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authorNico Huber <nico.huber@secunet.com>2016-10-07 12:58:17 +0200
committerNico Huber <nico.h@gmx.de>2016-11-06 17:28:13 +0100
commite0ed9025cf7453212e5e5a845e34e0b7ecfa3eb9 (patch)
tree0e904b2c054723cae2760e8778998f0a93851f1c /src/lib/hardwaremain.c
parent85a80ef4726a0f088d7d2007553349b861908386 (diff)
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Add option to use Ada code in ramstage
If selected, libgnat will be linked into ramstage. And, to support Ada package intializations, we have to call ramstage_adainit(). Change-Id: I11417db21f16bf3007739a097d63fd592344bce3 Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: https://review.coreboot.org/16944 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/lib/hardwaremain.c')
-rw-r--r--src/lib/hardwaremain.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/lib/hardwaremain.c b/src/lib/hardwaremain.c
index ab4d9f48e2f4..ef789601e6d5 100644
--- a/src/lib/hardwaremain.c
+++ b/src/lib/hardwaremain.c
@@ -18,6 +18,7 @@
* C Bootstrap code for the coreboot
*/
+#include <adainit.h>
#include <arch/exception.h>
#include <bootstate.h>
#include <console/console.h>
@@ -429,6 +430,18 @@ static void boot_state_schedule_static_entries(void)
void main(void)
{
+ /*
+ * We can generally jump between C and Ada code back and forth
+ * without trouble. But since we don't have an Ada main() we
+ * have to do some Ada package initializations that GNAT would
+ * do there. This has to be done before calling any Ada code.
+ *
+ * The package initializations should not have any dependen-
+ * cies on C code. So we can call them here early, and don't
+ * have to worry at which point we can start to use Ada.
+ */
+ ramstage_adainit();
+
/* TODO: Understand why this is here and move to arch/platform code. */
/* For MMIO UART this needs to be called before any other printk. */
if (IS_ENABLED(CONFIG_ARCH_X86))