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https://github.com/projectacrn/acrn-hypervisor.git
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a226b5f0ec
Extract common interface to include/lib/bits.h, and invoke the variant implementation of arch. Re-implement unlocked functions as C in common library. Rename bitmap*lock() to bitmap*(), bitmap*nolock() to bitmap*non_atomic(). Tracked-On: #8803 Signed-off-by: Haoyu Tang <haoyu.tang@intel.com> Reviewed-by: Yifan Liu <yifan1.liu@intel.com> Acked-by: Wang, Yu1 <yu1.wang@intel.com>
50 lines
809 B
C
50 lines
809 B
C
/*
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* Copyright (C) 2025 Intel Corporation.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <cpu.h>
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#include <bits.h>
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static volatile uint64_t pcpu_active_bitmap = 0UL;
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/*
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* @post return <= MAX_PCPU_NUM
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*/
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uint16_t get_pcpu_nums(void)
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{
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return arch_get_pcpu_num();
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}
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bool is_pcpu_active(uint16_t pcpu_id)
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{
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return bitmap_test(pcpu_id, &pcpu_active_bitmap);
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}
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void set_pcpu_active(uint16_t pcpu_id)
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{
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bitmap_set(pcpu_id, &pcpu_active_bitmap);
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}
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void clear_pcpu_active(uint16_t pcpu_id)
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{
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bitmap_clear(pcpu_id, &pcpu_active_bitmap);
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}
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bool check_pcpus_active(uint64_t mask)
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{
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return ((pcpu_active_bitmap & mask) == mask);
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}
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bool check_pcpus_inactive(uint64_t mask)
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{
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return ((pcpu_active_bitmap & mask) != 0UL);
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}
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uint64_t get_active_pcpu_bitmap(void)
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{
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return pcpu_active_bitmap;
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}
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