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authorMike Frysinger <vapier@gentoo.org>2008-04-13 19:42:19 -0400
committerWolfgang Denk <wd@denx.de>2008-04-18 00:31:41 -0700
commita49864593e083a5d0779fb9ca98e5a0f2053183d (patch)
treecf69cd393e711b73115c743103ad88c9aba944cd /lib_nios
parent017e9b7925f74878d0e9475388cca9bda5ef9482 (diff)
downloadu-boot-linaro-stable-a49864593e083a5d0779fb9ca98e5a0f2053183d.tar.gz
allow ports to override go behavior
Split the arch-specific logic out of the common go code and into a dedicated weak function called do_go_exec() that lives in cpu directories. This will need review from i386/nios people to make sure I didn't break them.
Diffstat (limited to 'lib_nios')
-rw-r--r--lib_nios/board.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib_nios/board.c b/lib_nios/board.c
index 0a0d2e38f..cdaf753ac 100644
--- a/lib_nios/board.c
+++ b/lib_nios/board.c
@@ -190,3 +190,13 @@ void hang (void)
puts("### ERROR ### Please reset board ###\n");
for (;;);
}
+
+unsigned long do_go_exec (ulong (*entry)(int, char *[]), int argc, char *argv[])
+{
+ /*
+ * x86 does not use a dedicated register to pass the pointer
+ * to the global_data
+ */
+ argv[-1] = (char *)gd;
+ return entry (argc, argv);
+}