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Differential D40450 Diff 122931 sys/i386/i386/machdep.c

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sys/i386/i386/machdep.c

Show First 20 Lines • Show All 1,691 Lines • ▼ Show 20 Linesmachdep_init_trampoline(void)
_default_ldt = GSEL(GLDT_SEL, SEL_KPL); _default_ldt = GSEL(GLDT_SEL, SEL_KPL);
lldt(_default_ldt); lldt(_default_ldt);
PCPU_SET(currentldt, _default_ldt); PCPU_SET(currentldt, _default_ldt);
copyout_buf = pmap_trm_alloc(TRAMP_COPYOUT_SZ, M_NOWAIT); copyout_buf = pmap_trm_alloc(TRAMP_COPYOUT_SZ, M_NOWAIT);
PCPU_SET(copyout_buf, copyout_buf); PCPU_SET(copyout_buf, copyout_buf);
copyout_init_tramp(); copyout_init_tramp();
} }
SYSINIT(vm_mem, SI_SUB_VM, SI_ORDER_SECOND, machdep_init_trampoline, NULL); SYSINIT(vm_mem, SI_SUB_VM, SI_ORDER_SECOND, machdep_init_trampoline);
#ifdef COMPAT_43 #ifdef COMPAT_43
static void static void
i386_setup_lcall_gate(void) i386_setup_lcall_gate(void)
{ {
struct sysentvec *sv; struct sysentvec *sv;
struct user_segment_descriptor desc; struct user_segment_descriptor desc;
u_int lcall_addr; u_int lcall_addr;
sv = &elf32_freebsd_sysvec; sv = &elf32_freebsd_sysvec;
lcall_addr = (uintptr_t)sv->sv_psstrings - sz_lcall_tramp; lcall_addr = (uintptr_t)sv->sv_psstrings - sz_lcall_tramp;
bzero(&desc, sizeof(desc)); bzero(&desc, sizeof(desc));
desc.sd_type = SDT_MEMERA; desc.sd_type = SDT_MEMERA;
desc.sd_dpl = SEL_UPL; desc.sd_dpl = SEL_UPL;
desc.sd_p = 1; desc.sd_p = 1;
desc.sd_def32 = 1; desc.sd_def32 = 1;
desc.sd_gran = 1; desc.sd_gran = 1;
desc.sd_lolimit = 0xffff; desc.sd_lolimit = 0xffff;
desc.sd_hilimit = 0xf; desc.sd_hilimit = 0xf;
desc.sd_lobase = lcall_addr; desc.sd_lobase = lcall_addr;
desc.sd_hibase = lcall_addr >> 24; desc.sd_hibase = lcall_addr >> 24;
bcopy(&desc, &ldt[LSYS5CALLS_SEL], sizeof(desc)); bcopy(&desc, &ldt[LSYS5CALLS_SEL], sizeof(desc));
} }
SYSINIT(elf32, SI_SUB_EXEC, SI_ORDER_ANY, i386_setup_lcall_gate, NULL); SYSINIT(elf32, SI_SUB_EXEC, SI_ORDER_ANY, i386_setup_lcall_gate);
#endif #endif
void void
cpu_pcpu_init(struct pcpu *pcpu, int cpuid, size_t size) cpu_pcpu_init(struct pcpu *pcpu, int cpuid, size_t size)
{ {
pcpu->pc_acpi_id = 0xffffffff; pcpu->pc_acpi_id = 0xffffffff;
} }
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