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authorEric Biederman <ebiederm@xmission.com>2004-10-14 20:54:17 +0000
committerEric Biederman <ebiederm@xmission.com>2004-10-14 20:54:17 +0000
commitb78c1972feed4c57eebba8f94de86a91e32c3fa7 (patch)
tree2ba60cfe9866f4d1e2de1d9727d0e548139afb35 /src/arch/i386/smp/mpspec.c
parentcadfd4c462673bcb44cdb1f193e52c95a888762a (diff)
- First pass through with with device tree enhancement merge. Most of the mechanisms should
be in place but don't expect anything to quite work yet. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1662 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch/i386/smp/mpspec.c')
-rw-r--r--src/arch/i386/smp/mpspec.c44
1 files changed, 23 insertions, 21 deletions
diff --git a/src/arch/i386/smp/mpspec.c b/src/arch/i386/smp/mpspec.c
index 4a1e233be9..babfcbdca2 100644
--- a/src/arch/i386/smp/mpspec.c
+++ b/src/arch/i386/smp/mpspec.c
@@ -1,10 +1,9 @@
#include <console/console.h>
#include <cpu/cpu.h>
-#include <smp/start_stop.h>
#include <arch/smp/mpspec.h>
#include <string.h>
-#include <cpu/p5/cpuid.h>
-#include <cpu/p6/apic.h>
+#include <arch/cpu.h>
+#include <cpu/x86/lapic.h>
unsigned char smp_compute_checksum(void *v, int len)
{
@@ -94,30 +93,33 @@ void smp_write_processor(struct mp_config_table *mc,
* Having the proper apicid's in the table so the non-bootstrap
* processors can be woken up should be enough.
*/
-void smp_write_processors(struct mp_config_table *mc,
- unsigned long *processor_map)
+void smp_write_processors(struct mp_config_table *mc)
{
- int i;
- int processor_id;
+ int boot_apic_id;
unsigned apic_version;
unsigned cpu_features;
unsigned cpu_feature_flags;
- int eax, ebx, ecx, edx;
- processor_id = this_processors_id();
- apic_version = apic_read(APIC_LVR) & 0xff;
- cpuid(1, &eax, &ebx, &ecx, &edx);
- cpu_features = eax;
- cpu_feature_flags = edx;
- for(i = 0; i < CONFIG_MAX_CPUS; i++) {
- unsigned long cpu_apicid = initial_apicid[i];
+ struct cpuid_result result;
+ device_t cpu;
+ boot_apic_id = lapicid();
+ apic_version = lapic_read(LAPIC_LVR) & 0xff;
+ result = cpuid(1);
+ cpu_features = result.eax;
+ cpu_feature_flags = result.edx;
+ for(cpu = dev_root.link[1].children; cpu; cpu = cpu->sibling) {
unsigned long cpu_flag;
- if(initial_apicid[i]==-1)
+ if (cpu->path.type != DEVICE_PATH_APIC) {
+ continue;
+ }
+ if (!cpu->enabled) {
continue;
+ }
cpu_flag = MPC_CPU_ENABLED;
- if (processor_map[i] & CPU_BOOTPROCESSOR) {
- cpu_flag |= MPC_CPU_BOOTPROCESSOR;
+ if (boot_apic_id == cpu->path.u.apic.apic_id) {
+ cpu_flag = MPC_CPU_ENABLED;
}
- smp_write_processor(mc, cpu_apicid, apic_version,
+ smp_write_processor(mc,
+ cpu->path.u.apic.apic_id, apic_version,
cpu_flag, cpu_features, cpu_feature_flags
);
}
@@ -136,8 +138,8 @@ void smp_write_bus(struct mp_config_table *mc,
}
void smp_write_ioapic(struct mp_config_table *mc,
- unsigned char id, unsigned char ver,
- unsigned long apicaddr)
+ unsigned char id, unsigned char ver,
+ unsigned long apicaddr)
{
struct mpc_config_ioapic *mpc;
mpc = smp_next_mpc_entry(mc);