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syscall: task: implement thread_self

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This commit is contained in:
max 🍓
2026-03-22 19:02:31 +00:00
parent 86f6c81781
commit 110f625f04
6 changed files with 84 additions and 48 deletions
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1
include/kernel/syscall.h
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@@ -67,6 +67,7 @@ extern kern_status_t sys_task_config_set(
const void *ptr, const void *ptr,
size_t len); size_t len);
extern kern_status_t sys_thread_self(kern_handle_t *out);
extern kern_status_t sys_thread_start(kern_handle_t thread); extern kern_status_t sys_thread_start(kern_handle_t thread);
extern kern_status_t sys_thread_exit(void); extern kern_status_t sys_thread_exit(void);
extern kern_status_t sys_thread_config_get( extern kern_status_t sys_thread_config_get(

3
libmango/arch/x86_64/syscall.S
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@@ -56,13 +56,14 @@
.endm .endm
SYSCALL_GATE task_exit SYS_TASK_EXIT 1 SYSCALL_GATE task_exit SYS_TASK_EXIT 1
SYSCALL_GATE task_self SYS_TASK_SELF 0 SYSCALL_GATE task_self SYS_TASK_SELF 1
SYSCALL_GATE task_create SYS_TASK_CREATE 5 SYSCALL_GATE task_create SYS_TASK_CREATE 5
SYSCALL_GATE task_create_thread SYS_TASK_CREATE_THREAD 6 SYSCALL_GATE task_create_thread SYS_TASK_CREATE_THREAD 6
SYSCALL_GATE task_get_address_space SYS_TASK_GET_ADDRESS_SPACE 1 SYSCALL_GATE task_get_address_space SYS_TASK_GET_ADDRESS_SPACE 1
SYSCALL_GATE task_config_get SYS_TASK_CONFIG_GET 4 SYSCALL_GATE task_config_get SYS_TASK_CONFIG_GET 4
SYSCALL_GATE task_config_set SYS_TASK_CONFIG_SET 4 SYSCALL_GATE task_config_set SYS_TASK_CONFIG_SET 4
SYSCALL_GATE thread_self SYS_THREAD_SELF 1
SYSCALL_GATE thread_start SYS_THREAD_START 1 SYSCALL_GATE thread_start SYS_THREAD_START 1
SYSCALL_GATE thread_exit SYS_THREAD_EXIT 0 SYSCALL_GATE thread_exit SYS_THREAD_EXIT 0
SYSCALL_GATE thread_config_get SYS_THREAD_CONFIG_GET 4 SYSCALL_GATE thread_config_get SYS_THREAD_CONFIG_GET 4

1
libmango/include-user/mango/task.h
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@@ -34,6 +34,7 @@ extern kern_status_t task_config_set(
const void *ptr, const void *ptr,
size_t len); size_t len);
extern kern_status_t thread_self(kern_handle_t *out);
extern kern_status_t thread_start(kern_handle_t thread); extern kern_status_t thread_start(kern_handle_t thread);
extern kern_status_t thread_exit(void); extern kern_status_t thread_exit(void);
extern kern_status_t thread_config_get( extern kern_status_t thread_config_get(

95
libmango/include/mango/syscall.h
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@@ -1,52 +1,53 @@
#ifndef MANGO_SYSCALL_H_ #ifndef MANGO_SYSCALL_H_
#define MANGO_SYSCALL_H_ #define MANGO_SYSCALL_H_
#define SYS_KERN_LOG 0x00u #define SYS_KERN_LOG 1
#define SYS_KERN_HANDLE_CLOSE 0x01u #define SYS_KERN_HANDLE_CLOSE 2
#define SYS_KERN_HANDLE_DUPLICATE 0x02u #define SYS_KERN_HANDLE_DUPLICATE 3
#define SYS_KERN_CONFIG_GET 0x03u #define SYS_KERN_CONFIG_GET 4
#define SYS_KERN_CONFIG_SET 0x04u #define SYS_KERN_CONFIG_SET 5
#define SYS_KERN_OBJECT_WAIT 0x05u #define SYS_KERN_OBJECT_WAIT 6
#define SYS_KERN_OBJECT_WAIT_ASYNC 0x06u #define SYS_KERN_OBJECT_WAIT_ASYNC 7
#define SYS_TASK_EXIT 0x07u #define SYS_TASK_EXIT 8
#define SYS_TASK_SELF 0x08u #define SYS_TASK_SELF 9
#define SYS_TASK_CREATE 0x09u #define SYS_TASK_CREATE 10
#define SYS_TASK_CREATE_THREAD 0x0Au #define SYS_TASK_CREATE_THREAD 11
#define SYS_TASK_GET_ADDRESS_SPACE 0x0Bu #define SYS_TASK_GET_ADDRESS_SPACE 12
#define SYS_TASK_CONFIG_GET 0x2Au #define SYS_TASK_CONFIG_GET 13
#define SYS_TASK_CONFIG_SET 0x2Bu #define SYS_TASK_CONFIG_SET 14
#define SYS_THREAD_START 0x0Cu #define SYS_THREAD_SELF 15
#define SYS_THREAD_EXIT 0x2Eu #define SYS_THREAD_START 16
#define SYS_THREAD_CONFIG_GET 0x2Cu #define SYS_THREAD_EXIT 17
#define SYS_THREAD_CONFIG_SET 0x2Du #define SYS_THREAD_CONFIG_GET 18
#define SYS_VM_OBJECT_CREATE 0x0Du #define SYS_THREAD_CONFIG_SET 19
#define SYS_VM_OBJECT_READ 0x0Eu #define SYS_VM_OBJECT_CREATE 20
#define SYS_VM_OBJECT_WRITE 0x0Fu #define SYS_VM_OBJECT_READ 21
#define SYS_VM_OBJECT_COPY 0x10u #define SYS_VM_OBJECT_WRITE 22
#define SYS_ADDRESS_SPACE_READ 0x11u #define SYS_VM_OBJECT_COPY 23
#define SYS_ADDRESS_SPACE_WRITE 0x12u #define SYS_ADDRESS_SPACE_READ 24
#define SYS_ADDRESS_SPACE_MAP 0x13u #define SYS_ADDRESS_SPACE_WRITE 25
#define SYS_ADDRESS_SPACE_UNMAP 0x14u #define SYS_ADDRESS_SPACE_MAP 26
#define SYS_ADDRESS_SPACE_RESERVE 0x15u #define SYS_ADDRESS_SPACE_UNMAP 27
#define SYS_ADDRESS_SPACE_RELEASE 0x16u #define SYS_ADDRESS_SPACE_RESERVE 28
#define SYS_MSG_SEND 0x17u #define SYS_ADDRESS_SPACE_RELEASE 29
#define SYS_MSG_RECV 0x18u #define SYS_MSG_SEND 30
#define SYS_MSG_REPLY 0x19u #define SYS_MSG_RECV 31
#define SYS_MSG_READ 0x1Au #define SYS_MSG_REPLY 32
#define SYS_MSG_WRITE 0x1Bu #define SYS_MSG_READ 33
#define SYS_CHANNEL_CREATE 0x1Cu #define SYS_MSG_WRITE 34
#define SYS_PORT_CREATE 0x1Du #define SYS_CHANNEL_CREATE 35
#define SYS_PORT_CONNECT 0x1Eu #define SYS_PORT_CREATE 36
#define SYS_PORT_DISCONNECT 0x1Fu #define SYS_PORT_CONNECT 37
#define SYS_EQUEUE_CREATE 0x20u #define SYS_PORT_DISCONNECT 38
#define SYS_EQUEUE_DEQUEUE 0x21u #define SYS_EQUEUE_CREATE 39
#define SYS_VM_CONTROLLER_CREATE 0x22u #define SYS_EQUEUE_DEQUEUE 40
#define SYS_VM_CONTROLLER_RECV 0x23u #define SYS_VM_CONTROLLER_CREATE 41
#define SYS_VM_CONTROLLER_RECV_ASYNC 0x24u #define SYS_VM_CONTROLLER_RECV 42
#define SYS_VM_CONTROLLER_CREATE_OBJECT 0x25u #define SYS_VM_CONTROLLER_RECV_ASYNC 43
#define SYS_VM_CONTROLLER_DETACH_OBJECT 0x26u #define SYS_VM_CONTROLLER_CREATE_OBJECT 44
#define SYS_VM_CONTROLLER_SUPPLY_PAGES 0x27u #define SYS_VM_CONTROLLER_DETACH_OBJECT 45
#define SYS_FUTEX_WAIT 0x28u #define SYS_VM_CONTROLLER_SUPPLY_PAGES 46
#define SYS_FUTEX_WAKE 0x29u #define SYS_FUTEX_WAIT 47
#define SYS_FUTEX_WAKE 48
#endif #endif

1
syscall/dispatch.c
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@@ -10,6 +10,7 @@ static const virt_addr_t syscall_table[] = {
SYSCALL_TABLE_ENTRY(TASK_CREATE, task_create), SYSCALL_TABLE_ENTRY(TASK_CREATE, task_create),
SYSCALL_TABLE_ENTRY(TASK_CREATE_THREAD, task_create_thread), SYSCALL_TABLE_ENTRY(TASK_CREATE_THREAD, task_create_thread),
SYSCALL_TABLE_ENTRY(TASK_GET_ADDRESS_SPACE, task_get_address_space), SYSCALL_TABLE_ENTRY(TASK_GET_ADDRESS_SPACE, task_get_address_space),
SYSCALL_TABLE_ENTRY(THREAD_SELF, thread_self),
SYSCALL_TABLE_ENTRY(THREAD_START, thread_start), SYSCALL_TABLE_ENTRY(THREAD_START, thread_start),
SYSCALL_TABLE_ENTRY(THREAD_EXIT, thread_exit), SYSCALL_TABLE_ENTRY(THREAD_EXIT, thread_exit),
SYSCALL_TABLE_ENTRY(THREAD_CONFIG_GET, thread_config_get), SYSCALL_TABLE_ENTRY(THREAD_CONFIG_GET, thread_config_get),

31
syscall/task.c
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@@ -262,6 +262,37 @@ kern_status_t sys_task_get_address_space(
return KERN_OK; return KERN_OK;
} }
kern_status_t sys_thread_self(kern_handle_t *out)
{
struct task *self = current_task();
if (!validate_access_w(self, out, sizeof *out)) {
return KERN_MEMORY_FAULT;
}
struct thread *self_thread = current_thread();
unsigned long flags;
task_lock_irqsave(self, &flags);
struct handle *handle_slot = NULL;
kern_handle_t handle;
kern_status_t status = handle_table_alloc_handle(
self->t_handles,
&handle_slot,
&handle);
task_unlock_irqrestore(self, flags);
if (status != KERN_OK) {
return status;
}
object_add_handle(&self_thread->tr_base);
handle_slot->h_object = &self_thread->tr_base;
*out = handle;
return KERN_OK;
}
kern_status_t sys_thread_start(kern_handle_t thread_handle) kern_status_t sys_thread_start(kern_handle_t thread_handle)
{ {
unsigned long flags; unsigned long flags;