r23, r1, 20
- lwi r24, r1, 24
- lwi r25, r1, 28
- addik r1, r1, 32
+ lwi r5, r1, 0
+ lwi r6, r1, 4
+ lwi r7, r1, 8
+ lwi r19, r1, 12
+ lwi r20, r1, 16
+ lwi r21, r1, 20
+ lwi r22, r1, 24
+ lwi r23, r1, 28
+ lwi r24, r1, 32
+ lwi r25, r1, 36
+ addik r1, r1, 40
/* return back */
+ addik r3, r0, 0
+ rtsd r15, 8
+ nop
+
+/* Fault case - return temp count */
+33:
addik r3, r7, 0
+ /* Restore register content */
+ lwi r5, r1, 0
+ lwi r6, r1, 4
+ lwi r7, r1, 8
+ lwi r19, r1, 12
+ lwi r20, r1, 16
+ lwi r21, r1, 20
+ lwi r22, r1, 24
+ lwi r23, r1, 28
+ lwi r24, r1, 32
+ lwi r25, r1, 36
+ addik r1, r1, 40
+ /* return back */
rtsd r15, 8
nop
diff --git a/arch/microblaze/lib/ucmpdi2.c b/arch/microblaze/lib/ucmpdi2.c
index 63ca105b671..d05f1585121 100644
--- a/arch/microblaze/lib/ucmpdi2.c
+++ b/arch/microblaze/lib/ucmpdi2.c
@@ -1,4 +1,4 @@
-#include <linux/module.h>
+#include <linux/export.h>
#include "libgcc.h"
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 19:05:27 +0000