This is needed in unlock_ram_in_cache() because it is called from C and
will corrupt the small data area anchor that is kept in R2.
lock_ram_in_cache() is modified similarly as good coding practice, but
is not called from C.
Signed-off-by: Nick Spence <[EMAIL PROTECTED]>
---
cpu/mpc86xx/start.S | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index 03f2128..90a1b83 100644
--- a/cpu/mpc86xx/start.S
+++ b/cpu/mpc86xx/start.S
@@ -895,9 +895,9 @@ lock_ram_in_cache:
*/
lis r3, (CFG_INIT_RAM_ADDR & ~31)@h
ori r3, r3, (CFG_INIT_RAM_ADDR & ~31)@l
- li r2, ((CFG_INIT_RAM_END & ~31) + \
+ li r4, ((CFG_INIT_RAM_END & ~31) + \
(CFG_INIT_RAM_ADDR & 31) + 31) / 32
- mtctr r2
+ mtctr r4
1:
dcbz r0, r3
addi r3, r3, 32
@@ -930,9 +930,9 @@ unlock_ram_in_cache:
/* invalidate the INIT_RAM section */
lis r3, (CFG_INIT_RAM_ADDR & ~31)@h
ori r3, r3, (CFG_INIT_RAM_ADDR & ~31)@l
- li r2, ((CFG_INIT_RAM_END & ~31) + \
+ li r4, ((CFG_INIT_RAM_END & ~31) + \
(CFG_INIT_RAM_ADDR & 31) + 31) / 32
- mtctr r2
+ mtctr r4
1: icbi r0, r3
addi r3, r3, 32
bdnz 1b
--
1.5.2.2
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