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Refactoring assembly entry point

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Marco Cetica
2021-02-03 15:59:42 +01:00
parent dc3803491e
commit 1b207add8c
61 changed files with 4782 additions and 4779 deletions
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76
kernel/libc/time.c
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@@ -1,38 +1,38 @@
#include "time.h"
#include "../drivers/ports.h"
// Check whether CMOS is updated or not
static uint8_t is_cmos_updated() {
outb(CMOS_ADDRESS, 0x0A);
return (inb(CMOS_DATA) & 0x80);
}
// Get CMOS register's status
static uint8_t reg_status(int32_t reg) {
outb(CMOS_ADDRESS, reg);
return inb(CMOS_DATA);
}
time_t cmos_reader() {
while(is_cmos_updated()); // Wait until the CMOS is being updated
time_t tm;
tm.second = BCD_CONVERTER(reg_status(TIME_R_SECOND));
tm.minute = BCD_CONVERTER(reg_status(TIME_R_MINUTE));
tm.hour = BCD_CONVERTER(reg_status(TIME_R_HOUR));
tm.day = BCD_CONVERTER(reg_status(TIME_R_DAY));
tm.month = BCD_CONVERTER(reg_status(TIME_R_MONTH));
tm.year = BCD_CONVERTER(reg_status(TIME_R_YEAR));
return tm;
}
uint32_t get_time(uint32_t field) {
while(is_cmos_updated()); // Wait the CMOS is being updated
return BCD_CONVERTER(reg_status(field));
}
#include "time.h"
#include "../drivers/ports.h"
// Check whether CMOS is updated or not
static uint8_t is_cmos_updated() {
outb(CMOS_ADDRESS, 0x0A);
return (inb(CMOS_DATA) & 0x80);
}
// Get CMOS register's status
static uint8_t reg_status(int32_t reg) {
outb(CMOS_ADDRESS, reg);
return inb(CMOS_DATA);
}
time_t cmos_reader() {
while(is_cmos_updated()); // Wait until the CMOS is being updated
time_t tm;
tm.second = BCD_CONVERTER(reg_status(TIME_R_SECOND));
tm.minute = BCD_CONVERTER(reg_status(TIME_R_MINUTE));
tm.hour = BCD_CONVERTER(reg_status(TIME_R_HOUR));
tm.day = BCD_CONVERTER(reg_status(TIME_R_DAY));
tm.month = BCD_CONVERTER(reg_status(TIME_R_MONTH));
tm.year = BCD_CONVERTER(reg_status(TIME_R_YEAR));
return tm;
}
uint32_t get_time(uint32_t field) {
while(is_cmos_updated()); // Wait the CMOS is being updated
return BCD_CONVERTER(reg_status(field));
}