void acpi_init(void)
{
int s, i;
read_func = acpi_phys_copy;
if (!get_acpi_rsdp()) {
printf("WARNING : Cannot configure ACPI\n");
return;
}
s = acpi_read_sdt_at(acpi_rsdp.rsdt_addr, (struct acpi_sdt_header *) &rsdt,
sizeof(struct acpi_rsdt), ACPI_SDT_SIGNATURE(RSDT));
sdt_count = (s - sizeof(struct acpi_sdt_header)) / sizeof(u32_t);
for (i = 0; i < sdt_count; i++) {
struct acpi_sdt_header hdr;
int j;
if (read_func(rsdt.data[i], &hdr, sizeof(struct acpi_sdt_header))) {
printf("ERROR acpi cannot read header at 0x%x\n",
rsdt.data[i]);
return;
}
for (j = 0 ; j < ACPI_SDT_SIGNATURE_LEN; j++)
sdt_trans[i].signature[j] = hdr.signature[j];
sdt_trans[i].signature[ACPI_SDT_SIGNATURE_LEN] = '\0';
sdt_trans[i].length = hdr.length;
}
acpi_init_poweroff();
}
/** Initialize ACPI
*/
void
x64_acpi_init(void){
int s, i;
acpi_sdt_header hdr;
acpi_rsdt rsdt;
#if defined(DEBUG_ACPI_LAPIC) || defined(DEBUG_ACPI_IOAPIC)
unsigned int idx;
#endif /* DEBUG_ACPI_LAPIC || DEBUG_ACPI_IOAPIC */
#if defined(DEBUG_ACPI_LAPIC)
acpi_madt_lapic *lapic;
#endif /* DEBUG_ACPI_LAPIC */
#if defined(DEBUG_ACPI_IOAPIC)
acpi_madt_ioapic *ioapic;
#endif /* DEBUG_ACPI_IOAPIC */
memset(&g_acpi_info, 0, sizeof(acpi_info));
if ( get_acpi_rsdp() != 1 ) {
kprintf("WARNING : Cannot configure ACPI\n");
return;
}
s = read_sdt_at(g_acpi_info.rsdp.rsdt_addr, (acpi_sdt_header *)&rsdt,
sizeof(acpi_rsdt), ACPI_SDT_SIGNATURE(RSDT));
g_acpi_info.sdt_count = (s - sizeof(acpi_sdt_header)) / sizeof(uint32_t);
for (i = 0; g_acpi_info.sdt_count > i ; ++i) {
acpi_copy_phys(rsdt.data[i], &hdr, sizeof(acpi_sdt_header));
if ( memcmp(hdr.signature, "APIC", ACPI_SDT_SIGNATURE_LEN) == 0 )
g_acpi_info.sdt_trans[i].type = ACPI_SDT_TRANS_TYPE_APIC;
else if ( memcmp(hdr.signature, "FACP", ACPI_SDT_SIGNATURE_LEN) == 0 )
g_acpi_info.sdt_trans[i].type = ACPI_SDT_TRANS_TYPE_FACP;
else if ( memcmp(hdr.signature, "HPET", ACPI_SDT_SIGNATURE_LEN) == 0 )
g_acpi_info.sdt_trans[i].type = ACPI_SDT_TRANS_TYPE_HPET;
else
g_acpi_info.sdt_trans[i].type = ACPI_SDT_TRANS_TYPE_NONE;
g_acpi_info.sdt_trans[i].paddr = rsdt.data[i];
g_acpi_info.sdt_trans[i].kaddr = (void *)PHY_TO_KERN_STRAIGHT(rsdt.data[i]);
g_acpi_info.sdt_trans[i].length = hdr.length;
}
#if defined(DEBUG_ACPI_LAPIC)
for(idx = 0; ;) {
lapic = acpi_get_lapic(&idx);
if ( lapic == NULL )
break;
kprintf("ACPI APIC[%d] cpuid=%d apicid=%d flags=0x%x\n",
idx - 1, lapic->acpi_cpu_id, lapic->apic_id, lapic->flags);
}
#endif /* DEBUG_ACPI_LAPIC */
#if defined(DEBUG_ACPI_IOAPIC)
for(idx = 0; ; ) {
ioapic = acpi_get_ioapic(&idx);
if ( ioapic == NULL )
break;
kprintf("ACPI IOAPIC[%d] id=%d address=0x%x global int base=0x%x\n",
idx - 1, ioapic->id, ioapic->address, ioapic->global_int_base);
}
#endif /* DEBUG_ACPI_IOAPIC */
}