Changeset da349da0 in mainline for kernel/arch/arm32/src/asm.S

Timestamp:

2008-08-10T15:28:42Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a9d4d2c

Parents:

d2e9c47

Message:

memcpy(), memmove() and similar functions return dst instead of src.
Fix all implementations, including those in assembly. ppc32 assembly
version didn't seem to be affected by this.

File:

• kernel/arch/arm32/src/asm.S (modified) (3 diffs)

kernel/arch/arm32/src/asm.S

@@ -46 +46 @@
         bic     r3, r3, #3
         cmp     r1, r3
-        stmdb   sp!, {r4, lr}
+        stmdb   sp!, {r4, r5, lr}
+        mov     r5, r0                  /* save dst */
         beq     4f
 1:
@@ -59 +60 @@
         bne     2b
 3:
-        mov     r0, r1
-        ldmia   sp!, {r4, pc}
+        mov     r0, r5
+        ldmia   sp!, {r4, r5, pc}
 4:
         add     r3, r0, #3
@@ -95 +96 @@
 memcpy_from_uspace_failover_address:
 memcpy_to_uspace_failover_address:
-        mov             r0, #0
-        ldmia   sp!, {r4, pc}
+        mov     r0, #0
+        ldmia   sp!, {r4, r5, pc}