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new: 为ipi添加xapic支持

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This commit is contained in:
fslongjin
2022-09-01 17:40:11 +08:00
parent 588603a10a
commit dffa51b1ef
7 changed files with 140 additions and 179 deletions
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2
kernel/smp/ipi.h
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@ -21,7 +21,7 @@
* @param destination 投递目标
*/
extern void ipi_send_IPI(uint32_t dest_mode, uint32_t deliver_status, uint32_t level, uint32_t trigger,
uint32_t vector, uint32_t deliver_mode, uint32_t dest_shorthand, bool apic_type, uint32_t destination);
uint32_t vector, uint32_t deliver_mode, uint32_t dest_shorthand, uint32_t destination);
/**
* @brief ipi中断处理注册函数

12
kernel/smp/smp.c
View File

@ -13,7 +13,7 @@
void ipi_0xc8_handler(uint64_t irq_num, uint64_t param, struct pt_regs *regs); // 由BSP转发的HPET中断处理函数
static spinlock_t multi_core_starting_lock; // 多核启动锁
static spinlock_t multi_core_starting_lock={1}; // 多核启动锁
static struct acpi_Processor_Local_APIC_Structure_t *proc_local_apic_structs[MAX_SUPPORTED_PROCESSOR_NUM];
static uint32_t total_processor_num = 0;
@ -43,14 +43,16 @@ void smp_init()
for (int i = 200; i < 210; ++i)
set_intr_gate(i, 0, SMP_interrupt_table[i - 200]);
memset((void *)SMP_IPI_desc, 0, sizeof(irq_desc_t) * SMP_IRQ_NUM);
io_mfence();
// 注册接收bsp处理器的hpet中断转发的处理函数
ipi_regiserIPI(0xc8, NULL, &ipi_0xc8_handler, NULL, NULL, "IPI 0xc8");
io_mfence();
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x00, ICR_INIT, ICR_ALL_EXCLUDE_Self, true, 0x00);
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x00, ICR_INIT, ICR_ALL_EXCLUDE_Self, 0x00);
kdebug("total_processor_num=%d", total_processor_num);
// total_processor_num = 3;
for (int i = 1; i < total_processor_num; ++i) // i从1开始，不初始化bsp
{
io_mfence();
@ -90,9 +92,9 @@ void smp_init()
cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start);
io_mfence();
// 连续发送两次start-up IPI
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x20, ICR_Start_up, ICR_No_Shorthand, true, proc_local_apic_structs[i]->local_apic_id);
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x20, ICR_Start_up, ICR_No_Shorthand, proc_local_apic_structs[i]->local_apic_id);
io_mfence();
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x20, ICR_Start_up, ICR_No_Shorthand, true, proc_local_apic_structs[i]->local_apic_id);
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x20, ICR_Start_up, ICR_No_Shorthand, proc_local_apic_structs[i]->local_apic_id);
}
io_mfence();
while (num_cpu_started != total_processor_num)