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hw/intc/loongarch_ipi: Use alternative implemation for cpu_by_arch_id

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There is arch_id and CPUState pointer in IPICore object. With function
cpu_by_arch_id() it can be implemented by parsing IPICore array inside,
rather than possible_cpus array.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
This commit is contained in:
Bibo Mao 2025-01-07 11:08:19 +08:00
parent 999b112d90
commit bb81f23740
1 changed files with 11 additions and 25 deletions
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36
hw/intc/loongarch_ipi.c
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@ -17,43 +17,29 @@ static AddressSpace *get_iocsr_as(CPUState *cpu)
return LOONGARCH_CPU(cpu)->env.address_space_iocsr; return LOONGARCH_CPU(cpu)->env.address_space_iocsr;
} }
static int archid_cmp(const void *a, const void *b) static int loongarch_ipi_cmp(const void *a, const void *b)
{ {
CPUArchId *archid_a = (CPUArchId *)a; IPICore *ipi_a = (IPICore *)a;
CPUArchId *archid_b = (CPUArchId *)b; IPICore *ipi_b = (IPICore *)b;
return archid_a->arch_id - archid_b->arch_id; return ipi_a->arch_id - ipi_b->arch_id;
}
static CPUArchId *find_cpu_by_archid(MachineState *ms, uint32_t id)
{
CPUArchId apic_id, *found_cpu;
apic_id.arch_id = id;
found_cpu = bsearch(&apic_id, ms->possible_cpus->cpus,
ms->possible_cpus->len,
sizeof(*ms->possible_cpus->cpus),
archid_cmp);
return found_cpu;
} }
static int loongarch_cpu_by_arch_id(LoongsonIPICommonState *lics, static int loongarch_cpu_by_arch_id(LoongsonIPICommonState *lics,
int64_t arch_id, int *index, CPUState **pcs) int64_t arch_id, int *index, CPUState **pcs)
{ {
MachineState *machine = MACHINE(qdev_get_machine()); IPICore ipi, *found;
CPUArchId *archid;
CPUState *cs;
archid = find_cpu_by_archid(machine, arch_id); ipi.arch_id = arch_id;
if (archid && archid->cpu) { found = bsearch(&ipi, lics->cpu, lics->num_cpu, sizeof(IPICore),
cs = archid->cpu; loongarch_ipi_cmp);
if (found && found->cpu) {
if (index) { if (index) {
*index = cs->cpu_index; *index = found - lics->cpu;
} }
if (pcs) { if (pcs) {
*pcs = cs; *pcs = found->cpu;
} }
return MEMTX_OK; return MEMTX_OK;