mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-26 11:28:28 +00:00
497c9a195d
so we can merge io_apic_32.c and io_apic_64.c v2: Use cpu_online_map as target cpus for bigsmp, just like 64-bit is doing. Also remove some unused TARGET_CPUS macro. v3: need to check if desc is null in smp_irq_move_cleanup also migration needs to reset vector too, so copy __target_IO_APIC_irq from 64bit. (the duplication will go away once the two files are unified.) Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/*
|
|
* APIC driver for the Unisys ES7000 chipset.
|
|
*/
|
|
#define APIC_DEFINITION 1
|
|
#include <linux/threads.h>
|
|
#include <linux/cpumask.h>
|
|
#include <asm/mpspec.h>
|
|
#include <asm/genapic.h>
|
|
#include <asm/fixmap.h>
|
|
#include <asm/apicdef.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
#include <linux/init.h>
|
|
#include <asm/es7000/apicdef.h>
|
|
#include <linux/smp.h>
|
|
#include <asm/es7000/apic.h>
|
|
#include <asm/es7000/ipi.h>
|
|
#include <asm/es7000/mpparse.h>
|
|
#include <asm/es7000/wakecpu.h>
|
|
|
|
static int probe_es7000(void)
|
|
{
|
|
/* probed later in mptable/ACPI hooks */
|
|
return 0;
|
|
}
|
|
|
|
extern void es7000_sw_apic(void);
|
|
static void __init enable_apic_mode(void)
|
|
{
|
|
es7000_sw_apic();
|
|
return;
|
|
}
|
|
|
|
static __init int mps_oem_check(struct mp_config_table *mpc, char *oem,
|
|
char *productid)
|
|
{
|
|
if (mpc->mpc_oemptr) {
|
|
struct mp_config_oemtable *oem_table =
|
|
(struct mp_config_oemtable *)mpc->mpc_oemptr;
|
|
if (!strncmp(oem, "UNISYS", 6))
|
|
return parse_unisys_oem((char *)oem_table);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_ACPI
|
|
/* Hook from generic ACPI tables.c */
|
|
static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
|
|
{
|
|
unsigned long oem_addr = 0;
|
|
int check_dsdt;
|
|
int ret = 0;
|
|
|
|
/* check dsdt at first to avoid clear fix_map for oem_addr */
|
|
check_dsdt = es7000_check_dsdt();
|
|
|
|
if (!find_unisys_acpi_oem_table(&oem_addr)) {
|
|
if (check_dsdt)
|
|
ret = parse_unisys_oem((char *)oem_addr);
|
|
else {
|
|
setup_unisys();
|
|
ret = 1;
|
|
}
|
|
/*
|
|
* we need to unmap it
|
|
*/
|
|
unmap_unisys_acpi_oem_table(oem_addr);
|
|
}
|
|
return ret;
|
|
}
|
|
#else
|
|
static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static cpumask_t vector_allocation_domain(int cpu)
|
|
{
|
|
/* Careful. Some cpus do not strictly honor the set of cpus
|
|
* specified in the interrupt destination when using lowest
|
|
* priority interrupt delivery mode.
|
|
*
|
|
* In particular there was a hyperthreading cpu observed to
|
|
* deliver interrupts to the wrong hyperthread when only one
|
|
* hyperthread was specified in the interrupt desitination.
|
|
*/
|
|
cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
|
|
return domain;
|
|
}
|
|
|
|
struct genapic __initdata_refok apic_es7000 = APIC_INIT("es7000", probe_es7000);
|