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experimental commit wtf is going on

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koniifer 2024-08-30 22:39:28 +01:00
parent 12ee3a9b87
commit f32d66e50e
10 changed files with 215 additions and 35 deletions
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84
kernel/src/holeybytes/ecah.rs
View file

@ -92,41 +92,87 @@ pub fn handler(vm: &mut Vm) {
unsafe fn x86_in(address: u16) -> u8 {
x86_64::instructions::port::Port::new(address).read()
}
unsafe fn x86_in_16(address: u16) -> u16 {
x86_64::instructions::port::Port::new(address).read()
}
unsafe fn x86_in_32(address: u16) -> u32 {
x86_64::instructions::port::Port::new(address).read()
}
unsafe fn x86_out(address: u16, value: u8) {
x86_64::instructions::port::Port::new(address).write(value);
}
unsafe fn x86_out_16(address: u16, value: u16) {
x86_64::instructions::port::Port::new(address).write(value);
}
unsafe fn x86_out_32(address: u16, value: u32) {
x86_64::instructions::port::Port::new(address).write(value);
}
let mut msg_vec = block_read(mem_addr, length);
let msg_type = msg_vec[0];
msg_vec.remove(0);
match msg_type {
// XY\0\0V
// X = 0: Read, 1: Write
// Y = 0: 8bit, 1: 16bit, 2: 32bit
// \0\0 = Port Low, Port High
// V = Value
0 => {
let mut addr = msg_vec[0] as u16;
msg_vec.remove(0);
// info!("inb");
let size = msg_vec[0];
if size <= 2 {
msg_vec.remove(0);
let addr2 = msg_vec[0] as u16;
msg_vec.remove(0);
let mut addr = msg_vec[0] as u16;
msg_vec.remove(0);
addr = ((addr) << 8) | addr2;
let value = unsafe { x86_in(addr) };
trace!("Read the value {} from address {}", value, addr);
vm.registers[1] = hbvm::value::Value(value as u64);
let addr2 = msg_vec[0] as u16;
msg_vec.remove(0);
addr = ((addr) << 8) | addr2;
let value = unsafe {
match size {
0 => x86_in(addr) as u32,
1 => x86_in_16(addr) as u32,
2 => x86_in_32(addr),
_ => panic!("how?"),
}
};
trace!("Read the value {} from address {}", value, addr);
vm.registers[1] = hbvm::value::Value(value as u64);
} else {
error!("Tried to read more than 32 bits.")
}
}
1 => {
let mut addr = msg_vec[0] as u16;
msg_vec.remove(0);
// info!("outb");
let size = msg_vec[0];
if size <= 2 {
msg_vec.remove(0);
let addr2 = msg_vec[0] as u16;
msg_vec.remove(0);
let mut addr = msg_vec[0] as u16;
msg_vec.remove(0);
addr = ((addr) << 8) | addr2;
let addr2 = msg_vec[0] as u16;
msg_vec.remove(0);
let value = msg_vec[0];
msg_vec.remove(0);
trace!("Setting the address {} to {}", addr, value);
unsafe { x86_out(addr, value) };
addr = ((addr) << 8) | addr2;
let mut value: u32 = 0;
for x in 0..=size {
value |= ((unsafe { msg_vec[0] as u32 }) << size - x) & 255;
msg_vec.remove(0);
}
trace!("Setting the address {} to {}", addr, value);
unsafe {
match size {
0 => x86_out(addr, value as u8),
1 => x86_out_16(addr, value as u16),
2 => x86_out_32(addr, value),
_ => panic!("how?"),
}
};
} else {
error!("Tried to write more than 32 bits.")
}
}
_ => {}
}

1
repbuild/src/main.rs
View file

@ -338,6 +338,7 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
"-smp", "cores=4",
"-enable-kvm",
"-cpu", "host",
"-vga", "vmware",
"-device", "isa-debug-exit,iobase=0xf4,iosize=0x04"
]);
}

2
sysdata/libraries/pci/README.md Normal file
View file

@ -0,0 +1,2 @@
please, someone smarter than me, write this for me
- koniifer

71
sysdata/libraries/pci/src/lib.hb Normal file
View file

@ -0,0 +1,71 @@
.{memory} := @use("../../../libraries/stn/src/lib.hb")
// I DONT UNDERSTAND PCI, current code translated from osdev wiki... - koniifer
// All this is basically just pseudocode...
get_vendor_id := fn(bus: u8, device: u8, function: u8): u16 {
return 0
}
pci_config_read_word := fn(bus: u8, slot: u8, func: u8, offset: u8): u16 {
lbus := @as(u32, bus)
lslot := @as(u32, slot)
lfunc := @as(u32, func)
tmp := 0
address := @as(u32, lbus << 16 | lslot << 11 | lfunc << 8 | offset & 2522 | @as(u32, 1 << 31))
memory.outl(address, address + 4, 3320)
tmp = @as(u16, memory.inl(3324, 3328) >> (offset & 2) * 8 & 65535)
return tmp
}
pci_check_vendor := fn(bus: u8, slot: u8): u16 {
vendor := pci_config_read_word(bus, slot, 0, 0)
if vendor != 65535 {
// device := pci_config_read_word(bus, slot, 0, 2)
}
return vendor
}
get_header_type := fn(bus: u8, device: u8, function: u8): u16 {
// idfk
slot := 0
return pci_config_read_word(bus, slot, 0, 14)
}
check_device := fn(bus: u8, device: u8): void {
function := @as(u8, 0)
vendor_id := get_vendor_id(bus, device, function)
if vendor_id == 65535 {
return
}
check_function(bus, device, function)
header_type := get_header_type(bus, device, function)
if (header_type & 128) != 0 {
function = 1
loop if function >= 8 break else {
if get_vendor_id(bus, device, function) != 65535 {
check_function(bus, device, function)
}
function += 1
}
}
return
}
check_function := fn(bus: u8, device: u8, function: u8): void {
return
}
check_all_buses := fn(): void {
bus := @as(u16, 0)
device := @as(u8, 0)
loop if bus >= 256 break else {
loop if device >= 32 break else {
check_device(bus, device)
device += 1
}
bus += 1
}
return
}

44
sysdata/libraries/stn/src/memory.hb
View file

@ -17,19 +17,45 @@ release_page := fn(ptr: ^u8, page_count: u8): void {
return @eca(void, 3, 2, msg, 12)
}
outb := fn(addr_high: u8, addr_low: u8, value: u8): void {
msg := "\0\0\0\0";
outb := fn(addr_low: u8, addr_high: u8, value: u8): void {
msg := "\0\0\0\0\0";
*msg = 1;
*(msg + 1) = addr_high;
*(msg + 1) = 0;
*(msg + 2) = addr_low;
*(msg + 3) = value
@eca(void, 3, 3, msg, 4)
*(msg + 3) = addr_high;
*(msg + 4) = value
@eca(void, 3, 3, msg, 5)
return
}
inb := fn(addr_high: u8, addr_low: u8): u8 {
inb := fn(addr_low: u8, addr_high: u8): u8 {
msg := "\0\0\0\0";
*(msg + 1) = addr_high;
*(msg + 2) = addr_low
return @eca(u8, 3, 3, msg, 3)
*msg = 0;
*(msg + 1) = 0;
*(msg + 2) = addr_low;
*(msg + 3) = addr_high
return @eca(u8, 3, 3, msg, 4)
}
outl := fn(addr_low: u8, addr_high: u8, value: u32): void {
msg := "\0\0\0\0\0\0\0\0";
*msg = 1;
*(msg + 1) = 2;
*(msg + 2) = addr_low;
*(msg + 3) = addr_high;
*(msg + 4) = value >> 24 & 255;
*(msg + 5) = value >> 16 & 255;
*(msg + 6) = value >> 8 & 255;
*(msg + 7) = value & 255
@eca(void, 3, 3, msg, 8)
return
}
inl := fn(addr_low: u8, addr_high: u8): u32 {
msg := "\0\0\0\0";
*msg = 0;
*(msg + 1) = 2;
*(msg + 2) = addr_low;
*(msg + 3) = addr_high
return @eca(u32, 3, 3, msg, 4)
}

2
sysdata/programs/fb_driver/src/color.hb
View file

@ -19,7 +19,7 @@ LIGHTBLUE := ColorBGRA.{b: 255, g: 0, r: 0, a: 255}
LIGHTMAGENTA := ColorBGRA.{b: 255, g: 0, r: 255, a: 255}
LIGHTCYAN := ColorBGRA.{b: 255, g: 255, r: 0, a: 255}
// i have no clue if this works. please don't me ask how it works. -aurlex
// i have no clue if this works. please don't me ask how it works. -koniifer
blend := fn(fg: ColorBGRA, bg: ColorBGRA): ColorBGRA {
s := fg + bg
m := s - ((fg ^ bg) & 16843008) & 16843008

2
sysdata/programs/ps2_driver/src/main.hb
View file

@ -23,7 +23,7 @@ main := fn(): int {
}
prev_input = input
keycode_str := string.display_int(input, ptr)
log.info(string.display_int(buf))
log.info(string.display_int(input, ptr))
buffer.send_message(keycode_str, buf)
}
return 0

11
sysdata/programs/svga_driver/meta.toml Normal file
View file

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

20
sysdata/programs/svga_driver/src/main.hb Normal file
View file

@ -0,0 +1,20 @@
.{pci_config_read_word} := @use("../../../libraries/pci/src/lib.hb");
.{log, string, memory} := @use("../../../libraries/stn/src/lib.hb")
// pci device = 2
// pci id = 1029
// pci vendor = 0x15AD (or 5549)
// pci class = 0x0300 (or 768)
main := fn(): void {
// check_all_buses()
bus := 0
slot := 0
a := memory.request_page(1)
loop if bus >= 256 break else {
b := pci_config_read_word(bus, 0, 0, 2)
log.info(string.display_int(b, a))
bus += 1
}
return
}

13
sysdata/system_config.toml
View file

@ -29,11 +29,14 @@ path = "boot:///ps2_driver.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.serial_driver_test]
path = "boot:///serial_driver_test.hbf"
[boot.limine.ableos.modules.fb_driver_stresstest]
path = "boot:///fb_driver_stresstest.hbf"
[boot.limine.ableos.modules.svga_driver]
path = "boot:///svga_driver.hbf"
# [boot.limine.ableos.modules.fb_driver]
# path = "boot:///fb_driver.hbf"
# [boot.limine.ableos.modules.fb_driver_stresstest]
# path = "boot:///fb_driver_stresstest.hbf"