Max Wash
6019c9307d
all kernel headers have been moved from include/mango to include/kernel and include definitions that are only relevant to kernel-space. any definitions that are relevant to both kernel- and user-space (i.e. type definitions, syscall IDs) have been moved to include/mango within libmango.
43 lines
810 B
C
43 lines
810 B
C
#include <arch/msr.h>
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#include <kernel/machine/cpu.h>
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int ml_cpu_block_init(ml_cpu_block *p)
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{
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p->c_this = p;
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gdt_init(&p->c_gdt, &p->c_gdt_ptr);
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idt_init(&p->c_idt_ptr);
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tss_init(&p->c_tss, &p->c_tss_ptr);
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gdt_write_tss(&p->c_gdt, &p->c_tss);
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return 0;
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}
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int ml_cpu_block_use(ml_cpu_block *p)
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{
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gdt_load(&p->c_gdt_ptr);
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idt_load(&p->c_idt_ptr);
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tss_load(&p->c_tss);
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wrmsr(MSR_GS_BASE, (uint64_t)p);
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return 0;
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}
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virt_addr_t ml_cpu_block_get_kstack(ml_cpu_block *p)
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{
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return tss_get_kstack(&p->c_tss);
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}
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virt_addr_t ml_cpu_block_get_ustack(ml_cpu_block *p)
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{
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return tss_get_ustack(&p->c_tss);
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}
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void ml_cpu_block_set_kstack(ml_cpu_block *p, virt_addr_t sp)
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{
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tss_set_kstack(&p->c_tss, sp);
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}
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void ml_cpu_block_set_ustack(ml_cpu_block *p, virt_addr_t sp)
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{
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tss_set_ustack(&p->c_tss, sp);
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}
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