patch in the fb stuff

kernel/src/holeybytes/kernel_services/mem_serve.rs

@@ -54,10 +54,15 @@ pub fn memory_msg_handler(
                 val.push(0);
             }
             vm.registers[1] = hbvm::value::Value(val.as_ptr() as u64);
+            log::debug!("Kernel ptr: {:x}", val.as_ptr() as u64);
         }
         1 => {
             let page_count = msg_vec[0];
             msg_vec.remove(0);
+
+            let mptr_raw: [u8; 8] = msg_vec[0..8].try_into().unwrap();
+            let mptr: u64 = u64::from_le_bytes(mptr_raw);
+            log::debug!("Deallocating {} pages @ {:x}", page_count, mptr);
         }
         2 => {
             use MemoryQuotaType::*;

sysdata/programs/fb_driver/src/main.hb

@@ -1,21 +1,15 @@
-buffer := @as(^u32, @bitcast(18446603339442422060));
-
-send_msg := fn(): int {
-    msg := 10;
-    @eca(i32, 3, 1, 2, 1);
-    return 0;
-}
-
-modify := fn(a: ^int): void {
-	*a = 4294967295;
-	return;
-}
 
 main := fn(): int {
-    @eca(i32, 1, 1, 1);
+    frame_buffer := @as(^u32, @bitcast(18446603339442421760));
+    color := 0;
     loop {
-        @eca(i32, 1, 1, 1);
-        modify(&buffer);
+        len := 786432*4;
+        loop if len == 0 break else {
+            fb := frame_buffer + @as(^u32, @bitcast(len));
+            *fb = color;
+            len -= 1;
+            color += 100;
+        }
     }
     return 0;
 }

sysdata/programs/tests/src/main.hb

@@ -22,21 +22,28 @@ trace:= fn(message: ^u8):void return log(message, 4);
 
 
 request_mem_page := fn(page_count: u8): ^u8 {
-    msg := "\{01}\{01}00000\0";
+    msg := "\{00}\{01}xxxxxxxx\0";
     msg_mem_page_count := msg + 1;
     *msg_mem_page_count = page_count;
-    return @eca(^u8, 3, 2, msg, 8);
+    return @eca(^u8, 3, 2, msg, 12);
 }
 
-alloc := fn(): void {
-    error("Did not allocate.\0");
+release_mem_page := fn(ptr: ^u8, page_count: u8): void {
+    msg := "\{01}\{00}xxxxxxxx\0";
+    
+    msg_mem_page_count := msg + 1;
+    *msg_mem_page_count = page_count;
+
+    msg_mem_ptr := @as(^^u8, @bitcast(msg+2));
+    *msg_mem_ptr = ptr;
+    
+    a := @eca(void, 3, 2, msg, 12);
     return;
 }
 
 main := fn(): int {
     buffer := request_mem_page(3);
-
-    alloc();
+    release_mem_page(buffer, 3);
 
     return 0;
 }

sysdata/system_config.toml

@@ -2,7 +2,7 @@
 [boot.limine]
 default_entry = 1
 timeout = 0
-verbose = true
+verbose = false
 interface_resolution = "1024x768x24"
 # Terminal related settings
 term_wallpaper = "boot:///background.bmp"
@@ -24,5 +24,5 @@ path = "boot:///tests.hbf"
 # [boot.limine.ableos.modules.diskio_driver]
 # path = "boot:///diskio_driver.hbf"
 
-# [boot.limine.ableos.modules.fb_driver]
-# path = "boot:///fb_driver.hbf"
+[boot.limine.ableos.modules.fb_driver]
+path = "boot:///fb_driver.hbf"