kamkow1
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27 lines
690 B
C
27 lines
690 B
C
#include <amd64/msr-index.h>
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#include <amd64/msr.h>
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#include <amd64/sched.h>
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#include <libk/std.h>
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#include <libk/string.h>
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#include <proc/proc.h>
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#include <sync/spin_lock.h>
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#include <sys/mm.h>
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#include <sys/smp.h>
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void do_sched (struct proc* proc, spin_lock_t* cpu_lock) {
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spin_lock (&proc->lock);
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thiscpu->tss.rsp0 = proc->pdata.kernel_stack;
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thiscpu->syscall_kernel_stack = proc->pdata.kernel_stack;
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amd64_wrmsr (MSR_FS_BASE, proc->pdata.fs_base);
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void* cr3 = (void*)proc->procgroup->pd.cr3_paddr;
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struct saved_regs regs;
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memcpy (®s, &proc->pdata.regs, sizeof (regs));
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spin_unlock (&proc->lock);
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spin_unlock (cpu_lock);
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amd64_do_sched ((void*)®s, cr3);
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}
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