aboutsummaryrefslogtreecommitdiff
path: root/src/arch/armv7/bootblock.inc
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/armv7/bootblock.inc')
-rw-r--r--src/arch/armv7/bootblock.inc12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/arch/armv7/bootblock.inc b/src/arch/armv7/bootblock.inc
index b2c993af32..c45259db6d 100644
--- a/src/arch/armv7/bootblock.inc
+++ b/src/arch/armv7/bootblock.inc
@@ -82,8 +82,15 @@ init_stack_loop:
/* Set stackpointer in internal RAM to call board_init_f */
call_bootblock:
ldr sp, .Stack /* Set up stack pointer */
- bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
+ /*
+ * The current design of cpu_info places the
+ * struct at the top of the stack. The number of
+ * words pushed must be at least as large as that
+ * struct.
+ */
+ push {r0-r2}
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
/*
* Use "bl" instead of "b" even though we do not intend to return.
* "bl" gets compiled to "blx" if we're transitioning from ARM to
@@ -104,5 +111,6 @@ wait_for_interrupt:
.Stack:
.word CONFIG_STACK_TOP
.align 2
+/* create this size the same way we do in coreboot_ram.ld: top-bottom */
.Stack_size:
- .word CONFIG_STACK_SIZE
+ .word CONFIG_STACK_TOP - CONFIG_STACK_BOTTOM