[PATCH 1/4] zImage: fix comments for cache_on, cache_off and cache_clean_flush
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Tue Jan 26 16:28:40 EST 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 | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 4fddc50..7cbab3c 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -339,9 +339,8 @@ params: ldr r0, =params_phys
* r6 = processor ID
* 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
*/
@@ -778,9 +777,12 @@ proc_types:
* Turn off the Cache and MMU. ARMv3 does not support
* reading the control register, but ARMv4 does.
*
- * On entry, r6 = processor ID
- * On exit, r0, r1, r2, r3, r12 corrupted
- * This routine must preserve: r4, r6, r7
+ * On entry,
+ * r6 = processor ID
+ * On exit,
+ * r0, r1, r2, r3, r10, r12 corrupted
+ * This routine must preserve:
+ * r4, r6, r7
*/
.align 5
cache_off: mov r3, #12 @ cache_off function
@@ -855,7 +857,7 @@ __armv3_mmu_cache_off:
* On entry,
* r6 = processor ID
* On exit,
- * r1, r2, r3, r11, r12 corrupted
+ * r1, r2, r3, r10, r11, r12 corrupted
* This routine must preserve:
* r0, r4, r5, r6, r7
*/
--
1.6.6
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