arch: init: rename z_early_memset -> arch_early_memset

Do not use private API prefix and move to architecture interface as
those functions are primarily used across arches and can be defined by
the architecture.

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

arch/arc/core/prep_c.c

@@ -68,7 +68,7 @@ extern char __device_states_end[];
  */
 static void dev_state_zero(void)
 {
-	z_early_memset(__device_states_start, 0, __device_states_end - __device_states_start);
+	arch_early_memset(__device_states_start, 0, __device_states_end - __device_states_start);
 }
 #endif
 

arch/arm/core/cortex_m/reset.S

@@ -19,7 +19,7 @@
 _ASM_FILE_PROLOGUE
 
 GTEXT(z_arm_reset)
-GTEXT(z_early_memset)
+GTEXT(arch_early_memset)
 GDATA(z_interrupt_stacks)
 GDATA(z_main_stack)
 #if defined(CONFIG_DEBUG_THREAD_INFO)
@@ -177,7 +177,7 @@ SECTION_SUBSEC_FUNC(TEXT,_reset_section,__start)
     ldr r0, =z_interrupt_stacks
     ldr r1, =0xaa
     ldr r2, =CONFIG_ISR_STACK_SIZE + MPU_GUARD_ALIGN_AND_SIZE
-    bl z_early_memset
+    bl arch_early_memset
 #endif
 
     /*

arch/arm64/core/early_mem_funcs.S

@@ -18,9 +18,9 @@ _ASM_FILE_PROLOGUE
  * to memset or memcpy on its own.
  */
 
-/* void z_early_memset(void *dst, int c, size_t n) */
-GTEXT(z_early_memset)
-SECTION_FUNC(TEXT, z_early_memset)
+/* void arch_early_memset(void *dst, int c, size_t n) */
+GTEXT(arch_early_memset)
+SECTION_FUNC(TEXT, arch_early_memset)
 
 	/* is dst pointer 8-bytes aligned? */
 	tst	x0, #0x7

arch/common/init.c

@@ -24,7 +24,7 @@
  * may override this with their own safe implementation.
  */
 __boot_func
-void __weak z_early_memset(void *dst, int c, size_t n)
+void __weak arch_early_memset(void *dst, int c, size_t n)
 {
 	(void) memset(dst, c, n);
 }
@@ -54,19 +54,19 @@ void z_bss_zero(void)
 		return;
 	}
 
-	z_early_memset(__bss_start, 0, __bss_end - __bss_start);
+	arch_early_memset(__bss_start, 0, __bss_end - __bss_start);
 #if DT_NODE_HAS_STATUS_OKAY(DT_CHOSEN(zephyr_ccm))
-	z_early_memset(&__ccm_bss_start, 0,
+	arch_early_memset(&__ccm_bss_start, 0,
 		       (uintptr_t) &__ccm_bss_end
 		       - (uintptr_t) &__ccm_bss_start);
 #endif
 #if DT_NODE_HAS_STATUS_OKAY(DT_CHOSEN(zephyr_dtcm))
-	z_early_memset(&__dtcm_bss_start, 0,
+	arch_early_memset(&__dtcm_bss_start, 0,
 		       (uintptr_t) &__dtcm_bss_end
 		       - (uintptr_t) &__dtcm_bss_start);
 #endif
 #if DT_NODE_HAS_STATUS_OKAY(DT_CHOSEN(zephyr_ocm))
-	z_early_memset(&__ocm_bss_start, 0,
+	arch_early_memset(&__ocm_bss_start, 0,
 		       (uintptr_t) &__ocm_bss_end
 		       - (uintptr_t) &__ocm_bss_start);
 #endif
@@ -76,11 +76,11 @@ void z_bss_zero(void)
 	bss_zeroing_relocation();
 #endif	/* CONFIG_CODE_DATA_RELOCATION */
 #ifdef CONFIG_COVERAGE_GCOV
-	z_early_memset(&__gcov_bss_start, 0,
+	arch_early_memset(&__gcov_bss_start, 0,
 		       ((uintptr_t) &__gcov_bss_end - (uintptr_t) &__gcov_bss_start));
 #endif /* CONFIG_COVERAGE_GCOV */
 #ifdef CONFIG_NOCACHE_MEMORY
-	z_early_memset(&_nocache_ram_start, 0,
+	arch_early_memset(&_nocache_ram_start, 0,
 			(uintptr_t) &_nocache_ram_end - (uintptr_t) &_nocache_ram_start);
 #endif
 }
@@ -97,7 +97,7 @@ void z_bss_zero(void)
 __boot_func
 void z_bss_zero_boot(void)
 {
-	z_early_memset(&lnkr_boot_bss_start, 0,
+	arch_early_memset(&lnkr_boot_bss_start, 0,
 		       (uintptr_t)&lnkr_boot_bss_end
 		       - (uintptr_t)&lnkr_boot_bss_start);
 }
@@ -119,7 +119,7 @@ __pinned_func
 #endif /* CONFIG_LINKER_USE_BOOT_SECTION */
 void z_bss_zero_pinned(void)
 {
-	z_early_memset(&lnkr_pinned_bss_start, 0,
+	arch_early_memset(&lnkr_pinned_bss_start, 0,
 		       (uintptr_t)&lnkr_pinned_bss_end
 		       - (uintptr_t)&lnkr_pinned_bss_start);
 }

include/zephyr/arch/common/init.h

@@ -9,7 +9,7 @@
 FUNC_NORETURN void z_cstart(void);
 
 /* Early boot functions */
-void z_early_memset(void *dst, int c, size_t n);
+void arch_early_memset(void *dst, int c, size_t n);
 void z_early_memcpy(void *dst, const void *src, size_t n);
 
 void z_bss_zero(void);

scripts/build/gen_relocate_app.py

@@ -211,7 +211,7 @@ class OutputSection(NamedTuple):
 """
 
 MEMSET_TEMPLATE = """
-	z_early_memset(&__{mem}_bss_reloc_start, 0,
+	arch_early_memset(&__{mem}_bss_reloc_start, 0,
 		           (size_t) &__{mem}_bss_reloc_size);
 """
 

tests/application_development/code_relocation/src/main.c

@@ -56,7 +56,7 @@ void  z_early_memcpy(void *dst, const void *src, size_t n)
 }
 
 __boot_func
-void z_early_memset(void *dst, int c, size_t n)
+void arch_early_memset(void *dst, int c, size_t n)
 {
 	/* do byte-sized initialization until word-aligned or finished */