38 lines
847 B
C
38 lines
847 B
C
#include <amd64/fx.h>
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#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 <aux/compiler.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/debug.h>
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#include <sys/intr.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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uint64_t fp;
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intr_disable();
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spin_lock(&proc->lock, &fp);
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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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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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fx_restore(proc->pdata.fx_env);
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spin_unlock(&proc->lock, fp);
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spin_unlock(cpu_lock, 0);
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do_sched1((void*)®s, cr3);
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}
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