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libpayload: Correct shareability mmu configuration on ARM64 

BUG=chrome-os-partner:38222
BRANCH=None
TEST=Compiles successfully and boots kernel

Change-Id: I6e1e841d84d1a73e5c726143aeba76af933e81a1
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 59861a2700407b9e6a6209fbc45543c127b50b4b
Original-Change-Id: I256d07a41bec83037f2b61a9350f903119d8c101
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/263325
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9902
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Furquan Shaikh 2015-03-31 22:15:07 -07:00 committed by Patrick Georgi
parent e1ba3dac41
commit c769267395
2 changed files with 7 additions and 0 deletions
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1
payloads/libpayload/arch/arm64/mmu.c
View File

@ -93,6 +93,7 @@ static uint64_t get_block_attr(unsigned long tag)
switch (tag) { switch (tag) {
case TYPE_NORMAL_MEM: case TYPE_NORMAL_MEM:
attr |= BLOCK_SH_INNER_SHAREABLE;
attr |= (BLOCK_INDEX_MEM_NORMAL << BLOCK_INDEX_SHIFT); attr |= (BLOCK_INDEX_MEM_NORMAL << BLOCK_INDEX_SHIFT);
break; break;
case TYPE_DEV_MEM: case TYPE_DEV_MEM:

6
payloads/libpayload/include/arm64/arch/mmu.h
View File

@ -80,6 +80,12 @@ extern char _start[], _end[];
#define BLOCK_ACCESS (1 << 10) #define BLOCK_ACCESS (1 << 10)
#define BLOCK_SH_SHIFT (8)
#define BLOCK_SH_NON_SHAREABLE (0 << BLOCK_SH_SHIFT)
#define BLOCK_SH_UNPREDICTABLE (1 << BLOCK_SH_SHIFT)
#define BLOCK_SH_OUTER_SHAREABLE (2 << BLOCK_SH_SHIFT)
#define BLOCK_SH_INNER_SHAREABLE (3 << BLOCK_SH_SHIFT)
/* XLAT Table Init Attributes */ /* XLAT Table Init Attributes */
#define VA_START 0x0 #define VA_START 0x0