Differential D26133 Diff 76051 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 Lines	acpi_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;

acpi_pxm_init(MAXCPU, (vm_paddr_t)1 << 40);		if (!get_kernel_reg(ID_AA64MMFR0_EL1, &mmfr0)) {
		/* chosen arbitrarily */
		andrewUnsubmitted Done Inline Actions This should be `ID_AA64MMFR0_PARange_VAL(mmfr0)` Maybe with `>> ID_AA64MMFR0_PARange_SHIFT`, although the shift is 0 so it might be easier to add a comment to make this knowledge explicit. andrew: This should be `ID_AA64MMFR0_PARange_VAL(mmfr0)` Maybe with `>> ID_AA64MMFR0_PARange_SHIFT`…
		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 ID_AA64MMFR0_PARange\n");
		markjUnsubmitted Not Done Inline Actions You might print the value itself in this message. markj: You might print the value itself in this message.
		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