diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index ebdaaf7dd19f4b3bdd39169524ed70ee4caa1c34..51fc9b3b52eac073e53c022a85d29d0b292c774a 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -135,11 +135,18 @@ #define PLAT_PHYS_OFFSET UL(CONFIG_PHYS_OFFSET) #ifdef CONFIG_XIP_KERNEL -#define PHYS_OFFSET_FIXUP \ - ( XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) - PAGE_OFFSET + \ - PLAT_PHYS_OFFSET - CONFIG_XIP_PHYS_ADDR ) +/* + * When referencing data in RAM from the XIP region in a relative manner + * with the MMU off, we need the relative offset between the two physical + * addresses. The macro below achieves this, which is: + * __pa(v_data) - __xip_pa(v_text) + */ +#define PHYS_RELATIVE(v_data, v_text) \ + (((v_data) - PAGE_OFFSET + PLAT_PHYS_OFFSET) - \ + ((v_text) - XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) + \ + CONFIG_XIP_PHYS_ADDR)) #else -#define PHYS_OFFSET_FIXUP 0 +#define PHYS_RELATIVE(v_data, v_text) ((v_data) - (v_text)) #endif #ifndef __ASSEMBLY__ diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 1595fb29ec12d2a664c3a0df7afa06d5b2514496..0f8963a7e7d9db28465c63a2bab69a615fb6a2cb 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -487,7 +487,7 @@ __errata_finish: .align 2 __v7_setup_stack_ptr: - .word __v7_setup_stack - . + PHYS_OFFSET_FIXUP + .word PHYS_RELATIVE(__v7_setup_stack, .) ENDPROC(__v7_setup) .bss