diff options
Diffstat (limited to 'bl1')
| -rw-r--r-- | bl1/bl1.ld.S | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/bl1/bl1.ld.S b/bl1/bl1.ld.S index b69065ee..2cfb24c1 100644 --- a/bl1/bl1.ld.S +++ b/bl1/bl1.ld.S @@ -111,14 +111,20 @@ SECTIONS ASSERT(__CPU_OPS_END__ > __CPU_OPS_START__, "cpu_ops not defined for this platform.") + . = BL1_RW_BASE; + ASSERT(BL1_RW_BASE == ALIGN(4096), + "BL1_RW_BASE address is not aligned on a page boundary.") + /* * The .data section gets copied from ROM to RAM at runtime. - * Its LMA must be 16-byte aligned. + * Its LMA should be 16-byte aligned to allow efficient copying of 16-bytes + * aligned regions in it. * Its VMA must be page-aligned as it marks the first read/write page. + * + * It must be placed at a lower address than the stacks if the stack + * protector is enabled. Alternatively, the .data.stack_protector_canary + * section can be placed independently of the main .data section. */ - . = BL1_RW_BASE; - ASSERT(. == ALIGN(4096), - "BL1_RW_BASE address is not aligned on a page boundary.") .data . : ALIGN(16) { __DATA_RAM_START__ = .; *(.data*) |