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Differential D30297 Diff 91294 sys/arm64/acpica/acpi_machdep.c

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sys/arm64/acpica/acpi_machdep.c

Show First 20 Lines • Show All 226 Lines • ▼ Show 20 Linesacpi_map_addr(struct acpi_generic_address *addr, bus_space_tag_t *tag,
return (bus_space_map(*tag, phys, size, 0, handle)); return (bus_space_map(*tag, phys, size, 0, handle));
} }
#if MAXMEMDOM > 1 #if MAXMEMDOM > 1
static void static void
parse_pxm_tables(void *dummy) parse_pxm_tables(void *dummy)
{ {
uint64_t mmfr0, parange;
/* Only parse ACPI tables when booting via ACPI */ /* Only parse ACPI tables when booting via ACPI */
if (arm64_bus_method != ARM64_BUS_ACPI) if (arm64_bus_method != ARM64_BUS_ACPI)
return; return;
if (!get_kernel_reg(ID_AA64MMFR0_EL1, &mmfr0)) { acpi_pxm_init(MAXCPU, get_physaddr_max());
/* chosen arbitrarily */
mmfr0 = ID_AA64MMFR0_PARange_1T;
}
switch (ID_AA64MMFR0_PARange_VAL(mmfr0)) {
case ID_AA64MMFR0_PARange_4G:
parange = (vm_paddr_t)4 << 30 /* GiB */;
break;
case ID_AA64MMFR0_PARange_64G:
parange = (vm_paddr_t)64 << 30 /* GiB */;
break;
case ID_AA64MMFR0_PARange_1T:
parange = (vm_paddr_t)1 << 40 /* TiB */;
break;
case ID_AA64MMFR0_PARange_4T:
parange = (vm_paddr_t)4 << 40 /* TiB */;
break;
case ID_AA64MMFR0_PARange_16T:
parange = (vm_paddr_t)16 << 40 /* TiB */;
break;
case ID_AA64MMFR0_PARange_256T:
parange = (vm_paddr_t)256 << 40 /* TiB */;
break;
case ID_AA64MMFR0_PARange_4P:
parange = (vm_paddr_t)4 << 50 /* PiB */;
break;
default:
/* chosen arbitrarily */
parange = (vm_paddr_t)1 << 40 /* TiB */;
printf("Unknown value for PARange in mmfr0 (%#lx)\n", mmfr0);
break;
}
acpi_pxm_init(MAXCPU, parange);
acpi_pxm_parse_tables(); acpi_pxm_parse_tables();
acpi_pxm_set_mem_locality(); acpi_pxm_set_mem_locality();
} }
SYSINIT(parse_pxm_tables, SI_SUB_VM - 1, SI_ORDER_FIRST, parse_pxm_tables, SYSINIT(parse_pxm_tables, SI_SUB_VM - 1, SI_ORDER_FIRST, parse_pxm_tables,
NULL); NULL);
#endif #endif