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authorKyösti Mälkki <kyosti.malkki@gmail.com>2016-11-17 22:39:29 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2016-11-18 20:59:12 +0100
commitde01136484c58d13457ccf1e42fdb2310f3cbe65 (patch)
tree86a7e28d7249ab7e605319d92a21211aa467d598 /src/cpu/intel
parentb17f4e8d26b34541cade48add2a213454008d3f1 (diff)
intel post-car: Increase stacktop alignment
Align top of stack to 8 bytes, value documented as FSP1.1 requirement. Also fix some cases of uintptr_t casted to unsigned long. Change-Id: I5bbd100eeb673417da205a2c2c3410fef1af61f0 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/17461 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/cpu/intel')
-rw-r--r--src/cpu/intel/haswell/romstage.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/cpu/intel/haswell/romstage.c b/src/cpu/intel/haswell/romstage.c
index f823c55b0c..48920b3968 100644
--- a/src/cpu/intel/haswell/romstage.c
+++ b/src/cpu/intel/haswell/romstage.c
@@ -69,15 +69,13 @@ static inline u32 *stack_push(u32 *stack, u32 value)
* cache-as-ram is torn down as well as the MTRR settings to use. */
static void *setup_romstage_stack_after_car(void)
{
- uintptr_t top_of_stack;
int num_mtrrs;
u32 *slot;
u32 mtrr_mask_upper;
u32 top_of_ram;
/* Top of stack needs to be aligned to a 4-byte boundary. */
- top_of_stack = romstage_ram_stack_top() & ~3;
- slot = (void *)top_of_stack;
+ slot = (void *)romstage_ram_stack_top();
num_mtrrs = 0;
/* The upper bits of the MTRR mask need to set according to the number