Initial commit

autodebug.sh

@@ -9,7 +9,7 @@ shift 2
 
 qemu-system-x86_64 "$@" &
 
-wait 1
+sleep 1
 
 "$termname" -e gdb -ex 'target remote localhost:1234' -ex 'break _start' -ex 'continue' build/SFB25.elf
 

slaballoc.c

@@ -0,0 +1,64 @@
+#include <stddef.h>
+#include <stdint.h>
+#include "slaballoc.h"
+
+char memory[4096 * 10];
+
+int cnt = 0;
+
+struct ma_kcache *head = NULL; // create standard sizes
+
+
+uint64_t *alloc_contigious_pages(int num){
+    uint64_t *ret = (uint64_t*)(memory + cnt*4096);
+    cnt+=num;
+    return ret;
+}
+
+
+struct ma_slab *_ma_alloc_initial_slab(struct ma_kcache *kcache){
+    uint64_t *p = alloc_contigious_pages(1);
+
+    int bufnum = (4096 - sizeof(struct ma_slab)) / kcache->objsize; // Calculate the number of buffers in this slab
+
+    for(int i = 0; i < bufnum; i++){
+        (uint64_t*)((uint64_t)p + i * kcache->objsize)
+    }
+
+}
+
+struct ma_kcache *ma_cache_create(char *name, size_t size, uint32_t flags, void (*constructor)(void *, size_t), void (*destructor)(void *, size_t)){
+
+    struct ma_kcache *kcache = (struct ma_kcache*)alloc_contigious_pages(1);
+
+    head->next = kcache;
+    kcache->prev = head;
+    head = kcache;
+
+    int bufnum = (4096 - sizeof(struct ma_slab)) / size; // Calculate the number of buffers in this slab
+
+    struct ma_slab *slab_structure = (struct ma_slab*)((uint64_t)kcache - sizeof(struct ma_slab));
+
+    kcache->slabs_free = slab_structure;
+
+    return kcache;
+
+
+}
+
+void *ma_cache_alloc(struct ma_kcache *cache, uint64_t flags){
+
+    if(cache->slabs_free == NULL){
+        if(cache->slabs_partial == NULL){
+
+        }
+    }
+
+    common:
+    
+
+}
+
+int main(){
+
+}

slaballoc.h

@@ -0,0 +1,38 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#define KCACHE_NAME_LEN 5
+
+
+struct ma_bufctrl {
+    struct ma_bufctrl *next;
+    size_t *startaddr;
+};
+
+
+struct ma_slab {
+    struct ma_slab *next;
+    struct ma_slab *prev;
+
+    struct ma_bufctrl *buf_list;
+
+    uint32_t refcount;
+
+};
+
+struct ma_kcache {
+    struct ma_kcache *next;    
+    struct ma_kcache *prev;
+
+    uint32_t objsize;
+    uint32_t flags;
+    uint32_t num;
+
+    struct ma_slab *slabs_free;
+    struct ma_slab *slabs_partial;
+    struct ma_slab *slabs_used;
+
+    struct ma_bufctrl *bufctrl_arr;
+
+    char name[KCACHE_NAME_LEN];
+};