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kernel/kernelmq/init.c
2020-11-25 15:35:16 +05:00

36 lines
864 B
C

#include "panic.h"
#include "pfa.h"
#include "protected.h"
#include "paging.h"
#include "info.h"
#include "stdlib.h"
#include "module.h"
#include "tasks.h"
#include "elf.h"
static struct KernelMQ_Info kinfo;
void init(const struct KernelMQ_Info *const kinfo_ptr)
{
kmemset(&kinfo, 0, sizeof(struct KernelMQ_Info));
assert(kernelmq_info_validate_and_copy(&kinfo, kinfo_ptr), "Invalid kernel information.");
pfa_initialize(&kinfo);
protected_initialize(&kinfo);
// Set up a new post-relocate bootstrap pagetable so that
// we can map in VM, and we no longer rely on pre-relocated
// data.
paging_clear();
paging_identity(); // Still need 1:1 for lapic and video mem and such.
paging_mapkernel(&kinfo);
paging_load();
if (kinfo.modules_count > 0) {
tasks_switch_to_user(kinfo.modules[0].base);
}
}