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让syscall日志仅支持串口输出

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Leonmmcoset
2026-04-13 22:41:19 +08:00
parent d1d514c16a
commit 7e7271cd11
1 changed files with 20 additions and 5 deletions
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25
clks/kernel/syscall.c
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@@ -5,6 +5,7 @@
#include <clks/kelf.h>
#include <clks/keyboard.h>
#include <clks/log.h>
#include <clks/serial.h>
#include <clks/scheduler.h>
#include <clks/service.h>
#include <clks/string.h>
@@ -378,6 +379,16 @@ static u64 clks_syscall_log_journal_read(u64 arg0, u64 arg1, u64 arg2) {
return 1ULL;
}
static void clks_syscall_serial_write_hex64(u64 value) {
i32 nibble;
for (nibble = 15; nibble >= 0; nibble--) {
u64 current = (value >> (u64)(nibble * 4)) & 0x0FULL;
char ch = (current < 10ULL) ? (char)('0' + current) : (char)('A' + (current - 10ULL));
clks_serial_write_char(ch);
}
}
static void clks_syscall_trace_user_program(u64 id) {
clks_bool user_program_running =
(clks_exec_is_running() == CLKS_TRUE && clks_exec_current_path_is_user() == CLKS_TRUE)
@@ -386,7 +397,7 @@ static void clks_syscall_trace_user_program(u64 id) {
if (user_program_running == CLKS_FALSE) {
if (clks_syscall_user_trace_active == CLKS_TRUE) {
clks_log(CLKS_LOG_DEBUG, "SYSCALL", "USER_TRACE_END");
clks_serial_write("[DEBUG][SYSCALL] USER_TRACE_END\n");
}
clks_syscall_user_trace_active = CLKS_FALSE;
@@ -397,16 +408,20 @@ static void clks_syscall_trace_user_program(u64 id) {
if (clks_syscall_user_trace_active == CLKS_FALSE) {
clks_syscall_user_trace_active = CLKS_TRUE;
clks_syscall_user_trace_budget = CLKS_SYSCALL_USER_TRACE_BUDGET;
clks_log(CLKS_LOG_DEBUG, "SYSCALL", "USER_TRACE_BEGIN");
clks_log_hex(CLKS_LOG_DEBUG, "SYSCALL", "PID", clks_exec_current_pid());
clks_serial_write("[DEBUG][SYSCALL] USER_TRACE_BEGIN\n");
clks_serial_write("[DEBUG][SYSCALL] PID: 0X");
clks_syscall_serial_write_hex64(clks_exec_current_pid());
clks_serial_write("\n");
}
if (clks_syscall_user_trace_budget > 0ULL) {
clks_log_hex(CLKS_LOG_DEBUG, "SYSCALL", "USER_ID", id);
clks_serial_write("[DEBUG][SYSCALL] USER_ID: 0X");
clks_syscall_serial_write_hex64(id);
clks_serial_write("\n");
clks_syscall_user_trace_budget--;
if (clks_syscall_user_trace_budget == 0ULL) {
clks_log(CLKS_LOG_DEBUG, "SYSCALL", "USER_TRACE_BUDGET_EXHAUSTED");
clks_serial_write("[DEBUG][SYSCALL] USER_TRACE_BUDGET_EXHAUSTED\n");
}
}
}