fix(img_addr): define load and data address in C

Signed-off-by: Daniel Oliveira <[email protected]>

Author: danielRep

src/arch/armv8/aarch32/boot.S

@@ -23,10 +23,6 @@
  */
 _barrier: .4byte 0
 
-.balign 4
-.global img_addr
-img_addr: .4byte 0
-
 /**
  *  The following code MUST be at the base of the image, as this is bao's entry point. Therefore
  * .boot section must also be the first in the linker script. DO NOT implement any code before the

src/arch/armv8/aarch64/boot.S

@@ -17,10 +17,6 @@
  .global _boot_barrier
 _boot_barrier: .8byte 0
 
-.balign 8
-.global img_addr
-img_addr: .8byte 0
-
 /**
  * The following code MUST be at the base of the image, as this is bao's entry point. Therefore
  * .boot section must also be the first in the linker script. DO NOT implement any code before the

src/arch/riscv/boot.S

@@ -71,10 +71,6 @@ _extra_allocated_phys_mem_sym: .8byte extra_allocated_phys_mem
  */
 _barrier: .8byte 0		
 
-.balign 4
-.global img_addr
-img_addr: .8byte 0
-
 /**
  * 	The following code MUST be at the base of the image, as this is bao's entrypoint. Therefore
  * .boot section must also be the first in the linker script. DO NOT implement any code before the

src/core/inc/mem.h

@@ -96,9 +96,9 @@ bool mem_translate(struct addr_space* as, vaddr_t va, paddr_t* pa);
 extern struct list page_pool_list;
 
 /* The address where the Bao image is loaded in memory */
-extern const uintptr_t img_addr;
+extern uintptr_t img_addr;
 /* The address where the data section is loaded in memory */
-extern const uintptr_t data_addr;
+extern uintptr_t data_addr;
 
 #endif /* __ASSEMBLER__ */
 

src/core/mem.c

@@ -19,6 +19,11 @@ extern uint8_t _image_start, _image_load_end, _image_end, _vm_image_start, _vm_i
 
 struct list page_pool_list;
 
+/* The address where the Bao image is loaded in memory */
+uintptr_t img_addr __attribute__((section(".data")));
+/* The address where the data section is loaded in memory */
+uintptr_t data_addr __attribute__((section(".data")));
+
 static size_t calc_root_mem_size(void)
 {
     if (DEFINED(MEM_NON_UNIFIED)) {