build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/25627 )
Change subject: soc/intel/common/block/cpu/cpulib: Add function to get cpu_slot based on APIC ID
......................................................................
Patch Set 1: Verified+1
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Gerrit-Change-Id: Ib9172a4938f25998755593524122b787e9b00294
Gerrit-Change-Number: 25627
Gerrit-PatchSet: 1
Gerrit-Owner: Subrata Banik <subrata.banik(a)intel.com>
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Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/25627
Change subject: soc/intel/common/block/cpu/cpulib: Add function to get cpu_slot based on APIC ID
......................................................................
soc/intel/common/block/cpu/cpulib: Add function to get cpu_slot based on APIC ID
This function make use of mp_get_apic_id() function to
return cpu_slot else retrun -1 on failure.
BRANCH=none
BUG=b:74436746
TEST=Able to get cpu_slot based on running APs
Change-Id: Ib9172a4938f25998755593524122b787e9b00294
Signed-off-by: Subrata Banik <subrata.banik(a)intel.com>
---
M src/soc/intel/common/block/cpu/cpulib.c
M src/soc/intel/common/block/include/intelblocks/cpulib.h
2 files changed, 20 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/27/25627/1
diff --git a/src/soc/intel/common/block/cpu/cpulib.c b/src/soc/intel/common/block/cpu/cpulib.c
index ed1ba0f..b435e73 100644
--- a/src/soc/intel/common/block/cpu/cpulib.c
+++ b/src/soc/intel/common/block/cpu/cpulib.c
@@ -18,6 +18,8 @@
#include <arch/io.h>
#include <console/console.h>
#include <cpu/intel/turbo.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/mp.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
#include <delay.h>
@@ -334,3 +336,17 @@
msr.hi = pat >> 32;
wrmsr(MSR_IA32_PAT, msr);
}
+
+/* Get the working processor number by APIC ID */
+int cpu_get_processor_number(uint32_t *cpu_slot)
+{
+ int i;
+
+ for (i = 0; i < CONFIG_MAX_CPUS; i++) {
+ if (mp_get_apic_id(i) == lapicid()) {
+ *cpu_slot = i;
+ return 0;
+ }
+ }
+ return -1;
+}
diff --git a/src/soc/intel/common/block/include/intelblocks/cpulib.h b/src/soc/intel/common/block/include/intelblocks/cpulib.h
index 0c7f2c4..37bcb59 100644
--- a/src/soc/intel/common/block/include/intelblocks/cpulib.h
+++ b/src/soc/intel/common/block/include/intelblocks/cpulib.h
@@ -164,4 +164,8 @@
/* Set PAT MSR */
void set_pat(uint64_t pat);
+
+/* Get the working processor number by APIC ID */
+int cpu_get_processor_number(uint32_t *cpu_slot);
+
#endif /* SOC_INTEL_COMMON_BLOCK_CPULIB_H */
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Gerrit-Project: coreboot
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Gerrit-Change-Id: Ib9172a4938f25998755593524122b787e9b00294
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Gerrit-Owner: Subrata Banik <subrata.banik(a)intel.com>