Blackfin arch: Fix bug - This change eliminates impact on application debugging

[linux-2.6-omap-h63xx.git] / arch / blackfin / mach-common / lock.S

diff --git a/arch/blackfin/mach-common/lock.S b/arch/blackfin/mach-common/lock.S
index 2cbb15b339254dbb46e865fa1da44214fea238a1..30b887e67dd6776def5ef53238ebe3fead7a6bbd 100644 (file)
--- a/arch/blackfin/mach-common/lock.S
+++ b/arch/blackfin/mach-common/lock.S
@@ -33,7 +33,7 @@
 
 .text
 
-#ifdef CONFIG_BLKFIN_CACHE_LOCK
+#ifdef CONFIG_BFIN_ICACHE_LOCK
 
 /* When you come here, it is assumed that
  * R0 - Which way to be locked
@@ -43,12 +43,12 @@ ENTRY(_cache_grab_lock)
 
        [--SP]=( R7:0,P5:0 );
 
-       P1.H = (IMEM_CONTROL >> 16);
-       P1.L = (IMEM_CONTROL & 0xFFFF);
-       P5.H = (ICPLB_ADDR0 >> 16);
-       P5.L = (ICPLB_ADDR0 & 0xFFFF);
-       P4.H = (ICPLB_DATA0 >> 16);
-       P4.L = (ICPLB_DATA0 & 0xFFFF);
+       P1.H = HI(IMEM_CONTROL);
+       P1.L = LO(IMEM_CONTROL);
+       P5.H = HI(ICPLB_ADDR0);
+       P5.L = LO(ICPLB_ADDR0);
+       P4.H = HI(ICPLB_DATA0);
+       P4.L = LO(ICPLB_DATA0);
        R7 = R0;
 
        /* If the code of interest already resides in the cache
@@ -155,6 +155,7 @@ ENTRY(_cache_grab_lock)
        ( R7:0,P5:0 ) = [SP++];
 
        RTS;
+ENDPROC(_cache_grab_lock)
 
 /* After the execution of critical code, the code is now locked into
  * the cache way. Now we need to set ILOC.
@@ -166,14 +167,14 @@ ENTRY(_cache_lock)
 
        [--SP]=( R7:0,P5:0 );
 
-       P1.H = (IMEM_CONTROL >> 16);
-       P1.L = (IMEM_CONTROL & 0xFFFF);
+       P1.H = HI(IMEM_CONTROL);
+       P1.L = LO(IMEM_CONTROL);
 
        /* Disable the Interrupts*/
        CLI R3;
 
        R7 = [P1];
-       R2 = 0xFFFFFF87 (X);
+       R2 = ~(0x78) (X);       /* mask out ILOC */
        R7 = R7 & R2;
        R0 = R0 << 3;
        R7 = R0 | R7;
@@ -186,19 +187,20 @@ ENTRY(_cache_lock)
 
        ( R7:0,P5:0 ) = [SP++];
        RTS;
+ENDPROC(_cache_lock)
 
-#endif /* BLKFIN_CACHE_LOCK */
+#endif /* BFIN_ICACHE_LOCK */
 
 /* Return the ILOC bits of IMEM_CONTROL
  */
 
 ENTRY(_read_iloc)
-
-       P1.H = (IMEM_CONTROL >> 16);
-       P1.L = (IMEM_CONTROL & 0xFFFF);
+       P1.H = HI(IMEM_CONTROL);
+       P1.L = LO(IMEM_CONTROL);
        R1 = 0xF;
        R0 = [P1];
        R0 = R0 >> 3;
        R0 = R0 & R1;
 
        RTS;
+ENDPROC(_read_iloc)