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dm: acpi: retrieve physical APIC IDs and use them to fill in the ACPI MADT table

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Two utility functions are copied and adapted from hyerpervisor:
ffs64
bitmap_clear_nolock

Two public functions are provided for future use (such as for RTCTv2)
pcpuid_from_vcpuid
lapicid_from_pcpuid

Tracked-On: #6020
Reviewed-by: Wang, Yu1 <yu1.wang@intel.com>
Signed-off-by: dongshen <dongsheng.x.zhang@intel.com>
This commit is contained in:
dongshen
2021-05-19 17:41:16 -07:00
committed by wenlingz
parent 6680208ed9
commit 818c821d04
4 changed files with 111 additions and 2 deletions
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2
devicemodel/core/vmmapi.c
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@@ -753,6 +753,8 @@ vm_get_config(struct vmctx *ctx, struct acrn_vm_config *vm_cfg, struct platform_
memcpy((void *)vm_cfg, (void *)pcfg, sizeof(struct acrn_vm_config));
if (plat_info != NULL) {
memcpy((void *)plat_info, (void *)&platform_info, sizeof(struct platform_info));
pr_info("%s, l2_cat_shift=%u, l3_cat_shift=%u\n",
__func__, platform_info.l2_cat_shift, platform_info.l3_cat_shift);
}
exit: