[PATCH 04/10] arm/zImage: fix comments for cache_on, cache_off and cache_clean_flush
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Thu Jun 10 06:27:10 EDT 2010
This adds missing registers to the list of corrupted registers and
removes a wrong comment about r9 on entry
While at it the formatting of the comment to cache_off is changed to
resemble the other two.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
arch/arm/boot/compressed/head.S | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 4058294..f8a210b 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -339,9 +339,8 @@ params: ldr r0, =params_phys
* r4 = kernel execution address
* r7 = architecture number
* r8 = atags pointer
- * r9 = run-time address of "start" (???)
* On exit,
- * r1, r2, r3, r9, r10, r12 corrupted
+ * r0, r1, r2, r3, r9, r10, r12 corrupted
* This routine must preserve:
* r4, r5, r6, r7, r8
*/
@@ -774,8 +773,10 @@ proc_types:
* Turn off the Cache and MMU. ARMv3 does not support
* reading the control register, but ARMv4 does.
*
- * On exit, r0, r1, r2, r3, r9, r12 corrupted
- * This routine must preserve: r4, r6, r7
+ * On exit,
+ * r0, r1, r2, r3, r9, r12 corrupted
+ * This routine must preserve:
+ * r4, r6, r7
*/
.align 5
cache_off: mov r3, #12 @ cache_off function
@@ -848,7 +849,7 @@ __armv3_mmu_cache_off:
* Clean and flush the cache to maintain consistency.
*
* On exit,
- * r1, r2, r3, r9, r11, r12 corrupted
+ * r1, r2, r3, r9, r10, r11, r12 corrupted
* This routine must preserve:
* r0, r4, r5, r6, r7
*/
--
1.7.1
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