sh: Tidy up various clear_page()/copy_page() definitions.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 29 insertions, 31 deletions

diff --git a/arch/sh/lib64/page_clear.S b/arch/sh/lib64/page_clear.S
index ac0111d669a3..007ab48ecc1c 100644
--- a/arch/sh/lib64/page_clear.S
+++ b/arch/sh/lib64/page_clear.S
@@ -25,8 +25,8 @@
         .little
 
         .balign 8
-        .global sh64_page_clear
-sh64_page_clear:
+        .global clear_page
+clear_page:
         pta/l 1f, tr1
         pta/l 2f, tr2
         ptabs/l r18, tr0
diff --git a/arch/sh/lib64/page_copy.S b/arch/sh/lib64/page_copy.S
index e159c3cd2582..0ec6fca63b56 100644
--- a/arch/sh/lib64/page_copy.S
+++ b/arch/sh/lib64/page_copy.S
@@ -10,8 +10,8 @@
    of SH5-101 cut2 eval chip with Cayman board DDR memory.
 
    Parameters:
-   r2 : source effective address (start of page)
-   r3 : destination effective address (start of page)
+   r2 : destination effective address (start of page)
+   r3 : source effective address (start of page)
 
    Always copies 4096 bytes.
 
@@ -27,10 +27,10 @@
         .little
 
         .balign 8
-        .global sh64_page_copy
-sh64_page_copy:
+        .global copy_page
+copy_page:
 
-        /* Copy 4096 bytes worth of data from r2 to r3.
+        /* Copy 4096 bytes worth of data from r3 to r2.
            Do prefetches 4 lines ahead.
            Do alloco 2 lines ahead */
 
@@ -41,21 +41,21 @@ sh64_page_copy:
 
 #if 0
         /* TAKum03020 */
-        ld.q r2, 0x00, r63
-        ld.q r2, 0x20, r63
-        ld.q r2, 0x40, r63
-        ld.q r2, 0x60, r63
+        ld.q r3, 0x00, r63
+        ld.q r3, 0x20, r63
+        ld.q r3, 0x40, r63
+        ld.q r3, 0x60, r63
 #endif
-        alloco r3, 0x00
+        alloco r2, 0x00
         synco           ! TAKum03020
-        alloco r3, 0x20
+        alloco r2, 0x20
         synco           ! TAKum03020
 
         movi 3968, r6
-        add  r3, r6, r6
+        add  r2, r6, r6
         addi r6, 64, r7
         addi r7, 64, r8
-        sub r2, r3, r60
+        sub r3, r2, r60
         addi r60, 8, r61
         addi r61, 8, r62
         addi r62, 8, r23
@@ -67,25 +67,23 @@ sh64_page_copy:
 1:
 #if 0
         /* TAKum03020 */
-        bge/u r3, r6, tr2  ! skip prefetch for last 4 lines
-        ldx.q r3, r22, r63 ! prefetch 4 lines hence
+        bge/u r2, r6, tr2  ! skip prefetch for last 4 lines
+        ldx.q r2, r22, r63 ! prefetch 4 lines hence
 #endif
 2:
-        bge/u r3, r7, tr3  ! skip alloco for last 2 lines
-        alloco r3, 0x40    ! alloc destination line 2 lines ahead
+        bge/u r2, r7, tr3  ! skip alloco for last 2 lines
+        alloco r2, 0x40    ! alloc destination line 2 lines ahead
         synco           ! TAKum03020
 3:
-        ldx.q r3, r60, r36
-        ldx.q r3, r61, r37
-        ldx.q r3, r62, r38
-        ldx.q r3, r23, r39
-        st.q  r3,   0, r36
-        st.q  r3,   8, r37
-        st.q  r3,  16, r38
-        st.q  r3,  24, r39
-        addi r3, 32, r3
-        bgt/l r8, r3, tr1
+        ldx.q r2, r60, r36
+        ldx.q r2, r61, r37
+        ldx.q r2, r62, r38
+        ldx.q r2, r23, r39
+        st.q  r2,   0, r36
+        st.q  r2,   8, r37
+        st.q  r2,  16, r38
+        st.q  r2,  24, r39
+        addi r2, 32, r2
+        bgt/l r8, r2, tr1
 
         blink tr0, r63     ! return
-
-