Override the default go/boote handlers as we want to disable both data and
instruction cache before executing external programs (since Blackfin cache
handling requires a software handler in U-Boot which may be overwritten).
Signed-off-by: Mike Frysinger <[EMAIL PROTECTED]>
---
lib_blackfin/Makefile | 2 +-
lib_blackfin/{bootm.c => boot.c} | 20 ++++++++++++++++++++
2 files changed, 21 insertions(+), 1 deletions(-)
rename lib_blackfin/{bootm.c => boot.c} (80%)
diff --git a/lib_blackfin/Makefile b/lib_blackfin/Makefile
index 3617104..879c37f 100644
--- a/lib_blackfin/Makefile
+++ b/lib_blackfin/Makefile
@@ -37,7 +37,7 @@ SOBJS-y += memmove.o
SOBJS-y += memset.o
COBJS-y += board.o
-COBJS-y += bootm.o
+COBJS-y += boot.o
COBJS-y += cache.o
COBJS-y += muldi3.o
COBJS-y += post.o
diff --git a/lib_blackfin/bootm.c b/lib_blackfin/boot.c
similarity index 80%
rename from lib_blackfin/bootm.c
rename to lib_blackfin/boot.c
index ef4b112..5ea4afb 100644
--- a/lib_blackfin/bootm.c
+++ b/lib_blackfin/boot.c
@@ -77,3 +77,23 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc,
char *argv[],
if (images->autostart)
do_reset (cmdtp, flag, argc, argv);
}
+
+unsigned long do_go_exec(ulong (*entry)(int, char *[]), int argc, char *argv[])
+{
+ int d = dcache_status();
+ int i = icache_status();
+
+ dcache_disable();
+ icache_disable();
+
+ int ret = entry(argc, argv);
+
+ if (d) dcache_enable();
+ if (i) icache_enable();
+
+ return ret;
+}
+unsigned long do_bootelf_exec(ulong (*entry)(int, char *[]), int argc, char
*argv[])
+{
+ return do_go_exec(entry, argc, argv);
+}
--
1.5.5
-------------------------------------------------------------------------
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference
Don't miss this year's exciting event. There's still time to save $100.
Use priority code J8TL2D2.
http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone
_______________________________________________
U-Boot-Users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/u-boot-users
