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APIC timer calibration

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Now the APIC timer is calibrated against the PIT, and the interval for
timer_enable takes a number of microseconds instead of raw ticks and a
divisor.
This commit is contained in:
Justin C. Miller
2018-09-16 18:56:01 -07:00
parent 482b9f50fc
commit 5e6769036c
7 changed files with 126 additions and 47 deletions
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8
src/kernel/main.cpp
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@@ -4,6 +4,7 @@
#include "initrd/initrd.h"
#include "kutil/assert.h"
#include "kutil/memory.h"
#include "apic.h"
#include "block_device.h"
#include "console.h"
#include "cpu.h"
@@ -22,7 +23,6 @@
extern "C" {
void kernel_main(popcorn_data *header);
void *__bss_start, *__bss_end;
}
@@ -40,7 +40,7 @@ init_console()
cons->puts(GIT_VERSION " booting...\n");
log::init(cons);
log::enable(logs::apic, log::level::info);
log::enable(logs::apic, log::level::debug);
log::enable(logs::device, log::level::info);
log::enable(logs::driver, log::level::debug);
log::enable(logs::memory, log::level::info);
@@ -141,13 +141,17 @@ kernel_main(popcorn_data *header)
}
*/
devices->get_lapic()->calibrate_timer();
syscall_enable();
scheduler *sched = new (&scheduler::get()) scheduler(devices->get_lapic());
/*
for (auto &f : ird.files()) {
if (f.executable())
sched->create_process(f.name(), f.data(), f.size());
}
*/
sched->start();
}