kernel: rename Z_KERNEL_STACK_LEN to K_KERNEL_STACK_LEN

Since there is a K_THREAD_STACK_LEN, its kernel counterpart
should also be prefixed with K_ for consistency.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>

Author: dcpleung

include/zephyr/arch/arc/arch.h

@@ -188,7 +188,7 @@ BUILD_ASSERT(CONFIG_PRIVILEGED_STACK_SIZE % Z_ARC_MPU_ALIGN == 0,
  * in another area of memory generated at build time by gen_kobject_list.py
  *
  * +------------+ <- thread.arch.priv_stack_start
- * | Priv Stack | } Z_KERNEL_STACK_LEN(CONFIG_PRIVILEGED_STACK_SIZE)
+ * | Priv Stack | } K_KERNEL_STACK_LEN(CONFIG_PRIVILEGED_STACK_SIZE)
  * +------------+
  *
  * +------------+ <- thread.stack_obj = thread.stack_info.start

include/zephyr/kernel/thread_stack.h

@@ -104,7 +104,7 @@ static inline char *z_stack_ptr_align(char *ptr)
 #define Z_KERNEL_STACK_OBJ_ALIGN	ARCH_STACK_PTR_ALIGN
 #endif /* ARCH_KERNEL_STACK_OBJ_ALIGN */
 
-#define Z_KERNEL_STACK_LEN(size) \
+#define K_KERNEL_STACK_LEN(size) \
 	ROUND_UP(Z_KERNEL_STACK_SIZE_ADJUST(size), Z_KERNEL_STACK_OBJ_ALIGN)
 
 /**
@@ -137,7 +137,7 @@ static inline char *z_stack_ptr_align(char *ptr)
  */
 #define K_KERNEL_STACK_ARRAY_DECLARE(sym, nmemb, size) \
 	extern struct z_thread_stack_element \
-		sym[nmemb][Z_KERNEL_STACK_LEN(size)]
+		sym[nmemb][K_KERNEL_STACK_LEN(size)]
 
 /**
  * @brief Declare a reference to a pinned thread stack array
@@ -151,7 +151,7 @@ static inline char *z_stack_ptr_align(char *ptr)
  */
 #define K_KERNEL_PINNED_STACK_ARRAY_DECLARE(sym, nmemb, size) \
 	extern struct z_thread_stack_element \
-		sym[nmemb][Z_KERNEL_STACK_LEN(size)]
+		sym[nmemb][K_KERNEL_STACK_LEN(size)]
 
 /**
  * @brief Define a toplevel kernel stack memory region in specified section
@@ -188,7 +188,7 @@ static inline char *z_stack_ptr_align(char *ptr)
 #define Z_KERNEL_STACK_ARRAY_DEFINE_IN(sym, nmemb, size, lsect) \
 	struct z_thread_stack_element lsect \
 		__aligned(Z_KERNEL_STACK_OBJ_ALIGN) \
-		sym[nmemb][Z_KERNEL_STACK_LEN(size)]
+		sym[nmemb][K_KERNEL_STACK_LEN(size)]
 
 /**
  * @brief Define a toplevel kernel stack memory region
@@ -290,7 +290,7 @@ static inline char *Z_KERNEL_STACK_BUFFER(k_thread_stack_t *sym)
 #ifndef CONFIG_USERSPACE
 #define K_THREAD_STACK_RESERVED		K_KERNEL_STACK_RESERVED
 #define K_THREAD_STACK_SIZEOF		K_KERNEL_STACK_SIZEOF
-#define K_THREAD_STACK_LEN		Z_KERNEL_STACK_LEN
+#define K_THREAD_STACK_LEN		K_KERNEL_STACK_LEN
 #define K_THREAD_STACK_DEFINE		K_KERNEL_STACK_DEFINE
 #define K_THREAD_STACK_ARRAY_DEFINE	K_KERNEL_STACK_ARRAY_DEFINE
 #define K_THREAD_STACK_MEMBER		K_KERNEL_STACK_MEMBER

scripts/build/gen_kobject_list.py

@@ -794,7 +794,7 @@ def write_gperf_table(fp, syms, objs, little_endian, static_begin, static_end):
             # memory section.
             fp.write("static uint8_t Z_GENERIC_SECTION(.priv_stacks.noinit) "
                      " __aligned(Z_KERNEL_STACK_OBJ_ALIGN)"
-                     " priv_stacks[%d][Z_KERNEL_STACK_LEN(CONFIG_PRIVILEGED_STACK_SIZE)];\n"
+                     " priv_stacks[%d][K_KERNEL_STACK_LEN(CONFIG_PRIVILEGED_STACK_SIZE)];\n"
                      % stack_counter)
 
             fp.write("static const struct z_stack_data stack_data[%d] = {\n"

tests/kernel/threads/thread_stack/src/main.c

@@ -271,7 +271,7 @@ void stack_buffer_scenarios(void)
 		if (scenario_data.is_user) {
 			adjusted = K_THREAD_STACK_LEN(scenario_data.declared_size);
 		} else {
-			adjusted = Z_KERNEL_STACK_LEN(scenario_data.declared_size);
+			adjusted = K_KERNEL_STACK_LEN(scenario_data.declared_size);
 		}
 		adjusted -= reserved;