svn commit: r191141 - head/sys/arm/arm
Rafal Jaworowski
raj at FreeBSD.org
Thu Apr 16 11:21:54 UTC 2009
Author: raj
Date: Thu Apr 16 11:21:52 2009
New Revision: 191141
URL: http://svn.freebsd.org/changeset/base/191141
Log:
Minor style fixes and better comments.
Modified:
head/sys/arm/arm/cpufunc_asm_armv5_ec.S
head/sys/arm/arm/cpufunc_asm_sheeva.S
Modified: head/sys/arm/arm/cpufunc_asm_armv5_ec.S
==============================================================================
--- head/sys/arm/arm/cpufunc_asm_armv5_ec.S Thu Apr 16 11:20:18 2009 (r191140)
+++ head/sys/arm/arm/cpufunc_asm_armv5_ec.S Thu Apr 16 11:21:52 2009 (r191141)
@@ -204,3 +204,4 @@ ENTRY(armv5_ec_dcache_wbinv_all)
bne 1b /* More to do? */
mcr p15, 0, r0, c7, c10, 4 /* drain the write buffer */
RET
+
Modified: head/sys/arm/arm/cpufunc_asm_sheeva.S
==============================================================================
--- head/sys/arm/arm/cpufunc_asm_sheeva.S Thu Apr 16 11:20:18 2009 (r191140)
+++ head/sys/arm/arm/cpufunc_asm_sheeva.S Thu Apr 16 11:21:52 2009 (r191141)
@@ -375,6 +375,14 @@ ENTRY(sheeva_l2cache_wbinv_all)
mcr p15, 0, r0, c7, c10, 4 /* drain the write buffer */
RET
+/* This function modifies register value as follows:
+ *
+ * arg1 arg EFFECT (bit value saved into register)
+ * 0 0 not changed
+ * 0 1 negated
+ * 1 0 cleared
+ * 1 1 set
+ */
ENTRY(sheeva_control_ext)
mrc p15, 1, r3, c15, c1, 0 /* Read the control register */
bic r2, r3, r0 /* Clear bits */
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