LeonMMcoset/cleonos
1
0
Fork 0
mirror of https://github.com/Leonmmcoset/cleonos.git synced 2026-04-21 18:44:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

ABI

Browse Source
This commit is contained in:
Leonmmcoset
2026-04-16 22:29:08 +08:00
parent 2d843a100e
commit 589a83cb07
29 changed files with 1397 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

384
clks/kernel/exec.c
View File

@@ -16,6 +16,12 @@ typedef u64 (*clks_exec_entry_fn)(void);
#define CLKS_EXEC_MAX_PROCS 64U
#define CLKS_EXEC_MAX_DEPTH 16U
#define CLKS_EXEC_PATH_MAX 192U
#define CLKS_EXEC_ARG_LINE_MAX 256U
#define CLKS_EXEC_ENV_LINE_MAX 512U
#define CLKS_EXEC_MAX_ARGS 24U
#define CLKS_EXEC_MAX_ENVS 24U
#define CLKS_EXEC_ITEM_MAX 128U
#define CLKS_EXEC_STATUS_SIGNAL_FLAG (1ULL << 63)
enum clks_exec_proc_state {
CLKS_EXEC_PROC_UNUSED = 0,
@@ -34,10 +40,21 @@ struct clks_exec_proc_record {
u64 exit_status;
u32 tty_index;
char path[CLKS_EXEC_PATH_MAX];
char argv_line[CLKS_EXEC_ARG_LINE_MAX];
char env_line[CLKS_EXEC_ENV_LINE_MAX];
u32 argc;
u32 envc;
char argv_items[CLKS_EXEC_MAX_ARGS][CLKS_EXEC_ITEM_MAX];
char env_items[CLKS_EXEC_MAX_ENVS][CLKS_EXEC_ITEM_MAX];
u64 last_signal;
u64 last_fault_vector;
u64 last_fault_error;
u64 last_fault_rip;
};
#if defined(CLKS_ARCH_X86_64)
extern u64 clks_exec_call_on_stack_x86_64(void *entry_ptr, void *stack_top);
extern void clks_exec_abort_to_caller_x86_64(void);
#endif
static u64 clks_exec_requests = 0ULL;
@@ -50,6 +67,8 @@ static u64 clks_exec_next_pid = 1ULL;
static u64 clks_exec_pid_stack[CLKS_EXEC_MAX_DEPTH];
static clks_bool clks_exec_exit_requested_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_exit_status_stack[CLKS_EXEC_MAX_DEPTH];
static u64 clks_exec_unwind_slot_stack[CLKS_EXEC_MAX_DEPTH];
static clks_bool clks_exec_unwind_slot_valid_stack[CLKS_EXEC_MAX_DEPTH];
static u32 clks_exec_pid_stack_depth = 0U;
static void clks_exec_serial_write_hex64(u64 value) {
@@ -163,6 +182,155 @@ static void clks_exec_copy_path(char *dst, usize dst_size, const char *src) {
dst[i] = '\0';
}
static void clks_exec_copy_line(char *dst, usize dst_size, const char *src) {
usize i = 0U;
if (dst == CLKS_NULL || dst_size == 0U) {
return;
}
if (src == CLKS_NULL) {
dst[0] = '\0';
return;
}
while (src[i] != '\0' && i + 1U < dst_size) {
dst[i] = src[i];
i++;
}
dst[i] = '\0';
}
static void clks_exec_clear_items(char items[][CLKS_EXEC_ITEM_MAX], u32 max_count) {
u32 i;
for (i = 0U; i < max_count; i++) {
items[i][0] = '\0';
}
}
static u32 clks_exec_parse_whitespace_items(const char *line,
char items[][CLKS_EXEC_ITEM_MAX],
u32 max_count) {
u32 count = 0U;
usize i = 0U;
if (line == CLKS_NULL || items == CLKS_NULL || max_count == 0U) {
return 0U;
}
while (line[i] != '\0') {
usize p = 0U;
while (line[i] == ' ' || line[i] == '\t' || line[i] == '\r' || line[i] == '\n') {
i++;
}
if (line[i] == '\0') {
break;
}
if (count >= max_count) {
break;
}
while (line[i] != '\0' &&
line[i] != ' ' &&
line[i] != '\t' &&
line[i] != '\r' &&
line[i] != '\n') {
if (p + 1U < CLKS_EXEC_ITEM_MAX) {
items[count][p++] = line[i];
}
i++;
}
items[count][p] = '\0';
count++;
}
return count;
}
static u32 clks_exec_parse_env_items(const char *line,
char items[][CLKS_EXEC_ITEM_MAX],
u32 max_count) {
u32 count = 0U;
usize i = 0U;
if (line == CLKS_NULL || items == CLKS_NULL || max_count == 0U) {
return 0U;
}
while (line[i] != '\0') {
usize p = 0U;
usize end_trim = 0U;
while (line[i] == ' ' || line[i] == '\t' || line[i] == ';' || line[i] == '\r' || line[i] == '\n') {
i++;
}
if (line[i] == '\0') {
break;
}
if (count >= max_count) {
break;
}
while (line[i] != '\0' && line[i] != ';' && line[i] != '\r' && line[i] != '\n') {
if (p + 1U < CLKS_EXEC_ITEM_MAX) {
items[count][p++] = line[i];
}
i++;
}
while (p > 0U && (items[count][p - 1U] == ' ' || items[count][p - 1U] == '\t')) {
p--;
}
end_trim = p;
items[count][end_trim] = '\0';
if (end_trim > 0U) {
count++;
}
}
return count;
}
static u64 clks_exec_signal_from_vector(u64 vector) {
switch (vector) {
case 0ULL:
case 16ULL:
case 19ULL:
return 8ULL;
case 6ULL:
return 4ULL;
case 3ULL:
return 5ULL;
case 14ULL:
case 13ULL:
case 12ULL:
case 11ULL:
case 10ULL:
case 17ULL:
return 11ULL;
default:
return 6ULL;
}
}
static u64 clks_exec_encode_signal_status(u64 signal, u64 vector, u64 error_code) {
return CLKS_EXEC_STATUS_SIGNAL_FLAG |
(signal & 0xFFULL) |
((vector & 0xFFULL) << 8) |
((error_code & 0xFFFFULL) << 16);
}
static i32 clks_exec_proc_find_slot_by_pid(u64 pid) {
u32 i;
@@ -225,6 +393,8 @@ static u64 clks_exec_alloc_pid(void) {
static struct clks_exec_proc_record *clks_exec_prepare_proc_record(i32 slot,
u64 pid,
const char *path,
const char *argv_line,
const char *env_line,
enum clks_exec_proc_state state) {
struct clks_exec_proc_record *proc;
@@ -244,10 +414,36 @@ static struct clks_exec_proc_record *clks_exec_prepare_proc_record(i32 slot,
proc->exit_status = (u64)-1;
proc->tty_index = clks_tty_active();
clks_exec_copy_path(proc->path, sizeof(proc->path), path);
clks_exec_copy_line(proc->argv_line, sizeof(proc->argv_line), argv_line);
clks_exec_copy_line(proc->env_line, sizeof(proc->env_line), env_line);
clks_exec_clear_items(proc->argv_items, CLKS_EXEC_MAX_ARGS);
clks_exec_clear_items(proc->env_items, CLKS_EXEC_MAX_ENVS);
proc->argc = 0U;
proc->envc = 0U;
proc->last_signal = 0ULL;
proc->last_fault_vector = 0ULL;
proc->last_fault_error = 0ULL;
proc->last_fault_rip = 0ULL;
if (proc->argc < CLKS_EXEC_MAX_ARGS) {
clks_exec_copy_path(proc->argv_items[proc->argc], CLKS_EXEC_ITEM_MAX, path);
proc->argc++;
}
if (proc->argv_line[0] != '\0' && proc->argc < CLKS_EXEC_MAX_ARGS) {
proc->argc += clks_exec_parse_whitespace_items(proc->argv_line,
&proc->argv_items[proc->argc],
(u32)(CLKS_EXEC_MAX_ARGS - proc->argc));
}
if (proc->env_line[0] != '\0') {
proc->envc = clks_exec_parse_env_items(proc->env_line, proc->env_items, CLKS_EXEC_MAX_ENVS);
}
return proc;
}
static clks_bool clks_exec_invoke_entry(void *entry_ptr, u64 *out_ret) {
static clks_bool clks_exec_invoke_entry(void *entry_ptr, u32 depth_index, u64 *out_ret) {
if (entry_ptr == CLKS_NULL || out_ret == CLKS_NULL) {
return CLKS_FALSE;
}
@@ -256,6 +452,7 @@ static clks_bool clks_exec_invoke_entry(void *entry_ptr, u64 *out_ret) {
{
void *stack_base = clks_kmalloc((usize)CLKS_EXEC_RUN_STACK_BYTES);
void *stack_top;
u64 unwind_slot;
if (stack_base == CLKS_NULL) {
clks_log(CLKS_LOG_WARN, "EXEC", "RUN STACK ALLOC FAILED");
@@ -263,11 +460,17 @@ static clks_bool clks_exec_invoke_entry(void *entry_ptr, u64 *out_ret) {
}
stack_top = (void *)((u8 *)stack_base + (usize)CLKS_EXEC_RUN_STACK_BYTES);
unwind_slot = (((u64)stack_top) & ~0xFULL) - 8ULL;
clks_exec_unwind_slot_stack[depth_index] = unwind_slot;
clks_exec_unwind_slot_valid_stack[depth_index] = CLKS_TRUE;
*out_ret = clks_exec_call_on_stack_x86_64(entry_ptr, stack_top);
clks_exec_unwind_slot_valid_stack[depth_index] = CLKS_FALSE;
clks_exec_unwind_slot_stack[depth_index] = 0ULL;
clks_kfree(stack_base);
return CLKS_TRUE;
}
#else
(void)depth_index;
*out_ret = ((clks_exec_entry_fn)entry_ptr)();
return CLKS_TRUE;
#endif
@@ -364,7 +567,7 @@ static clks_bool clks_exec_run_proc_slot(i32 slot, u64 *out_status) {
clks_exec_running_depth++;
depth_counted = CLKS_TRUE;
if (clks_exec_invoke_entry(entry_ptr, &run_ret) == CLKS_FALSE) {
if (clks_exec_invoke_entry(entry_ptr, (u32)depth_index, &run_ret) == CLKS_FALSE) {
clks_log(CLKS_LOG_WARN, "EXEC", "EXEC RUN INVOKE FAILED");
clks_log(CLKS_LOG_WARN, "EXEC", proc->path);
goto fail;
@@ -450,7 +653,11 @@ static clks_bool clks_exec_dispatch_pending_once(void) {
return CLKS_FALSE;
}
static clks_bool clks_exec_run_path_internal(const char *path, u64 *out_status, u64 *out_pid) {
static clks_bool clks_exec_run_path_internal(const char *path,
const char *argv_line,
const char *env_line,
u64 *out_status,
u64 *out_pid) {
i32 slot;
u64 pid;
struct clks_exec_proc_record *proc;
@@ -479,7 +686,7 @@ static clks_bool clks_exec_run_path_internal(const char *path, u64 *out_status,
}
pid = clks_exec_alloc_pid();
proc = clks_exec_prepare_proc_record(slot, pid, path, CLKS_EXEC_PROC_RUNNING);
proc = clks_exec_prepare_proc_record(slot, pid, path, argv_line, env_line, CLKS_EXEC_PROC_RUNNING);
if (proc == CLKS_NULL) {
return CLKS_FALSE;
@@ -510,15 +717,21 @@ void clks_exec_init(void) {
clks_memset(clks_exec_pid_stack, 0, sizeof(clks_exec_pid_stack));
clks_memset(clks_exec_exit_requested_stack, 0, sizeof(clks_exec_exit_requested_stack));
clks_memset(clks_exec_exit_status_stack, 0, sizeof(clks_exec_exit_status_stack));
clks_memset(clks_exec_unwind_slot_stack, 0, sizeof(clks_exec_unwind_slot_stack));
clks_memset(clks_exec_unwind_slot_valid_stack, 0, sizeof(clks_exec_unwind_slot_valid_stack));
clks_memset(clks_exec_proc_table, 0, sizeof(clks_exec_proc_table));
clks_exec_log_info_serial("PATH EXEC FRAMEWORK ONLINE");
}
clks_bool clks_exec_run_path(const char *path, u64 *out_status) {
return clks_exec_run_path_internal(path, out_status, CLKS_NULL);
return clks_exec_run_path_internal(path, CLKS_NULL, CLKS_NULL, out_status, CLKS_NULL);
}
clks_bool clks_exec_spawn_path(const char *path, u64 *out_pid) {
clks_bool clks_exec_run_pathv(const char *path, const char *argv_line, const char *env_line, u64 *out_status) {
return clks_exec_run_path_internal(path, argv_line, env_line, out_status, CLKS_NULL);
}
clks_bool clks_exec_spawn_pathv(const char *path, const char *argv_line, const char *env_line, u64 *out_pid) {
i32 slot;
u64 pid;
struct clks_exec_proc_record *proc;
@@ -542,7 +755,7 @@ clks_bool clks_exec_spawn_path(const char *path, u64 *out_pid) {
}
pid = clks_exec_alloc_pid();
proc = clks_exec_prepare_proc_record(slot, pid, path, CLKS_EXEC_PROC_PENDING);
proc = clks_exec_prepare_proc_record(slot, pid, path, argv_line, env_line, CLKS_EXEC_PROC_PENDING);
if (proc == CLKS_NULL) {
return CLKS_FALSE;
@@ -559,6 +772,10 @@ clks_bool clks_exec_spawn_path(const char *path, u64 *out_pid) {
return CLKS_TRUE;
}
clks_bool clks_exec_spawn_path(const char *path, u64 *out_pid) {
return clks_exec_spawn_pathv(path, CLKS_NULL, CLKS_NULL, out_pid);
}
u64 clks_exec_wait_pid(u64 pid, u64 *out_status) {
i32 slot;
struct clks_exec_proc_record *proc;
@@ -650,6 +867,159 @@ u32 clks_exec_current_tty(void) {
return proc->tty_index;
}
static struct clks_exec_proc_record *clks_exec_current_proc(void) {
i32 depth_index = clks_exec_current_depth_index();
i32 slot;
if (depth_index < 0) {
return CLKS_NULL;
}
slot = clks_exec_proc_find_slot_by_pid(clks_exec_pid_stack[(u32)depth_index]);
if (slot < 0) {
return CLKS_NULL;
}
if (clks_exec_proc_table[(u32)slot].used == CLKS_FALSE) {
return CLKS_NULL;
}
return &clks_exec_proc_table[(u32)slot];
}
u64 clks_exec_current_argc(void) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
if (proc == CLKS_NULL) {
return 0ULL;
}
return (u64)proc->argc;
}
clks_bool clks_exec_copy_current_argv(u64 index, char *out_value, usize out_size) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
if (proc == CLKS_NULL || out_value == CLKS_NULL || out_size == 0U) {
return CLKS_FALSE;
}
if (index >= (u64)proc->argc || index >= CLKS_EXEC_MAX_ARGS) {
return CLKS_FALSE;
}
clks_exec_copy_line(out_value, out_size, proc->argv_items[(u32)index]);
return CLKS_TRUE;
}
u64 clks_exec_current_envc(void) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
if (proc == CLKS_NULL) {
return 0ULL;
}
return (u64)proc->envc;
}
clks_bool clks_exec_copy_current_env(u64 index, char *out_value, usize out_size) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
if (proc == CLKS_NULL || out_value == CLKS_NULL || out_size == 0U) {
return CLKS_FALSE;
}
if (index >= (u64)proc->envc || index >= CLKS_EXEC_MAX_ENVS) {
return CLKS_FALSE;
}
clks_exec_copy_line(out_value, out_size, proc->env_items[(u32)index]);
return CLKS_TRUE;
}
u64 clks_exec_current_signal(void) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
return (proc != CLKS_NULL) ? proc->last_signal : 0ULL;
}
u64 clks_exec_current_fault_vector(void) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
return (proc != CLKS_NULL) ? proc->last_fault_vector : 0ULL;
}
u64 clks_exec_current_fault_error(void) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
return (proc != CLKS_NULL) ? proc->last_fault_error : 0ULL;
}
u64 clks_exec_current_fault_rip(void) {
const struct clks_exec_proc_record *proc = clks_exec_current_proc();
return (proc != CLKS_NULL) ? proc->last_fault_rip : 0ULL;
}
clks_bool clks_exec_handle_exception(u64 vector,
u64 error_code,
u64 rip,
u64 *io_rip,
u64 *io_rdi,
u64 *io_rsi) {
i32 depth_index;
struct clks_exec_proc_record *proc;
u64 signal;
u64 status;
if (clks_exec_is_running() == CLKS_FALSE || clks_exec_current_path_is_user() == CLKS_FALSE) {
return CLKS_FALSE;
}
depth_index = clks_exec_current_depth_index();
proc = clks_exec_current_proc();
if (depth_index < 0 || proc == CLKS_NULL) {
return CLKS_FALSE;
}
signal = clks_exec_signal_from_vector(vector);
status = clks_exec_encode_signal_status(signal, vector, error_code);
proc->last_signal = signal;
proc->last_fault_vector = vector;
proc->last_fault_error = error_code;
proc->last_fault_rip = rip;
clks_exec_exit_requested_stack[(u32)depth_index] = CLKS_TRUE;
clks_exec_exit_status_stack[(u32)depth_index] = status;
clks_exec_log_info_serial("USER EXCEPTION CAPTURED");
clks_exec_log_info_serial(proc->path);
clks_exec_log_hex_serial("PID", proc->pid);
clks_exec_log_hex_serial("SIGNAL", signal);
clks_exec_log_hex_serial("VECTOR", vector);
clks_exec_log_hex_serial("ERROR", error_code);
clks_exec_log_hex_serial("RIP", rip);
#if defined(CLKS_ARCH_X86_64)
if (io_rip == CLKS_NULL || io_rdi == CLKS_NULL || io_rsi == CLKS_NULL) {
return CLKS_FALSE;
}
if (clks_exec_unwind_slot_valid_stack[(u32)depth_index] == CLKS_FALSE) {
return CLKS_FALSE;
}
*io_rip = (u64)clks_exec_abort_to_caller_x86_64;
*io_rdi = clks_exec_unwind_slot_stack[(u32)depth_index];
*io_rsi = status;
return CLKS_TRUE;
#else
(void)io_rip;
(void)io_rdi;
(void)io_rsi;
return CLKS_FALSE;
#endif
}
u64 clks_exec_sleep_ticks(u64 ticks) {
u64 start = clks_interrupts_timer_ticks();