From 1adc381399ae9f288738c4889a0088874b7123d2 Mon Sep 17 00:00:00 2001
From: Able <abl3theabove@gmail.com>
Date: Mon, 15 Jul 2024 16:56:46 -0500
Subject: [PATCH] Hack in an inb/outb api

---
 kernel/src/holeybytes/ecah.rs      | 31 ++++++++++++++++++++++++++++++
 sysdata/programs/tests/src/main.hb |  8 ++++++++
 2 files changed, 39 insertions(+)

diff --git a/kernel/src/holeybytes/ecah.rs b/kernel/src/holeybytes/ecah.rs
index c42423d..fbf0f10 100644
--- a/kernel/src/holeybytes/ecah.rs
+++ b/kernel/src/holeybytes/ecah.rs
@@ -88,6 +88,37 @@ pub fn handler(vm: &mut Vm) {
                     }
                     //
                 }
+                3 => {
+                    unsafe fn x86_in(address: u16) -> u32 {
+                        x86_64::instructions::port::Port::new(address).read()
+                    }
+                    unsafe fn x86_out(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 {
+                        0 => {
+                            let addr = msg_vec[0];
+                            msg_vec.remove(0);
+                            let value = unsafe { x86_in(addr as u16) };
+
+                            info!("Read the value {} from address {}", value, addr);
+                            vm.registers[1] = hbvm::value::Value(value as u64);
+                        }
+                        1 => {
+                            let addr = msg_vec[0];
+                            msg_vec.remove(0);
+                            let value = msg_vec[0];
+                            msg_vec.remove(0);
+                            info!("Setting the address {} to {}", addr, value);
+                            unsafe { x86_out(addr as u16, value as u32) };
+                        }
+                        _ => {}
+                    }
+                }
                 buffer_id => {
                     let mut buffs = IPC_BUFFERS.lock();
 
diff --git a/sysdata/programs/tests/src/main.hb b/sysdata/programs/tests/src/main.hb
index 277e4b8..942f927 100644
--- a/sysdata/programs/tests/src/main.hb
+++ b/sysdata/programs/tests/src/main.hb
@@ -16,5 +16,13 @@ main := fn(): int {
 
     memory.release_page(memory_pages, 3);
 
+
+
+    // todo: abstract this out
+    port_str := "\0\{70}\0";
+    a := @eca(u8, 3, 3, port_str, 2);
+
+
+
     return 0;
 }
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