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[SMP] Boot Application Processors

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This commit is contained in:
Thomas Lovén
2016-11-23 16:16:33 +01:00
parent f356cc8f95
commit 6a2bef5517
4 changed files with 193 additions and 0 deletions
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17
kernel/cpu/cpu.c
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@@ -4,6 +4,9 @@
#include <msr.h>
#include <sse.h>
#include <scheduler.h>
#include <mem.h>
#include <gdt.h>
#include <string.h>
cpu_t cpus[MAX_NUMCPU];
unsigned int num_cpu = 0;
@@ -19,6 +22,11 @@ void cpu_add(uint64_t id, uint64_t apic)
cpu->id = id;
cpu->apic_id = apic;
cpu->is_bsp = (num_cpu)?0:1;
cpu->current_thread = 0;
cpu->current_state = (num_cpu)?CPU_STOPPED:CPU_STARTED;
cpu->kernel_stack = (num_cpu)?kmalloc(PAGE_SIZE) + PAGE_SIZE:0;
num_cpu++;
}
@@ -44,6 +52,15 @@ void cpu_init()
asm("swapgs");
init_cpu();
vmm_set_page(0, TRAMPOLINE_ADDR, TRAMPOLINE_ADDR, PAGE_PRESENT | PAGE_WRITE);
memcpy((void *)TRAMPOLINE_ADDR, &trampoline, PAGE_SIZE);
vmm_set_page(0, V2P(&BootGDT), V2P(&BootGDT), PAGE_PRESENT);
for(unsigned int i = 0; i < num_cpu; i++)
{
ap_init(&cpus[i]);
}
vmm_set_page(0, TRAMPOLINE_ADDR, 0, 0);
debug_info("CPU - Status\n");
for(unsigned int i = 0; i < num_cpu; i++)
{