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-rw-r--r--cpu/74xx_7xx/kgdb.S18
1 files changed, 11 insertions, 7 deletions
diff --git a/cpu/74xx_7xx/kgdb.S b/cpu/74xx_7xx/kgdb.S
index c3132c29bcf..e838513c1df 100644
--- a/cpu/74xx_7xx/kgdb.S
+++ b/cpu/74xx_7xx/kgdb.S
@@ -20,8 +20,6 @@
* MA 02111-1307USA
*/
-/* note - this won't work with the 74xx cpus. needs more work [josh] */
-
#include <config.h>
#include <command.h>
#include <74xx_7xx.h>
@@ -41,12 +39,18 @@
.globl kgdb_flush_cache_all
kgdb_flush_cache_all:
- lis r3, IDC_INVALL@h
- mtspr DC_CST, r3
- sync
- lis r3, IDC_INVALL@h
- mtspr IC_CST, r3
+ lis r3,0
+ addis r4,r0,0x0040
+kgdb_flush_loop:
+ lwz r5,0(r3)
+ addi r3,r3,CFG_CACHELINE_SIZE
+ cmp 0,0,r3,r4
+ bne kgdb_flush_loop
SYNC
+ mfspr r3,1008
+ ori r3,r3,0x8800
+ mtspr 1008,r3
+ sync
blr
.globl kgdb_flush_cache_range