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timer: hpet: mark functions as boot/pinned/isr

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This marks the data and functions into appropriate
linker sections.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-03-17 13:07:23 -07:00 • committed by Kumar Gala
commit 84a6a292c0
1 changed files with 13 additions and 4 deletions
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17
drivers/timer/hpet.c
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@ -9,6 +9,7 @@
#include <sys_clock.h>
#include <spinlock.h>
#include <irq.h>
#include <linker/sections.h>
#include <dt-bindings/interrupt-controller/intel-ioapic.h>
@ -41,11 +42,12 @@ DEVICE_MMIO_TOPLEVEL_STATIC(hpet_regs, DT_DRV_INST(0));
#define MIN_DELAY 1000
static struct k_spinlock lock;
static unsigned int max_ticks;
static unsigned int cyc_per_tick;
static unsigned int last_count;
static __pinned_bss struct k_spinlock lock;
static __pinned_bss unsigned int max_ticks;
static __pinned_bss unsigned int cyc_per_tick;
static __pinned_bss unsigned int last_count;
__isr
static void hpet_isr(const void *arg)
{
ARG_UNUSED(arg);
@ -93,6 +95,7 @@ static void hpet_isr(const void *arg)
sys_clock_announce(IS_ENABLED(CONFIG_TICKLESS_KERNEL) ? dticks : 1);
}
__pinned_func
static void set_timer0_irq(unsigned int irq)
{
/* 5-bit IRQ field starting at bit 9 */
@ -106,6 +109,7 @@ static void set_timer0_irq(unsigned int irq)
TIMER0_CONF_REG = val;
}
__boot_func
int sys_clock_driver_init(const struct device *dev)
{
extern int z_clock_hw_cycles_per_sec;
@ -146,6 +150,7 @@ int sys_clock_driver_init(const struct device *dev)
return 0;
}
__boot_func
void smp_timer_init(void)
{
/* Noop, the HPET is a single system-wide device and it's
@ -154,6 +159,7 @@ void smp_timer_init(void)
*/
}
__pinned_func
void sys_clock_set_timeout(int32_t ticks, bool idle)
{
ARG_UNUSED(idle);
@ -191,6 +197,7 @@ void sys_clock_set_timeout(int32_t ticks, bool idle)
#endif
}
__pinned_func
uint32_t sys_clock_elapsed(void)
{
if (!IS_ENABLED(CONFIG_TICKLESS_KERNEL)) {
@ -204,11 +211,13 @@ uint32_t sys_clock_elapsed(void)
return ret;
}
__pinned_func
uint32_t sys_clock_cycle_get_32(void)
{
return MAIN_COUNTER_REG;
}
__pinned_func
void sys_clock_idle_exit(void)
{
GENERAL_CONF_REG |= GCONF_ENABLE;