From e9db8f8f67e57f6edd5440ad8dbdf7dac3d05edd Mon Sep 17 00:00:00 2001
From: notsomeidiot123 <kiminosei321@gmail.com>
Date: Wed, 27 Aug 2025 16:38:20 -0400
Subject: [PATCH] Update kernel module interface

---
 src/kernel/shared/kstdlib.c |  8 +++++
 src/kernel/shared/kstdlib.h |  1 +
 src/kernel/system/modules.c | 63 ++++++++++++++++++++++++++++++++++---
 src/kernel/system/modules.h |  5 ++-
 4 files changed, 72 insertions(+), 5 deletions(-)

diff --git a/src/kernel/shared/kstdlib.c b/src/kernel/shared/kstdlib.c
index 260d25d..d9e0cc4 100644
--- a/src/kernel/shared/kstdlib.c
+++ b/src/kernel/shared/kstdlib.c
@@ -10,6 +10,14 @@ char* log_info_types[] = {
     "| ERROR"
 };
 
+void vmlog(char *module, char *str, uint32_t type, va_list vars){
+    if(!type || type > 4){
+        return;
+    }
+    printf("[ %s %s ]", module, log_info_types[type]);
+    vprintf(str, vars);
+}
+
 void mlog(char *module, char *str, uint32_t type, ...){
     va_list vars;
     va_start(vars, type);
diff --git a/src/kernel/shared/kstdlib.h b/src/kernel/shared/kstdlib.h
index 76947df..aaaafcd 100644
--- a/src/kernel/shared/kstdlib.h
+++ b/src/kernel/shared/kstdlib.h
@@ -42,6 +42,7 @@ typedef struct kernel_info{
 }__attribute__((packed)) kernel_info_t;
 
 void mlog(char *module, char *str, uint32_t type, ...);
+void vmlog(char *module, char *str, uint32_t type, va_list vars);
 
 
 #define MODULE_TYPE_DISK 1
diff --git a/src/kernel/system/modules.c b/src/kernel/system/modules.c
index 7aede02..3890d49 100644
--- a/src/kernel/system/modules.c
+++ b/src/kernel/system/modules.c
@@ -4,14 +4,69 @@
 #include "../shared/memory.h"
 #include <stdarg.h>
 
-
 #define MODULE_NAME "MLOADER"
 
 vector_t *modules;
 vector_t *module_deps;
 
 uint32_t module_api(uint32_t func, ...){
-    
+    va_list vars;
+    va_start(vars, func);
+    uint32_t return_value = 0;
+    switch(func){
+        case MODULE_API_REGISTER:
+            //do something
+            return_value = -1;
+            break;
+        case MODULE_API_ADDFUNC:
+            //do something
+            return_value = -1;
+            break;
+        case MODULE_API_DELFUNC:
+            //do something
+            return_value = -1;
+            break;
+        case MODULE_API_ADDINT:
+            return_value = -1;
+            //do something
+            break;
+        case MODULE_API_DELINT:
+            //do something
+            return_value = -1;
+            break;
+        case MODULE_API_PRINT:
+            // vmlog(MODULE_NAME, "Testing modules calling kernel functions\n", MLOG_PRINT, vars);
+            char *name = va_arg(vars, char *);
+            char *string = va_arg(vars, char *);
+            vmlog(name, string, MLOG_PRINT, vars);
+            break;
+        case MODULE_API_READ:
+            return_value = -1;
+            break;
+        case MODULE_API_WRITE:
+            return_value = -1;
+            break;
+        case MODULE_API_CREAT:
+            return_value = -1;
+            break;
+        case MODULE_API_DELET:
+            return_value = -1;
+            break;
+        case MODULE_API_MAP:
+            return_value = -1;
+            break;
+        case MODULE_API_UNMAP:
+            return_value = -1;
+            break;
+        case MODULE_API_MALLOC: 
+            return_value = -1;
+            break;
+        case MODULE_API_FREE:
+            return_value = -1;
+            break;
+    }
+    va_end(vars);
+    return return_value;
 }
 
 void init_modules(kernel_info_t *kernel_info){
@@ -23,11 +78,11 @@ void init_modules(kernel_info_t *kernel_info){
         if(!module->ptr){
             continue;
         }
-        void (*entry)(void* api) = load_elf(module->ptr, PT_SYS);
+        void (*entry)(void* api, uint32_t version) = load_elf(module->ptr, PT_SYS);
         mlog(MODULE_NAME, "Loaded module with ID %x\n", MLOG_PRINT, module->id);
         // module->type |= 0x8000;//set present flag in type
         module->flags |= MODULE_PRESENT;
         module = module->link;
-        (*entry)(0);
+        (*entry)(module_api, 0);
     }
 }
\ No newline at end of file
diff --git a/src/kernel/system/modules.h b/src/kernel/system/modules.h
index c0cefbc..77aec0d 100644
--- a/src/kernel/system/modules.h
+++ b/src/kernel/system/modules.h
@@ -19,7 +19,10 @@
 #define MODULE_API_WRITE 7 //write to virtual file
 #define MODULE_API_CREAT 8 //create a virtual file and assigns it to the the proper module (requires having a read and write function passed)
 #define MODULE_API_DELET 9
-
+#define MODULE_API_MAP 10
+#define MODULE_API_UNMAP 11
+#define MODULE_API_MALLOC 12
+#define MODULE_API_FREE 13
 
 typedef struct module{
     void *init_entry;