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Feat: lab 3 w/o adv 2

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This commit is contained in:
Yi-Ting Shih
2025-03-26 15:30:57 +08:00
parent c5fc7e3102
commit 96cfdc4de2
25 changed files with 618 additions and 113 deletions
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28
kernel/main.c
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@@ -1,4 +1,5 @@
#include <logger.h>
#include <timer.h>
#include <kmalloc.h>
#include <uart.h>
#include <dtb.h>
@@ -35,11 +36,38 @@ void init(void *dtb, file_node_t **initrd_root)
mman_init();
}
static inline
void _print_time(uint64_t)
{
uint64_t cntpct_el0, cntfrq_el0;
R_SYSREG(cntpct_el0, cntpct_el0);
R_SYSREG(cntfrq_el0, cntfrq_el0);
DEBUG_EXCEP(cntpct_el0 / cntpct_el0);
}
void main(void *dtb)
{
file_node_t *initrd_root = 0x0;
init(dtb, &initrd_root);
LOG("system booting in");
_print_time(0x0);
uint64_t cntpct_el0, cntfrq_el0;
R_SYSREG(cntpct_el0, cntpct_el0);
R_SYSREG(cntfrq_el0, cntfrq_el0);
task_t task = {
.firing_tick = cntpct_el0 + 2 * cntfrq_el0,
.interval = 2 * cntfrq_el0,
.repeat = 1,
.func = _print_time,
.param = 0x0,
};
add_task(task);
uint64_t el;
R_SYSREG(el, CurrentEL);
INFOR(el);