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scheduler: continue work

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Matheus
2025-08-23 13:54:45 -03:00
parent 1787658989
commit 7a890ac41d
13 changed files with 197 additions and 33 deletions
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kernel-src/arch/x86-64/cpu.c
+12 -3
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@@ -220,11 +220,20 @@ void arch_cpu_init() {
// insert it into the topology tree
topology_node_t *topology_nodes[topology_depth];
for (int i = 0; i < topology_depth; ++i) {
topology_nodes[i] = topology_create_node();
__assert(topology_nodes[i]);
int id = TOPOLOGY_MAKE_ID(topology_types[i], topology_ids[i]);
topology_node_t *parent = i == 0 ? topology_get_root() : topology_nodes[i - 1];
topology_insert(topology_nodes[i], i == 0 ? topology_get_root() : topology_nodes[i - 1], TOPOLOGY_MAKE_ID(topology_types[i], topology_ids[i]), current_cpu());
topology_nodes[i] = topology_find_child_by_id(parent, id);
if (topology_nodes[i] == NULL) {
topology_nodes[i] = topology_create_node();
__assert(topology_nodes[i]);
topology_insert(topology_nodes[i], i == 0 ? topology_get_root() : topology_nodes[i - 1],
TOPOLOGY_MAKE_ID(topology_types[i], topology_ids[i]), (i == topology_depth - 1) ? current_cpu() : NULL);
}
}
current_cpu()->topology_node = topology_nodes[topology_depth - 1];
}
INIT_ROUTINE_DEFINE(cpu, INIT_ROUTINE_FLAGS_NONE, arch_cpu_init, acpi_early);
kernel-src/arch/x86-64/mmu.c
+3 -3
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@@ -210,7 +210,7 @@ static int shootdown_remaining = 0;
static inline void do_invalidate(void *page, size_t size) {
// if a full reload was requested or we are doing a big release on
if (page == NULL || size >= 128 * PAGE_SIZE) {
if (page == NULL || size >= 32 * PAGE_SIZE) {
// TODO if global pages are ever supported, we should disable them in CR4, flush, and then reenable them
asm volatile("mov %%cr3, %%rax; mov %%rax, %%cr3;" : : : "rax", "memory");
} else {
@@ -251,7 +251,7 @@ void arch_mmu_invalidate_range(void *page, size_t size) {
if (smp_cpus[i] == current_cpu())
continue;
arch_smp_sendipi(smp_cpus[i], &smp_cpus[i]->isr[0xfe], ARCH_SMP_IPI_TARGET, false);
arch_smp_send_ipi(smp_cpus[i], &smp_cpus[i]->isr[0xfe], ARCH_SMP_IPI_TARGET, false);
}
}
@@ -326,7 +326,7 @@ static void pfisr(isr_t *self, context_t *ctx) {
static void gpfisr(isr_t *self, context_t *ctx) {
thread_t *thread = current_thread();
if (thread->usercopyctx) {
if (thread && thread->usercopyctx) {
memcpy(ctx, thread->usercopyctx, sizeof(context_t));
thread->usercopyctx = NULL;
CTX_RET(ctx) = EFAULT;
kernel-src/arch/x86-64/smp.c
+2 -2
View File
@@ -49,12 +49,12 @@ static void cpuwakeup(struct limine_smp_info *info) {
sched_ap_entry();
}
void arch_smp_sendipi(cpu_t *targcpu, isr_t *isr, int target, bool nmi) {
void arch_smp_send_ipi(cpu_t *targcpu, isr_t *isr, int target, bool nmi) {
arch_apic_sendipi(targcpu ? targcpu->hardware_id : 0, INTERRUPT_IDTOVECTOR(isr->id), target, nmi ? APIC_MODE_NMI : 0, 0);
}
void arch_smp_haltallothers(void) {
arch_smp_sendipi(NULL, &current_cpu()->isr[0xfd], ARCH_SMP_IPI_OTHERCPUS, true);
arch_smp_send_ipi(NULL, &current_cpu()->isr[0xfd], ARCH_SMP_IPI_OTHERCPUS, true);
}
size_t arch_smp_get_cpu_count(void) {