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Make sure that kernel is interrupt disabled.

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This commit is contained in:
TXuian
2024-04-29 10:46:07 +08:00
parent 695dd91201
commit 8d2d7e3e09
7 changed files with 106 additions and 63 deletions
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Ubiquitous/XiZi_AIoT/softkernel/syscall/sys_register_irq.c
+10 -3
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@@ -45,6 +45,7 @@ static struct TaskMicroDescriptor* kernel_irq_proxy;
static struct {
struct TaskMicroDescriptor* handle_task;
struct Session session;
struct session_backend* p_kernel_session;
int opcode;
} irq_forward_table[NR_IRQS];
@@ -53,10 +54,16 @@ static void send_irq_to_user(int irq_num)
struct Session* session = &irq_forward_table[irq_num].session;
int len = IPC_ARG_INFO_BASE_OFFSET;
len += sizeof(struct IpcArgInfo);
/* get message space and add session tail */
/* get message space and add session tail */
void* session_kern_vaddr = P2V(xizi_pager.address_translate(&kernel_irq_proxy->pgdir, (uintptr_t)session->buf));
struct IpcMsg* buf = session_kern_vaddr + session->tail;
/* check if server session is full */
if (buf->header.magic == IPC_MSG_MAGIC && buf->header.done == 0) {
DEBUG("irq server cannot handle new interrupt by now.\n");
return;
}
memset((void*)buf, 0, len);
session->tail = (session->tail + len) % session->capacity;
@@ -86,7 +93,7 @@ int user_irq_handler(int irq, void* tf, void* arg)
return 0;
}
extern int create_session_inner(struct TaskMicroDescriptor* client, struct TaskMicroDescriptor* server, int capacity, struct Session* user_session);
extern struct session_backend* create_session_inner(struct TaskMicroDescriptor* client, struct TaskMicroDescriptor* server, int capacity, struct Session* user_session);
/// @warning no tested.
static struct XiziTrapDriver* p_intr_driver = NULL;
@@ -118,7 +125,7 @@ int sys_register_irq(int irq_num, int irq_opcode)
struct TaskMicroDescriptor* cur_task = cur_cpu()->task;
irq_forward_table[irq_num].handle_task = cur_task;
irq_forward_table[irq_num].opcode = irq_opcode;
create_session_inner(kernel_irq_proxy, cur_task, PAGE_SIZE, &irq_forward_table[irq_num].session);
irq_forward_table[irq_num].p_kernel_session = create_session_inner(kernel_irq_proxy, cur_task, PAGE_SIZE, &irq_forward_table[irq_num].session);
p_intr_driver->bind_irq_handler(irq_num, user_irq_handler);
cur_task->bind_irq = true;