changes

Cargo.lock

@@ -213,12 +213,12 @@ dependencies = [
 [[package]]
 name = "hbbytecode"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#784d552c1dee2a3cfde4b83e01523d91988bb554"
 
 [[package]]
 name = "hblang"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#784d552c1dee2a3cfde4b83e01523d91988bb554"
 dependencies = [
  "hashbrown",
  "hbbytecode",
@@ -229,7 +229,7 @@ dependencies = [
 [[package]]
 name = "hbvm"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#784d552c1dee2a3cfde4b83e01523d91988bb554"
 dependencies = [
  "hbbytecode",
 ]

repbuild/src/main.rs

@@ -485,7 +485,7 @@ fn run(release: bool, target: Target, do_accel: bool) -> Result<(), Error> {
             #[rustfmt::skip]
             com.args([
                 "-M", "virt",
-                "-cpu", "neoverse-n2",
+                "-cpu", "max",
                 "-device", "ramfb",
                 "-device", "qemu-xhci",
                 "-device", "usb-kbd",

sysdata/libraries/stn/src/alloc/alloc_return.hb

@@ -0,0 +1,4 @@
+AllocReturn := struct {
+	byte_count: uint,
+	ptr: ?^u8,
+}

sysdata/libraries/stn/src/alloc/block_alloc.hb

@@ -0,0 +1,75 @@
+alloc_return := @use("alloc_return.hb")
+
+/* the block size is 64 bytes, 64 blocks of 64 bytes.
+   this will very quickly lead to exhaustion of free blocks.
+*/
+BlockAlloc := struct {
+	state: uint,
+	ptr: ?^u8,
+
+	$init := fn(): Self {
+		return .(0, null)
+	}
+}
+
+// $alloc := fn(self: Self, alloc_type: Type, count: uint): alloc_return.AllocReturn {
+//     offset := 0
+//     a := 0
+//     loop {
+//         a = self.state << offset;
+//         // check if the `offset` bit is 1, if it is move to the next offset
+//         if a == 1 {
+//             offset += 1
+//         } else {
+//             // self it to 1 and return the ptr to the allocation
+//             self.state |= a
+//             return (ptr + (offset * 64))
+//         }
+//         // there are only 64 blocks
+//         if offset >= 64 {
+//             break;
+//         }
+//     }
+//     return null
+// }
+
+
+
+// request a kernel page
+// ptr := memory.alloc(1)
+
+
+
+// $dealloc := fn(&self, ptr: ^u8, alloc_type: Type, count: uint): void {
+//     size := size_of(alloc_type)*count
+//     // get the size alligned to the nearest block
+//     rounded_size := nearest_block_size_rounded_up(size)
+
+//     state_bit_start := {
+//         // Do math here to figure out what starting ptr corresponds to what bit
+//         3
+//     }
+
+//     offset := 0
+
+//     loop {
+//         if rounded_size > 0 {
+//             // set state_bit_start+offset to 0
+
+//             // at the end move to the next one
+//             offset += 1
+//         } else {
+//             break;
+//         }
+
+//         rounded_size -= 64
+//     }
+
+//     return void
+// }
+
+// $deinit := fn(&self): void {
+//     self.state := 0
+
+// }
+// }

sysdata/libraries/stn/src/alloc/fake_alloc.hb

@@ -0,0 +1,22 @@
+alloc_return := @use("alloc_return.hb")
+
+
+FakeAlloc := struct {
+    $init := fn():Self{
+        return .()
+    }
+
+    $alloc := fn(self: Self, alloc_type: type, count: uint): alloc_return.AllocReturn {
+        return .(0, null)
+    }
+
+    $dealloc := fn(self: Self, ptr: ^u8, alloc_type: Type, count: uint) : void{
+        return void
+    }
+    // Nothing to clean up here
+    $deinit := fn(self: Self): void {
+        return void
+    }
+}
+
+

sysdata/libraries/stn/src/alloc/lib.hb

@@ -0,0 +1,2 @@
+.{BlockAlloc} := @use("block_alloc.hb");
+.{FakeAlloc} := @use("fake_alloc.hb")

sysdata/libraries/stn/src/alloc/main.hb

@@ -0,0 +1,25 @@
+allocators := @use("alloc/alloc.hb")
+
+AStruct := struct {
+    a_field: u8,
+}
+
+main := fn():void{
+    alloc := allocators.FakeAlloc.init()
+    astruct := alloc.alloc(AStruct, 2)
+    if astruct.ptr != null{
+        panic("FakeAlloc actually allocated.")
+    }
+    alloc.dealloc(astruct_ptr, AStruct, 2)
+    alloc.deinit()
+
+    balloc := allocators.BlockAlloc.init()
+    bstruct_ptr := balloc.alloc(AStruct, 2)
+    if bstruct_ptr == null {
+        panic("BlockAlloc actually didn't allocate.")
+    }
+    balloc.dealloc(bstruct_ptr, AStruct, 2)
+    balloc.deinit()
+
+
+}

sysdata/libraries/stn/src/lib.hb

@@ -1,4 +1,5 @@
 acs := @use("acs.hb")
+allocators := @use("alloc/lib.hb")
 string := @use("string.hb")
 log := @use("log.hb")
 memory := @use("memory.hb")

sysdata/programs/alloc_test/README.md

@@ -0,0 +1 @@
+# alloc_test

sysdata/programs/alloc_test/meta.toml

@@ -0,0 +1,11 @@
+[package]
+name = "alloc_test"
+authors = [""]
+
+[dependants.libraries]
+
+[dependants.binaries]
+hblang.version = "1.0.0"
+
+[build]
+command = "hblang src/main.hb"

sysdata/programs/alloc_test/src/main.hb

@@ -0,0 +1,25 @@
+stn := @use("../../../libraries/stn/src/lib.hb");
+.{allocators, panic} := stn
+
+AStruct := struct {
+    a_field: u8,
+}
+
+main := fn(): void {
+	alloc := allocators.FakeAlloc.init()
+	astruct := alloc.alloc(AStruct, 2)
+	// if astruct.ptr != null{
+	    // panic.panic("FakeAlloc actually allocated.")
+	// }
+	// alloc.dealloc(&astruct.ptr, AStruct, 2)
+	alloc.deinit()
+
+	// balloc := allocators.BlockAlloc.init()
+	// bstruct_ptr := balloc.alloc(AStruct, 2)
+	// if bstruct_ptr == null {
+	//     panic("BlockAlloc actually didn't allocate.")
+	// }
+	// balloc.dealloc(bstruct_ptr, AStruct, 2)
+	// balloc.deinit()
+    return
+}

sysdata/programs/render_example/src/main.hb

@@ -1 +1 @@
-.{example: main} := @use("./examples/text.hb")
+.{example: main} := @use("./examples/orbit.hb")

sysdata/system_config.toml

@@ -28,20 +28,23 @@ resolution = "1024x768x24"
 # [boot.limine.ableos.modules.horizon]
 # path = "boot:///horizon.hbf"
 
-[boot.limine.ableos.modules.ps2_mouse_driver]
+# [boot.limine.ableos.modules.ps2_mouse_driver]
-path = "boot:///ps2_mouse_driver.hbf"
+# path = "boot:///ps2_mouse_driver.hbf"
 
 # [boot.limine.ableos.modules.ps2_keyboard_driver]
 # path = "boot:///ps2_keyboard_driver.hbf"
 
-[boot.limine.ableos.modules.sunset_client]
+# [boot.limine.ableos.modules.sunset_client]
-path = "boot:///sunset_client.hbf"
+# path = "boot:///sunset_client.hbf"
 
-[boot.limine.ableos.modules.sunset_client_2]
+# [boot.limine.ableos.modules.sunset_client_2]
-path = "boot:///sunset_client_2.hbf"
+# path = "boot:///sunset_client_2.hbf"
 
-[boot.limine.ableos.modules.sunset_server]
+# [boot.limine.ableos.modules.sunset_server]
-path = "boot:///sunset_server.hbf"
+# path = "boot:///sunset_server.hbf"
 
 # [boot.limine.ableos.modules.processes]
 # path = "boot:///processes.hbf"
+
+# [boot.limine.ableos.modules.alloc_test]
+# path = "boot:///alloc_test.hbf"