Changeset e93bb24 in mainline for boot/arch/arm32/src/asm.S

Timestamp:

2013-08-15T09:36:14Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

34847e2

Parents:

7bf9217

Message:

arm32: add details to comments

File:

• boot/arch/arm32/src/asm.S (modified) (2 diffs)

boot/arch/arm32/src/asm.S

@@ -75 +75 @@
         bic     r4, r4, #(1 << CP15_C1_DC)
 
-        #Disable I-cache and Branche predicotrs on non-armv7
+        # Disable I-cache and Branche predictors.
         bic     r4, r4, #(1 << CP15_C1_IC)
         bic     r4, r4, #(1 << CP15_C1_BP)
@@ -88 +88 @@
         dsb
 #else
+        #cp15 dsb, r4 is ignored (should be zero)
         mov r4, #0
-        #cp15 dsb, r4 is ignored (should be zero)
         mcr p15, 0, r4, c7, c10, 4
 #endif
         
         # Clean ICache and BPredictors, r4 ignored (SBZ)
+        mov r4, #0
         mcr p15, 0, r4, c7, c5, 0
         nop