Merge branch '2019-08-11-master-imports'

- environment cleanup
- HiKey 960 support
- Some PCI fixes

1 files changed, 20 insertions, 0 deletions

diff --git a/common/init/board_init.c b/common/init/board_init.c
index 526fee35ff6..e52106966d4 100644
--- a/common/init/board_init.c
+++ b/common/init/board_init.c
@@ -18,6 +18,23 @@ __weak void arch_setup_gd(struct global_data *gd_ptr)
 }
 #endif /* !CONFIG_X86 && !CONFIG_ARM */
 
+/**
+ * This function is called after the position of the initial stack is
+ * determined in gd->start_addr_sp. Boards can override it to set up
+ * stack-checking markers.
+ */
+__weak void board_init_f_init_stack_protection(void)
+{
+#if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
+	ulong stack_bottom = gd->start_addr_sp -
+		CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
+
+	/* substact some safety margin (0x20) since stack is in use here */
+	memset((void *)stack_bottom, CONFIG_VAL(SYS_STACK_F_CHECK_BYTE),
+	       CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - 0x20);
+#endif
+}
+
 /*
  * Allocate reserved space for use as 'globals' from 'top' address and
  * return 'bottom' address of allocated space
@@ -126,6 +143,9 @@ void board_init_f_init_reserve(ulong base)
 	/* next alloc will be higher by one 'early malloc arena' size */
 	base += CONFIG_VAL(SYS_MALLOC_F_LEN);
 #endif
+
+	if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
+		board_init_f_init_stack_protection();
 }
 
 /*