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kernel: init.c: tag source for boot/pinned sections

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This adds the tags for functions and variables so they
can be put into boot/pinned sections.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-03-25 16:05:15 -07:00 • committed by Kumar Gala
commit 660d1478c6
1 changed files with 17 additions and 4 deletions
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21
kernel/init.c
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@ -45,9 +45,12 @@ K_THREAD_STACK_DEFINE(z_main_stack, CONFIG_MAIN_STACK_SIZE);
struct k_thread z_main_thread; struct k_thread z_main_thread;
#ifdef CONFIG_MULTITHREADING #ifdef CONFIG_MULTITHREADING
__pinned_bss
struct k_thread z_idle_threads[CONFIG_MP_NUM_CPUS]; struct k_thread z_idle_threads[CONFIG_MP_NUM_CPUS];
static K_KERNEL_STACK_ARRAY_DEFINE(z_idle_stacks, CONFIG_MP_NUM_CPUS,
CONFIG_IDLE_STACK_SIZE); static K_KERNEL_PINNED_STACK_ARRAY_DEFINE(z_idle_stacks,
CONFIG_MP_NUM_CPUS,
CONFIG_IDLE_STACK_SIZE);
#endif /* CONFIG_MULTITHREADING */ #endif /* CONFIG_MULTITHREADING */
/* /*
@ -58,8 +61,9 @@ static K_KERNEL_STACK_ARRAY_DEFINE(z_idle_stacks, CONFIG_MP_NUM_CPUS,
* of this area is safe since interrupts are disabled until the kernel context * of this area is safe since interrupts are disabled until the kernel context
* switches to the init thread. * switches to the init thread.
*/ */
K_KERNEL_STACK_ARRAY_DEFINE(z_interrupt_stacks, CONFIG_MP_NUM_CPUS, K_KERNEL_PINNED_STACK_ARRAY_DEFINE(z_interrupt_stacks,
CONFIG_ISR_STACK_SIZE); CONFIG_MP_NUM_CPUS,
CONFIG_ISR_STACK_SIZE);
#ifdef CONFIG_SYS_CLOCK_EXISTS #ifdef CONFIG_SYS_CLOCK_EXISTS
#define initialize_timeouts() do { \ #define initialize_timeouts() do { \
@ -87,6 +91,7 @@ extern void idle(void *unused1, void *unused2, void *unused3);
* *
* @return N/A * @return N/A
*/ */
__boot_func
void z_bss_zero(void) void z_bss_zero(void)
{ {
(void)memset(__bss_start, 0, __bss_end - __bss_start); (void)memset(__bss_start, 0, __bss_end - __bss_start);
@ -155,7 +160,9 @@ extern volatile uintptr_t __stack_chk_guard;
/* LCOV_EXCL_STOP */ /* LCOV_EXCL_STOP */
__pinned_bss
bool z_sys_post_kernel; bool z_sys_post_kernel;
extern void boot_banner(void); extern void boot_banner(void);
/** /**
@ -167,6 +174,7 @@ extern void boot_banner(void);
* *
* @return N/A * @return N/A
*/ */
__boot_func
static void bg_thread_main(void *unused1, void *unused2, void *unused3) static void bg_thread_main(void *unused1, void *unused2, void *unused3)
{ {
ARG_UNUSED(unused1); ARG_UNUSED(unused1);
@ -235,6 +243,7 @@ void __weak main(void)
/* LCOV_EXCL_STOP */ /* LCOV_EXCL_STOP */
#if defined(CONFIG_MULTITHREADING) #if defined(CONFIG_MULTITHREADING)
__boot_func
static void init_idle_thread(int i) static void init_idle_thread(int i)
{ {
struct k_thread *thread = &z_idle_threads[i]; struct k_thread *thread = &z_idle_threads[i];
@ -271,6 +280,7 @@ static void init_idle_thread(int i)
* *
* @return initial stack pointer for the main thread * @return initial stack pointer for the main thread
*/ */
__boot_func
static char *prepare_multithreading(void) static char *prepare_multithreading(void)
{ {
char *stack_ptr; char *stack_ptr;
@ -312,6 +322,7 @@ static char *prepare_multithreading(void)
return stack_ptr; return stack_ptr;
} }
__boot_func
static FUNC_NORETURN void switch_to_main_thread(char *stack_ptr) static FUNC_NORETURN void switch_to_main_thread(char *stack_ptr)
{ {
#ifdef CONFIG_ARCH_HAS_CUSTOM_SWAP_TO_MAIN #ifdef CONFIG_ARCH_HAS_CUSTOM_SWAP_TO_MAIN
@ -330,6 +341,7 @@ static FUNC_NORETURN void switch_to_main_thread(char *stack_ptr)
#endif /* CONFIG_MULTITHREADING */ #endif /* CONFIG_MULTITHREADING */
#if defined(CONFIG_ENTROPY_HAS_DRIVER) || defined(CONFIG_TEST_RANDOM_GENERATOR) #if defined(CONFIG_ENTROPY_HAS_DRIVER) || defined(CONFIG_TEST_RANDOM_GENERATOR)
__boot_func
void z_early_boot_rand_get(uint8_t *buf, size_t length) void z_early_boot_rand_get(uint8_t *buf, size_t length)
{ {
int n = sizeof(uint32_t); int n = sizeof(uint32_t);
@ -398,6 +410,7 @@ sys_rand_fallback:
* *
* @return Does not return * @return Does not return
*/ */
__boot_func
FUNC_NORETURN void z_cstart(void) FUNC_NORETURN void z_cstart(void)
{ {
/* gcov hook needed to get the coverage report.*/ /* gcov hook needed to get the coverage report.*/