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authorTing Shen <phoenixshen@google.com>2019-01-28 18:15:00 +0800
committerPatrick Georgi <pgeorgi@google.com>2019-02-05 13:41:45 +0000
commitdff29e0c65462258776b8fb821516faad3ec1394 (patch)
treea711cd01310f677a54f6497be8f8f071b96be54c /src/arch
parent4929f4361936bcc994044dea5c79619746384d5e (diff)
downloadcoreboot-dff29e0c65462258776b8fb821516faad3ec1394.tar.xz
bootmem: add new memory type for BL31
After CL:31122, we can finally define a memory type specific for BL31, to make sure BL31 is not loaded on other reserved area. Change-Id: Idbd9a7fe4b12af23de1519892936d8d88a000e2c Signed-off-by: Ting Shen <phoenixshen@google.com> Reviewed-on: https://review.coreboot.org/c/31123 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/arm64/arm_tf.c2
-rw-r--r--src/arch/arm64/include/arch/memlayout.h4
-rw-r--r--src/arch/arm64/tables.c5
3 files changed, 10 insertions, 1 deletions
diff --git a/src/arch/arm64/arm_tf.c b/src/arch/arm64/arm_tf.c
index c0526e08d5..3f1aa2a265 100644
--- a/src/arch/arm64/arm_tf.c
+++ b/src/arch/arm64/arm_tf.c
@@ -50,7 +50,7 @@ void arm_tf_run_bl31(u64 payload_entry, u64 payload_arg0, u64 payload_spsr)
if (prog_locate(&bl31))
die("BL31 not found");
- if (!selfload(&bl31))
+ if (!selfload_check(&bl31, BM_MEM_BL31))
die("BL31 load failed");
bl31_entry = prog_entry(&bl31);
diff --git a/src/arch/arm64/include/arch/memlayout.h b/src/arch/arm64/include/arch/memlayout.h
index 7fce9aa2f8..a3fdd66e4f 100644
--- a/src/arch/arm64/include/arch/memlayout.h
+++ b/src/arch/arm64/include/arch/memlayout.h
@@ -37,4 +37,8 @@
REGION(stack, addr, size, 16) \
_ = ASSERT(size >= 2K, "stack should be >= 2K, see toolchain.inc");
+#define BL31(addr, size) \
+ REGION(bl31, addr, size, 4K) \
+ _ = ASSERT(size % 4K == 0, "BL31 size must be divisible by 4K!");
+
#endif /* __ARCH_MEMLAYOUT_H */
diff --git a/src/arch/arm64/tables.c b/src/arch/arm64/tables.c
index f36679e67f..ec949fd83b 100644
--- a/src/arch/arm64/tables.c
+++ b/src/arch/arm64/tables.c
@@ -20,6 +20,8 @@
#include <boot/coreboot_tables.h>
#include <symbols.h>
+DECLARE_OPTIONAL_REGION(bl31);
+
void arch_write_tables(uintptr_t coreboot_table)
{
}
@@ -28,6 +30,9 @@ void bootmem_arch_add_ranges(void)
{
bootmem_add_range((uintptr_t)_ttb, _ttb_size, BM_MEM_RAMSTAGE);
+ if (IS_ENABLED(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE) && _bl31_size > 0)
+ bootmem_add_range((uintptr_t)_bl31, _bl31_size, BM_MEM_BL31);
+
if (!IS_ENABLED(CONFIG_COMMON_CBFS_SPI_WRAPPER))
return;
bootmem_add_range((uintptr_t)_postram_cbfs_cache,