Stage 11

clks/kernel/exec.c

@@ -0,0 +1,66 @@
+#include <clks/elf64.h>
+#include <clks/exec.h>
+#include <clks/fs.h>
+#include <clks/log.h>
+#include <clks/types.h>
+
+static u64 clks_exec_requests = 0ULL;
+static u64 clks_exec_success = 0ULL;
+
+void clks_exec_init(void) {
+    clks_exec_requests = 0ULL;
+    clks_exec_success = 0ULL;
+    clks_log(CLKS_LOG_INFO, "EXEC", "PATH EXEC FRAMEWORK ONLINE");
+}
+
+clks_bool clks_exec_run_path(const char *path, u64 *out_status) {
+    const void *image;
+    u64 image_size = 0ULL;
+    struct clks_elf64_info info;
+
+    clks_exec_requests++;
+
+    if (out_status != CLKS_NULL) {
+        *out_status = (u64)-1;
+    }
+
+    if (path == CLKS_NULL || path[0] != '/') {
+        clks_log(CLKS_LOG_WARN, "EXEC", "INVALID EXEC PATH");
+        return CLKS_FALSE;
+    }
+
+    image = clks_fs_read_all(path, &image_size);
+
+    if (image == CLKS_NULL || image_size == 0ULL) {
+        clks_log(CLKS_LOG_WARN, "EXEC", "EXEC FILE MISSING");
+        clks_log(CLKS_LOG_WARN, "EXEC", path);
+        return CLKS_FALSE;
+    }
+
+    if (clks_elf64_inspect(image, image_size, &info) == CLKS_FALSE) {
+        clks_log(CLKS_LOG_WARN, "EXEC", "EXEC ELF INVALID");
+        clks_log(CLKS_LOG_WARN, "EXEC", path);
+        return CLKS_FALSE;
+    }
+
+    clks_exec_success++;
+
+    if (out_status != CLKS_NULL) {
+        *out_status = 0ULL;
+    }
+
+    clks_log(CLKS_LOG_INFO, "EXEC", "EXEC REQUEST ACCEPTED");
+    clks_log(CLKS_LOG_INFO, "EXEC", path);
+    clks_log_hex(CLKS_LOG_INFO, "EXEC", "ENTRY", info.entry);
+    clks_log_hex(CLKS_LOG_INFO, "EXEC", "PHNUM", (u64)info.phnum);
+
+    return CLKS_TRUE;
+}
+
+u64 clks_exec_request_count(void) {
+    return clks_exec_requests;
+}
+
+u64 clks_exec_success_count(void) {
+    return clks_exec_success;
+}