PCI+SVGA skeleton

sysdata/libraries/pci/README.md

@@ -0,0 +1 @@
+# pci

sysdata/libraries/pci/src/lib.hb

@@ -0,0 +1,25 @@
+PCIAddress := struct {
+	bus: u8,
+	device: u8,
+	function: u8,
+}
+
+find_device := fn(vendor_id: int, device_id: int, pci_address: PCIAddress): int {
+	return 1
+}
+
+scan_bus := fn(): void {
+}
+
+config_read32 := fn(bus: u32, device: u32, func: u32, offset: u32): u32 {
+	// construct address param
+	address := bus << 16 | device << 11 | func << 8 | offset & 0xFC | 0x80000000
+
+	// write address
+	//Port::new(0xCF8).write(address);
+
+	// read data
+	//Port::new(0xCFC).read()
+
+	return
+}

sysdata/programs/horizon_testing_program/src/main.hb

@@ -25,7 +25,6 @@ main := fn(): int {
 
 	instance := ignim.instance.void_instance()
 
-
 	// TODO: recursively follow this https://vulkan-tutorial.com/Drawing_a_triangle/Setup/Instance
 	ret := ignim.instance.create_instance(&create_info, 0, &instance)
 	if ret == errors.IncompatibleDriver {

sysdata/programs/svga_driver/README.md

@@ -0,0 +1 @@
+# svga_driver

sysdata/programs/svga_driver/meta.toml

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

sysdata/programs/svga_driver/src/device.hb

@@ -0,0 +1,41 @@
+pci := @use("../../../libraries/pci/src/lib.hb");
+.{PCIAddress} := pci
+
+SVGADevice := struct {
+	pciAddr: PCIAddress,
+	ioBase: u32,
+	fifoMem: ^u32,
+	fbMem: ^u8,
+	fifoSize: int,
+	fbSize: int,
+	vramSize: int,
+	deviceVersionId: int,
+	capabilities: int,
+	width: int,
+	height: int,
+	bpp: int,
+	pitch: int,
+}
+
+svga_device := fn(): SVGADevice {
+	pci_addr := PCIAddress.(0, 0, 0)
+
+	return SVGADevice.(pci_addr, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
+}
+
+/*
+   struct {
+      uint32  reservedSize;
+      Bool    usingBounceBuffer;
+      uint8   bounceBuffer[1024 * 1024];
+      uint32  nextFence;
+   } fifo;
+
+   volatile struct {
+      uint32        pending;
+      uint32        switchContext;
+      IntrContext   oldContext;
+      IntrContext   newContext;
+      uint32        count;
+   } irq;
+*/

sysdata/programs/svga_driver/src/main.hb

@@ -0,0 +1,28 @@
+device := @use("rel:device.hb")
+pci := @use("../../../libraries/pci/src/lib.hb")
+
+stn := @use("../../../libraries/stn/src/lib.hb");
+.{string, memory, buffer, log} := stn
+
+PCI_VENDOR_ID_VMWARE := 0x15AD
+PCI_DEVICE_ID_VMWARE_SVGA2 := 0x405
+
+init := fn(): void {
+	svga_struct := device.svga_device()
+
+	if pci.find_device(PCI_VENDOR_ID_VMWARE, PCI_DEVICE_ID_VMWARE_SVGA2, svga_struct.pciAddr) {
+		log.error("No VMware SVGA device found.\0")
+	}
+	return
+}
+
+SVGA_Disable := fn(): void {
+	//SVGA_WriteReg(SVGA_REG_ENABLE, 0);
+	return
+}
+
+main := fn(): int {
+	init()
+
+	return 0
+}

sysdata/system_config.toml

@@ -26,20 +26,24 @@ resolution = "1024x768x24"
 # [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"
 
 
 # [boot.limine.ableos.modules.serial_driver_test]
 # path = "boot:///serial_driver_test.hbf"
 
 
-[boot.limine.ableos.modules.horizon]
-path = "boot:///horizon.hbf"
+# [boot.limine.ableos.modules.horizon]
+# path = "boot:///horizon.hbf"
 
-[boot.limine.ableos.modules.horizon_testing_program]
-path = "boot:///horizon_testing_program.hbf"
+# [boot.limine.ableos.modules.horizon_testing_program]
+# path = "boot:///horizon_testing_program.hbf"
 
 
 # [boot.limine.ableos.modules.dt_buffer_test]
 # path = "boot:///dt_buffer_test.hbf"
+
+
+[boot.limine.ableos.modules.svga_driver]
+path = "boot:///svga_driver.hbf"