feat: Add certs, init, io_uring, security, usr, virt subsystems, Nano editor & full LazyBox suite

init/cmdline.c

@@ -0,0 +1,85 @@
+#include <init/init.h>
+#include <init/version.h>
+#include <lib/string.h>
+#include <kernel/printk.h>
+
+static char raw_cmdline[MAX_CMDLINE_LEN] = "root=/dev/sda console=tty1 init=/bin/lazybox quiet";
+static boot_param_t boot_params[MAX_BOOT_ARGS];
+static size_t boot_param_count = 0;
+static runlevel_t current_runlevel = RUNLEVEL_MULTIUSER;
+
+void init_parse_cmdline(const char* cmdline) {
+    if (cmdline && *cmdline) {
+        strncpy(raw_cmdline, cmdline, sizeof(raw_cmdline) - 1);
+    }
+
+    boot_param_count = 0;
+    char buf[MAX_CMDLINE_LEN];
+    strncpy(buf, raw_cmdline, sizeof(buf) - 1);
+    buf[sizeof(buf) - 1] = '\0';
+
+    char* token = buf;
+    while (*token && boot_param_count < MAX_BOOT_ARGS) {
+        while (*token == ' ') token++;
+        if (!*token) break;
+
+        char* next_space = strchr(token, ' ');
+        if (next_space) *next_space = '\0';
+
+        char* eq = strchr(token, '=');
+        if (eq) {
+            *eq = '\0';
+            strncpy(boot_params[boot_param_count].key, token, sizeof(boot_params[0].key) - 1);
+            strncpy(boot_params[boot_param_count].value, eq + 1, sizeof(boot_params[0].value) - 1);
+        } else {
+            strncpy(boot_params[boot_param_count].key, token, sizeof(boot_params[0].key) - 1);
+            boot_params[boot_param_count].value[0] = '\0';
+        }
+        boot_param_count++;
+
+        if (next_space) token = next_space + 1;
+        else break;
+    }
+}
+
+const char* init_get_param(const char* key) {
+    if (!key) return NULL;
+    for (size_t i = 0; i < boot_param_count; i++) {
+        if (strcmp(boot_params[i].key, key) == 0) {
+            return boot_params[i].value;
+        }
+    }
+    return NULL;
+}
+
+bool init_has_param(const char* key) {
+    if (!key) return false;
+    for (size_t i = 0; i < boot_param_count; i++) {
+        if (strcmp(boot_params[i].key, key) == 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+runlevel_t init_get_runlevel(void) {
+    return current_runlevel;
+}
+
+void init_set_runlevel(runlevel_t rl) {
+    current_runlevel = rl;
+}
+
+const char* kernel_get_version(void) {
+    return SUBOS_VERSION_STRING;
+}
+
+const char* kernel_get_build_banner(void) {
+    return "SUB-OS Kernel " SUBOS_VERSION_STRING " (" SUBOS_VERSION_CODENAME ") [" SUBOS_COMPILER "]";
+}
+
+void init_early(const char* boot_args) {
+    init_parse_cmdline(boot_args);
+    printk(KERN_INFO "INIT: Boot arguments parsed: [%s] (%llu params)\n",
+           raw_cmdline, (uint64_t)boot_param_count);
+}